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Receive quotes from multiple installers and compare their pricing, services, and experience.
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The smarter way to find On-Demand Water Heater Installation contractors

Upgrading to a tankless water heater is a smart investment for your home or business. HVACCompaniesHub.com helps you find the right on-demand hot water solution by connecting you with qualified and licensed professionals in UK. We make the process easy and stress-free: We take the stress out of finding the right HVAC contractors. Here's how:

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Browse numerous on-demand water heater options from leading manufacturers to find the perfect match for your needs and budget.. Our network of installers can help you choose a system with the right features, efficiency, and capacity for your home or business.
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Tankless Water Heater Installation Glossary

Understanding key terms related to tankless water heaters can help you make informed decisions.

Tankless Water Heater

A tankless water heater, also known as an on-demand water heater, heats water instantly, providing hot water on demand. This eliminates standby heat loss, the energy wasted by keeping a tank of water hot, even when not in use. They are more energy-efficient than traditional tank water heaters, although their upfront cost can be higher.

Tank Water Heater

A traditional water heater stores hot water in a tank.. {These units are typically less expensive to purchase than tankless water heaters, but their operating costs are higher, because energy is wasted when heating water that isn't immediately used.

Condensing Tankless Water Heater

A type of tankless water heater that recovers heat from exhaust gases to preheat incoming cold water, making it highly energy-efficient.

Non-Condensing Tankless Water Heater

A type of tankless water heater which doesn't recover exhaust heat, thus making them slightly less energy-efficient than condensing units.

EF (Energy Factor)

The EF rating helps determine the overall efficiency of the system. Higher EF ratings indicate greater efficiency.

Uniform Energy Factor (UEF)

A measure of a tankless water heater's efficiency in converting energy to hot water. Similar to EF, a higher UEF rating means better efficiency.

Flow Rate

The maximum volume of water a system can heat GPM. It is an important factor to consider when sizing a tankless water heater for your household or business needs.

Activation Flow Rate

The minimum flow rate of water required to activate a tankless water heater. This is usually a small amount of water, triggered when you turn on a faucet.

Temperature Rise

The difference between the incoming cold water temperature and the desired hot water temperature. The temperature rise is an important consideration for sizing a tankless water heater.

Venting

Tankless water heaters require proper venting to exhaust combustion gases. The best approach depends on the heater type and the home layout. Consult with a professional regarding venting and system installation.

Gas Supply

Gas-fired tankless water heaters need access to gas lines. If you are converting from an electric water heater to gas, this may require additional plumbing work to run a gas line to the installation location.

Water Quality

Hard water can affect the performance and lifespan of a tankless water heater. Hard water can cause mineral buildup and scale formation in the heat exchanger, reducing efficiency and potentially causing premature failure. A water softener can help to reduce mineral buildup in the unit.

Recirculation System

A hot water recirculation system keeps hot water constantly circulating through a dedicated loop of plumbing, This provides instant hot water, reduces water waste, and improves convenience. It can be integrated with a tankless water heater for even greater efficiency.

Point-of-Use Water Heater

A small tankless water heater installed near a specific fixture, such as a sink or shower, to provide hot water on demand at that location. It's a localized solution for instant hot water.

Load Calculation

A professional assessment determines the hot water demand of your home or business. It ensures that your new tankless water heater can adequately supply hot water when needed.

Frequently Asked Questions about Tankless Water Heater Installation

Planning to upgrade your water heating system? Get answers to common questions about tankless water heater installation, costs, benefits, and finding qualified installers in UK.

What is a tankless water heater?

A tankless water heater, also known as an on-demand water heater, heats water only when you need it, providing instant hot water and increased energy efficiency. They heat water directly without a reservoir, saving space. Tankless systems offer significant advantages compared to tank-style units.

How much does a tankless water heater installation cost?

The cost of a tankless water heater installation varies depending on several factors, including: the size and type of unit, fuel type (gas or electric), and the complexity of the installation.. It's important to compare quotes before making a decision.

How long does it take to install a tankless water heater?

Installing a tankless water heater typically requires between a few hours and a full day. The actual installation time can vary, such as the complexity of the plumbing and electrical work. Your installer will give you a more accurate estimate after assessing your specific situation.

What are the benefits of a tankless water heater?

Tankless water heaters offer several advantages over traditional systems:
  • Endless Hot Water: Tankless units provide hot water on demand, offering convenience.
  • Energy Savings: Tankless water heaters are up to [percentage] more energy-efficient than storage tank models. This is because they only heat water when needed, reducing standby heat loss associated with traditional units.
  • Space Savings: Tankless systems are smaller and more compact than tank water heaters, freeing up valuable space in your home or business.
  • Longer Lifespan: Tankless water heaters typically last much longer than tank water heaters, often offering a greater return on investment.

Are tankless water heaters worth the cost?

While the upfront cost of a tankless water heater is higher than a traditional tank water heater, the long-term cost savings and benefits often make it a worthwhile investment. The return on investment will depend on your location, energy usage, and available incentives. Talk to an expert about potential long-term savings for your particular property.

What size tankless water heater do I need?

To get the right size, you'll need to consider: Consider the following factors when sizing a tankless water heater::
  • Climate: Colder climates require a larger temperature rise, which can affect the sizing of the unit.
  • Flow Rate: The amount of hot water you need simultaneously (gallons per minute or GPM). Consider the number of bathrooms, appliances (dishwasher, washing machine), and fixtures (showers, sinks) in your home or business.
  • Gas or Electric: Gas tankless water heaters generally have a higher flow rate than electric models.
  • Energy Efficiency: Higher-efficiency units may have a lower flow rate but save energy in the long run.
A professional HVAC technician can help you determine the right tankless water heater size for your needs.

What is the difference between a condensing and non-condensing tankless water heater?

The main difference between condensing and non-condensing tankless units is how they handle exhaust gases::
  • Condensing Tankless Water Heaters: These units capture exhaust heat and use it to preheat the incoming cold water, making them highly energy-efficient..
  • Non-Condensing Tankless Water Heaters: These units vent exhaust gases directly outdoors.. They are usually easier to install but less energy-efficient than condensing models.

What are the maintenance requirements for a tankless water heater?

While maintenance is less frequent than for standard water heaters, it is still important. Recommended maintenance tasks include::
  • Flushing the system annually: This process removes any mineral deposits and keeps the system working properly.
  • Checking the water filter (if applicable): Some tankless water heaters have a filter that needs to be cleaned or replaced periodically.
  • Professional inspection: Have a technician perform a checkup to ensure that all components are functioning correctly.
Proper maintenance can significantly extend the lifespan of your tankless system.

What are the disadvantages of a tankless water heater?

Here's a summary of potential drawbacks to consider:
  • Higher Upfront Cost: Tankless water heaters are typically more expensive to purchase and install than traditional tank water heaters. However, the energy savings and extended lifespan of a tankless unit can offset the higher initial cost.
  • More Complex Installation: Tankless units often require modifications to gas lines or electrical circuits and may need a dedicated gas line or a larger electrical circuit.. Always hire a qualified and licensed professional for installation to ensure safety and proper system operation.
  • Potential Cold Water Sandwich: With a tankless water heater, you might experience a brief period of cold water between bursts of hot water, especially if the unit is located far from the fixture. This can be addressed by installing a recirculation system.
  • Power Requirements: Electric tankless water heaters require a substantial amount of electricity, which may require an electrical service upgrade if the existing system isn't adequate.
Carefully consider the pros and cons of tankless water heaters and consult with a plumbing professional to determine if a tankless system is the best option for your needs and budget.

Can a tankless water heater save me money?

Yes, a tankless water heater can save you money by reducing wasted energy over time by reducing or eliminating standby heat loss. According to the Department of Energy, tankless water heaters are 24%–34% more energy efficient than conventional storage tank water heaters. . Your actual savings will depend on your hot water usage habits and local utility rates.

How do I choose the right tankless water heater?

Deciding on which system to install involves considering various factors, such as:
  • Fuel Type (gas or electric): Gas-fired units are generally more powerful and efficient but require proper venting and gas line connections. Electric units are more versatile for installation, but they draw more power and may have a lower flow rate.
  • Flow Rate (GPM): Choose a unit with a flow rate that can adequately provide warm water (the number of sinks, showers, etc. operating at the same time).
  • Energy Factor (EF) or Uniform Energy Factor (UEF): Look for a higher EF or UEF number to get the most cost-effective hot water.
  • Size and Capacity: The physical dimensions of the system need to work for your home, along with the system's hot water production.
  • Features: Consider features like temperature control, recirculation systems, or smart functionalities.
  • Budget: Tankless water heaters vary in price, so set a realistic budget before shopping.
Find qualified tankless water heater installers on HVACCompaniesHub.com.

What is a condensing tankless water heater?

A condensing tankless water heater is a more advanced type of tankless water heater. It re-uses waste heat to preheat the incoming cold water. This process significantly increases the unit's overall efficiency, reducing energy waste.. Condensing units are more efficient than non-condensing options but often require slightly more complex installation due to additional venting needs.

Do tankless water heaters require venting?

Yes, all tankless water heaters require venting Venting is crucial for safety. The type of venting required varies. Gas-fired systems need either direct venting (venting directly outdoors) or power venting (using a fan to assist venting). Electric tankless units may require simpler venting.. Discuss your venting options with your installer.

What is the difference between an electric and a gas tankless water heater?

Choosing between an electric or gas tankless water heater will depend on several factors, including:
  • Energy Efficiency: Gas units are generally more efficient. Electric tankless units can be very efficient in mild climates or for small point-of-use applications.
  • Fuel source and availability:
    • Electric models rely on electricity, while gas models use either natural gas or propane. Consider the availability and cost of fuel in your area.
  • Installation Requirements: Electric tankless units may require an electrical circuit or panel upgrade. Gas tankless units may involve more complex installation.
  • Flow Rate:
    • Gas tankless models offer higher flow rates. Electric tankless systems will have lower hot water output.
  • Upfront Costs: Electric units are generally cheaper to purchase and install. However, consider the long-term savings from higher efficiency with gas-fired units.
Consult with an installer to determine the best fit.

What is a point-of-use tankless water heater?

A point-of-use (POU) tankless water heater is a small, electric tankless unit installed near a specific fixture, such as a sink or shower, rather than centrally. . POU heaters eliminate long waits for hot water, making them convenient. Consider them as a convenient, supplemental solution.

What is a hot water recirculation system, and do I need one?

A hot water recirculation system keeps hot water circulating through your plumbing so you don't have to wait for hot water to reach the faucet.. It works by circulating hot water from the water heater through a dedicated loop of pipe back to the heater. When you turn on the hot water tap, the hot water is already there. It uses a pump to circulate water and can be controlled by a timer or a sensor.

Can a tankless water heater be installed outdoors?

Yes, some tankless water heaters are specifically designed for outdoor installation.. Outdoor installations save valuable indoor space. Check with the manufacturer's specifications to ensure your chosen unit is appropriate for outside installation..

How long does a tankless water heater last?

Tankless water heaters typically have a longer lifespan than traditional tank water heaters. With proper maintenance, they can last for over two decades. A tankless water heater is built to last, reducing the need for frequent replacements.

Does a tankless water heater require electricity?

All tankless models need some electricity to power the internal components. Electric models use electricity for heating elements. The electricity usage of a tankless water heater is minimal compared to the gas it uses for heating (in gas models) or compared to the amount of electricity used by an electric tank water heater. .

Can a tankless water heater run out of hot water?

Tankless water heaters, in theory, have an endless supply of hot water because they heat the water on demand, unlike tank water heaters that can deplete their stored hot water.. However, there are some practical limitations::
  • Flow rate:
    • A tankless unit has a maximum flow rate (gallons per minute) that it can heat. If you exceed this flow rate by using multiple hot water fixtures at the same time, the temperature of the hot water may decrease..
  • Cold groundwater temperatures:
    • Very cold water makes it harder to get instant hot water. This is more common with gas tankless water heaters.
  • Gas supply (for gas units): If you have a gas tankless water heater, the unit's capacity can be limited by the gas supply pressure or the size of the gas line..
Choosing the right size and type of tankless water heater, as well as having a qualified plumber perform the installation, will help to avoid these potential issues.

How do I convert from a tank water heater to a tankless?

Do not attempt to convert your water heater from tank to tankless yourself. Here are some of the steps involved in converting from a tank water heater to a tankless water heater::
  • Sizing and Selection: Determine the right size and fuel type of tankless unit based on your household or business needs, available space, fuel type, and budget..
  • Removal of Old Water Heater: Drain and disconnect the old tank water heater.
  • Plumbing Modifications: The plumber may need to reroute or install new pipes The existing plumbing configuration may not be optimal or compatible. This can involve installing new water lines and shut-off valves.
  • Gas Line Installation or Upgrade (if applicable): If switching to a gas tankless water heater, a new gas line might be necessary.
  • Electrical Work: Electrical adjustments may also be necessary for certain types of gas tankless water heaters. In some cases, an electrical panel upgrade may be required for electric units.
  • Venting: Install proper venting for the exhaust gases. The venting requirements vary depending on the type of unit being installed and local building codes..
  • Mounting: Securely mount the new tankless water heater on a wall or other suitable location..
  • Water and Gas Connections (if applicable): Connect water lines and the gas line.
  • Testing and Commissioning: Test the unit to make sure everything is working as expected.
A qualified installer will safely and correctly handle every part of the upgrade process, including permitting and compliance with local codes.

What is the warranty on a tankless water heater?

Tankless water heater warranties can vary depending on the brand and model. Most manufacturers offer warranties on parts, and some installers also provide separate labor warranties It's essential to read the fine print and understand what is and isn't covered under warranty.. Parts may have different lengths of warranty coverage.

Where is the best place to install a tankless water heater?

The best location for your tankless water heater depends on several factors, including:
  • Fuel type (gas or electric): Gas tankless units must be installed in a well-ventilated area and where there is a gas hookup. Electric units are more flexible and can be installed almost anywhere there is an electrical connection and a water supply.
  • Climate: In cold climates, it's best to install the unit indoors to prevent freezing. . Some tankless units are designed to be installed outdoors, if you live in a more temperate zone.
  • Proximity to fixtures: To minimize heat loss and get hot water faster, install the unit as close as possible to frequently used fixtures like showers or sinks. This is especially important if you don't have a hot water recirculation system..
  • Venting: Ensure there is a clear path to vent exhaust gases safely outdoors.
  • Space considerations: Tankless water heaters are compact, but you still need adequate space around the unit for maintenance access and proper ventilation.
Ask a professional installer to evaluate your property's specific situation and suggest an ideal placement.

How do I find a qualified tankless water heater installer near me?

Finding a qualified tankless water heater installer is crucial for a successful and safe installation. HVACCompaniesHub.com specializes in connecting you with licensed and experienced plumbers in your area. Use our directory to search for tankless water heater installers in UK and compare their qualifications, reviews, and services. Request free quotes and schedule consultations to discuss your needs and get the best price for your installation.

What is a tankless water heater?

A tankless water heater, also known as an on-demand water heater, heats water only when you need it, providing instant hot water and increased energy efficiency. Unlike traditional tank water heaters, which store and constantly reheat a large volume of water, tankless units heat water directly as it flows through the unit. Tankless systems offer significant advantages compared to tank-style units.

How much does a tankless water heater installation cost?

The cost of a tankless water heater installation typically falls within [Price Range], depending on factors like: the unit's capacity, fuel type (gas or electric), and the complexity of the installation.. Request free quotes from HVACCompaniesHub.com to compare prices from qualified installers in your area.

How long does it take to install a tankless water heater?

Installing a tankless water heater usually takes between a few hours and a full day. The length of the installation will depend on various factors, such as the complexity of the plumbing and electrical work. Your installer will give you a more accurate estimate after assessing your specific situation.

What are the benefits of a tankless water heater?

Tankless water heaters offer several advantages over traditional systems:
  • Endless Hot Water: Tankless units provide hot water on demand, eliminating the worry of running out of hot water during showers or other activities..
  • Energy Savings: Tankless water heaters are up to [percentage] more energy-efficient than tank water heaters. They don't store hot water, thereby minimizing heat loss.
  • Space Savings: Tankless systems are smaller and more compact than tank water heaters, making them a great choice for properties with limited space.
  • Longer Lifespan: Tankless water heaters typically last much longer than tank water heaters, often offering a greater return on investment.

Are tankless water heaters worth the cost?

Tankless systems save on energy, last longer, and offer unlimited hot water, offsetting higher initial costs. The return on investment will depend on your location, energy usage, and available incentives. Talk to an expert about potential long-term savings for your particular property.

What size tankless water heater do I need?

To get the right size, you'll need to consider: Consider the following factors when sizing a tankless water heater::
  • Climate: Colder climates require a larger temperature rise, which can affect the sizing of the unit.
  • Flow Rate: The amount of hot water you need simultaneously (gallons per minute or GPM). A professional plumber can help calculate flow rate needs based on usage patterns.
  • Gas or Electric: Gas tankless water heaters generally have a higher flow rate than electric models.
  • Energy Efficiency: Higher-efficiency units may have a lower flow rate but save energy in the long run.
A professional HVAC technician can help you determine the right tankless water heater size for your needs.

What is the difference between a condensing and non-condensing tankless water heater?

The main difference between condensing and non-condensing tankless units lies in their venting systems:
  • Condensing Tankless Water Heaters: These units extract heat from exhaust gasses to maximize efficiency and reduce heat loss.
  • Non-Condensing Tankless Water Heaters: These units do not reuse exhaust gasses. They are typically less expensive to purchase but less energy-efficient than condensing models.

What are the maintenance requirements for a tankless water heater?

Although tankless water heaters require less maintenance than traditional tank water heaters, regular maintenance is still important for optimal performance and longevity . To maximize their lifespan, tankless systems need regular maintenance, which includes:
  • Flushing the system annually: This process removes any mineral deposits and keeps the system working properly.
  • Checking the water filter (if applicable): Some tankless water heaters have a filter that needs to be cleaned or replaced as per the manufacturer's directions.
  • Professional inspection: Schedule a professional inspection by a qualified technician every few years to maintain optimal operation.
Following these maintenance guidelines will help your tankless water heater operate efficiently and last for many years.

What are the disadvantages of a tankless water heater?

Here's a summary of potential drawbacks to consider:
  • Higher Upfront Cost: Tankless water heaters are typically more expensive initially than traditional tank water heaters. However, the energy savings and extended lifespan of a tankless unit can offset the higher initial cost.
  • More Complex Installation: Tankless units can be more complex to install and may need a dedicated gas line or a larger electrical circuit.. Incorrect installation can damage the system or create safety hazards, so professional installation is highly recommended.
  • Potential Cold Water Sandwich: A small gap of cold water can sometimes flow out between uses of hot water. This can be mitigated by installing a recirculation system.
  • Power Requirements: Electric tankless water heaters require larger electrical connections, which may necessitate an electrical service upgrade if the existing system isn't adequate.
A thorough discussion with a plumber will help you make the right choice for your home or business.

Can a tankless water heater save me money?

Yes, a tankless water heater reduces energy usage on your energy bills in the long run by reducing or eliminating standby heat loss. Because it only heats the water you use immediately, a tankless system minimizes heat and energy loss compared to constantly reheating a stored volume of water. Your actual savings will depend on your hot water usage habits and local utility rates.

How do I choose the right tankless water heater?

Deciding on which system to install involves balancing various needs, such as:
  • Fuel Type (gas or electric): Gas-fired units are generally more powerful and efficient but require more upfront preparation for installation. Electric units are easier to install, but they may necessitate upgrades to your electrical system and are not as powerful.
  • Flow Rate (GPM): Choose a unit with a flow rate that can handle your peak hot water demands (the number of fixtures operating at the same time).
  • Energy Factor (EF) or Uniform Energy Factor (UEF): Look for a higher EF or UEF number to get the most cost-effective hot water.
  • Size and Capacity: The physical dimensions of the system need to work for your home, along with the system's hot water production.
  • Features: Look for features that improve convenience and control hot water.
  • Budget: Tankless water heaters vary in price, so set a realistic budget before shopping.
A qualified plumbing professional can help you assess your needs and recommend the best tankless water heater for your home or business.

What is a condensing tankless water heater?

A condensing tankless water heater is a more advanced type of tankless system. It recovers heat from the exhaust gases to preheat the incoming cold water. By capturing heat that would otherwise be lost, these units are able to boost efficiency. Condensing tankless water heaters typically have higher Energy Factor (EF) ratings and can save you more money on your energy bills compared to non-condensing models.

Do tankless water heaters require venting?

Yes, all tankless water heaters require venting Venting is crucial for safety. The type of venting required varies. Gas tankless water heaters require a vent pipe. A qualified technician will determine the appropriate venting method for your installation.

What is the difference between an electric and a gas tankless water heater?

Choosing between an electric or gas tankless water heater will depend on several factors, including:
  • Energy Efficiency: Gas tankless water heaters tend to have higher energy factors (EF) than electric, making them more efficient. However, electric units are comparable for smaller applications.
  • Fuel source and availability:
    • Electric models rely on electricity, while gas models use either natural gas or propane. Check fuel prices to make an accurate comparison.
  • Installation Requirements: Electric tankless units may require an electrical circuit or panel upgrade. Gas tankless units may involve more complex installation.
  • Flow Rate:
    • Gas tankless models offer higher flow rates. Electric tankless systems will have lower hot water output.
  • Upfront Costs: Electric units are generally cheaper to purchase and install. Natural gas offers cost savings over time, especially for larger households.
Consult with an installer to determine the best fit.

What is a point-of-use tankless water heater?

A point-of-use (POU) tankless water heater is a small, electric tankless unit designed for a single outlet, providing hot water on demand only where it's needed. They are an ideal solution for applications where a long wait for hot water is common or where a dedicated hot water line is not feasible. Consider them as a convenient, supplemental solution.

What is a hot water recirculation system, and do I need one?

A hot water recirculation system provides instant hot water at your fixtures. It's particularly useful if your water heater is located far from your fixtures, as it eliminates the long wait and waste of cold water going down the drain. Although a recirculation system adds to the complexity and cost of a tankless water heater installation, it greatly improves convenience and reduces water waste.

Can a tankless water heater be installed outdoors?

Yes, some tankless water heaters are specifically designed for outdoor installation.. Outdoor installations save valuable indoor space. Check with the manufacturer's specifications to ensure your chosen unit is appropriate for outside installation..

How long does a tankless water heater last?

Tankless water heaters typically have a longer lifespan than traditional tank water heaters. Expect your tankless system to function for 20 years or more. A tankless water heater is built to last, reducing the need for frequent replacements.

Does a tankless water heater require electricity?

Both gas and electric tankless water heaters require electricity to function, even though gas tankless water heaters use gas as the primary fuel source for heating the water. Electric models use electricity for heating elements. The electricity usage of a tankless water heater is minimal compared to the gas it uses for heating (in gas models) or compared to the amount of electricity used by an electric tank water heater. .

Can a tankless water heater run out of hot water?

Tankless water heaters, in theory, have an endless supply of hot water because they heat the water on demand, unlike tank water heaters that can deplete their stored hot water.. However, there are some practical limitations::
  • Flow rate:
    • A tankless unit has a maximum flow rate (gallons per minute) that it can heat. If you exceed this flow rate by using multiple hot water fixtures at the same time, the temperature of the hot water may decrease..
  • Cold groundwater temperatures:
    • Very cold water makes it harder to get instant hot water. This is more common with gas tankless water heaters.
  • Gas supply (for gas units): If you have a gas tankless water heater, the unit's capacity can be limited by the available gas volume.
It is important to discuss these potential limits with a professional to select the right system.

How do I convert from a tank water heater to a tankless?

Converting from a tank water heater to a tankless water heater is a more complex plumbing project that is best handled by a qualified and licensed plumbing professional. Here are some of the steps involved in converting from a tank water heater to a tankless water heater::
  • Sizing and Selection: A professional will determine the best model based on your household or business needs, available space, fuel type, and budget..
  • Removal of Old Water Heater: Drain and disconnect the existing system.
  • Plumbing Modifications: The plumber may need to reroute or install new pipes to accommodate the new tankless unit.. This can involve installing new plumbing.
  • Gas Line Installation or Upgrade (if applicable): If switching to a gas tankless water heater, a new gas line might be necessary.
  • Electrical Work: Electrical adjustments may also be necessary for certain types of gas tankless water heaters. Electric units can sometimes require significant electrical work.
  • Venting: Venting is essential for safety The venting requirements vary depending on the type of unit being installed and local building codes..
  • Mounting: Securely mount the new tankless water heater on a wall or other suitable location..
  • Water and Gas Connections (if applicable): Connect water lines and gas
  • Testing and Commissioning: Test the unit to make sure everything is working as expected.
Due to the complexity of the process, it's highly recommended to hire a qualified plumber or HVAC contractor who has experience with tankless water heater installations.

What is the warranty on a tankless water heater?

Tankless water heater warranties can vary by manufacturer. Most manufacturers offer warranties on parts, and some installers also provide separate labor warranties The length of these coverage terms can also vary, so confirm details with the seller or manufacturer before buying. Typical warranties for tankless water heaters range from 5 to 15 years for the heat exchanger, with shorter warranties for other components.

Where is the best place to install a tankless water heater?

The best location for your tankless water heater depends on several factors, including:
  • Fuel type (gas or electric): Gas tankless units must be installed in locations with appropriate ventilation and where there is a gas hookup. Electric units are easier to place, as they do not require venting and can be located virtually anywhere that has electricity and water.
  • Climate: In cold climates, it's best to install the unit indoors to prevent freezing. . Some tankless units are designed to be installed outdoors, if you live in a more temperate zone.
  • Proximity to fixtures: Reduce wait times for hot water by placing the unit closer to bathrooms and kitchens. This is especially important if you don't have a hot water recirculation system..
  • Venting: Ensure there is a clear path to vent exhaust gases safely outdoors.
  • Space considerations: Tankless water heaters are compact, but you still need adequate space around the unit for maintenance access and proper ventilation.
Ask a professional installer to evaluate your property's specific situation and suggest an ideal placement.

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