HVAC Companies Derry

Find the best Heating and Cooling Services in Derry

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  • Harvey Group plc
    4.6
    Newtownabbey, Co. Antrim, 14 Glenwell Road, BT36 7RF, GB

    We are industry leading experts, focused on exceeding our customers' expectations. Through innovative thinking and collaborative working, we have become the trusted partner in mechanical and electrical services and one of Northern Ireland’s top-tier providers. We consistently perform as a team to build a better, more sustainable tomorrow, together. Our friendly and hassle-free culture ensures every client receives first class service.

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  • Eircon Limited
    29A Ferryhill Road, Newry, BT35 8RT, GB

    Situated in the vibrant city of Newry, our company stands as a beacon of excellence in the realms of refrigeration and air conditioning. With years of hands-on experience and a wealth of expertise, we have become synonymous with reliability and proficiency in meeting the diverse needs of our clients. We provide friendly and professional services, carried out by our trusted and reliable engineers: At the heart of our service offerings is our commitment to providing top-notch air conditioning solutions, executed by a team of skilled and trustworthy engineers. Whether you require installation, maintenance, or repairs, our professionals are dedicated to delivering unparalleled service with precision and care. Do you need Air Conditioning / Refrigeration Help? We are here to help you 7 days a week & will respond within 24 hours to any support request. In addition to our technical prowess, we prioritize customer satisfaction and transparent communication. We work closely with our clients to understand their unique requirements and provide personalized  recommendations that align with their goals. As a customer-centric organization, we believe in fostering long-term relationships built on trust, reliability, and the consistent delivery of exceptional service.

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  • AV Gas Ltd
    5
    Kilmarnock, KA1 1AA, GB

    AV Gas specialises in boiler repair, installation, and servicing in Ayrshire and Glasgow, taking care of your heating and hot water with skill and safety. Alexander is a fully qualified and gas-safe registered heating engineer with over 15 years of experience. His expertise lies in fault finding and repairs, and he takes extreme pride in providing safe and efficient solutions for your heating and hot water problems. AV Gas is committed to transparent service, so you'll always know the scope of work and associated costs upfront. AV Gas is located in Kilmarnock, Scotland, and serves the areas of Ayrshire and Glasgow.

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  • EPH Services NI Ltd
    5
    Jubilee Road, Sketrick House, Newtownards, BT23 4YH, GB

    EPH Services NI Ltd are a local company offering nearly 35 combined years in both the delivery and management of hard services within the facilities management industry to include, but not limited to - Property maintenance, Landlord services, and all aspects of plumbing and heating (oil & gas) within the domestic, commercial and retail and care home sectors. We are a Gas Safe, Oil Safe Assured and OFTEC registered company meaning you can be absolutely positive that our team hold the required qualifications and experience to install, maintain and repair any of your heating needs. For your peace of mind we are a fully insured and covered company with public liability of £5 million. Click here to see our certificate so you're in no doubt. We are based in Newtownards, County Down but cover throughout Northern Ireland for our domestic works and all over Ireland and the UK for our commercial works.

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  • EUROSPAR Donaghadee Road
    4.2
    121 Donaghadee Road, Newtownards, BT23 7QR, GB

    SPAR Northern Ireland is a convenience store chain that operates at the heart of Northern Ireland's communities. We are passionate about reinvestment into these communities and are proud to be a part of your neighborhoods. Our convenience stores are owned and run by locals, for locals, and we are here to provide the essentials you need but also to support local suppliers, schools and charities. Our mission is to always be there for you, and there for everyone. We care about the areas where we operate, our customers, our staff and the wider planet. We are committed to delivering value on your doorstep, with great deals on locally sourced, fresh produce, tasty meal inspirations, and your cupboard essentials. Our community is at the heart of everything we do. We believe in the joy of living locally and are committed to supporting our local communities through various initiatives and partnerships. At SPAR Northern Ireland, we are proud to be a part of your community and are committed to being there for you, now and in the future.

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  • KEM UK Ltd
    Unit A5 Sydenham Business Park, 17 Heron Road, Belfast, BT3 9LE, GB

    KEM UK Ltd is a reliable and competitive electrical and mechanical contractor based in Belfast, Northern Ireland, with a proven record of providing high-quality services to the retail, domestic, commercial, and industrial sectors. Our company policy is to continually strive for the highest levels of commitment, communication, customer satisfaction, completion to schedule, and quality, ensuring that our clients receive value for money and uncompromising quality on time, all of the time. We work throughout the UK and Ireland, carrying out maintenance, new builds, refurbishments, and more.

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  • Cooltech Refrigeration
    Mayobridge, 33 Bavan Road, Newry, BT34 2EP, GB

    Cooltech Refrigeration is a family-run business in Newry, Co. Down. Over the 15 years we have been established, we have built a reputation for providing prompt & professional services, with the dedication and commitment of our highly skilled engineers. Our customers range from small businesses to large multi-site organisations. However, no matter the size of the business, we always maintain a friendly, competitive & first-class service.

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  • BTK Services
    5
    5 Glennor Crescent, Carryduff, BT8 8HW, GB

    BTK Services is a local business based in Carryduff, Northern Ireland. We offer a range of services including home services, as well as providing a gallery of our work. We pride ourselves on our commitment to quality and customer satisfaction.

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  • Devlin Mechanical Ltd
    5
    4 Carlane Road, Toomebridge, BT41 3NT, GB

    For over thirty years we have been developing our knowledge and expertise in the mechanical services sector. We take great pride in making sure our customers are happy.

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  • East Antrim Harriers
    5
    Harrier Way, Ballyclare, GB

    East Antrim Harriers AC is a running club formed in 1907. The club has a rich history, with notable achievements including winning the Northern Ireland Senior Cross Country Championships 24 times. The club has also produced athletes who have represented Great Britain at the Olympic Games. Today, the club continues to compete at all levels of the sport and has a strong focus on promoting the sport and providing opportunities for women and veterans.

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Frequently Asked Questions About HVAC Companies

Find answers to common questions about HVAC services, finding contractors, and getting the best heating and cooling solutions for your needs.

What are the most common HVAC problems?

Common HVAC problems include:

  • AC not cooling: Refrigerant leaks, compressor issues, or thermostat problems.
  • Furnace not heating: Pilot light or ignition control issues, blower motor problems, or clogged filters.
  • Uneven temperatures: Ductwork leaks, inadequate insulation, or faulty thermostats.
  • Poor air quality: Dirty air filters, mold growth in ductwork, or inadequate ventilation.
  • Strange noises: Unusual sounds from the system can indicate a variety of problems with different components.
  • High energy bills: Inefficient systems, ductwork leaks, or improper thermostat settings.
If you're experiencing any of these issues, contact a qualified HVAC technician for diagnosis and repair.

How do I choose the right size AC unit for my home?

Choosing the right AC unit size is essential for efficient cooling. An undersized unit won’t cool your home adequately, while an oversized unit will cycle on and off frequently, wasting energy and leading to premature wear and tear. A qualified HVAC technician will calculate the appropriate size AC unit for your home based on factors like:
  • Your home's square footage
  • Your local climate
  • Insulation levels
  • Window efficiency
  • Number of occupants
This calculation involves determining your home's cooling load, typically measured in BTUs (British Thermal Units). Don’t rely on estimates or guesswork; consult with an HVAC professional to ensure your new AC unit is properly sized for your specific needs.

What should I look for when hiring an AC installer?

When hiring an AC installer, consider these key factors:
  • Experience and Expertise: Look for installers with experience and a good understanding of AC systems.
  • Licensing and Insurance: Make sure the installer is licensed and insured to work in your area.
  • Reputation and Reviews: Check online reviews and ratings from other customers.
  • Detailed Quotes: Get itemized quotes outlining all costs associated with the installation.
  • Warranties: Inquire about warranties on equipment and labor.
  • References: Ask for and check references from past customers.
  • Communication: Choose an installer who communicates clearly and promptly.
By carefully evaluating these aspects, you can choose a qualified and trustworthy professional for your AC installation.

What is the difference between an AC unit and a heat pump?

While both air conditioners and heat pumps provide cooling, they differ in how they generate heat. An AC unit cools your home by extracting heat and transferring it outside. It uses a separate furnace or heating system for heating in colder months. A heat pump, however, can both cool and heat. In cooling mode, it functions like an AC, extracting heat from indoor air and releasing it outdoors. In heating mode, it reverses this process, extracting heat from the outside air (even in cold temperatures) and transferring it inside. This makes heat pumps more energy-efficient for heating than traditional electric resistance heating, especially in mild to moderately cold climates.

What are the most common HVAC problems?

Common HVAC problems include:

  • AC not cooling: Refrigerant leaks, compressor issues, or thermostat problems.
  • Furnace not heating: Pilot light or ignition control issues, blower motor problems, or clogged filters.
  • Uneven temperatures: Ductwork leaks, inadequate insulation, or faulty thermostats.
  • Poor air quality: Dirty air filters, mold growth in ductwork, or inadequate ventilation.
  • Strange noises: Unusual sounds from the system can indicate a variety of problems with different components.
  • High energy bills: Inefficient systems, ductwork leaks, or improper thermostat settings.
If you're experiencing any of these issues, contact a qualified HVAC technician for diagnosis and repair.

How do I choose the right size AC unit for my home?

Choosing the right AC unit size is essential for efficient cooling. An undersized unit won’t cool your home adequately, while an oversized unit will cycle on and off frequently, wasting energy and leading to premature wear and tear. A qualified HVAC technician will calculate the appropriate size AC unit for your home based on factors like:
  • Your home's square footage
  • Your local climate
  • Insulation levels
  • Window efficiency
  • Number of occupants
This calculation involves determining your home's cooling load, typically measured in BTUs (British Thermal Units). Don’t rely on estimates or guesswork; consult with an HVAC professional to ensure your new AC unit is properly sized for your specific needs.

What should I look for when hiring an AC installer?

When hiring an AC installer, consider these key factors:
  • Experience and Expertise: Look for installers with experience and a good understanding of AC systems.
  • Licensing and Insurance: Make sure the installer is licensed and insured to work in your area.
  • Reputation and Reviews: Check online reviews and ratings from other customers.
  • Detailed Quotes: Get itemized quotes outlining all costs associated with the installation.
  • Warranties: Inquire about warranties on equipment and labor.
  • References: Ask for and check references from past customers.
  • Communication: Choose an installer who communicates clearly and promptly.
By carefully evaluating these aspects, you can choose a qualified and trustworthy professional for your AC installation.

What is the difference between an AC unit and a heat pump?

While both air conditioners and heat pumps provide cooling, they differ in how they generate heat. An AC unit cools your home by extracting heat and transferring it outside. It uses a separate furnace or heating system for heating in colder months. A heat pump, however, can both cool and heat. In cooling mode, it functions like an AC, extracting heat from indoor air and releasing it outdoors. In heating mode, it reverses this process, extracting heat from the outside air (even in cold temperatures) and transferring it inside. This makes heat pumps more energy-efficient for heating than traditional electric resistance heating, especially in mild to moderately cold climates.