About Us
Find out more
About Us

Our reputation for providing high quality heating and air-conditioning systems
is important to us, and we very much believe in developing and
maintaining good relationships with our clients.

Over the years we have built a very good reputation as a specialist supplier and installer of
heat pumps, underfloor heating, air conditioning, CHP, and solar PV systems.

We fully design and create energy-efficient systems for your home or commercial property ensuring the use of the highest quality products resulting in substantial energy savings and a reduction in your utility costs.

Kereen Heat Pumps and HVAC has a proven track record of sharing expert system experience and knowledge with engineers and architects to assist at every stage of the project process from consultation and design to installation, commissioning, and maintenance.

As an Accredited Installer endorsed by Mitsubishi Electric, customers are assured of a reliable standard of service and installation.

Kereen Heat Pumps and HVAC is based in Dungarvan, West Waterford, and has been successfully operating since 2000. It is a family-run business established by John and Niamh Reynolds who between them have over 25 years experience previously working in management roles within the HVAC, financial and logistics markets.


Over the years Kereen Heat Pumps and HVAC has successfully delivered high-quality mechanical projects from the commercial to domestic markets. The majority of these projects have seen the installation of energy-efficient equipment from heat pumps to combined heat and power units.

We proudly provide the highest quality in installation, service, and maintenance of heating and air conditioning systems to our customers across Munster and Ireland. We provide buildings with comfortable warm or cool temperatures and clean air, no matter what time of the day it is so you’re always in good hands.

Technical ability and excellent installations is one of our key attributes and is why we have both retained customers and gained new customers over the years. As a chosen accredited installer by Mitsubishi Electric Ireland, who are the market leaders in the latest technologies, with best in class reliability and efficiency, our customers will receive the highest service level agreements which gives total peace of mind.

We are a registered approved contractor with SEAI, where we have obtained a 100% pass rate on projects ranging from social housing to one off private contracts. Delivering quality workmanship over the years has seen a large quantity of repeat business within the commercial and domestic sectors.

We truly believe in delivering the best possible quality, this is applicable to all that we supply and all that we do; quality products, quality installations and above all high quality service and after sales support.

The benefits of working with us:

  • Over 25 years of experience in renewable energy air conditioning systems
  • Consultancy, design, installation, commissioning and maintenance
  • Offering true craftsmanship
  • Delivering high quality service and products
  • Support from leading suppliers in the industry
  • Providing advice on Building Energy Rating (BER)
  • Providing advice on Building Regulations Part L
  • Expert in the field of Combined Heat Power (CHP)
  • Professional approach and attitude
  • Competitive pricing