C J S 

Heating & Air-​Conditioning Services Ltd



We are a family run business who are committed to providing the best possible service gained from over 40 years in the industry. We pride ourselves in our expertise in our trade. We are focused on providing high-quality service and customer satisfaction for a fair price, we will do everything we can to meet your expectations.

  • We are accredited and validated by a number of agencies, including: REFCOM & GAS SAFE, All of our staff are fully qualified GAS SAFE & F-GAS certified, DBS checked, Electrical certs, Asbestos aware.
  • In addition to our own personnel that cover all our HVAC works, we have access to a comprehensive network of specialist sub-contractors  who are selected for their technical expertise, professionalism and commitment to quality. So we can cover all your building requirements.
  • We work with clients in all market sectors, including: schools & colleges, housing associations, manufacturing, retail, banking, car showrooms and many more.

Typical works include, but not limited to:

• Gas Boilers inclusive of pumps, controls, valves etc

• Gas Burners

• Gas Booster Sets

• Calorifiers

• Pressurisation Units and Hot Water Tanks

• Heat Emitters & Under-floor Heating Systems

• Plate Heat Exchangers

• Pipework and Insulation

• Chiller Units

• Air Handling Units

• Local and Building Extract and Ventilation Systems

• Air Curtains

• Fan Coil Units, DX & Split Units & Cassette Systems

• Humidification Systems

• Standard plus Statutory Pressure Vessel Examination (in compliance with The Pressure Systems Regulations 2000.)




Our mission is to help create and maintain a safe, healthy and comfortable environment for our clients to work and live in.

We can give our clients  a single line of communication saving your valuable time, giving you the freedom to concentrate on the smooth running of your business, whilst we take care of your building’s requirements.