Install or service condensing gas boilers? CORGI "strongly recommends" you have relevant testing equipment and are competent in its use Condensing boilers use air/gas valves and fans to reduce excess air in the boiler, lowering flue heat losses and raising…

Actuators for HVAC systems Belimo has been designing, manufacturing and marketing electric actuators for motorized control devices in heating, ventilating and air-conditioning systems since 1975. The company’s innovative, high-class technology ensures troublefree operation for all kinds of HVAC control devices.…