Pneumatic furnace damper drives may be more common, but electro-hydraulic actuators provide several advantages to the more traditional control scheme. One fossil-fired plant in Taiwan achieved more ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

Alright HVAC experts, here's your chance to show off your diagnosis skills: We have a 2006 Lennox G50UHi furnace, and we replace the filters regularly, have it cleaned, etc. The only odd thing that we ...