A variable frequency drive (VFD) fails to vary the discharge-air fan speed. A motor overheats and fails prematurely. Programmable controls that generally operate without issue suddenly experience ...

The core of a refrigeration system is the compressor, which is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task the compressor raises the ...

When your HVAC system was new, it was designed to keep the indoor environment comfortable, functional, and safe. Over time, that system can drift out of alignment, leading to wasted resources, ...

There are several HVAC issues that you can fix yourself. If your system isn’t working as expected, your first order of business should be checking your air filter and replacing it if necessary. If you ...