Stacking is the abnormal accumulation of refrigerant in the condenser of a chiller. It is commonly caused by a decrease in the difference in pressure or lift between the condenser and the evaporator.

Are HVAC maintenance plans worth it? Explore costs, benefits, and real savings to decide if an annual service contract makes ...

A broken HVAC system is costly. We reviewed 20 companies to find the best home warranties for your needs in 2026.

Periods of instability in HVAC systems often occur during necessary transitions in system operation. Examples of such instances include when a system first enables, shifts from occupied to unoccupied ...