Over the past few years, the U.S. Department of Energy (DOE) has issued dozens of regulations affecting HVACR equipment manufacturers, including new regional energy conservation standards for ...

Variable-speed options are abundant in HVAC and their impact has been felt industry-wide. Contractors and manufacturers alike have taken to these single- and two-stage alternatives as ways to enhance ...

A mini-split is a small, ductless, split-system air conditioner "Variable speed” refers to how the fan motor operates for the air handler With “zoning,” you can control the temperatures in individual ...

QUESTION: I’ve been told that some technicians don’t like variable speed air conditioners due to their high maintenance costs. Is that true? ANSWER: A variable speed AC runs at a lower speed for ...

Split air conditioners with heat-pump systems deliver both cooling and heating by reversing the refrigerant cycle. Models from LG, Haier, Panasonic, and Godrej combine inverter compressors, sensors, ...