The Dave Lennox Signature® Collection CBX40UHV variable-speed air handler is quiet, compact, and easy to install and service. According to the manufacturer, in heating mode, the air handler increases ...

Century’s AHGV Series of variable speed hydronic air handlers for R-410A provides freeze protection in both heating and cooling. The variable speed blower motor operates about 90 percent more ...

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 ...