The key is to size, select, and install them correctly.

The filter-drier may not be glamorous, but it is critical.

Mike O’Brien loves demand-control ventilation (DCV).

For several years now, the State of Minnesota has been telling contractors that substantial changes were to be made to its 2000 Energy Code as of April 15, 2000.

Www.pmOptions.com is an online resource for hospitality and hvac professionals who need to deal with public-place smoking.

Many schools are suffering the effects of years of deferred maintenance.

One reason contractors are hesitant to offer service agreements is that they believe they are a risky proposition.

Temporary cooling, portable air conditioning, spot cooling — whatever you call it, it’s a growing market, with more people recognizing it as an option, especially when “traditional” air conditioning is either logistically or financially impossible.

We in the hvac business pray for scorching summers and bone-chilling winters to keep profit margins high.

Temporary cooling, portable air conditioning, spot cooling — whatever you call it, it’s a growing market, with more people recognizing it as an option, especially when “traditional” air conditioning is either logistically or financially impossible.