You probably wonder how you can know if a duct system is losing large amounts of energy. Although it is often difficult to be sure without testing, some telltale signs should help you convince your ...

HVAC professionals across the country are experiencing a recent change that is driven by energy codes. This change is related to duct-leakage testing on new and often retrofitted HVAC systems. A lot ...

My company is installing a fire alarm sprinkler supervisory panel (DACT) with one outside horn, one smoke detector and one manual pull box. We will be connecting to switches installed by the sprinkler ...

Forbes contributors publish independent expert analyses and insights. Brynn Cooksey Sr. is an energy efficiency expert Third-party testing and acceptance is not about pointing fingers—it is about ...

Residents hoping to take advantage of the state’s “cash for clunker” air conditioner rebate program – which begins Monday – could run into delays getting a required test performed to qualify. Air ...