Use this mainly as a quick gut check, not a precise test. “The two‑minute light test is a good go or no‑go check,” says Kerr, ...

It’s a common misconception that the cooling blower speed on a residential air conditioning system should always be set to “high.” In many cases high speed for cooling will not give you the best ...

Furnace filters designed to act as whole-house air filters add stress to the blower in an HVAC system by impeding airflow. Two design adjustments at installation can resolve this issue and potentially ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

No, I don't mean a box fan with a crap filter in front of it. I'm thinking about something more substantial with a MERV16 filter. I've got two applications in mind, household dust in my master bedroom ...

TORONTO – If you’re like most people, you probably don’t give your furnace much thought as long as it’s keeping you warm in the winter and cool in the summer. But in order to keep it working to its ...