Hvac contractors and techs who service rooftop units may sometimes long for the good old days, when the condenser coils they had to clean were simple slabs. A new design is not quite as simple as ...

I asked my neighbor who hoses off his air conditioner condenser every spring why he does it. "Because my dad always told me I had to," he said. Conventional wisdom like what my neighbor's dad imparted ...

One to two times a year, call up your local HVAC professional to take a look at your all-too-important AC coils. Cleaning AC coils costs anywhere from $75 to $700, or an average of $125 per coil. Dirt ...

The condenser is an important part of your refrigerator's sealed refrigerant system, and it is the only part that needs maintenance. Fortunately, all that's required is to clean the condenser's coils ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

David Yuill received funding from the American Society of Heating, Refrigerating, and Air-conditioning Engineers to conduct this study, under Research Project 1705. He is affiliated with ASHRAE. I ...