Cleaning the coils on rooftop units may seem mundane, but it’s an important job that pays off for your customers in more efficient operation and longer living equipment. And, any job that’s worth ...

There are two types of coils in an AC/refrigeration system–the evaporator and the condenser. They consist of copper or aluminum tubes with aluminum fins or microchannel tubes with fin strips. If these ...

During the hottest days of the year, it’s likely that you rely heavily on an air conditioning unit, be it targeting your room from a windowsill or cooling off the whole-home, without considering what ...

Air conditioners require regular maintenance and annual deep cleaning to ensure they’re in good working order, which will improve the comfort level of your home and keep energy costs down. Routine ...

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 ...

Convenience stores contain various types of plug-in cooling appliances. Examples include food, beverage, ice cream and ice merchandisers, various types of display cases, and the like. All these units ...