We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › During the hottest days of the year, it’s likely that you rely heavily on an air ...

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 ...

Heat pumps are HVAC devices that transfer heat from a lower-temperature fluid to a higher temperature fluid. In the 1970s, heat pumps were touted as the energy efficient HVAC systems of the future.