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 ...

It's about this time of year, we always seem remind Iowans to replace their furnace filters, which is important, and it's something you can certainly do yourself. But, there's more you can do to help ...

Q: I have my central air conditioner and furnace serviced every several years to keep them running efficiently. Is there anything I can do to the air conditioner on the off years to improve its ...