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 ...

THIS WEEK as the weather shifted from unusually cool and rainy to miserably muggy, I took it as a sign that the air-conditioning season had begun. To mark the occasion, I bought a fin comb and a can ...