Owners of commercial refrigeration systems containing 50 pounds of CFC or HCFC refrigerants are required by the Environmental Protection Agency (EPA) to repair refrigerant leaks when the leak rate ...

A faulty air conditioner can quickly ruin a beautiful summer day. Beyond making driving an uncomfortable experience, a defective air conditioner can lead to high repair costs. Today, we cover how AC ...

Here’s how it works: Multiply the age of the equipment by the estimated repair cost. If the result is higher than $5,000, replacement is probably your best bet. If it’s lower, you might do better to ...

Q: Is it possible for an HVAC technician to overfill an air-conditioning system with too much refrigerant (my system uses R-22)? For example, if the system needs two pounds, is it possible for the ...

Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...