How to Understand Air Conditioner Ratings

Shopping for a new central air conditioner lacking a familiarity with air conditioner ratings is like going hiking barefoot. You’re not going to get very far. Ratings that show the cooling efficiency of an air conditioning system (in effect, how well the system converts electricity into cooling) will help you get the right A/C for your San Diego-area home. The most common residential central cooling system in Southern California (and the U.S. as a whole) is the split-system A/C or…

Two-Stage Cooling: The Benefits

Because single-stage cooling is more than you need most of the time, two-stage cooling offers better comfort control and lower operating costs. A one-stage air conditioner has only a single cooling output: 100 percent all the time, as long as the unit is running. This all or nothing approach has several drawbacks: Once the house is cooled to the desired thermostat setting, the single-stage A/C continues to operate at 100 percent output, causing the unit to cycle on and off…

Your Attic: Is it a Money and Energy Waster?

Do you have an attic in your San Diego home? If so, is it sealed, insulated, and ventilated? If it isn’t, this unassuming space may be wasting your heating and cooling dollars. Here’s why, and how to prevent it. Your attic, at the top of your home, is part of your thermal envelope — the interface between your home’s temperature and the outside world. Direct sunlight on the roof during the hot summer months causes heat to radiate down into…

Common A/C Condensate Drain Problems

During the normal cooling process, your A/C extracts water from the air and sends it outdoors through the built-in drainage system. Problems with the drain system can result in unpleasant odors, mold growth that degrades your indoor air quality, or even HVAC equipment and property damage. Here’s how to deal with three of the most common drainage system issues that develop, so you can avoid messy cleanups, prevent costly repairs, and maintain a healthier air supply. Dry Drain Trap Your…