How Air Conditioning Systems Work

Heat pumps and most central air conditioners are called “split systems” because there is an outdoor unit (called a condenser) and an indoor unit (an evaporator coil). The job of the heat pump or air conditioner is to transport heat Read More

Central Air Conditioning

Central air conditioning units are usually matched with a gas or oil furnace to provide heat through the same set of ducts. There are also central HVAC units called heat pumps that combine both the heating and cooling functions. If you Read More

Rating a Units Efficiency

The efficiency of central air conditioning systems is rated by a Seasonal Energy Efficiency Ratio (SEER). SEER ratings typically range from 13 to 23, with the highest numbers indicating the most efficient units that offer the most energy savings year Read More

What Does HVAC Mean

While the Energy Center usually tries to avoid the use of acronyms, HVAC is in common use in the heating and cooling industry. It stands for “heating, ventilation and air conditioning,” three functions often combined into one system in today’s Read More

When to Replace Your Filters

Are the return air vents in your house covered with dirt? If so, you’re not cleaning or replacing your filter often enough! You should replace or clean the filter once a month. With forced air furnace systems, air recycling from the Read More