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Heating and Cooling Efficiency Ratings Explained

As you search for the ideal HVAC system, you will encounter various industry-standard efficiency ratings. The higher efficiency your product, the lower your long-term energy costs will be. In addition to offering high-quality products and exceptional customer service, we want to educate our customers. Obviously, the more efficient a product is, the greater your long-term savings will be.

There are three main ratings to pay attention to when selecting a product:


SEER (Seasonal Energy Efficiency Ratio) measures and rates the efficiency of the cooling processes in air conditioners and heat pumps. All new products are required by law to have a minimum 13.0 SEER rating. At Jacobs, we carry a full line of Carrier air conditioner units with ratings from 13.0 all the way up to 21.


AFUE (Annual Fuel Utilization Efficiency) measures the efficiency for gas and oil-fired furnaces. This rating uses a percentage to tell you much fuel is used to heat your home versus how much fuel is wasted. At Jacobs, we offer a wide selection of Carrier furnaces with AFUE ratings ranging from 80% to 98.5%.

Cost Savings: If you replace a furnace with an AFUE of 60% with a new, highly efficient furnace, you could save up to 40% on your heating bills. You can easily recoup the cost of replacing your old furnace through lower utility bills.


HSPF (Heating Seasonal Performance Factor) measures the efficiency of a heat pump’s heating mode. All new models are required to have a minimum 6.8 HSPF rating. At Jacobs, we offer a wide selection of high-efficiency Carrier heat pumps with HSPF ratings from 9 to an industry-leading 13.

Cost Savings: Although higher efficiency heat pumps and air conditioners typically have higher equipment costs, they do lead to lower utility bills. In a warm and/or humid climate, an owner can usually recoup the costs of buying high-efficiency AC through lower utility bills in a few years.

Contact us for more information on high-efficiency HVAC equipment and how we can help you lower your energy costs.

Matching Your System for Optimum Efficiency

One additional factor that affects the efficiency of your air conditioning or heat pump system is your indoor coil. If your condensing unit is not matched with the proper indoor coil, it may not give you the stated SEER and/or HSPF ratings and could even develop performance problems. When you replace an existing system, make sure you replace both units so your new condensing unit will give you optimal performance, efficiency, and comfort.

In order to ensure that your air conditioning or heat pump is operating properly, it is crucial to match your indoor coil with your condensing unit. Whether you are buying a new system or replacing one piece of equipment, it is important to ensure that these pieces work together. If these two parts do not match, your new unit will not give you optimal performance, efficiency, and comfort. Contact us with any questions about matching your system for optimal efficiency.