A1 Comfort Control - Seer Rating

SEER stands for Seasonal Energy Efficiency Ratio. It's a number (between 8-23) that describes how efficient an air-conditioning system works. A higher SEER means higher efficiency and lower energy bills.

SEER is calculated by dividing the amount of cooling supplied by the air conditioner or heat pump (Btu's per hour) by the power (watts) used by the cooling equipment under a specific set of seasonal conditions.

These ratings are determined in a laboratory where the exact set of indoor and outdoor conditions-specified by the US Department of Energy-are guaranteed to exist. Because each piece of cooling equipment is evaluated using the exact same conditions, the rating can be used in comparing the performance of equipment from different manufacturers. Higher ratings can be achieved by manufacturers who use newer or better technology in their equipment.

That's why these ratings have a big influence on initial equipment costs and also why SEER has become an important part of manufacturers and HVAC marketing programs.

In the United States, all air conditioners sold on or after January 1, 2006 are required to have a SEER rating of at least 13. Window air-conditioners that are mounted in windows are not affected by this law.

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