$20 instant rebate

Beat the heat and keep costs low. ENERGY STAR® Advanced room air conditioners save energy when you need to cool specific rooms or trouble spots in your home. They’re quiet, efficient and include better sealing and insulation materials to prevent costly air leaks and wasted energy.

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According to energy.gov, an ENERGY STAR Advanced room air conditioner saves an average of $146 over its lifetime. Those savings plus our instant rebate can quickly make up any price difference over lesser models, and you get all the additional benefits.

Benefits of an ENERGY STAR Advanced room air conditioner

  • Low-cost cooling solution
  • Quiet, energy-saving performance
  • Better insulation and sealing to minimize air leaks
  • Connected functionality and smart timer capabilities

Choosing the right size

The most energy-efficient room air conditioner is properly sized for the space you’re trying to cool. ENERGY STAR offers the following chart to help you size based on square footage and cooling capacity, measured in BTUs.

Area to be cooled (square feet) Capacity needed (BTUs per hour)
100 up to 150 5,000
150 up to 250 6,000
250 up to 300 7,000
300 up to 350 8,000
350 up to 400 9,000
400 up to 450 10,000
450 up to 550 12,000
550 up to 700 14,000
700 up to 1,000 18,000
1,000 up to 1,200 21,000
1,200 up to 1,400 23,000
1,400 up to 1,500 24,000
1,500 up to 2,000 30,000
2,000 up to 2,500 34,000


Must be an ENERGY STAR Advanced (+10%) certified model replacing an existing room air conditioner.

Room air conditioner must be on the Qualified Products List at the time of purchase.

In-store only coupons must be used at a location on the Participating Retail Store List.

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Must be a residential customer on a residential rate with an active meter serviced by a Participating California Utility for the installation address. Participating Utilities include San Diego Gas & Electric Company (SDG&E), Pacific Gas and Electric Company (PG&E), Southern California Gas Company (SoCalGas) or Southern California Edison Company (SCE).