Room Air Conditioners

Receive a $40 rebate on ENERGY STAR® certified models.

Example of a rebate qualifying room air conditionerIn the summer months, room air conditioners, such as window units, can help keep the spaces in your home cool and comfortable. By using an ENERGY STAR® certified room air conditioner, you can avoid the heat, while also avoiding energy waste. A certified model uses 10% less energy than a non-certified model, which means you could save more than $60 over the lifetime of the unit.


For more information about ENERGY STAR certified room air conditioners and a list of certified models:
Energy Star Logo


Follow These Steps to Apply for Your Rebate:

  • 1 Step 1

    Check your eligibility below.

  • 2 Step 2

    Purchase an ENERGY STAR certified room air conditioner.

  • 3 Step 3

    Submit your rebate form and receipt by mail or online.

Already Submitted Your Rebate Application?

Save instantly when you purchase an eligible room air conditioner at participating retailers. Simply follow the prompts to check your eligibility, and you’ll receive a text with a link to your rebate code. Show your code at the register and the rebate amount will be instantly subtracted from the price of the unit.


  • This offer is only open to Massachusetts residential electric customers of Cape Light Compact JPE, Eversource, National Grid, or Unitil.
  • Limit two room air conditioner rebates per account per calendar year.
  • The rebate is good for purchases made from January 1, 2021 through December 31, 2021.
  • Applications for 2021 rebates and all necessary materials must be postmarked or submitted online by January 31, 2022. Download the 2021 Mass Save Room Air Conditioner Rebate form.