Room Air Conditioners

Purchase an ENERGY STAR® certified room air conditioner—and get a $40 rebate.
An energy efficient room air conditioner
ENERGY STAR® certified room air conditioners help keep your home cool and save energy.

Room air conditioning units come in window and portable versions. ENERGY STAR® certified room air conditioners now save even more energy and money with better sealing and insulation materials that keep you cool and comfortable.

Paired with weatherization upgrades  (insulation and air sealing), upgrading heating and cooling equipment is one of the most effective ways to lower your energy use.

Greater discounts and no-cost options are also available to income-qualifying customers .

  1. Confirm Eligibility
    View the Eligibility Tab to confirm the eligibility requirements. The Sponsors of Mass Save offer enhanced incentives to income-qualified households.
  2. Purchase Eligible Equipment
    Purchase an ENERGY STAR® certified room air conditioner. The Sponsors of Mass Save offer in-store rebates for the purchase of room air conditioners. To access the rebate, you will need your utility account number on hand.
  3. Submit Rebate Form with Required Documentation
    Apply Online
    Print & Mail Rebate Form
  • 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, 2024, through December 31, 2024
  • Applications for 2024 rebates and all necessary materials must be postmarked or submitted online by January 31, 2025
An energy efficient home in Westhampton Massachusetts

Case Study: Westhampton Upgrades

Homeowners in Westhampton participated in a no-cost energy assessment to find ways to make their home more comfortable. By making insulation improvements and installing LED lightbulbs and advanced power strips, the homeowners are expected to save $486 annually in energy costs.

Shelbourne Case Study Image

Case Study: Shelburne Falls Addition

To make a new addition more comfortable, Angel and her husband took advantage of incentives to increase the insulation levels, install a high-efficiency mini-split heat pump, add a new fan vent, and make LED lighting upgrades.