Residential Water Heater Program

Residential Water Heater Program

Instant Discount Program

You can cut the cost of heating the water in your home by replacing your old inefficient water heating system with new energy-efficient equipment.  The Energy Efficiency Fund, an Energize CT partner, in association with Southern Connecticut Gas, offers instant discounts* for replacing or installing new systems. You may qualify for the following:

Minimum Efficiency Levels - Instant Discount Schedule

Eligible Equipment Type and Minimum Efficiency for Instant Discount Instant
ENERGY STAR® certified Natural Gas Tankless Water Heater with 0.95 Uniform Energy Factor (UEF) or greater $300
ENERGY STAR® certified Natural Gas Condensing Water Heater with Thermal Efficiency (TE) ≥94% or Uniform Energy Factor (UEF) ≥0.86  $300

1 Instant discount per unit

All installations must be completed by a licensed contractor and/or plumber to qualify for the instant discount.  Visit the CT Department of Consumer Protection Online License Verification website for a list of licensed contractors.

*Instant Distributor Discounts Now Available:

  • HVAC equipment distributors can now automatically apply the Energize CT instant discount to the price they charge your contractor for qualified equipment.
  • Multiple instant discounts for the same unit (equipment serial number) will not be accepted.
  • Licensed installation contractors can purchase qualified high-efficiency equipment that receives the instant discount at participating distributors found on


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