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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