Intermountain Gas Energy Efficiency Whole Home Rebate

Build a home, build your rebate! Choose from Whole Home Tier I or Whole Home Tier II new construction rebates. Earn additional savings when you stack rebates for a smart thermostat, or high efficiency water heaters in addition to your Whole Home rebate. Mix and match to maximize your energy savings and rebate dollars, up to $1,325 per home.

Intermountain Gas Energy Efficiency Program Appliance Rebates

Homes with a start date after April 1, 2021, (start date determined by building permit date), must meet the criteria for either Whole Home Tier I or Whole Home Tier II, as listed below. In addition to the two new construction rebate options, builders may also stack smart thermostat or water heater rebates on top of the whole home rebate, see below for examples.

Whole Home Tier I – $900

  • HERS rated
  • Air sealing at or below 3 ACH at 50 Pa
  • Ceiling insulation at or above R-49
  • Ducts and air handler located inside conditioned space or duct leakage to outside of less than 4 CFM25/100 ft2 CFA
  • Furnace efficiency at or above 97% AFUE

Whole Home Tier II – $700

  • HERS rated
  • Air sealing at or below 4 ACH at 50 Pa
  • Ducts and air handler located inside conditioned space or duct leakage to outside of less than 4 CFM25/100 ft2 CFA
  • Furnace efficiency at or above 95% AFUE

NEW OPTION: Stack the savings and stack the cash in your pocket! Layer water heating and/or smart thermostat rebates on top of the Whole Home Tier I or Tier II rebate.

Example 1:

Whole Home Tier I$900
Tier I Tankless Water Heater$325
Smart Thermostat$100
Total Potential Rebate$1,325

Example 2:

Whole Home Tier II$700
Smart Thermostat$100
Total Potential Rebate$800

Intermountain Gas Energy Efficiency Program Whole Home Rebates

Homes with a start date before April 1, 2021, (start date determined by building permit date), must meet the WHOLE HOME package criteria as listed below. Rebate applications must be submitted by September 30, 2021.

WHOLE HOME PACKAGE (for new construction) DESCRIPTION REBATE AMOUNT
Energy Star® Certified Home with a Home Energy Rating Score (HERS) of 75 or less Energy Star Verified Home with Natural Gas Space and Water Heat $1,200

HERS Score Explained

The HERS (Home Energy Rating System) Index is the standard for measuring a home’s energy efficiency. It is a nationally recognized system and homes are inspected by an independent, certified home rater. And when it comes to the HERS score, remember, the lower the score, the better! Check out this video to learn more. or visit the interactive HERS Index demonstration here.

resnet hers index

Intermountain Gas Energy Efficiency Program
Contact Information:

Email: [email protected]

Phone: 208-377-6840 – Treasure Valley

800-548-3679, Opt. 4  – all other areas