Dominion Energy - ThermWise Residential Energy Efficiency Rebate Programs

June 20, 2022


ThermWise is a Dominion Energy program that promotes the use of energy-efficient appliances and practices to reduce natural gas usage. Through this program Dominion Energy provides incentives for residential customers who incorporate energy-efficient natural gas equipment into their homes. All equipment requirements must be met in order to participate. These rebates are for Dominion Energy customers only, Dominion does not service all of Idaho, check to confirm your service area before beginning the application. The program application and more details about incentive amounts and efficiency requirements are located on the program website.

Program Overview

Implementing Sector: Utility
Category: Financial Incentive
State: Idaho
Incentive Type: Rebate Program
Web Site:
Administrator: Dominion Energy
Start Date: 3/1/2011
Eligible Renewable/Other Technologies:
  • Solar Water Heat
  • Solar Pool Heating
  • Water Heaters
  • Furnaces
  • Boilers
  • Heat pumps
  • Programmable Thermostats
  • Duct/Air sealing
  • Building Insulation
  • Windows
  • Insulation
  • Tankless Water Heater
  • HVAC
Incentive Amount: Water and Heating
Full equipment details and prices can be found here.
Smart Thermostat: $50
Smart Water Heater Controller: $50
Storage Water Heater: $100
Tankless Water Heater: $300
Condensing Storage Water Heater: $350
Hybrid Water Heater: $350
Solar Assisted Water Heating: $750
Solar Assisted Water Heating (pool): $750
Combined Space and Water Heater: $750
Energy Recovery Ventilation: $300
Dual-Fuel Heating System: $800
Boiler: $400 - $600
Furnace: $300 - $350
Boiler Reset Control: $100
Direct-Vent Gas Fireplace: $200
Combined Space and Water Heater: $750
HVAC Monitoring: $50

Full equipment details and prices can be found here.
Windows: $2.50 per sq. ft.
Wall Insulation: $0.30 per sq. ft.
Floor Insulation: $0.20 per sq. ft.
Attic Insulation: $0.07 - $0.25 per sq. ft.
Duct Sealing and Insulation (Single Family): $100 plus $5.25 per linear foot
Duct Sealing and Insulation (Multifamily): $100 plus $5.25 per linear foot
Air Sealing (Single Family): $200 per job plus $0.12 sq. ft. of conditioned floor
Exterior Insulation: $0.40/sq.ft.
Maximum Incentive: Duct Sealing and Insulation: $450 (Single Family); $250 (Multifamily)
Air Sealing: $850
Exterior Insulation: $800 (Single Family); $400 (Multifamily)
Equipment Requirements: See website for details.


Name: ThermWise Rebates
Organization: Dominion Energy
Address: 2223 S. Highland Dr. #E6-333
Salt Lake City UT 84106
Phone: (877) 932-0610

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.