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Questar Gas - Commercial Energy Efficiency Rebate Program

Local Government
State Government
Federal Government
Savings Category 
Clothes Washers
Water Heaters
Programmable Thermostats
Building Insulation
Comprehensive Measures/Whole Building
Custom/Others pending approval
Other EE
Food Service Equipment
Tankless Water Heater
Maximum Rebate 

Custom: 50% of the eligible incurred project cost

Program Info
Sector Name 
Questar Gas
Program Type 
Rebate Program
Rebate Amount 

Food Service Equipment: Varies by type
Clothes Washer/Dryer: $25-$75
Storage Gas Water Heater: $100 or $2/kBtu/hour input
Tankless Gas Water Heater: $2/kBtu
Combined Space/Water Heater: $450
Condensing Gas Storage Water Heater: $350
Furnace: $200-$450
Gas Boiler (hot water): $2.00 - $3.25 per kBtu/hr input
Gas Boiler (steam): Varies
Unit Heater: $1.25-$6/kBtu
Infrared Heating System: $5/kBtu
Modulating Gas Infrared Heating System: $2.50 - $7.50 per kBtu/Hr Input
Boiler Outside-Air Reset Control: $250
Boiler Tune-up: up to $300
Condensing Indirect Fired RTU (rooftop unit): $5.00 per kBtu/Hr Input
Attic Insulation (new construction): $0.04/sq. ft.
Wall Insulation (new construction): $0.03/sq. ft.
Attic Insulation (retrofit): $0.16/sq. ft.
Wall Insulation (retrofit): $0.12/sq. ft.
Windows: varies
Programmable Thermostat: $100
Custom: $1/therm saved


Questar Gas provides rebates to its business customers for installing energy efficient food service equipment, laundry equipment, HVAC and water heating equipment, and certain weatherization measures. Some equipment rebates vary depending on the efficiency level of the equipment. Applications and more details are available through the web site listed above.

The ThermWise Business Custom Rebates Program is a demand-side management (DSM) program offered by Questar Gas with the goal of obtaining verifiable, cost-effective, and long-term natural gas savings. Program participants submit project proposals for a firm quantity of natural gas reduction through the installation of demand-side management measures. After installation, review and approval by Questar Gas, customers will receive $1.00 per therm saved up to 50% of the eligible incurred project cost.