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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 

Custom: $1/therm saved
Water Heater: $50-$100 or $2/kBtu/hour input
Condensing/Hybrid Water Heater: $350
Clothes Washer: $50-$75
Furnace: $200-$400
Boiler: $2-$3.25/kBtu
Tankless Gas Water Heater: $2/kBtu
Unit Heater: $1.25-$6/kBtu
Infrared Heating System: $5/kBtu
Programmable Thermostat: $25
Boiler Outside-Air Reset Control: $250
Boiler Tune-up: up to $300
Low-Flow Pre-Rinse Spray Valve: $25
Commercial Fryer: $500
Steam Cooker: $1,000
Convection/Gas Combination Oven: $500 - 1,000
Griddle: $300
Windows: $0.28-$0.37/sq. ft.
Increased Roof Insulation: $0.04-$0.16/sq. ft.
Wall Insulation: $0.03-$0.12/sq. ft.


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.