THERMWISE APPLIANCE REBATES Questar Gas is offering rebates to install high-efficient appliances in your home. Installing these appliances could reduce your energy usage and show significant savings on your monthly bill. Appliances Requirements Rebate ENERGY STAR Clothes Washer MEF 1.72 - 1.99 (must have gas water heat) $50 ENERGY STAR Clothes Washer MEF 2.0 or higher (must have gas water heat) $75 High-Efficiency Gas Dryer Moisture Sensor included $30 High-Efficiency Storage Water Heater EF 0.62 or higher (minimum 40 gallons, 75,000 Btu/hr or less) $50 Tankless Gas Water Heater EF 0.80 or higher $300 High-Efficiency Gas Furnace AFUE 90% or higher $300 High-Efficiency Gas Boilers AFUE 85% or higher $400 Solar Assisted Gas Water Heating Must be Active and Certified OG-100 by SRCC Solar Assisted Gas Water Heating FAQs Supplemental Application Required $750 To apply for ThermWise Appliance Rebates: Print, complete and mail the Thermwise Appliance Rebates Application.