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Contact Us

For general questions about ThermWise® programs call Questar Gas 1-800-323-5517.
Business hours are Monday through Friday, 7 a.m. to 6 p.m. (MST).
Or email us at ThermWise.Administrator@Questar.com.

HOME ENERGY PLAN
To schedule an In-Home Energy Plan call 1-888-324-3221.
Business hours are Monday through Friday, 8 a.m. to 5 p.m. (MST).
Or email us at: In-HomePlan@ThermWise.com.

To request a do-it-yourself Mail-In Energy Plan call 1-888-324-3221.
Business hours are Monday through Friday, 8 a.m. to 5 p.m. (MST).
Or email us at: Mail-InPlan@ThermWise.com.

THERMWISE AUTHORIZED CONTRACTORS
For questions about ThermWise Authorized Contractors, call 1-801-324-5118 or email us at Authorized.Contractors@ThermWise.com.

MULTIFAMILY PRE-INSPECTIONS
To schedule a multifamily pre-inspection, please contact a ThermWise Representative
at 1-801-324-5118 or email us at Multifamily@ThermWise.com.

REBATES
For more information about your rebates contact the ThermWise Rebate Hotline at
1-855-499-8442, Monday through Friday, 8 a.m. to 6 p.m. (MST).



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