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Installation services
We help you save money by saving you energy. To learn more about free upgrades you may qualify for, call us toll free at (866)794-5129.
Qualifying customers may receive free upgrades that save you energy, gas, water, and money on your bills.
Weatherization Crew
Qualifying customers may receive new Energy Star clothes washers and other energy-saving appliances (pending application & home inspection)!
Installation Crew
Qualifying customers may receive new refrigerators and other energy-saving appliances (pending application & home inspection)! Call us today
QCS 2015 Contractor of the Year for PG&E's ESA Program!
Inside the refrigerator
Quality Conservation Services HVAC Contractor

Quality Conservation Services (QCS) is licensed and insured to provide FREE energy-saving services under contract to local utilities. Through programs offered by Pacific Gas & Electric, Southern California Gas, Southwest Gas Company, and Southern California Edison, we provide income-qualified households with free attic insulation, weatherization, LED lights, HVAC upgrades and repairs, and more. All of our services and installations are provided at no cost to the homeowner, renter, or landlord.

Website: qcsca.com

Phone: (866) 794-5129

Cross Streets: Near the intersection of Wattis Way and Corey Way/Utah Ave

Closed now

  • Sun Closed

265 Wattis Way South San Francisco, CA 94080 ·2346.51 mi

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Reviews

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Lily L. 07/22/26

We are very grateful for the assistance of Senior Energy Conservation Specialist Elaine, who helped us successfully apply for a refrigerator and washing machine. She was not only friendly and...

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Peter S. 05/23/26

Elaine Mak, Energy Specialist, did an excellent job for us. She got us a new refrigerator, had it installed, along with 2 new shower faucets installed, and many new low energy light fixtures. She...

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Norelyn T. 03/26/25

Elain Mak was our agent and she was very good to be straight forward and to the point. She instructed and assisted with the whole process from beginning to end. We were able to replace our...

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Jacqueline M. 02/22/22

I had the pleasure of meeting Alvis Armenta and Gonzalo Mayorga. They came to weather proof our house. We had a very large electric bill and they came to show us how to cut it in half. It was very...

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