Lucy L.
11/12/2025
Elaine Mak and QCS offered amazing customer service and support for my parents and helped them to apply and receive a FREE new fridge and washer. She was patient, friendly, and extremely responsive.
Quality Conservation Services
Open
(43)
Photos
1820 Arnold Industrial Way Ste I
Concord, CA 94520
Quality Conservation Services is a utility-funded company based in Concord, CA, offering free energy-saving improvements and installations to participating households. They provide a range of services for various California utilities, catering to all types of housing and income levels, ensuring confidentiality of all collected information.
With state licensing and insurance, Quality Conservation Services specializes in HVAC services, weatherization assistance, attic insulation, duct testing and sealing, plumbing, appliance replacement and upgrades, as well as home battery backup installation.
Generated from the website
Also at this address
Reviews
2.543 reviews
Eileen L.
10/21/2025
Elaine Mak Energy Specialist from QCS helped my parents get a new fridge that they desperately needed to replace. She assisted us with the whole process from beginning to end and was available to...
Michelle L.
10/5/2025
Elaine Mak Engery Sepecialist from QCS help me enrolled PGE program, I received Free brand new refrigerator, Elaine is very patient, knowledgeable and follow up with me all the time thank you,I...
Anderson H.
6/27/2025
Elaine did a good job in assisting my parents in upgrading their refrigerators, changing out the old ones left by previous homeowners. I did not work with her directly, but I only heard good...
Renee L.
1/6/2025
Elaine was very helpful in installing my refrigerator and shower head. She is responsive, patient, and detail-oriented and answered all the questions we had. Without a doubt, I 100% recommend...
See a problem?
