Get matched with top thermostat installers and replacers in El Cerrito, CA

"Replaced 38 year old gas furnace, duct work and installed new smart thermostat. Anthony was very helpful and explained everything clearly. The 3 technicians did the work in 8 hours and cleaned up everything carefully. Anthony also cleaned my insert fireplace pilot light and helped me start the pilot light as a bonus! Highly recommend Perfect Star."

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers? needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Overall experience was average. First day of installation was okay until I find out half of the house did not have power. Edgar came back the next day and explained the cause and fixed it with ease. Was getting push back about how everything was installed as it was and there shouldnâ t be any issues, well there was and he graciously came back and fixed the problem. I would definitely use this company in the future."

"Gilberto was professional and quick to schedule and fix door. He arrived on time, was an excellent communicator, and fixed the external door that wouldn’t close. Would definitely recommend and will hire for future projects! Thank you, Gilberto!!"

"I had an excellent experience with Kevin Cervantes at Real Handy Handyman. I made an inquiry through Angie's list for a handyman who could either repair or replace my sliding screen door leading to my patio. Kevin called me right away. He said that he would like to look at the screen door first to see if he could repair it to save me money. Kevin came over on the scheduled date right on time. He looked at the screen and made some calls to see if he could find parts for it but ultimately decided it would be better to replace the screen door, which was also my preference. David arranged for a screen company to come out and measure and install a new screen door. He did not even charge me for his time and labor even though I offered to pay him. Kevin is thoughtful and meticulous. I know that I can trust him to do quality work whenever I need anything done."

Since 1999, Hassler Heating and Air Conditioning has helped East Bay homeowners stay comfortable with energy-efficient heating and cooling solutions built to last. We specialize in full system replacements, heat pumps, ductless mini-splits, and high-performance home upgrades designed to lower energy costs and improve year-round comfort.\n\nHomeowners choose Hassler for honest recommendations, expert system design, and clean, professional installations. Whether you need a fast repair or a complete system upgrade, our team focuses on long-term solutions—not quick fixes.\n\nServing Alameda, Contra Costa, and Marin counties, we’re committed to doing the job right the first time, with quality workmanship you can trust.\n\nCall today for expert service and a smarter, more efficient home.

At TRIO Heating, Air & Plumbing, our mission is clear: to provide top-tier heating and air conditioning services while focusing on exceptional customer experiences, employee happiness, and environmental responsibility. We are dedicated to delivering outstanding service that ensures our customers are satisfied and our team is motivated.

"Air Quality Heating & Air Conditioning replaced my 60 year old plus heating system in November 2020 with a new Carrier furnace, new Carrier air conditioning unit along with new ducts and vents. The owner Matt is a stand up guy, a straight shooter who can be trusted and one that also provided me with good options and literature for my project. In addition, Matt's crew did a fantastic job of completing my job on time with high quality and at a very fair price. The workmanship was outstanding, the workers cleaned up at the end of each day and were very courteous. I highly recommend Matt's company and crew for any of your HVAC needs as I am an extremely pleased customer."

"Did not acquire the automobile so the services were not needed. However, the company was very responsive with a comprehensive bid and an appropriate followup. I would give them the opportunity to bid again should the need arise again in future."

"Very well.  Fast and easy service.  Technician was very professional and competent.  No drama.  Came on time. Installed Fan.  Paid and thanked him and he left.  Fan works great. <br />"