A -1 Guaranteed Heating & Air Conditioning
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BBB Honor Roll 17 Years NATE Certified Bay Area Certified Green Business Diamond Certified BPI Certified Goldstar Contractor
NATE Certified
EGIA Approved Contractor
Diamond Certified
Wheelchair Accessible: Yes
Friendly, fast and efficient service with a complete explanation of the work performed. Great experience.
A-1 made everything so easy for us it's no wonder they're doing so well! They do great work and are very helpful
Very professional company. It's good to know there are still companies who care about the customer and their professionalism.
I'm a busy person, so it was very convenient that A-1 Guaranteed Heating and Air worked around my schedule. They were flexible and I really appreciate that, that's why I won't use anyone else.
Larry from A-1 Guarenteed Heating & Air was very generous and professional. He went out of his way to make sure the job was done right and we really appreciate and value that. Great work!
The ladies in the office are really nice and friendly whenever they call or if I should call the office. The guys who came out to our home were also very friendly. All the work that they've done has been great and we will continue to do business with A-1 Guaranteed in the future.
A-1 Guaranteed worked around my busy work schedule and was able to have the work I needed done without me being home. They did an excellent job. Thank you!
I made an appointment and they were timely in completing the job. They were also very friendly and easy to talk to. They did an excellent job.
They showed up when they said they would and I like that I was able to talk to the people who could make a decision. They were exceptional. All the things spot on.
I liked that the installation of the furnace was done quickly, efficiently, and their quality of work was excellent. They did not leave any mess behind.
They are nice people and very competent. I have never had a problem with them and I use them regularly (year after year). I really like their quality of service!
The technician was on time and setting the appointment was easy. The installation of the new heater was quick and simple. We had no problems whatsoever and I was pleased with the quality of their work.
I like that I can get an appointment fairly quickly and that they are not pushy about anything. I like them so much that I keep calling them. I have used them three times. Their work is very thorough, which is important.
They took the time to explain, they were very through, and they had great follow-up. It was just a pleasurable experience.
Wonderful service. Family owned and operated, with great support staff. The installers are professional and friendly.
They took great pride in doing the job right. Richard the owner has a motto on his service trucks. "Do the right thing even when no one is looking". Now that's integrity! I highly recommend this company.
As a service provider I know what it takes to please customers. I have been very impressed at the honesty, integrity, and quality of the work A1 provides. Friendly staff that value doing the job right. Richard, the owner has a favorite saying: "Do the right thing even when no one is looking". That inspires confidence, and A1 delivers!
Phone: (925) 391-8512
Address: 1768 Broadway St, Vallejo, CA 94589
Website: www.a-1guaranteed.com