A-1 Guaranteed is a family-owned and operated business that serves HVAC and Solar Services Serving All Of Solano, Napa and Contra Costa Counties, Fairfield, Vacaville, and the Bay Area with Heating and Air Conditioning, Solar, Tankless Water Heaters, Windows, Insulation and/ or Duct Replacement needs. As one of the premier service businesses in the area, we have helped thousands of satisfied, loyal customers improve the energy efficiency of their homes and offices. We are available Monday through Friday and by appointment on Saturday.
Since A-1 Guaranteed began as a business, we have grown to be one of the most trusted heating and air conditioning service businesses in the areas of Solano, Napa, and Contra Costa Counties. We have gained experience and knowledge from putting our name on thousands of installations and repairs, and our customers gain from our working knowledge of the latest technology in heating and air conditioning. Our reason for existing is the basis of our company philosophy: We work to provide service to our customers.
Tankless water heaters are the "next big thing" across the Bay Area, and for good reason. Heating water in our homes for bathing, cooking and other uses accounts for about 30% of a home's total energy usage, so it's easy to see why people are very interested in conserving as much of that energy as possible. If you have a home with multiple people or you have a large tub to fill, this product is for you! One of the biggest reasons people are attracted to the idea of installing a tankless water heater in their homes is the fact that heated water will then be available "on demand".
There is a lot to be said of the benefits of keeping up with regular maintenance on your air conditioning system. It is important for homeowners to call on A-1 Guaranteed Heating & Air's service experts to come out and perform preventative maintenance on systems - this will not only keep the units in good, operating condition, but potentially save homeowners hundreds of dollars on operating costs. Our technicians are highly qualified to provide the very best air conditioning service, repair, and installation in the area.
A-1 Guaranteed is recognized for our outstanding dedication to our customers and our loyalty to professionalism in the HVAC industry. We offer services such as installation, replacement, repair, maintenance, and troubleshooting of furnaces, heat pumps, baseboard heaters, radiators, boilers, and other types of heating. When it comes to air conditioning, we provide high quality, professional workmanship with air conditioning handlers, evaporator coils, the air conditioning compressor outdoors, and we also work on vents and ducts as well.
If you are looking for ways to improve the energy efficiency of your home or office, integrating solar power could be a great option. A-1 Guaranteed is proud to offer solar power solutions to customers throughout the Bay Area. Right now is the best time to go solar. Energy costs are on the rise with an average inflation rate of 7%. Installing solar can save you up to 50% or more on electrical expenses and is like prepaying for electricity. Currently, there are Federal Solar credit up to 30% available (for a limited time).
A-1 Guaranteed is your #1 resource for air conditioner tune up and/OR furnace tune up. Our comprehensive tune-ups handle every aspect of your air conditioning and/OR furnace units, all for just $159.00.
Mar 25, 2022
We have used A-1 for inspection, service issues and a repair. They have always tried to accommodate our needs in a timely manner. The repair we needed was scheduled for the next day but got bumped up to same day!
We count on this Company's support!
I did not research the cost of Freon and I am choosing not to after the repair. It's very expensive!
Happy the problem is solved.
Feb 10, 2022
A-1 Guaranteed Heating,etc. in Vallejo (707-712-8082) recently installed a 2 stage furnace in my home. Kirk Schlichting visited, estimated the cost, and patiently and fully explained the process & equipment. He answered my additional questions by return phone call or e-mail. Kenya Davis in the office followed w/scheduling & other issues quickly and thoroughly. The office even handled the rebate paperwork for me. The install team was on time, cleaned uo ,
I suggest you interview them yourself when considering heating systems.
Jan 28, 2022
My furnace started to fail during this cold season. It's about 15years old and requested for a free estimate for a replacement. This review was for Kirk S, who came and did a great job. Straightforward, no hassle. He is a pro to this stuff. He is not pushy when it comes to Sales and that's a good thing! They even have payment plans, since we all knew that this is quite an investment for years to come. It's needed, can't complain with that. Great communication! He emailed me the quote, within 10mins after leaving my place! I was ready to roll for a new one. However, the next day, my heater is back in action. I texted Kirk that it worked again, but as soon as this eventually gives up, A1 will be my first choice for installation! Great local business who stands up to what they had started! Thanks Kirk! Hopefully this will last me through this winter! But if ever, I am confident, that when it's time, A1 will always be there to warm up the day! Or even cool a hot day! Thank you for making our lives comfortable! See you again next time!
Nov 25, 2021
Unbeknownst to me the pilot light on my water tank went out the day before Thanksgiving. I called A-1 early Thanksgiving morning before 7am as I am a platinum member and left a message. I was called back less than 10 minutes later and their on call service rep was at my house less than 45 minutes later to put the pilot light on. I signed up 2 1/2 years ago for their $40 a month service post getting a new water tank from A-1. Definitely worth the money to get same day service on a holiday! Total cost today - $3!
Oct 29, 2021
I've had both a new central heater and air conditioner installed by A1. The quality of workmanship on both jobs was excellent, they showed up on time and knocked out the jobs with a minimum of mess and impact to our home. Diane in the office is highly responsive and a pleasure to work with, and has since sent me copies of my paid invoices for my records when I lost my copies. I would recommend them to anyone seeking a replacement or addition of AC or Heating equipment.
Oct 27, 2021
I've been with A-1 for about 10 years and it's been mostly uneventful. I had my annual inspection about a month ago and it went smoothly. However this weekend I noticed it getting extremely hot in the middle of the night even though thermostat was set at 68 deg.
I called A-1 and got a next day appointment. Brian came (on time) and worked very hard and long and fixed the (complicated) problem. He was extremely pleasant and got the job done.
Since I have the A-1 service plan, this long , complicated repair cost me only 28.00.
Had been dreading dealing with this issue but it went really well!
Sep 29, 2021
Company is pretty great. We had a heatpump installed and a emergency gas shut off valve. The work was done over two days. Guys were incredibly friendly and professional. They wore masks. They would come and ask questions if there were different options on how to do things. They cleaned up after themselves, provided context and information if or when it was missing. I can say I've never dealt with folks who work in HVAC, but these folks were fantastic.
Jul 21, 2021
We got a new HVAC installations from A-1. The Fujitsu they installed was very good. The good thing with this is, we don't have a furnish anymore. The Fujitsu took care of the cooling and heating of the home. The installation crew was very professional, friendly and they did a great job. We will highly recommend A-1 to our family and friends.
Jun 03, 2021
We have been customers with A1 for over 35 years. Each job and upgrade they have completed for is is handled perfectly. One furnace had an odd vibration that just could not be locate. One day the installer shows up and says he has an idea what was causing vibration. He did his magic and found the problem, a simple fix was the answer.
Today Brian came by for the semi-annual checkup. He knows where everything is. No issues. Will see him in December.
A-1 is the best there is and they are a longtime local business that does a lot in the community.
Apr 22, 2021
We had many issues revolving around how our previous contractor installed our original furnace, duct work and registers; it was our first house, and we had the work done by an aquanitance who really did not know what they were doing. In addition to the furnace and the water heater being not being vented properly, the configuration of the return air plenum was such that the system was working very inefficiently. Our consultant Kirk, diaganosed all these issues and gave us a reasonable quote. This was a win in itself as we were "ghosted" by the other contractors who came out and surveyed the job.
A-1 replaced all the furnace duct work, re-configured the return air plenum, replaced all registers and reconfigured locations as needed, solved our complex venting issues and installed a new water heater.
Everyone associated with A-1 showed up on time, were friendly, professional and neat. The installers were accessible and friendly and were able to answer any specific questions or concerns about the process. Kirk was also quick to reply if we had any concerns.
Even after the installation, anyone who came to inspect the work, whether it be from the city or third-party energy compliance folks, always, gave us unsolicitated feedback on how great the job looked.
Later on we had an issue with the water heater. I emailed Kirk and A1 and they got back to me immediately. They send out a foreman first thing next morning and after a through diagnosis and troubleshooting it turned out the Water Heater itself was defective. The water heater was still under warranty, and they were able to install it ASAP for free with very little disruption to our household.
We highly recommend A-1 for all your HVAC needs!
Family-owned and operated—you can trust us when it comes to fixing your HVAC issues! Visit our website today to lea… https://t.co/QqZFOrtPJF
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Did you know that we offer solar, heat pumps, heat pump water heaters and more? California is aiming to eliminate c… https://t.co/yGeanYjV5I
Today we are filming an infomercial to be shown on KRON4. It will be a couple weeks before you can see it so here’s a sneak peak!
PLEASE SHARE. Fast paced established HVAC company is seeking a Dispatcher/Customer Service Representative. A-1 Gua… https://t.co/LiQBCDpqfV
Big brother Nick driving and little brother Austin working in the shop on the forklift last week.
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