A-1 Guaranteed Heating & Air, Inc

A-1 Guaranteed Heating & Air, Inc Providing Heating, AC, Heat Pumps, Windows, Insulation, Tankless and Heat Pump Water Heaters, Air Purification and Electrification

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.

As always, we appreciate your votes
09/12/2026

As always, we appreciate your votes

09/11/2026
Be safe friends.
09/10/2026

Be safe friends.

🔥 It is officially sweltering out there, Bay Area! We definitely felt the heat today as several daily high-temperature records were shattered across the region. San Rafael topped the charts with a scorching 104°F, breaking the old record of 100°F set back in 2015!

Heat like this isn't just uncomfortable; it brings serious impacts. Prolonged exposure can quickly lead to heat exhaustion or heat stroke.

A few quick reminders:

Drink plenty of water, even if you aren't thirsty.

Take frequent breaks in the shade if you have to be outdoors.

Check in on elderly neighbors, pets, and anyone without access to air conditioning.

ICYMI - Heat Advisory remains in effect through Thursday 10 PM.

09/09/2026

A Spare The Air Alert is in effect today, September 9! Protect your health by avoiding outdoor activities during the hottest part of the day, when air pollution levels are highest. Visit sparetheair.org more information.

¡Hay una alerta de Spare the Air (proteja el aire) en vigor el día de hoy, 9/9/26! Proteja su salud evitando las actividades al aire libre durante el momento más caluroso del día, cuando la contaminación del aire es más alta. Visite sparetheair.org para obtener más información.

09/08/2026

SEPTEMBER SAVINGS
$50 OFF ON ANY REPAIR OR SERVICE OVER $300!

FALL INTO SAVINGS ALL MONTH LONG!
CALL TODAY TO MAKE AN APPOINTMENT TO SAVE!

Must present coupon. Cannot be combined with any other offer. Excludes tires & batteries. See store for full details. Expires 09/30/2026.

Did ya think Summer Weather was gone? Nope! Be sure to keep your unit ready for the heatwave. Have you changed your fi...
09/07/2026

Did ya think Summer Weather was gone? Nope! Be sure to keep your unit ready for the heatwave. Have you changed your filters? With leaves starting to fall, have you cleared the area around your outside unit? If you don’t wanna deal with the maintenance yourself, call our office and ask about our Kasey Klub Maintenance Program.

HEAT WAVE: Hot weather is returning to the Bay Area this week with temperatures expected to reach the 90s and 100s in some areas. Here's what to know. ☀️

STORY BELOW:

There are still tickets available for this fun event. Fill your belly, buy some raffle tickets and have lots of fun whil...
09/04/2026

There are still tickets available for this fun event. Fill your belly, buy some raffle tickets and have lots of fun while supporting a great cause.

Address

Services Available In:
Vallejo, CA
94589

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+17076450734

Website

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