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A-1 Guaranteed Heating & Air, IncHVAC contractor in American Canyon, CA

A-1 Guaranteed Heating & Air, Inc is an HVAC contractor in American Canyon, CA, ranked #20 of 320 HVAC contractors in American Canyon and rated 4.9 from 236 Google reviews. Open Monday to Friday.

American Canyon, CAUpdated 0 paid placements in any rankingHow we rank

Call (707) 674-5874Website ↗

Key facts

Key facts about A-1 Guaranteed Heating & Air, Inc
Phone(707) 674-5874
Websitea-1guaranteed.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.9 from 236 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Windowsadditional Google category
  • Insulationadditional Google category

Service area

Serves American Canyon and 12 towns within 25 miles: Concord, Bay Point, Pleasant Hill, Martinez, Contra Costa Centre, Waldon, Benicia, Clayton, Pittsburg, Walnut Creek, Saranap and Lafayette.

Based in American Canyon, CAView on map

Opening hours

Opening hours for A-1 Guaranteed Heating & Air, Inc
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

A-1 Guaranteed Heating & Air, Inc compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A-1 Guaranteed Heating & Air, Inc (this business)—594.9 (236)—NoNo
Galaxy Heating & Air Conditioning#18594.8 (370)—YesYes6.2 mi
Cyclone Air Systems Inc#21584.9 (109)—YesYes2.8 mi

See all 320 ranked HVAC contractors in American Canyon

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 236 Google reviews

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Questions about A-1 Guaranteed Heating & Air, Inc

How is A-1 Guaranteed Heating & Air, Inc ranked in American Canyon?

A-1 Guaranteed Heating & Air, Inc is ranked #20 of 320 HVAC contractors in American Canyon by CR Score, with 59 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are A-1 Guaranteed Heating & Air, Inc’s hours?

A-1 Guaranteed Heating & Air, Inc is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does A-1 Guaranteed Heating & Air, Inc serve?

Serves American Canyon and 12 towns within 25 miles: Concord, Bay Point, Pleasant Hill, Martinez, Contra Costa Centre, Waldon, Benicia, Clayton, Pittsburg, Walnut Creek, Saranap and Lafayette. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about A-1 Guaranteed Heating & Air, Inc?

A-1 Guaranteed Heating & Air, Inc has a rating of 4.9 from 236 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact A-1 Guaranteed Heating & Air, Inc?

Call A-1 Guaranteed Heating & Air, Inc on (707) 674-5874. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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