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American Service AllianceHVAC contractor in Garden Grove, CA

American Service Alliance is an HVAC contractor at 10517 Garden Grove Blvd, Garden Grove, CA 92840, ranked #21 of 1,374 HVAC contractors in Garden Grove and rated 5.0 from 75 Google reviews. Open 24 hours a day, 7 days a week.

Garden Grove, CAUpdated 0 paid placements in any rankingHow we rank

Call (714) 942-4220Website ↗

Key facts

Key facts about American Service Alliance
Address10517 Garden Grove Blvd, Garden Grove, CA 92840Get directions
Phone(714) 942-4220
Websiteamericanservicealliance.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 75 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Garden Grove and 11 towns within 25 miles: Midway City, Stanton, Westminster, Fountain Valley, Anaheim, Santa Ana, Orange, Cypress, Fullerton, Buena Park and Tustin.

Based in Garden Grove, CAView on map

Opening hours

Opening hours for American Service Alliance
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

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

American Service Alliance compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
American Service Alliance (this business)—625.0 (75)—YesYes
Orange Coast Plumbing#19624.9 (764)—YesYes11.1 mi
Service Champions Plumbing, Heating & AC#20624.9 (6,978)—YesNo11.3 mi
AARD Mechanical Air Conditioning & Heating#22624.9 (547)—YesYes10.6 mi

See all 1374 ranked HVAC contractors in Garden Grove

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 75 Google reviews

Hired American Service Alliance? Write a review

Questions about American Service Alliance

How is American Service Alliance ranked in Garden Grove?

American Service Alliance is ranked #21 of 1,374 HVAC contractors in Garden Grove by CR Score, with 62 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 American Service Alliance’s hours?

American Service Alliance is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does American Service Alliance serve?

Serves Garden Grove and 11 towns within 25 miles: Midway City, Stanton, Westminster, Fountain Valley, Anaheim, Santa Ana, Orange, Cypress, Fullerton, Buena Park and Tustin. 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 American Service Alliance?

American Service Alliance has a rating of 5.0 from 75 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 American Service Alliance?

Call American Service Alliance on (714) 942-4220. The business is at 10517 Garden Grove Blvd, Garden Grove, CA 92840. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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