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TRIO Heating, Air & PlumbingHVAC contractor in Palo Alto, CA

TRIO Heating, Air & Plumbing is an HVAC contractor at 209 California Ave, Palo Alto, CA 94306, ranked #7 of 548 HVAC contractors in Palo Alto and rated 4.9 from 145 Google reviews. Open 24 hours a day, 7 days a week.

Palo Alto, CAUpdated 0 paid placements in any rankingHow we rank

Call (415) 903-4148Website ↗

Key facts

Key facts about TRIO Heating, Air & Plumbing
Address209 California Ave, Palo Alto, CA 94306Get directions
Phone(415) 903-4148
Websitetrioheatingandair.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 145 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingbusiness name

Service area

Serves Palo Alto and 11 towns within 25 miles: Stanford, Menlo Park, East Palo Alto, Los Altos Hills, Los Altos, Atherton, North Fair Oaks, Mountain View, Woodside, Redwood City and Sunnyvale.

Based in Palo Alto, CAView on map

Opening hours

Opening hours for TRIO Heating, Air & Plumbing
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

TRIO Heating, Air & Plumbing compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
TRIO Heating, Air & Plumbing (this business)—634.9 (145)—YesYes
Fuse HVAC, Refrigeration, Electrical & Plumbing#5634.9 (1,034)—YesYes11.4 mi
IRBIS Air Plumbing Electrical#6634.9 (1,466)—YesYes14.0 mi
AIS Heating & Air Conditioning#8634.9 (723)—YesYes11.3 mi

See all 548 ranked HVAC contractors in Palo Alto

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 145 Google reviews

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Questions about TRIO Heating, Air & Plumbing

How is TRIO Heating, Air & Plumbing ranked in Palo Alto?

TRIO Heating, Air & Plumbing is ranked #7 of 548 HVAC contractors in Palo Alto by CR Score, with 63 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 TRIO Heating, Air & Plumbing’s hours?

TRIO Heating, Air & Plumbing 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 TRIO Heating, Air & Plumbing serve?

Serves Palo Alto and 11 towns within 25 miles: Stanford, Menlo Park, East Palo Alto, Los Altos Hills, Los Altos, Atherton, North Fair Oaks, Mountain View, Woodside, Redwood City and Sunnyvale. 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 TRIO Heating, Air & Plumbing?

TRIO Heating, Air & Plumbing has a rating of 4.9 from 145 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 TRIO Heating, Air & Plumbing?

Call TRIO Heating, Air & Plumbing on (415) 903-4148. The business is at 209 California Ave, Palo Alto, CA 94306. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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