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Giant HVAC, IncHVAC contractor in Fremont, CA

Giant HVAC, Inc is an HVAC contractor at 43012 Christy St, Fremont, CA 94538, rated 4.9 from 59 Google reviews. Open Monday to Friday.

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Call (510) 624-4268Website ↗

Key facts

Key facts about Giant HVAC, Inc
Address43012 Christy St, Fremont, CA 94538Get directions
Phone(510) 624-4268
Websitegiant-hvac.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.9 from 59 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Fremont and 11 towns within 25 miles: Newark, Milpitas, Union City, East Palo Alto, Sunnyvale, Mountain View, Palo Alto, Santa Clara, Los Altos, Stanford and Menlo Park.

Based in Fremont, CAView on map

Opening hours

Opening hours for Giant HVAC, 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.

Reviews

ContractorsRanked reviews

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Google

4.9from 59 Google reviews

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Questions about Giant HVAC, Inc

What are Giant HVAC, Inc’s hours?

Giant HVAC, 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 Giant HVAC, Inc serve?

Serves Fremont and 11 towns within 25 miles: Newark, Milpitas, Union City, East Palo Alto, Sunnyvale, Mountain View, Palo Alto, Santa Clara, Los Altos, Stanford and Menlo Park. 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 Giant HVAC, Inc?

Giant HVAC, Inc has a rating of 4.9 from 59 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 Giant HVAC, Inc?

Call Giant HVAC, Inc on (510) 624-4268. The business is at 43012 Christy St, Fremont, CA 94538. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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