Gene Hertel
Had the heater replaced as well as replacing the ducts. Joe and his team did a fine job and the new system is keeping the house warm. We're also looking forward to the AC in the summer for the first time.
Business ProfileHVAC Companies in Fremont, California
Giant HVAC, Inc
Giant HVAC, Inc
Giant HVAC, Inc. is a residential heating and cooling company serving Fremont and the greater San Francisco Bay Area. Owner Jose “Joe” Novelo founded the company in 2018. Its work includes repairs, installations and indoor comfort solutions.
Last Updated October 2, 2026.
Business Highlights
- The company is family-owned and operated.
- The company is a Carrier Factory Authorized Dealer.
- The company is fully licensed, bonded and insured.
- The company says it is dedicated to meeting California Title 24 energy-efficiency requirements.
- The company says all work it performs is backed by a company warranty.
Service Area
Alameda County, Campbell, Dublin, Fremont, Hayward, Los Altos, Los Gatos, Menlo Park, Milpitas, Morgan Hill, Mountain View, Newark, Palo Alto, Pleasanton, San Jose, San Leandro, San Mateo, Saratoga, Sunnyvale and Union City.
Active Business Listing
Giant HVAC, Inc is one of 6 HVAC companies ProsGrade lists in Fremont, California.
Active
Public local listing
Listing details
10 services listed, including AC repair, Furnace repair and Emergency HVAC repair. Open Monday to Saturday. Rated 4.9 from 61 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Giant HVAC, Inc compares with the other 5 HVAC companies on ProsGrade in Fremont, using public Google ratings and review counts.
- One of 6 Fremont HVAC companies on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
10 services- AC repairCarrier systems and all major makes and models
- Furnace repair
- Emergency HVAC repair
- Heat pump repair
- Preventive maintenanceRoutine maintenance plans
- HVAC installation and replacementElectric and gas furnaces, heat pumps, wall heaters, AC units and ductless AC systems
- Duct leakage testing and repair
- Ductwork repair and replacement
- Smart thermostat installation
- Indoor air quality services
Reviews
What customers say
Customers appreciate clear communication and detailed answers. A customer also praised an installation crew that arrived on time, worked efficiently and left everything spotless.
Customer Reviews
Sophia Tian
Called for helping remove old furnace. Great communication over the phone and text. The crew come in the next morning and finished in an hour. Reasonable price. Very friendly owner and crew members. Recommend!!
Pola Alas
Thanks Joe and Team!
We recently had a whole house fan installed along with a split AC unit for each half of our home, and we could not be happier with the results! From start to finish, the service was absolutely exceptional. Communication was clear, timely, and professional, every question we had was answered in detail, and we always felt informed about the process.
The installation team arrived right on time, worked efficiently, and left everything spotless when they were done. The whole house fan has been a game changer for quickly cooling the house in the evenings, while the split AC units keep each side of the home perfectly comfortable no matter the temperature outside.
If you’re looking for top-quality equipment combined with outstanding service and installation, I can’t recommend them enough. This was truly a 5-star experience from start to finish!
brandt frankie
Joe and his crew were great. He gave me several good options for my HVAC replacement, even one that allowed me to keep my current gas furnace. Joe was on time and responsive. He answers all my questions no matter how trivial. I will likely have more work done with him the future.
J T
Huge thanks to Joe for coming to the rescue with our HVAC! Super friendly and down-to-earth, he explained what was wrong and sorted it out quickly. The house is finally comfortable again, and we're so grateful. Working with Joe was a breeze - he's efficient, reliable, and just awesome. So thankful for the help!
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Frequently Asked Questions
Does Giant HVAC offer financing?
Financing options for HVAC services are available through Hearth.
What happens during an in-home consultation?
A specialist evaluates the current system, discusses the homeowner’s goals and recommends options. The in-home consultation and estimate are free.