ABC Heating and Air Conditioning
HVAC contractor in Santa Ana, CA.
In ABC Heating and Air Conditioning's own words
Since 1952, ABC Heating and Air-conditioning, proudly owned by Nate Small, has been serving the Orange County community with expert, dependable service. As a long-standing, family-owned business, ABC is dedicated to helping our neighbors stay comfortable year-round. With decades of experience and a team you can trust, we bring personalized care and a commitment to excellence to every job. Whether it’s keeping homes cozy in the winter or cool during the summer, we’re here to make sure your family’s comfort is always our top priority. Choose ABC Heating and Air Conditioning, a company with roots in your community—choose trusted service from Nate Small and his team.
- Trade
- HVAC contractor
- Business address
- 1382 E Edinger Ave B, Santa Ana, CA 92705
- Telephone
- (949) 756-0064
- Website
- abc-hvac.com
- Hours
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- Monday9:00 am - 5:00 pm
- Tuesday9:00 am - 5:00 pm
- Wednesday9:00 am - 5:00 pm
- Thursday9:00 am - 5:00 pm
- Friday9:00 am - 5:00 pm
- Saturday9:00 am - 5:00 pm
- Sunday9:00 am - 5:00 pm
From the business's Google listing, checked Oct 2026
- Register
- CA register
Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.
Google Reviews
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They helped me out last year; Luke and Manny were great!
sara P.
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After hiring a different HVAC repair service who came out…spent about 20 minutes looking at my system and tried to sell me new ducting…..I called ABC through a referral from a good friend who had used them before. It took 2 visits to diagnose exactly what was going on. But during both visits the techs, Manny and Christian spent plenty of time checking everything out. Very thorough. They were able to correctly diagnose the problem on the second visit, order parts, and install those parts all within a few days. HVAC is back to working properly. ABC has a new customer for life! Thanks guys.
Nick S.
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All star team, 5 star experience! I recently got my HVAC replaced because we were having issues getting air (cool or hot) into either of daughters bedrooms on the other side of the house. The system was also like 20 years old. ABC gave it a full inspection, offered a game-plan and provided a reasonable quote. The thing I appreciated most about it was the communication was great, the team worked extremely hard, and my HVAC now works GREAT in all areas of the house. Do yourself a favor and just call ABC. They’ll shoot it to you straight. Honest and talented. Best in the biz!
Conner F.
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Very professional, very punctual, installed a new heater, adjusted dampers to get even heat throughout house. Pleasure to work with
Kendall W.
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We are very pleased with ABC Heating and AC. My neighbor recommended them. I called in the afternoon, and they sent out a technician early the next day. Luke was very professional, polite, personable, and knowledgeable. I asked to watch as he worked, and he patiently explained the issues we had and walked me through the process. He immediately knew what was wrong, and he fixed it very quickly. I would gladly recommend their services to my friends and family.
Robby V.
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On time, very fair price for difficult installation of AC, great follow up and annual service. Highly recommend !
Kathleen M.
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You are best in the business.
Robert M.
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We had the best experience with ABC! Nate and his team installed AC in my house and I have a baby at home and they were so clean, professional and I felt like they were honest and fair with pricing. I have given their number to all of my friends who need HVAC work.
Maribel L.
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ABC techs were professional and polite. Overall great service!
Philip W.
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Highly recommend for commercial properties. They replaced the condenser at my restaurant. They were very professional, on time and organized the crane and the staff. Pricing was very reasonable.
Sergio A.
About ABC Heating and Air Conditioning
ABC Heating and Air Conditioning says it has worked in Orange County since 1952. The family-owned company names Nate Small as its owner and describes its work as heating and air conditioning service for residential and commercial properties.
ABC Heating and Air Conditioning services
The company names HVAC repair, air conditioning repair, installation, and maintenance among its services. It also lists ductless mini-split systems, heating repair, and indoor air quality work. Its website describes 24/7 availability and 24-hour heating repair, alongside the regular daily business hours shown as 9:00 am to 5:00 pm.
ABC says its technicians handle air conditioner installation and maintenance as well as repairs. For heating work, the company says it diagnoses furnace and other heating problems. The business also describes indoor air quality through equipment that moves and purifies air.
Reviews of ABC's Santa Ana HVAC work
ABC Heating and Air Conditioning has a 4.9 rating from 12 reviews. Reviewers most often mention technician professionalism, clear communication, punctual appointments, careful diagnosis, and follow-up after installation or repair.
Several reviews describe work on replacement HVAC systems, new air conditioning, heaters, dampers, condensers, and commercial equipment. They also mention inspections, parts installation, annual service, clean work areas, and assistance with uneven heating or cooling in different rooms. Reviews include comments about pricing, including both positive assessments and comparisons with another contractor's proposed work.
In Santa Ana, utility gas heats 63% of housing units, per the American Community Survey's 2024 figures. NOAA normals for 1991-2020 put the city's average temperature at 65.3 degrees F, with an average high of 75.2 degrees F and average low of 55.4 degrees F.
ABC Heating and Air Conditioning holds California license number 940181.
The company says it provides both residential and commercial HVAC work across Orange County.
Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.
More HVAC contractors in Santa Ana
About Santa Ana
| Population | 315,586 (2025) |
|---|---|
| County | Orange County |
| Average yearly snowfall | 0 inches |
| Heating degree days | 1,102 |
| Most common heating fuel | Utility gas |
Sources: U.S. Census Bureau. NOAA U.S. Climate Normals 1991-2020.