DELTA T
HVAC contractor in Anaheim, CA.
In DELTA T's own words
Heating, Air Conditioning, Building Automation
- Trade
- HVAC contractor
- Business address
- 5130 E La Palma Ave #113, Anaheim, CA 92807
- Telephone
- (714) 661-6161
- Website
- deltatusa.com
- Hours
-
- Monday7:00 am - 7:00 pm
- Tuesday7:00 am - 7:00 pm
- Wednesday7:00 am - 7:00 pm
- Thursday7:00 am - 7:00 pm
- Friday7:00 am - 7:00 pm
- Saturday7:00 am - 2:00 pm
- SundayClosed
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
-
Nick is the most professional businessman I’ve had the pleasure to meet. If I had the chance to work for him , I definitely would not pass it up just his knowledge alone makes him a Top Businessman.
ReeferMadd.
-
Nick was absolutely amazing. His quote was fair and honest, and thousands less than some of the others we received. My neighbor recommended Nick, and I'm so happy that we went with Delta T. They finished our entire job in two days, including relocating the HVAC to the attic. We now have a quieter, more efficient system, thanks to Delta T.
Debbie M.
-
Delta T is the best HVAC company around. Nick is honest and knowledgeable. He came in significantly lower than the other bids I got and did a fantastic job. He installed a new a/c unit and relocated our furnace up to the attic so everything is much quieter and cooler at our house now! I highly recommend this company and now many of my neighbors have used him as well!
Krista K.
-
Delta T did a great job. The team was prompt and professional. I highly recommend.
Blake W.
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If you want someone to get the job done right the first time this is right company. Highly recommend Delta T.
Benjamin C.
About DELTA T
DELTA T names heating, air conditioning, and building automation among its work. The company also describes commercial HVAC service for buildings.
DELTA T's commercial heating and cooling work
The company says its heating work includes conventional equipment, heat pumps, hydronic heating, and water-source heat pumps. It also names air conditioning and maintenance for commercial HVAC systems.
Its website frames regular maintenance as a way to support system life and performance. DELTA T says it works in Los Angeles, Orange County, and throughout Southern California.
Anaheim heating and temperature figures
In Anaheim, utility gas heats 68% of housing units, per the American Community Survey for 2024. NOAA normals for 1991-2020 put Anaheim's average temperature at 65.3 degrees F, with an average high of 75.2 degrees F and an average low of 55.4 degrees F.
Rating, reviews, and business hours for DELTA T
DELTA T has a 5.0 rating from 6 reviews. Reviewers most often mention Nick's knowledge and straightforward pricing, along with prompt work and professional conduct.
Several reviews describe replacement or installation work that included moving HVAC equipment or a furnace to an attic. Those reviewers also mention quieter operation after the work, and one describes an installation completed in two days.
DELTA T is open from 7:00 am to 7:00 pm Monday through Friday, with Saturday hours ending at 2:00 pm. The company includes Orange County in the areas it names for its commercial HVAC work.
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 Anaheim
About Anaheim
| Population | 341,008 (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.