Orange County service area
HVAC Services in Anaheim, CA
Anaheim spans more HVAC variety than any city in Orange County — historic Colony District craftsman homes, vast 1960s–70s tract neighborhoods, and the hillside homes of Anaheim Hills with their own warmer microclimate. United Heating & Air Conditioning serves all of it.
- 25 Years in Business
- 24/7 Emergency Service
- CA C-20 License #1094200
- Parts & Labor Guarantee
- Lifetime Guarantee
- Discounts Available
A contractor that knows Anaheim
Anaheim Hills runs noticeably hotter than the flatlands, and its larger two-story homes work their systems hard. Meanwhile the city's older central neighborhoods are full of equipment past its prime. Two different cities, HVAC-wise — we know both.
Local insight
Anaheim Hills' canyon heat and two-story floor plans create the county's classic upstairs-cooling struggle — we solve it with zoning, duct corrections, and properly sized equipment rather than the 'just crank it' approach that drives bills up.
Why Anaheim calls United Heating & Air Conditioning
- 25 years serving LA & Orange County
- Licensed C-20 HVAC contractor
- 24/7 emergency response
- Parts & labor guarantee
- Lifetime guarantee on installations
- Discounts available — ask when you call

Licensed C-20 work in Anaheim — honest recommendations, guaranteed results, since 2001.
HVAC services available in Anaheim
HVAC Emergency in Anaheim?
No heat. No cooling. No waiting until morning.
We answer 24 hours a day, 7 days a week — nights, weekends, and holidays — across Anaheim and all of Los Angeles County and Orange County.
Licensed & Accountable
A state-licensed contractor that stands behind the work
United Heating & Air Conditioning holds the CA State Warm-Air HVAC License C-20 #1094200 — the California license classification specifically for warm-air heating, ventilation, and air conditioning. 25 years in business, every job covered by our parts & labor guarantee, and our installations backed by a lifetime guarantee.
- 25 years serving LA & Orange County
- 24/7 emergency availability
- Parts & labor guarantee
- Lifetime guarantee on our installations
HVAC in Anaheim — common questions
Why is the upstairs of my Anaheim Hills home always hot?
Two-story homes with a single system and no zoning fight physics all summer — heat rises and the thermostat downstairs is satisfied first. Zoning dampers, return-air corrections, or a dedicated upstairs solution all fix it; we'll tell you which fits your house.
Do you service older homes in the Anaheim Colony district?
Yes — historic district homes are familiar work for us, including first-time central air designs and equipment that has to fit older construction without damaging it.
Need HVAC service in Anaheim?
Call (818) 817-6005 — 24/7, including emergencies — or send the form and we'll get back to you fast.
Call (818) 817-6005CA C-20 License #1094200 · 25years in business · Parts & labor guarantee
Request service online
Takes 30 seconds. We respond fast — 24/7.

