Orange County service area
HVAC Services in Orange, CA
The City of Orange protects one of Southern California's largest historic districts — and Old Towne's Victorian and craftsman homes need HVAC work that honors that. United Heating & Air Conditioning brings 25 years of historic-home experience to Orange.
- 25 Years in Business
- 24/7 Emergency Service
- CA C-20 License #1094200
- Parts & Labor Guarantee
- Lifetime Guarantee
- Discounts Available
A contractor that knows Orange
Beyond the Plaza, Orange spreads into postwar neighborhoods and the newer hillside homes of Orange Park Acres and Santiago Hills, each with their own systems and seasons. We serve the whole city.
Local insight
Old Towne Orange homes demand invisible HVAC — systems routed through attics and closets, mini-splits placed discreetly, and zero damage to historic fabric. It's careful work we genuinely enjoy.
Why Orange 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 Orange — honest recommendations, guaranteed results, since 2001.
HVAC services available in Orange
HVAC Emergency in Orange?
No heat. No cooling. No waiting until morning.
We answer 24 hours a day, 7 days a week — nights, weekends, and holidays — across Orange 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 Orange — common questions
Can you add modern HVAC to an Old Towne historic home?
Yes — respectfully. Attic-routed systems, high-velocity small-duct designs, and discreet ductless placements all deliver modern comfort without compromising the home's historic character.
Do you also serve the newer hillside neighborhoods of Orange?
Yes — Orange Park Acres, Santiago Hills, and the eastern hillsides, where larger newer homes run zoned systems that we service and maintain routinely.
Need HVAC service in Orange?
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
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