United Heating & Air Conditioning

Orange County service area

HVAC Services in Irvine, CA

Irvine's master-planned villages mean housing built in well-defined waves — and HVAC systems that age in waves with them. Entire neighborhoods of Northwood and Woodbridge are hitting equipment replacement age together. United Heating & Air Conditioning serves all of Irvine's villages.

  • 25 Years in Business
  • 24/7 Emergency Service
  • CA C-20 License #1094200
  • Parts & Labor Guarantee
  • Lifetime Guarantee
  • Discounts Available

A contractor that knows Irvine

Newer villages like Great Park bring the opposite work: high-efficiency systems under builder warranty that need correct, documented maintenance. We handle both ends of Irvine's HVAC lifecycle with 25 years of experience.

Local insight

Irvine's village-by-village construction waves mean we often replace the same builder-grade equipment across a neighborhood — we know these systems' exact weak points before we open the panel, and HOA architectural requirements are routine for us.

Why Irvine 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
United Heating & Air Conditioning comfort advisor reviewing system options with homeowners at their kitchen table

Licensed C-20 work in Irvine — honest recommendations, guaranteed results, since 2001.

HVAC services available in Irvine

HVAC Emergency in Irvine?

No heat. No cooling. No waiting until morning.

We answer 24 hours a day, 7 days a week — nights, weekends, and holidays — across Irvine 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 Irvine — common questions

Our whole Irvine neighborhood was built at once — does that matter for HVAC?

Very much. Builder-grade systems installed together fail together — if your neighbors are replacing equipment, yours is likely close behind. A maintenance inspection tells you where your system actually stands so you can plan.

Do you handle Irvine HOA requirements for equipment replacement?

Yes — Irvine's HOAs commonly have placement, screening, and noise requirements for outdoor equipment. We've worked within these rules across the city's villages for years.

Need HVAC service in Irvine?

Call (818) 817-6005 — 24/7, including emergencies — or send the form and we'll get back to you fast.

Call (818) 817-6005

CA C-20 License #1094200 · 25years in business · Parts & labor guarantee

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