Los Angeles County service area
HVAC Services in Glendale, CA
Glendale runs from dense urban blocks near the Americana up into the foothill neighborhoods of the Verdugo Mountains — and the HVAC needs change with the elevation. United Heating & Air Conditioning has served all of it for 25 years.
- 25 Years in Business
- 24/7 Emergency Service
- CA C-20 License #1094200
- Parts & Labor Guarantee
- Lifetime Guarantee
- Discounts Available
A contractor that knows Glendale
The city's housing spans 1920s craftsman homes in Adams Hill, mid-century houses in Montrose-adjacent neighborhoods, and large condo buildings downtown. Each brings its own heating and cooling challenges, and we've worked on all of them.
Local insight
Glendale's foothill homes deal with both hot summers and genuinely cold winter nights — heating matters here more than in much of LA. We service and replace the furnaces these hillside homes rely on, alongside summer cooling work.
Why Glendale 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 Glendale — honest recommendations, guaranteed results, since 2001.
HVAC services available in Glendale
HVAC Emergency in Glendale?
No heat. No cooling. No waiting until morning.
We answer 24 hours a day, 7 days a week — nights, weekends, and holidays — across Glendale 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 Glendale — common questions
Do Glendale hillside homes need different HVAC consideration?
Often, yes. Foothill properties see colder winter nights and complicated equipment access. We design and service systems with those realities in mind, including proper heating capacity for the elevation.
Can you replace the old furnace in my 1920s Glendale home?
Yes — older Glendale homes are a regular part of our work. We replace aging floor and gravity furnaces with modern, safe, efficient systems sized for the home's actual construction.
Need HVAC service in Glendale?
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.

