Heating, cooling and indoor air
HVAC in Irvine, California
Irvine HVAC Company keeps homes, communities and commercial spaces across Irvine comfortable with HVAC repair, installation, maintenance, ductwork and indoor air quality services.

16 HVAC servicesHomes, communities and businesses.
A local HVAC resource
Comfort you notice. Workmanship you do not have to think about.
Most people only think about heating and cooling when something feels wrong: an upstairs bedroom that stays warm after sunset, a furnace that clicks but never lights, a utility bill that keeps creeping up. Those observations often point to the cause faster than any guess.
We serve homeowners, property managers and businesses throughout Irvine, from Woodbridge and Northwood to Portola Springs and Great Park. Whatever the size of the building, the goal is a system that runs the way it was designed to run.
What we do
Heating and cooling services for Irvine homes and buildings
From a single air conditioning repair to a full HVAC system installation, every service has its own page with symptoms to watch for, what the work typically includes. Here are the services Irvine residents ask about most often.

Air Conditioning Repair
Warm air, short cycling, ice on the lines or a unit that will not start. A careful diagnosis looks for the cause behind the symptom.
Explore Air Conditioning Repair
Furnace Repair
No heat, a burning smell or a furnace that lights then shuts off. Safe, methodical diagnosis for gas furnaces.
Explore Furnace Repair
HVAC System Installation
Properly sized heating and cooling systems for Irvine homes, planned around your rooms, ducts and comfort goals.
Explore HVAC System Installation
Preventive HVAC Maintenance
Seasonal tune ups that catch weak parts early, keep airflow clean and help your system run quietly.
Explore Preventive HVAC Maintenance
Heat Pump Repair
Heat pumps that will not switch modes, run constantly or ice over. Diagnosis for both heating and cooling operation.
Explore Heat Pump Repair
Ductless Mini Split Installation
Targeted comfort for bonus rooms, garages, offices and additions without running new ductwork.
Explore Ductless Mini Split Installation
Commercial HVAC Service
Heating and cooling service for offices, retail spaces and light commercial buildings, scheduled around your operations.
Explore Commercial HVAC Service
Indoor Air Quality Testing
Measure humidity, particles and ventilation clues so improvements are based on data, not guesswork.
Explore Indoor Air Quality TestingTypical repair sequence
From first question to final test
Good HVAC work is mostly about sequence. Rushing to a part swap skips the steps that reveal the real problem. A typical repair moves through these stages.
01. Listen
What you have noticed, when it started and which rooms are affected.
02. Measure
Electrical readings, airflow checks and refrigerant data show what is happening inside the equipment.
03. Explain
Findings and options explained in plain language before work begins.
04. Verify
Running the system after a repair or installation confirms it performs as it should.

Homes, communities and businesses
Residential and commercial HVAC under one roof
For homeowners
Repairs, seasonal preventive HVAC maintenance, smart thermostat installation and duct work that helps every room feel the same.
For property managers and businesses
Coordinated multifamily HVAC service, rooftop HVAC unit repair and commercial HVAC service scheduled around residents, tenants and operating hours.
Straight answers
Repair or replace: questions to weigh
The answer depends on your equipment. These practical questions help frame the decision.
Age and condition
A newer system with one failed part is usually worth repairing. An older system with several worn components may not be.
Cost of the repair
When a single repair, such as an AC compressor replacement, approaches a large share of a new system, replacement deserves a serious look.
Comfort today
If rooms have never balanced or the system is loud and short cycling, a properly sized HVAC system installation can fix problems a repair cannot.
Irvine through the year
Planning HVAC care around the Irvine calendar
Irvine sits a short drive from the coast, so homes here see mild winters, warm inland afternoons and the occasional dry, gusty spell. That mix means air conditioning does most of the heavy lifting, while furnaces and heat pumps sit idle for long stretches and then need to work on the first cool night.
A simple rhythm works well: a cooling check in spring, a heating check in fall and a filter change whenever dust builds up after windy weather. Many neighborhoods also have attic ducts and upstairs bonus rooms, which is why air duct sealing and ductless mini split installation are worth knowing about.

Where we work
Serving neighborhoods across Irvine
Our service area covers the Irvine neighborhoods listed below, from Shady Canyon and Turtle Ridge to Great Park and Portola Springs.
- Shady Canyon
- Hidden Canyon
- Orchard Hills
- Turtle Ridge
- Turtle Rock
- Laguna Altura
- Great Park
- Northwood Pointe
- Quail Hill
- Lower Peters Canyon
- Woodbury
- Stonegate
- Portola Springs
- Northwood
- Westpark
- Woodbridge
- Walnut
- University Park
- Town Center
Common questions
Answers before you reach out
A few of the questions Irvine homeowners and managers ask most. There are more on our FAQ page.
Read all FAQsDo you work on both homes and commercial buildings?
Yes. We serve homeowners, property managers, multifamily communities and commercial spaces such as offices and retail units, including rooftop equipment.
How do I know whether to repair or replace my system?
Useful factors include the age of the equipment, the cost of the repair, the condition of other major parts and how well the system keeps you comfortable.
What should I check before asking for a repair?
Confirm the thermostat is set to the right mode and temperature, check that the filter is not clogged and look for a tripped breaker. If a breaker trips again after one reset, leave it off.
How often should my HVAC system be serviced?
Once a year is a sensible baseline for most homes. Systems that run heavily, homes with pets and commercial equipment may benefit from more frequent visits.
Tell us what your system is doing
Share what you are noticing and which part of Irvine you are in, to start the conversation about next steps.