Your Trusted
Partner in HVAC.
Reliable heating and cooling solutions for homes, businesses and communities across Southern California.
Book Your Appointment TodayComplete HVAC Solutions
From comfort at home to large-scale commercial projects, U M Air Inc. delivers quality, efficiency and long-term value.
Residential Services
Comfort you can count on. Expert repair, new systems, preventative maintenance and indoor air quality solutions for your home.
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Commercial Services
Reliable HVAC solutions for offices, retail, restaurants and more.
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Multifamily Services
HVAC maintenance, repairs and system upgrades for multi-unit communities.
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Design Build Services
We design and build your next project. A complete HVAC partner from concept to completion.
Learn MoreJoin the U M AIR Family
Our membership plans are coming soon. Exclusive benefits, priority service and greater savings, rolling out shortly.
Contact Us for UpdatesWe're finalizing our membership plans and will be rolling them out soon. Check back for details on priority scheduling, exclusive discounts and more.
More Than a Company.
A Family.
For over 15 years, our family has been committed to delivering reliable HVAC solutions with integrity, hard work and a personal touch. We are not a distant corporation. We are a family-owned business, and our name is on every job we do.
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Our Work
Proudly Serving Southern California
We provide HVAC solutions across Southern California, including Los Angeles, Orange, Riverside and San Diego counties.
Comfort Today. A Stronger Tomorrow.
Let U M Air Inc. be your trusted partner for reliable, efficient and long-lasting comfort across Southern California.
Frequently Asked Questions
Answers about AC repair, installation, and heating service from your Southern California HVAC team.
What areas do you service?
We proudly serve HVAC customers throughout Southern California, including Los Angeles, San Diego, Orange County, and the surrounding communities.
Do you service both residential and commercial properties?
Yes. U M Air Inc. serves both residential and commercial customers throughout Southern California, from single-family homes to multi-family and commercial properties, with the same hands-on, customer-first approach either way.
How often should I service my HVAC system?
We recommend servicing your HVAC system at least once a year, typically in the spring for AC and in the fall for heating. Regular maintenance helps improve efficiency, prevent breakdowns, and extend the life of your system.
What are the signs my AC needs repair?
Common signs include weak airflow, unusual noises, warm air instead of cool, rising energy bills, or frequent cycling. If you notice any of these, it is a good idea to schedule an inspection.
How quickly can you repair my AC?
We offer fast appointment scheduling for most AC repairs, with priority handling for no-cool emergencies.
Is it better to repair or replace an old AC unit?
If your system is over 10 to 12 years old and needs a major repair, replacement is often more cost-effective long term. We will give you an honest recommendation either way.
How long does a new AC installation take?
Most residential AC installations take one to two days, depending on the size of the system and any ductwork adjustments needed. We will give you a clear timeline before work begins.
Do you offer financing through Service Finance?
Yes, we partner with Service Finance to offer flexible financing options, so you can spread the cost of your new HVAC system or repair into manageable monthly payments.
Do you offer a warranty on your work?
Yes, all of our installations and repairs are backed by a workmanship warranty, in addition to any manufacturer warranties on parts and equipment.
What is U M Air Inc.'s contractor license number?
U M Air Inc. is fully licensed under California Contractor’s License #C-20 1050013.