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Go With The CO!

Not All Hero's
Wear Capes.

Have no fear — COHEN is here to save the day. Whether you're too hot or too cold, you'll be treated like family with fast, friendly service by the best of the best.

Call (925) 339-3787 See Services
Tri-ValleyLivermore & neighbors
Family-OwnedTreated like family
Lic. #1105472Licensed & insured
What We Do

Air Conditioning, Heating & More

Serving Livermore and the Tri-Valley with expert repair, maintenance, and replacement for every system in your home.

Air Conditioning

Repair, tune-ups, and AC replacement across the Tri-Valley. We diagnose fast and get you cool.

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Heating & Furnace

Furnace repair, seasonal maintenance, and new installs so you stay warm all winter long.

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Water Heaters

Tank and tankless water heater service, repair, and installation — done right and to code.

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Install & Replace

Full equipment installs, duct work, gas lines, and electrical circuits — done right the first time.

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On The Job

Cohen Air In Action

Lifting a new AC unit onto a Tri-Valley rooftop. This is what same-day install looks like.

Cohen Air ready for anything
Cohen family on a job site install
Three generations of the Cohen family in front of the Cohen Air van
Authorized York Dealer

York Systems.
Installed Right.

York is one of the most trusted names in HVAC. As an authorized York dealer, Cohen Air handles the full install — sizing, placement, wiring, and commissioning — so your new system runs the way it was engineered to.

York rooftop HVAC unit installed by Cohen Air on a commercial flat roof
Two York package units installed on a residential rooftop by Cohen Air
York rooftop package unit closeup installed by Cohen Air
Brand new York unit mounted on curb by Cohen Air
Call for a York Quote See Install Services

Brands We Also Install & Service

Rheem AC, Heat Pumps & Water Heaters
Carrier Residential HVAC
Lennox Residential HVAC
Trane Residential HVAC
Daikin Mini-Splits & Heat Pumps
Bryant Residential HVAC
American Standard Residential HVAC
Goodman Residential HVAC
Amana Residential HVAC
Ruud AC, Heat Pumps & Water Heaters
Mitsubishi Electric Mini-Splits & Heat Pumps
LG Mini-Splits & Heat Pumps
Nick Cohen, owner of Cohen Heating and Air
Meet The Owner

Your comfort is our mission.

Greetings to our valued community! When comfort challenges arise, take solace in knowing that COHEN is just a call away, ready to restore balance to your environment. Whether the sun's heat has you sweating or winter's chill has you shivering, Cohen Heating and Air is dedicated to ensuring that every client feels like an integral part of our family.

Our commitment isn't just about fixing issues — it's about delivering an unparalleled experience. With a team trained to provide swift, courteous, and expert service, we guarantee solutions that stand the test of time.

FamilyOwned & operated
FastSame-day when possible
TrustedLic. #1105472
Get In Touch

Serving Livermore & The Tri-Valley

Based in Livermore, CA — we proudly serve the greater Tri-Valley with HVAC service, repair, and installation.

Let's talk.

Call for fast service or drop us an email and we'll get right back to you.

Map of Cohen Air service area centered on Livermore, CA Open in Google Maps
FAQ

Questions Homeowners Ask Us

Straight answers from a family-run HVAC team. Don't see yours? Give us a call.

When should I have my heating and cooling equipment serviced?
Your HVAC systems should be serviced before the start of each heating and cooling season. So, your air conditioner should have regular maintenance performed at the end of winter or beginning of spring, while your heat pump or furnace should have its regular maintenance performed at the end of summer or beginning of fall.
How often should I replace my HVAC air filters?
Your air filters should be replaced every one to three months depending on usage. This is vitally important to the performance of your HVAC systems and your indoor air quality.
How important is my indoor air quality?
The short answer? So important! Your indoor air quality can be as much as 100 times worse than the outdoor air. That means pollutants, allergens, dust, and mildew can be circulating in your home affecting your family's health and wellbeing. Improving and maintaining your indoor air quality is vitally important to your home and family.
What are the benefits of a programmable thermostat?
Installing a programmable thermostat in your home helps you take control of how much energy you use for heating and cooling. If used effectively, a programmable thermostat can help you improve energy efficiency and save money on your utility bills.
What should I do about my frozen AC?
When your AC freezes up, either inside or at the outdoor unit, you have a problem. When your AC is frozen, you could subject your system to serious damage if it isn't addressed promptly.
How do I know when it's time for an AC replacement?
Many homeowners have a difficult time deciding whether to keep pouring money into their aging air conditioning system for costly repairs or to upgrade to a new, more efficient AC.
What's wrong with my noisy air conditioner? Can I fix it myself?
First things first, you shouldn't attempt to fix your noisy air conditioner on your own! Unless you have professional knowledge of HVAC electrical system layouts and the proper meters to test all the working components of your AC, you are putting yourself and your air conditioner at a significant risk for harm.
What is dual zone air conditioning?
A dual zone air conditioning system is a network of thermostats and duct dampers that regulates the amount of cooled air each zone (one or more rooms) receives throughout the day. Zoning technology allows homeowners to cool only the occupied areas of living space at any given time or to set different temperatures in different areas of the home.
How can I lower my electric bill this summer?
Money is always a big concern for homeowners all over the country — but how can you lower your electric bill this summer without sacrificing comfort? There are a few things you can do to lower your energy usage, from raising the temperature to closing the curtains.
When should I replace my furnace?
There are a number of factors that contribute to needing a furnace replacement. How old is your furnace? If it's over 10–15 years old, it's likely time for a furnace replacement — simply because this will improve your energy efficiency. Other factors include: how well it's heating your home, how often it requires repairs, how much it costs to heat your home, etc.
Do I really need a furnace cleaning every year?
Yes! Not only does a furnace cleaning improve the performance and efficiency of your system, most manufacturer warranties require annual service to maintain the warranty.
What do I do when the heat goes out?
We have a few tips on what you should do when the heat goes out, including layering your clothes, calling the power company, and more. Give us a call and we'll help you get heat back fast.

Ready to feel comfortable again?

Call for fast, friendly service — or send us an email and we'll get right back to you.

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