Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateHVAC Company in Santa Monica, CA
Coldharbour Heating & Air handles heating and cooling work across Santa Monica, from wall furnaces in 1950s courtyard apartments to central systems in Sunset Park single-family homes. The marine layer keeps summers mild, but salt air, older building stock, and strict local codes make HVAC here different from anywhere else in Los Angeles. If your system is down or struggling, call (213) 531-5904 and a live person will answer, day or night.
Why Santa Monica Homes Are Different
Santa Monica’s housing stock is mostly mid-century apartment buildings and smaller courtyard complexes built between the 1920s and 1970s. A lot of those buildings still run on wall furnaces, floor furnaces, or later-added mini-splits rather than central systems. Single-family homes cluster in the northern neighborhoods, where crawl spaces and limited attic access force technicians to work in spaces that were never designed for modern equipment.
The coastal climate shapes the work in ways inland crews don’t deal with. Ocean breezes and the marine layer reduce cooling demand, so many older buildings never got central air. What equipment does exist sits in salt air that corrodes condenser coils and electrical connections faster than it would ten miles east. High humidity near the water also causes duct sweating and mold problems in buildings that were sealed up decades ago for a different climate.
In Ocean Park and Sunset Park, it’s common to find original 1950s floor furnaces with asbestos-containing duct wrap that must be abated before replacement. Many units still rely on wall heaters that violate current clearance codes. Add in Santa Monica’s rent-control and seismic retrofit ordinances, and HVAC work here often means tight mechanical closets, rooftop package units that must meet coastal corrosion resistance standards, and noise limits that rule out a lot of equipment. It’s a different job than inland Los Angeles, and it calls for a crew that knows the difference.
Styles & brands we work with
Our Main Santa Monica Services
Most Santa Monica homeowners call us for two reasons in a normal year: an AC that quit during a heat spike, or a furnace that won’t light when the marine layer finally gives way to a cold snap. Installations round out the work, and each has its own page below.
AC Repair in Santa Monica
When an air conditioner fails in Santa Monica, the culprit is often salt-corroded condenser coils or an electrical connection that gave out years ahead of schedule. Our technicians arrive ready to diagnose the issue, quote a written price before any work begins, and repair most systems the same day. For the full picture on common failures and what we charge, see our AC Repair in Santa Monica page.
Furnace Repair in Santa Monica
Older Santa Monica buildings lean on wall and floor furnaces that haven’t been made in years. Parts can be slow to source, and clearance code violations are common when systems are finally inspected. We bring the experience to work around both. For details on repairs, pricing, and what the 365-day guarantee covers, visit our Furnace Repair in Santa Monica page.
AC Installation in Santa Monica
Installing central air in a 1950s apartment building or a courtyard complex means working around seismic retrofit requirements, noise ordinances, and tight mechanical rooms. It’s also a chance to upgrade away from dying wall heaters. We quote a fixed price before the install begins and set a firm date. Read more on our AC Installation in Santa Monica page.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Santa Monica
Our technicians are trained on nine major residential brands, and in Santa Monica we regularly work on Goodman, Rheem, and Daikin systems in apartments and single-family homes alike. Common parts are stocked in our local vans, which means most repairs happen on the first visit. See our brands for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Santa Monica, CA
| Service | Typical range in Santa Monica |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| Tune-up | $80 – $200 |
| AC installation | $3,500 – $7,500 |
Salt air corrosion and the age of Santa Monica’s housing stock are the two things most likely to push a repair toward the upper end of these ranges. Corroded coils take longer to clean or replace, and parts for 60-year-old wall furnaces cost more to source than modern equivalents. Whatever the number, you’ll see it in writing before a single tool comes out, and that price will not change at the door.
Neighborhoods We Serve in Santa Monica
We cover all of Santa Monica, from the apartment-heavy blocks south of the 10 to the single-family streets north of Wilshire. Our crews are usually able to reach most Santa Monica addresses within an hour or two of your call.
- Ocean Park
- Sunset Park
- Mid-City
- Pico District
- North of Montana
Service Area – Cities Near Santa Monica
Our crews also serve the communities on Santa Monica’s edges and just beyond. If you’re in Marina del Rey, CA, Culver City, CA, Beverly Hills, CA, or West Hollywood, CA, the same team and the same written pricing apply.
Serving Santa Monica, CA - Our Local Coverage Area
We’re based in the Santa Monica area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Santa Monica
Most Santa Monica calls are reached within one to two hours. We keep trucks stationed locally and dispatch from the brand’s Los Angeles office, so a technician is usually already nearby. Call (213) 531-5904 and we’ll give you a firm arrival window before we hang up.
Yes, many do. Rent-controlled and seismically retrofitted buildings often require permits for installations, and some older buildings need asbestos abatement before a furnace can be swapped. We handle the paperwork as part of the job and will tell you upfront whether your project needs city approval.
We can. Rooftop package units are common in Santa Monica’s courtyard and mid-century apartment buildings, and they must meet the city’s noise limits and coastal corrosion standards. We work with equipment that satisfies both while keeping the installation footprint small for tight mechanical rooms.
If your heat or cooling is down in Santa Monica, call (213) 531-5904. A live person answers 24/7, and your estimate is free.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Santa Monica Customers Say
"AC quit on the hottest day of the year of course. Coldharbour had a tech out that evening, found a bad capacitor, and had us cool again within the hour. Charged the quote, not a penny more."
- Doug Feeney"New mini split for the addition. Clean install, on time two days running, and the price matched the written quote to the dollar."
- Yvonne Prewitt"Thermostat and a weak blower. Fixed both in one visit, explained the guarantee, and didn't leave a mess. I've already recommended them to my neighbor."
- Natalie Esposito