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 estimateFast, Reliable AC Installation Across Santa Monica
AC installation in Santa Monica typically costs $3,500 – $7,500, and the single biggest variable in this city is salt air. Your condenser coil lives outdoors, and within six blocks of the ocean the marine layer eats standard aluminum coils 2 – 3 times faster than it does in Culver City or West Hollywood. That means a good Santa Monica install is not just about picking a unit size. It is about choosing components that survive the coast, and scheduling work around the fog cycle. We serve every corner of Santa Monica, from Ocean Park to Sunset Park to the Wilshire-Montana corridor, and we answer the phone around the clock at (213) 531-5904.
Why Cold Harbour Heating and Air Los Angeles Is Santa Monica’s Preferred AC Installation Company
We are an independently owned and operated member of the Kingswell network, founded in 2003, and the crew that rolls up to your Santa Monica building arrives in uniform, background-checked, and trained on the system you actually have, whether that is a 1970s wall furnace or a modern ducted heat pump. Victor Mancini runs the team, and the standard he set is simple: a written price before any work begins, a firm arrival window, a clean job site, and a guarantee on paper. Santa Monica customers have put that standard through its paces, and our repeat work along the coastal strip speaks to how it holds up.
Santa Monica’s building stock is unusual. Mid-century courtyard apartments, rent-controlled units with tight mechanical closets, rooftop package units exposed to full ocean weather, and single-family homes north of Wilshire with crawl spaces and limited attic access. A company that only installs new systems in suburban tract homes will not know what to expect when a 1920s fourplex in Ocean Park needs a replacement condenser hoisted to the roof. We do, because we work those buildings regularly. When you call, a live person answers, and we schedule a real arrival window, not a four-hour guess.
We do not invent urgency. We do not bait with a low number and bump it at the door. The written quote we hand you before a tool comes out is the number you pay. That is the Kingswell Way, and it is the only way we work in Santa Monica or anywhere else.
Styles & brands we work with







Furnace Installation in Santa Monica
Furnace installation in Santa Monica is common even in a mild coastal climate, because the housing stock leans heavily on older heating equipment that was never designed for modern efficiency or current clearance codes. A full furnace installation in Santa Monica, including removal of the old unit and any needed duct or vent work, runs $3,500 – $7,500 depending on what the existing setup looks like. Many Santa Monica apartments still use wall furnaces or floor furnaces from the 1950s and 1960s. In rent-controlled buildings especially, a furnace replacement is not a simple swap, and the first step is knowing what you are actually dealing with.
Wall Furnace Replacement in Older Apartments
A wall furnace that has been heating a Santa Monica unit since the Eisenhower administration is likely out of compliance with current clearance codes. Replacing one often means cutting back combustible materials, reframing a section of wall, and sometimes upgrading the gas line. We handle that as part of the installation, and the price you are quoted includes the code work, not just the box.
Rooftop Package Unit Replacement
Flat-roofed courtyard buildings in Santa Monica frequently pair heating and cooling in a single rooftop package unit. When that unit dies, the replacement has to be craned or carried up, set on a curb that may need resealing, and connected to existing duct penetrations. Salt air adds another layer: we inspect the curb and roof flashing for corrosion damage while we are up there, because a new unit on a rotted curb is a leak waiting to happen.
HVAC Installation in Santa Monica
HVAC installation in Santa Monica covers the full heating and cooling picture, and on a coastal lot that picture includes humidity, salt, and ductwork that may be decades old. A complete HVAC installation in Santa Monica, with new condenser, air handler or furnace, and any duct modifications, falls in the $3,500 – $7,500 range. The exact figure depends on whether we are installing a split system for a single-family home north of Montana, a multi-zone mini-split for a courtyard apartment, or replacing a rusted rooftop package unit on a rent-controlled building.
Heat Pump and Mini Split Installations
Many Santa Monica buildings were never designed for central AC. Mini-split and heat pump systems are often the only practical way to add cooling without tearing out walls or running ductwork through a crawl space that barely fits a person. We install these regularly in Sunset Park and Ocean Park, where the mix of small lots and older construction makes ducted systems an expensive forced fit. The write-up we give you includes a load calculation based on your actual unit size, window orientation, and insulation, not a rule-of-thumb guess.
Duct Evaluation and Coastal Humidity
When we install a new system in Santa Monica, we look at what the ducts are doing. High coastal humidity causes duct sweating in crawl spaces and tight mechanical closets, and that moisture breeds mold and sags insulation. If your ducts are saturated, replacing the unit without addressing the ducts is a half-job. We price duct work as a separate line item on the written quote, plainly, so you can see exactly where the money goes.
Trusted Brands We Service in Santa Monica
Our technicians are trained to install and service nine major residential HVAC brands, and on Santa Monica jobs we commonly work with Goodman, Rheem, York, and Daikin equipment. What matters here is not just the brand name on the cabinet; it is the coil coating. We stock parts and order coastal-spec units for Santa Monica customers so you are not waiting a week for a condenser rated for ocean exposure. If you are replacing an existing system, we match the new equipment to what the building already has, and we explain the warranty terms in writing before we install anything. AC Installation is the core of what we do, and it is done with parts suited to the climate, not whatever is on the truck.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Santa Monica Homes
- Condenser coil failure within 5 – 7 years. Salt air near the beach corrodes standard aluminum coils fast. Rooftop package units in Ocean Park and along Ocean Avenue are the most exposed; we regularly see units that are less than a decade old with coils that look like they have been in the water. A corrosion-resistant coated coil is not an upsell here, it is the difference between a system that lasts and one that leaks refrigerant in year six.
- Asbestos in 1950s floor and wall furnace duct wrap. Older Santa Monica apartment buildings often have asbestos-containing tape or wrap on original furnace ducting. Replacement requires abatement before we can install new equipment, and that adds time and cost. We flag it in the written quote so there are no surprises.
- Seismic retrofit and rent-control constraints on rooftop work. Soft-story retrofits and building permits in Santa Monica mean rooftop equipment changes sometimes need structural sign-off. We coordinate that paperwork and scheduling, because a crane on a narrow Ocean Park street is not a casual thing.
- Duct sweating and mold in tight mechanical closets. Coastal humidity collects in enclosed spaces. If your mechanical closet smells musty, the duct insulation is probably saturated. We address that during installation, not after you notice mold on the wall.
Pricing for AC Installation in Santa Monica, CA
Here is the honest range for Santa Monica, in writing, before any work begins:
| Service | Typical Range in Santa Monica |
|---|---|
| AC Installation (full system) | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
What moves the number on an AC installation in Santa Monica is access. A ground-level condenser behind a single-family home in Sunset Park is straightforward. A rooftop package unit on a 1920s courtyard building in Ocean Park, with limited crane access and a curb that needs resealing, costs more. A mini-split with multiple indoor heads runs toward the middle of the range. Corrosion-resistant coil coatings add a line item, and in Santa Monica they are line items worth paying. Our estimate is free, it is written, and it does not change at the door. Call (213) 531-5904 and we will price your exact building.
We Also Serve Cities Near Santa Monica
Our crews run local routes through Marina del Rey, Culver City, Beverly Hills, and West Hollywood, and we apply the same written-price standard on every job. If you live near the Santa Monica border and need AC Installation in Santa Monica, call us and we will schedule a firm arrival window. Dispatch and scheduling are coordinated from our Los Angeles office, and the technicians who show up are the ones who know coastal equipment.
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 AC Installation in Santa Monica
Twice a year. In Santa Monica’s marine air, a standard salt-wash cleaning every six months is the minimum to keep standard aluminum coils from corroding prematurely, and units within a few blocks of the ocean may need it quarterly in late summer. Call (213) 531-5904 and ask about a maintenance plan if your system lives near the beach.
Yes, if you are within roughly a mile of the coast. A standard coil on a rooftop package unit in Ocean Park can fail in 5 – 7 years; a factory-applied anti-corrosion coating typically doubles or triples that life. The added line item is usually $300 – $800 depending on the unit, and in Santa Monica it pays for itself in avoided refrigerant leaks and compressor replacement.
Usually not without modification. A wall furnace and a central air system use different distribution, and many Santa Monica rent-controlled units also have asbestos-containing duct wrap that must be abated before new equipment goes in. A mini-split is often the practical route, and we can quote both options with the permit work included. Call (213) 531-5904 for a written estimate.
That depends on square footage, window orientation, and insulation, and a courtyard apartment with afternoon sun on the west wall needs more capacity than the same footprint on the shady north side. We run a load calculation on every installation, not a guess. For most Santa Monica units, a 1.5 – 2.5 ton mini-split or small split system covers it, and the written quote shows the calculation.
Yes, frequently. Santa Monica’s rent-control and seismic retrofit ordinances mean rooftop package unit changes and any structural penetration often require city permits and sometimes structural review. We pull the permits and coordinate the inspections as part of the installation; the cost shows as a line item on your written quote. Call (213) 531-5904 and we will tell you exactly what your building needs.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air, serving Santa Monica since 2003.