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 Miami, FL
Coldharbour Heating & Air is the Miami HVAC company built for the way this city actually lives: air conditioning that runs 3,000+ hours a year, salt air that eats outdoor coils, and humidity that turns a two-day AC outage into a mold problem. We repair and install systems across Miami’s concrete-block homes, high-rise condos, and older ranch houses, and every job starts with a written price before any work begins. If your system won’t cool or your furnace won’t light, call (850) 810-1910 and a live person answers, day or night.
Why Miami Homes Are Different
Miami’s housing stock works against HVAC equipment in ways you won’t see in Tampa or Orlando. Most homes are concrete block and stucco, often with flat roofs and utility closets squeezed into floor plans that weren’t designed for modern air handlers. Ductwork runs through unconditioned attics where condensation forms daily from May through October, and in older neighborhoods like Coral Gables and Coconut Grove, galvanized ductwork in crawl spaces sweats so heavily that insulation stays wet and grows mold. Technicians have found mushrooms inside duct insulation in those homes. The only permanent fix is removing the old duct and replacing it with closed-cell foam.
Salt air adds another layer. Within a mile of the coast, condenser coils and fins corrode roughly twice as fast as inland systems. We stock corrosion-resistant replacement coils specifically because Miami jobs fail differently than they do twenty miles west. Daily afternoon thunderstorms bring power surges that knock out capacitors and control boards, which is why we carry those parts on the truck, not in a warehouse across town.
Styles & brands we work with
Our Main Miami Services
Miami homeowners call us most often for two things: an AC that stopped cooling in the middle of a humid afternoon, and a furnace that won’t light on one of the few genuinely cold nights we get. Those two services, plus full system replacement, each have their own Miami page with detailed pricing and timelines.
AC Repair in Miami
When a Miami AC fails, the clock starts immediately. A system down for 48 hours in 80°F dew-point weather can push indoor humidity high enough to trigger mold growth behind walls and inside ductwork. Our AC Repair in Miami page covers the full breakdown of what goes wrong, what it costs, and how fast we can get there. Most repair calls in Miami involve refrigerant leaks, failed capacitors, or clogged condensate lines, and we diagnose on the spot with a written price handed to you before the first tool comes out.
Furnace Repair in Miami
Miami furnaces sit idle for ten months, then get asked to run on a 45° January morning. Condensation, rust, and dust buildup are the usual culprits when they won’t start. Our Furnace Repair in Miami page explains what fails, what the repair costs, and the exact guarantee we put in writing. The 365-Day Done Right Promise applies to every furnace repair we do: if it fails inside a year, we return and make it right at no charge.
AC Installation in Miami
Replacing an AC in Miami means sizing for humidity removal, not just temperature drop. An oversized system cools the air fast but leaves it clammy. Our AC Installation in Miami page covers load calculations, corrosion-resistant equipment options for coastal homes, and exactly what a new system costs in this market. Every installation gets a written, fixed price before we order equipment, and we handle the permit paperwork and utility rebate forms for you.
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 Miami
Our technicians are trained to service nine major residential HVAC brands, including York, Daikin, and American Standard, so whichever system is already in your Miami home, the technician who shows up can work on it. We carry common parts for these brands on our trucks, which means fewer second trips. See our brands for the full list.
See the difference
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Here are the price ranges we typically see across Miami jobs. Every figure includes parts and labor, and you’ll get a written, itemized price before we start, not after we’re done.
| Service | Typical Range in Miami |
|---|---|
| AC repair (diagnostic + common fixes) | $175 – $765 |
| Furnace repair (diagnostic + common fixes) | $175 – $825 |
| AC installation (full system replacement) | $4,130 – $8,850 |
| Tune-up (preventive maintenance visit) | $95 – $235 |
What pushes a Miami job toward the high end of those ranges is usually geography and age. Coastal homes within a mile of salt water often need corrosion-resistant coils or full condenser replacement rather than a simple repair. Older 1950s-era homes may need electrical panel upgrades or duct replacement before a new high-efficiency system can run safely. Whatever the job turns out to be, the price is written down and handed to you before the first tool comes out. It does not change at the door.
Neighborhoods We Serve in Miami
Our crews work throughout Miami, from the coastal condos of Brickell and Edgewater to the tree-lined streets of Coconut Grove and the ranch homes of Westchester. We know which neighborhoods have original 1960s ductwork, which buildings have tight utility closets that choke airflow, and where HOA rules require specific equipment placement.
- Coral Gables
- Coconut Grove
- Brickell
- Westchester
- Kendall
Service Area – Cities Near Miami
While this page focuses on Miami proper, our crews also serve the surrounding communities. If you’re in Miami Beach, FL or Hialeah, FL, the same written-price policy and 365-Day Done Right Promise apply. Call (850) 810-1910 and a live person will tell you exactly when a technician can arrive.
Serving Miami, FL - Our Local Coverage Area
We’re based in the Miami 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 Miami
We dispatch repair calls the same day across most of Miami, with emergency calls answered by a live person 24/7, even during summer thunderstorms when half the city’s capacitors blow at once. Call (850) 810-1910 and we’ll give you a firm arrival window, not a vague “sometime today.”
For full system replacements, yes. Miami-Dade County requires permits for mechanical work, and HOAs in many buildings have their own equipment placement rules. We pull the permits and handle the paperwork on every installation. Repairs generally don’t need a permit.
Every repair we do, whether it’s an AC capacitor in Brickell or a furnace igniter in Kendall, comes with a written guarantee valid for 365 days. If that repair fails within the year, we come back and fix it at no charge. The guarantee is on paper before the technician leaves, not something you have to ask about.
If your system needs attention or you want an exact quote for your Miami home, call (850) 810-1910. A live person answers, the estimate is free, and the price you’re given is the price you’ll pay. Victor Mancini and our Miami crew stand behind every job with the Kingswell Guarantee: the price first, the arrival window second, and the guarantee in writing before we leave.
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 Miami Customers Say
"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"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."
- Celeste Ngo"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."
- Brett Haygood