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 Lake Mary, FL
Halden Heating & Air is the HVAC company Lake Mary homeowners call when a two-story executive home stops cooling in July or a 1990s Carrier finally gives out after one too many summer thunderstorms. We handle AC repair, AC installation, and furnace repair across Lake Mary, FL, with written pricing before any work starts and a live person answering the phone 24/7. Call (850) 695-3178 and you’ll get a real human, not a voicemail tree.
Why Lake Mary Homes Are Different
Lake Mary is dominated by fast-growing master-planned communities and 1980s-2000s suburban homes, many with aging original HVAC systems now entering end-of-life. These systems were often sized for a different era, and today they’re frequently undersized for the heat loads and humidity levels we deal with here. That’s not a minor detail. An undersized system runs longer, pulls more power, and still can’t hit the set temperature on a 95-degree afternoon.
What really sets Lake Mary jobs apart is the housing stock. We’re in two-story executive homes with 2,500 to 4,500+ square feet, multiple HVAC zones, and high ceilings that demand precise airflow balancing. That’s a very different job than a single-story Orlando bungalow. In neighborhoods like Heathrow and Magnolia Plantation, many original Trane and Carrier systems from the 1990s are still running, and we see repeated capacitor and contactor failures tied directly to lightning strikes from Lake Mary’s frequent afternoon thunderstorms. Add in Central Florida’s long, humid cooling season, and the work comes down to two things: real dehumidification and surge protection that actually holds up.
Styles & brands we work with







Our Main Lake Mary Services
These are the calls we get most from Lake Mary homeowners. Each service has a dedicated page with local pricing and the exact details of the work.
AC Repair in Lake Mary
Most Lake Mary AC repair calls start the same way: the system is running but not cooling, or it won’t start at all after an afternoon storm. Common culprits in this area are failed capacitors from power surges, refrigerant leaks in systems that have been running hard for 10+ years, and clogged drain lines from the humidity. We diagnose the exact failure, put the repair price in writing before any work begins, and handle brands like Carrier, Trane, Lennox, and Goodman. Every repair carries a written guarantee, and if it fails within the coverage window, we come back at no charge. AC Repair in Lake Mary covers pricing, same-day availability, and exactly how we handle storm-related failures.

AC Installation in Lake Mary
AC installation in Lake Mary is often about right-sizing, not just swapping a unit. Many homes here still run original 1990s and early-2000s systems that were sized before today’s heat loads, and two-story layouts with multiple zones need a load calculation done properly, not a guess from a salesperson. We quote new systems from $3,500 to $7,500, give you a fixed written price before ordering any equipment, and schedule a set install date. No same-day promises on installation, because proper replacement in a Lake Mary two-story is a planned job, not an emergency patch. AC Installation in Lake Mary walks through sizing, equipment options, and what the install day actually looks like.

Furnace Repair in Lake Mary
Furnaces don’t work as hard in Lake Mary as they do up north, but when a cold snap hits in January, a dead furnace gets urgent fast. Most furnace repairs here run $150 to $700, with common issues being failed igniters, bad limit switches, and control boards damaged by power fluctuations. Whether it’s a gas furnace in a 2000s home or an older system that’s been neglected, we diagnose it, write the price, and complete the repair with a written guarantee. Furnace Repair in Lake Mary covers typical failures, real pricing, and emergency service.

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 Lake Mary
We service Carrier, Trane, Lennox, and Goodman systems across Lake Mary, and our trucks carry common parts for those brands so most repairs don’t wait on a supply house. See our brands for full coverage details. If we don’t have the part on the truck, we tell you when it’ll arrive and keep you updated.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Lake Mary, FL
| Service | Typical range in Lake Mary |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up | $80 – $200 |
Two things push prices up in Lake Mary: the size of the homes and the age of the systems. A repair on a two-zone executive home with a 20-year-old system is going to run higher than a single-zone ranch, simply because there’s more to diagnose and more to fix. Whatever the number, it lands in writing before any tool is picked up.
Neighborhoods We Serve in Lake Mary
We work throughout Lake Mary, from the original 1980s neighborhoods off Lake Mary Boulevard to the newer luxury developments around Heathrow and Magnolia Plantation. Most Lake Mary calls can be scheduled within one business day, with emergency service available around the clock.
- Heathrow
- Magnolia Plantation
- Timacuan
- Lake Mary Woods
- Crystal Lake Estates
Service Area – Cities Near Lake Mary
Halden Heating & Air serves Lake Mary and the surrounding communities. That includes Winter Springs, FL, Winter Park, FL, Goldenrod, FL, and Apopka, FL. If you’re not sure whether we cover your street, call (850) 695-3178 and ask. Dispatch and scheduling run through our South Florida office, and our crews work locally in the Lake Mary area.
Serving Lake Mary, FL - Our Local Coverage Area
We’re based in the Lake Mary 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 Lake Mary
Most Lake Mary calls are scheduled within one business day, and we offer 24/7 emergency service for AC failures, furnace breakdowns, and anything that leaves your home unsafe or uncomfortable. You’ll get a live arrival time you can track to your door, not a vague four-hour window. Call (850) 695-3178 and we’ll tell you exactly when a tech will arrive.
Some Lake Mary HOAs require visible units to meet placement and appearance standards, particularly in master-planned communities like Heathrow and Magnolia Plantation. A repair typically needs no approval, but a full AC installation or outdoor unit replacement may. We can guide you through what your HOA needs, and on installation jobs we’ll factor it into the plan before any equipment is ordered.
Every repair we complete in Lake Mary comes with a written guarantee, and if that repair fails within the coverage window, we return at no charge. That’s the 365-Day Done Right Promise: a full year of accountability on every completed job, with the terms in writing before the work begins, not buried in fine print after it’s done.
For an exact quote on any HVAC work in Lake Mary, call (850) 695-3178. Estimates are free, and the price is in writing before any work starts.
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 Lake Mary Customers Say
"Good work. Arrival was later than the first estimate, but the tracker updated live."
- Brad H."New AC install. Quotes arrived in the app with three options. Install was done in a day."
- Tonya S."Filter advice was useful and free. He showed me which filter size to buy and how often to swap it."
- Flora V.