Furnace & heating
AC repair
Heat pumps
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Carrier
Trane
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Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Installation Across Lake Mary
A new AC system in Lake Mary typically runs $3,500 – $7,500, and most installations are completed in one day. We work throughout Lake Mary every week, from Heathrow to Magnolia Plantation, and we know the homes here well enough to get the job done right the first time. If you’re sweating through another Florida summer with an aging system, call (850) 695-3178 for a free estimate. We’ll send a background-checked technician with a live arrival time you can track to your door, not a four-hour window.
Lake Mary homes aren’t like older Orlando bungalows. The two-story executive homes and master-planned communities here demand real airflow engineering, and that’s exactly what our AC Installation team specializes in. No guesswork. No shortcuts.
Why Halden Heating and Air Orlando Is Lake Mary’s Preferred AC Installation Company
Founded in 2004, Halden Heating and Air is an independently owned and operated business in the Relay Home Co. network, held to The Relay Visibility Guarantee on every job. That means a written price before any work starts, a written guarantee on every installation, and a 365-Day Done Right Promise that gives you a full year of accountability. We don’t ask you to trust us on faith. We put it in writing.
Lake Mary homeowners tell us the same thing again and again: they’re tired of vague arrival windows and door-step price surprises. So we run it differently. You book online, get a live arrival time, and track your technician to the door. When you call, a real person answers. 24/7. Even during that midnight AC failure in July.
Andre Fuller leads our team, and the standard is simple: if it’s not done right, we make it right. That’s what the 365-Day Done Right Promise means, and it applies to every installation we complete in Lake Mary.
Styles & brands we work with







HVAC Installation in Lake Mary
HVAC Installation in Lake Mary is a different job than it is in most of Central Florida because of the housing stock. We’re working in 2,500 to 4,500+ square foot two-story homes, many built between the 1980s and 2010s, with multiple zones and high ceilings that punish sloppy design. A typical full HVAC installation here runs $3,500 – $7,500 depending on system size, efficiency tier, and ductwork condition. The right installation starts long before the equipment shows up: load calculation, duct inspection, and a plan for how the system will actually move air through a large two-story floorplan.
Sizing and Airflow Design
We run a Manual J load calculation on every Lake Mary install. That’s the industry-standard method for figuring out exactly how much cooling your home actually needs, room by room. Skip it, and you end up with a unit that short cycles, leaves upstairs bedrooms hot, and can’t pull humidity out of the air on a muggy August afternoon.
Oversized Equipment Is a Real Problem Here
We see it constantly: a contractor drops in a bigger unit thinking more cooling is always better. It isn’t. In Lake Mary’s humid climate, an oversized system cools the air too fast and never runs long enough to dehumidify. That’s how you get that cold-but-clammy feeling, and over time, mold risk. The fix is a properly sized system matched to your ductwork, not a bigger box.
Heat Pump Installation in Lake Mary
Heat Pump Installation in Lake Mary is worth a serious look if you’re replacing an aging system. A heat pump handles both cooling and heating in one unit, which makes sense for our long cooling seasons and short, mild winters. In Lake Mary, a heat pump installation typically falls in that same $3,500 – $7,500 range, and the equipment can be more efficient than a traditional AC plus separate furnace setup. For our humid summers, variable-speed heat pumps are especially good at long runtimes that pull moisture out of the air continuously.
Variable-Speed Systems and Humidity
A variable-speed heat pump ramps up and down instead of blasting on and off. That longer runtime means lower energy bills and much better humidity control, which matters enormously in Lake Mary between June and September. If you’ve ever felt sticky inside a cool house, you’ve lived with a single-speed system that can’t manage moisture.
Zoning for Two-Story Homes
In a two-story Lake Mary home, a single thermostat creates a guessing game. Upstairs bakes, downstairs freezes. We install zoning controls that let you set different temperatures for different floors, with motorized dampers in the ductwork directing air where it’s needed. It’s not a luxury add-on here. It’s how you make a big house comfortable in every room.
Trusted Brands We Service in Lake Mary
We install and service Carrier, Trane, Bryant, and American Standard systems, and we stock common parts locally for fast turnaround when a Lake Mary job needs a capacitor, contactor, or control board. If you have a 1990s Trane or Carrier system that’s finally giving out, we can replace it with a modern equivalent from the same brand family or move you to something better suited to your home’s load. We’ll give you a straight answer about what’s worth keeping and what isn’t.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Lake Mary Homes
- Surge damage from afternoon thunderstorms. Lake Mary’s summer lightning storms are so routine that we see repeated capacitor and contactor failures on systems only a few years old. Any new install we do includes surge protection specified from day one, not as an upsell.
- Undersized ductwork starving upstairs zones. Homes built in the 1980s and 1990s often have ductwork that was marginal when new and is leaking now. A brand-new condenser can’t fix hot bedrooms if the ducts can’t deliver the air.
- Oversized equipment chosen without a load calculation. We find this on a lot of Lake Mary replacements. The old unit was sized by guesswork, the new one is too, and the homeowner is left with short cycling and clammy air.
- High-ceiling bonus rooms that never cool properly. The bonus room over the garage is a classic trouble spot in Lake Mary two-story homes. It needs dedicated return air and careful balancing, not just a bigger supply vent.
Pricing for AC Installation in Lake Mary, FL
Here’s what you can expect to pay for a new AC installation in Lake Mary:
| Service | Typical Lake Mary Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
What moves the number: home square footage, number of zones, ductwork condition, and efficiency tier. A 3,500 sq ft two-story with zoning will land higher than a 1,800 sq ft single-story. You’ll get a written fixed price before any work starts, so there’s no surprise at the door. Call (850) 695-3178 for an exact quote. Estimates are free.
We Also Serve Cities Near Lake Mary
Our Lake Mary crews regularly install in Winter Springs, Winter Park, Goldenrod, and Apopka. If you’re just outside Lake Mary proper, give us a call at (850) 695-3178 and we’ll confirm coverage for your neighborhood.
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 AC Installation in Lake Mary
Yes. Lake Mary’s afternoon thunderstorms cause power surges that can destroy capacitors and contactors, and over time, compressor windings. That’s why we specify whole-home surge protection on every new install in Lake Mary. It’s not an optional add-on here. Call (850) 695-3178 to talk about surge protection for your system.
If your system is over 20 years old and needs a compressor, a new system is almost always the smarter money. The old unit is likely R-22 refrigerant (no longer manufactured, expensive to recharge), running at maybe 8-10 SEER, and losing capacity every year. A new 15-18 SEER system cuts cooling bills significantly. We’ll give you a straight assessment, not a sales pitch. Call (850) 695-3178.
Because the installer probably didn’t address ductwork or zoning. In a two-story Lake Mary house, the upstairs will never cool properly if the ducts can’t deliver enough air up there, or if there’s only one thermostat for the whole house. We run a Manual J load calculation and balance airflow to every zone, including that high-ceiling bonus room. If your upstairs is still hot after a recent install, call (850) 695-3178 and we’ll diagnose it.
Yes, and in Lake Mary’s climate it’s often the better choice. Heat pumps cool and heat in one unit, and modern variable-speed models handle our hot, humid summers beautifully. You’ll typically pay in the same $3,500 – $7,500 range as a traditional AC install. Call (850) 695-3178 to compare your options.
Commissioning is the testing and adjustment phase after equipment is installed but before we call the job done. We verify refrigerant charge against manufacturer specs, measure static pressure in the ductwork, check airflow at every register, confirm the thermostat and zoning controls are mated correctly, and test the surge protection. In Lake Mary’s big two-story homes, skipping commissioning is why so many new systems never perform to their ratings. We commission every install. Call (850) 695-3178 to schedule your estimate.
Written by Andre Fuller, Owner at Halden Heating and Air Orlando, serving Lake Mary since 2004.