Martin County · Treasure Coast

AC Repair & HVAC Installation in Palm City, FL

Maritime Air Co. delivers same-day AC repair, premium energy-efficient installations, and HOA-friendly HVAC service across Palm City's gated golf communities and waterfront estates. From Harbour Ridge to Martin Downs, we keep Palm City families comfortable with honest pricing and Class-A licensed workmanship.

(772) 236-4277 Schedule Service

License # CAC1824400 5.0 · 37 Google Reviews ZIPs: 34990

Why Treasure Coast Trusts Us

Reasons Homeowners & Captains Pick Maritime Air Co.

5-Star Rated
Verified Google reviews
Licensed & Insured
Class-A CAC1824400
Family Owned & Operated
Treasure Coast residents
Residential · Commercial · Marine
Full-spectrum HVAC
Written Estimates
Approved before work begins
Photo-Documented Work
Warranties registered for you
Chamber of Commerce
St. Lucie County member

Palm City HVAC Services

Trusted Air Conditioning Services for Palm City Homeowners

AC Repair in Palm City

Same-day diagnostics for failed compressors, refrigerant leaks, frozen coils, and thermostat issues.

AC Installation in Palm City

Right-sized, energy-efficient systems engineered for Florida humidity and salt-air corrosion.

Duct Cleaning in Palm City

Remove dust, pollen, pet dander and mold for healthier indoor air across coastal homes.

Maintenance Plans in Palm City

Captain's Comfort Club — twice-a-year tune-ups, priority dispatch, and warranty-keeping service.

Local Climate

What Palm City's Climate Means for Your HVAC

Palm City sits in USDA zone 10a with a humid subtropical climate. Summer dewpoints regularly exceed 75°F from June through September, our AC systems run 12–16 hours per day, and August indoor latent loads can double a home's design moisture removal requirement. Homes within 3 miles of the Atlantic or Indian River Lagoon also face chloride-laden salt air that destroys uncoated aluminum condenser coils in 5–8 years. Equipment selection, coil coatings, and dehumidification strategy in Palm City are not the same as inland Florida — and they shouldn't be priced or installed the same way either.

Common HVAC Issues

The Most Common HVAC Problems We See in Palm City

After thousands of service calls across the Treasure Coast, these are the failures we diagnose week after week in Palm City homes. If any of them sound familiar, call us before they turn into a compressor or coil replacement.

Frozen evaporator coils

Florida humidity overworks under-maintained systems — a common Palm City call. We diagnose airflow restrictions, dirty filters, and low-charge issues that cause icing.

Compressor failures from voltage spikes

Summer storms and FPL surges destroy compressors across Palm City. We install whole-system surge protectors and source warranty-replacement Trane, Carrier, and Goodman scroll compressors fast.

Refrigerant leaks at coil joints

Salt air corrodes aluminum coil fins on homes east of US-1. We pressure-test with nitrogen, electronically leak-detect, and re-braze or replace coils with coastal-grade Heresite-coated alternatives.

Sky-high humidity (60%+ indoor RH)

Oversized or single-stage systems short-cycle and never pull moisture out. We right-size with Manual J, install variable-speed equipment, and add dedicated dehumidification when needed.

Mold and mildew on supply registers

Standing condensation, dirty blower wheels, and biofilm in the drain pan all show up as black streaks on ceilings. We sanitize coils, replace drain pans, and add UV-C lights.

Sudden FPL bill spikes

A failing capacitor, dirty condenser coil, or partial duct collapse can quietly add $80–$150/month. Our $89 tune-up catches all three before they snowball.

Local Expertise

Why Palm City Homes Need a Coastal HVAC Specialist

Gated Golf Communities & HOA Requirements

Harbour Ridge, Piper's Landing, and Evergreen Club have specific equipment screening, sound-level, and contractor insurance requirements. We're approved at every major Palm City community and handle HOA paperwork for you.

High Indoor Humidity Near Canals & Lakes

Palm City's interconnected canals, lakes, and golf course irrigation drive indoor humidity above 60%. We install variable-speed Trane and Carrier systems plus whole-home dehumidifiers for honest moisture control.

Estate & Multi-Zone Home Comfort

Larger Palm City homes need multi-zone systems, properly designed ductwork, and balanced returns. Our Manual J/D engineering eliminates hot bedrooms, cold great rooms, and the 'one thermostat lying to the house' problem.

New Construction & Builder-Grade Failures

Newer Martin Downs and Mid-Rivers homes often arrive with undersized builder equipment. We right-size replacements before warranties expire, often paying for themselves in three summers of FPL savings.

Neighborhoods We Serve in Palm City

Harbour Ridge
Piper's Landing
Evergreen Club
The Florida Club
Martin Downs
Mid-Rivers
Hanson's Landing
Heritage Ridge
Cobblestone
Hammock Creek
Palm Cove
Sunset Trace

Call (772) 236-4277 Schedule Service

Marine HVAC in Palm City

Dockside Marine Air Conditioning Service for Palm City Boaters

Serving Harborage Yacht Club, Palm City Boat Ramp, Mariner Cay Marina, Stuart Corinthian Yacht Club and every private dock in Palm City. Class-A licensed and EPA 608 certified — we diagnose, repair, and replace every major marine HVAC brand with the saltwater corrosion expertise your vessel demands.

Marine AC Repair

Full-spectrum dockside marine HVAC service & emergency response.

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Cruisair Repair

Self-contained, split-gas, and chilled-water Cruisair systems.

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Dometic Marine AC Repair

Dometic Turbo, Emerald, SMX controls, and chiller diagnostics.

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Marine Chiller Systems

Chilled-water yacht HVAC, fan-coil units, zone controls.

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Barnacle Buster Service

Closed-loop seawater coil descaling to restore cooling capacity.

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Marine Water Pump Replacement

March, Cruisair & Headhunter raw-water pumps swapped dockside.

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Boat AC Down?

Same-day dockside response in Palm City.

(772) 236-4277

Why Maritime Air Co.

Why Palm City Homeowners Choose Maritime Air Co.

Class-A Licensed (CAC1824400)

Florida Class-A Certified Air Conditioning Contractor with no job-size limitations — residential, commercial, and marine.

Family-owned, Treasure Coast based

Local Port St. Lucie shop. You speak to the owner, not a national call center.

5.0 ★ on Google + Nextdoor Fave 2025

Hundreds of neighbors trust us. Read every review before you book — we publish them all, good and bad.

10-year parts & labor warranty

Standard on qualifying new installs. We register every system the day it's commissioned.

Marine HVAC specialists

Cruisair, Dometic, Webasto chillers and air handlers. Dockside service across every Treasure Coast marina.

Upfront flat-rate pricing

You approve the price before we turn a wrench. No surprise add-ons, no commission-driven tech upsells.

Our Work

Recent Palm City Area Projects

A sample of installs and repairs we've completed near Palm City.

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Coil Cleaning

Reviews

What Palm City Customers Say

Real Google reviews from Treasure Coast homeowners, business owners, and captains.

5.0

37 Google Reviews

“My highest recommendations for Devon and the Maritime Air team — thorough, honest, and on time. They explained everything in plain language and didn't push any unnecessary upsells.”

Spencer Fuller

May 2026

Google

“Devon has provided thorough maintenance and excellent service. Truly family-owned care — they treat your home like it's their own. Highly recommend for Treasure Coast homeowners.”

Oh Canada

March 2026

Google

“Working with Devon on my HVAC system was a great experience from start to finish. Fair, clean install, and the system has been running perfectly through Florida summer heat.”

David Alker

February 2026

Google

Read all Google reviews

FAQ

Palm City HVAC Questions, Answered

Do you provide same-day AC repair in Palm City?+

Yes — Palm City is 30 minutes from our Port St. Lucie shop, and we routinely reach homes from Martin Downs to Hanson's Landing within 2–4 hours for emergency AC calls.

Do you service Harbour Ridge, Piper's Landing, and Evergreen Club?+

Yes. We specialize in the gated golf communities of Palm City — Harbour Ridge, Piper's Landing, Evergreen Club, and The Florida Club — with HOA-compatible install practices and quiet, low-profile equipment.

What's the average cost of AC replacement in Palm City?+

Most Palm City homes (2,000–3,500 sq ft) range from $7,500–$13,000 for a complete high-SEER2 system with permits and 10-year parts warranty. Larger estates with zoning or geothermal options quote higher.

Do you handle Manual J load calculations for new construction in Palm City?+

Yes — every install includes a proper Manual J load calculation and Manual D duct design. Especially important for Martin Downs, Mid-Rivers, and newer construction where builder-grade sizing is often wrong.

Do you service the inland canals and lakes of Palm City for indoor humidity?+

Yes. Palm City's canals, lakes, and golf course irrigation push indoor humidity well above comfort range. We install whole-home dehumidifiers and properly sized variable-speed systems for true humidity control.

Knowledge Graph

Every honest repair starts with the same measurements. These are the diagnostic guides our technicians use in the field — read them before you accept a diagnosis.

Diagnostic