Maritime Air Co. serves Sebastian homeowners and boaters with coastal-grade HVAC installations and a dedicated marine division. From the Sebastian Inlet to Roseland, one trusted family-owned crew.
Verified Google reviews
Class-A CAC1824400
Treasure Coast residents
Full-spectrum HVAC
Approved before work begins
Warranties registered for you
Same-day diagnostics for failed compressors, refrigerant leaks, frozen coils, and thermostat issues.
Right-sized, energy-efficient systems engineered for Florida humidity and salt-air corrosion.
Remove dust, pollen, pet dander and mold for healthier indoor air across coastal homes.
Captain's Comfort Club — twice-a-year tune-ups, priority dispatch, and warranty-keeping service.
Sebastian 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 Sebastian are not the same as inland Florida — and they shouldn't be priced or installed the same way either.
After thousands of service calls across the Treasure Coast, these are the failures we diagnose week after week in Sebastian homes. If any of them sound familiar, call us before they turn into a compressor or coil replacement.
Florida humidity overworks under-maintained systems — a common Sebastian call. We diagnose airflow restrictions, dirty filters, and low-charge issues that cause icing.
Summer storms and FPL surges destroy compressors across Sebastian. We install whole-system surge protectors and source warranty-replacement Trane, Carrier, and Goodman scroll compressors fast.
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.
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.
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.
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.
Among the harshest salt-air microclimates in Florida. Coastal coatings are mandatory; standard equipment fails in 5–7 years.
Sebastian is at the north end of our radius. We come with parts, refrigerant, and the right diagnostic equipment to finish on the first visit.
Year-round high RH means dehumidification and variable-speed equipment dramatically outperform single-stage installs.
Serving Sebastian Inlet Marina, Sebastian River Marina, Capt. Hiram's Resort, Pelican Island access, Roseland Boat Ramp and every private dock in Sebastian. 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.
Full-spectrum dockside marine HVAC service & emergency response.
View serviceSelf-contained, split-gas, and chilled-water Cruisair systems.
View serviceDometic Turbo, Emerald, SMX controls, and chiller diagnostics.
View serviceChilled-water yacht HVAC, fan-coil units, zone controls.
View serviceClosed-loop seawater coil descaling to restore cooling capacity.
View serviceMarch, Cruisair & Headhunter raw-water pumps swapped dockside.
View serviceFlorida Class-A Certified Air Conditioning Contractor with no job-size limitations — residential, commercial, and marine.
Local downtown Fort Pierce shop. You speak to the owner, not a national call center.
Hundreds of neighbors trust us. Read every review before you book — we publish them all, good and bad.
Standard on qualifying new installs. We register every system the day it's commissioned.
Cruisair, Dometic, Webasto chillers and air handlers. Dockside service across every Treasure Coast marina.
You approve the price before we turn a wrench. No surprise add-ons, no commission-driven tech upsells.
A sample of installs and repairs we've completed near Sebastian.
Real Google reviews from Treasure Coast homeowners, business owners, and captains.
“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.”
“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.”
“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.”
Yes — Sebastian is the northern end of our Treasure Coast service area. Residential, commercial, and marine HVAC across Sebastian, Roseland, and Micco.
Yes — our marine division covers Sebastian Inlet, Sebastian River Marina, Capt. Hiram's, and private docks along the Indian River Lagoon.
Brutal. The inlet sees some of the harshest salt air on the coast. We strongly recommend Heresite-coated equipment, sealed line-sets, and quarterly coil maintenance for any home east of US-1.
Yes — we cover the entire Sebastian to Wabasso corridor including waterfront homes near Pelican Island and the Sebastian River.
