“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.”
Premium and proprietary.
Founded 1895 · Richardson, TX · Parent: Lennox International
Verified Google reviews
Class-A CAC1824400
Treasure Coast residents
Full-spectrum HVAC
Approved before work begins
Warranties registered for you
Lennox International was founded in 1895 by Dave Lennox in Marshalltown, Iowa as a steel furnace manufacturer. Today Lennox is publicly traded (NYSE: LII) and manufactures premium residential and commercial HVAC equipment with a heavy focus on innovation and proprietary technology.
Lennox's lineup is the Signature Collection (premium variable-speed), Elite Series (mid-tier), and Merit Series (entry). The flagship XC25 Signature variable-capacity heat pump is one of the most efficient residential systems ever produced (26 SEER).
12–18 years on the Treasure Coast with annual maintenance and clean coils. Coastal exposure (within 1/2 mile of saltwater) shortens that to 8–12 years without aggressive condenser rinsing and protective coatings.
Lennox is less common than Carrier and Trane on the Treasure Coast but we service Lennox systems regularly. The XC25 is the most efficient unit we encounter in the field. The parts-distribution model is the biggest practical issue — parts often take 1–3 days to source.
Salt air is the single biggest killer of HVAC equipment on the Treasure Coast. Sodium chloride accelerates galvanic corrosion of copper coil tubing, aluminum fins, condenser fan grills, and even electrical lugs. Maritime Air Co. recommends coastal-grade coil coatings (Heresite, Bronz-Glow, ElectroFin) on any replacement within 1/2 mile of the ocean or Indian River Lagoon, plus quarterly fresh-water condenser rinses. This single practice often doubles outdoor unit life.
SEER up to 26 on XC25 Signature — among the most efficient residential systems made.
10-year registered parts warranty.
Lennox makes very good equipment, especially at the Signature tier. The practical drawback in our service area is the parts model — Lennox-only distribution means longer wait times when a proprietary part fails. We recommend Lennox primarily when a customer specifically wants the XC25 efficiency or already owns a Lennox system they want to keep.
“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, especially at the Signature tier. The parts-distribution model is the main practical drawback in independent-service markets.
Lennox sells parts only through their authorized dealers, so independents and non-Lennox dealers source from a single regional Lennox distributor — typically 1–3 days.
12–18 years with maintenance. XC25 is too new for full life data.
Yes, including parts sourcing and warranty claim coordination through the Lennox dealer network.
Same-day diagnostics, factory parts, honest pricing. Class-A licensed across the Treasure Coast.