Marine Grade. US-Based. Fanatical Support.
Quiet, Efficient DC Air Conditioning & Heat For Your Boat
12V
24V
48V
120V — COMING SOON
No generators. No maintenance. No noise. Just quiet comfort wherever you drop anchor.
Trusted by cruisers over thousands of hours in the most demanding climates.
BOAT SHOW SPECIAL
Now's the time to get a SeaAir — $500 off every machinethrough November 30
Claim the offer →
ONE MACHINE · 12V · 24V · 48V
The Complete DC Solution
Say goodbye to generators and noisy marine HVAC. SeaAir systems run straight from battery power.
35–60 A
POWER DRAW AT 12V
5k–12k
SELECTABLE BTU MODES
45 lb
13" × 18.25" × 13"
0
GENERATORS REQUIRED
Variable output
Choose 5k, 9k or 12k BTU to match the cabin and the conditions.
Power use limits
Set an amp-hour budget — it stops when the limit is reached.
iOS & Android app
Full control, analytics and AI diagnostics from your phone.
Whisper quiet
Hear the ocean at anchor — not the machine keeping you cool.
PROOF FROM THE WATER
Cruiser tested. Off-grid proven. Comfort always on.
Real installs on real boats — in their owners' words.
"Silent cooling at anchor. Absolute game changer."
42' LAGOON CATAMARAN — BAHAMAS
"No more generator noise at night. The 12V draw is exactly as promised."
44' CABIN CRUISER — FLORIDA KEYS
"Sleeping in air conditioning without a generator is next level."
47' HANSE — COASTAL FLORIDA
"Other machines keep me awake at night, but this machine is remarkably quiet! Very pleased!"
ISLAND PACKET 420 — EAST COAST, USA
"Excited about this system and continuous over-the-air updates."
HELIA 44' FOUNTAINE PAJOT — BAHAMAS
SEAAIR MOBILE APP
The industry's first mobile app for marine climate systems
Control every SeaAir device aboard, set hard power budgets in amp-hours, and let AI diagnostics watch water flow, heat exchange and filters for you.
1
Multi-device control
Every SeaAir system on the boat, one app — switch cabins with a swipe.
2
Power budgets
Set a hard amp-hour limit — the system stops when it's reached. Your batteries stay safe.
3
AI diagnostics & performance graphs
Live system health checks and usage-over-time analytics, built from real machine data.
What's next from SeaAir
SEE EVERYTHING COMING →
NEW · SHIPPING SOON
16k BTU Smart Climate Control System
48V & 120V. The technician comes built in — diagnostics and remote support.
NEW ACCESSORY
The Connected Display
Wall-mounted, 12V wired touchscreen for the whole crew.
🧊
PRE-ORDER
12v Fishing Ice Maker
200 lbs of ice a day, straight off the battery bank.
Is SeaAir Right For Your Boat?
Answer a few simple questions to find out how a SeaAir machine can transform your experience on the water.
Make Comfort a Standard, Not a Compromise.
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Complete system
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