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You’ve replaced the hoses, scrubbed the coils, tried every spray.
Why won’t that smell go away?
(The 15-minute upgrade most owners notice in under 24 hours)
90-Day Risk-Free
90-Day Risk-Free
Here Are 5 Reasons Your Boat
Still Smells.
Here Are 5 Reasons Your Boat Still Smells.
If you’ve done the usual maintenance, you already know this is not one missed cleaning job. Here’s why odor can stay behind, and what changes when the air itself is treated.
Reason 01
Your boat is a
perfect nest for odor.
Humidity, heat, salt air, and long stretches closed up give odors a place to settle. They collect in fabrics, headliners, lockers, and ductwork that can look perfectly clean. That does not mean you missed a cleaning job. It means the source is bigger than the surfaces you can reach.
Reason 02
Proper maintenance can be right, and it can still smell.
Replacing hoses, cleaning coils, and keeping the bilge in good shape are all worth doing. They address problems in their own place. They do not continuously treat the air that has already picked up odor in the cabin. That’s why a boat can be properly maintained and still smell musty, like diesel, or like the head below deck.
Reason 03
Gels & fresheners mask the smell.
They do not clear it.
Sprays, oils, gels, vinegar, and bags can make the cabin smell different for a while. They do not continuously deal with the odor moving through the boat, so the original smell returns when the masking scent fades. The goal is not to add another smell. It is to get the stale air out of the loop.
Reason 04
Your AC is just
circulating the funk.
A marine AC unit pulls in cabin air and sends it back through every vent. Untreated, it can keep moving stale air through the boat instead of clearing it. AIRLOCK One installs at that air handler, so the system that moves air through your cabin can help treat it as it circulates.
Reason 05
You were told it’s
just “boat smell.” It isn’t.
“Boat smell” is common. It is not inevitable. AIRLOCK One gives the air already moving through your boat a way to be treated continuously: no fragrance, no refill cycle, and it is not an ozone generator.
How it actually works
Leverage your existing AC unit to clean the air.
AIRLOCK One installs by the air handler: the part of your AC that moves cabin air.
Install at the air handler
One compact unit per marine AC unit. Installation takes about 15 minutes with a screwdriver.
Let the fan move the air
As your AC fan pulls cabin air through the system, AIRLOCK One treats it instead of simply sending the same stale air back out.
Keep the cabin in the loop
Treated air travels back through the vents, helping the whole cabin stay fresher without a fragrance or refill cycle.
What that means for your boat
Whole-cabin approach
Works through the air handler, not a single shelf or locker.
Set it once
No filters, fragrances, or consumables to replace.
One unit per AC system
Count air handlers, not vents: one unit per AC system.
Try it with confidence
90-day risk-free guarantee, with US-based support.
Why this approach is different
AIRLOCK One vs. the stuff you’ve already tried.
Treats the air itself, not just the surfaces
Safe to run while you’re aboard
Works automatically through your boat’s AC
Nothing to refill, rebuy, or replace
✓
✓
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✓
Sprays & Gels
✕
✓
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Ozone Machine
✓
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Swipe to compare →
★★★★★
Trusted by 100,000+ boaters
Put boat smell to rest for good.
Do I need to run my AC all the time?
No — AIRLOCK One works whenever your AC fan is moving air (it doesn't need to be cooling).
The longer it runs, the better the air purification — but hundreds of customers get great results running the AC a few hours at a time, whenever they're aboard.
Boat unplugged for the season? Expect a few days of runtime at launch to clear storage smells.
Not sure it'll work for your setup? Try it for 90 days, risk-free.
Is AIRLOCK One ozone-safe?
Yes — AIRLOCK One is not an ozone generator.
It's certified to UL 867 and operates well below the 0.05 ppm ozone limit used by UL and recognized in FDA regulations — a level comparable to what a laser printer produces.
Clean air, no ozone, and safe for people, pets, and the materials in your boat.
Don't have AC onboard?
AIRLOCK One works through your boat's AC system. No AC? AIRLOCK Voyage was built for you — plug-and-play, no installation, made for tight spaces like bathrooms, galleys, and bunks.
It won't cover the whole cabin, but it backs you up exactly where air doesn't move.
How easy is the installation?
Most boaters finish in under 15 minutes. Basic tools, clear steps — and if you want a hand, there are dozens of install videos ready for you.
Specs & Certifications
Model Number: AL-1000
Rated Voltage: 100-240V AC
Rated Current: 10mA
Power Consumption: 2.4W (Max)
Rated Frequency: 50/60Hz
Fuse Rating: 3A
CONFORMS TO UL STD 867 | CERTIFIED TO CSA STD C22.2 No. 187 | Meets California ozone emissions limit: CARB Certified
This device is designed for integration into existing marine and RV HVAC systems and should be installed according to the provided guidelines. If you are unsure, consult a qualified technician.
AIRLOCK One
Hex-head self-drilling screws (#8 1/2")
Magnets
Power wires with fork terminals
Magnetic Mounting Plate
Become an AIRLOCK PRO
Join our network of vetted professionals. Get preferred pricing, marketing support, and a dedicated point of contact.
Learn more →
AIRLOCK
One
★★★★★
(
)
Installed straight into your AC, AIRLOCK One scrubs every breath clean before it hits your cabin. Musty air, odors, mold spores — gone at the source. Just fresh air, every time you step below.
24/7 fresh air onboard
Kills "boat smell" at the source
Installs in 15 minutes, zero maintenance
90-Day Risk-Free Trial
2-Year Warranty
I just installed this last weekend and by the end of our stay we noticed a huge difference in the air quality. Literally took all of 10 minutes to install. I will be getting another one for the forward cabin. Great technology which is used on large scale systems in Biopharma and hospitals. Perfect for boats!!
When I first got it, I was kind of skeptical because I really couldn't tell a difference and I was like this is one of those Facebook scam items but then about after a week I definitely could start telling a difference. Then after two weeks everything changed, all boat smells were gone.
I had a muskrat make it’s home my boat. The smell was nasty. It took about a week. But the smell is gone. This works.
I like everyone was skeptical but decided to give this Airlock a try… Almost immediately after installing it was gone. Now just nice clean fresh air. Who knew this existed.
I put two, 1 for each AC, on my 36 1988 Tiara and I have to say there is no odor of any sort which is great!!
So have had them going for almost 3 weeks now. Have an 04 39 Silverton. AC’s running on the weekend and then in humidity mode when I’m gone. It’s 90% better already. Even had someone mention it smelled like a new boat and we don’t have any air fresheners.
Installed mine and I am loving it. It definitely made a difference in about 48 hrs. Now it’s been running for over a week. My wife and I came to the boat this weekend and were thrilled with the results so far.
I just installed one a couple weeks ago it is amazing how well it works. I have it mounted directly in front of my AC unit and all I smell is fresh air.
This worked within 24 hours...only bought one and put on salon air unit. We don’t use the AFT much. 89 3207 Carver Yachting. Great purchase so far.
Boat always had a lingering mildew smell no matter how much we cleaned and used every option: nosguard, deep cleaning, air purifiers. Put this in and did not think it would work. After two days onboard… there was no smell at all. No smell, no cover up fragrance, no weird ozone smell, nothing.
Install 1 per AC unit
For whole-boat fresh air. Not sure how many?
Complete the AIRLOCK system
AIRLOCK One is the foundation.
AIRLOCK Voyage completes the system.
AIRLOCK
Voyage
$179
$139
For spots your AC can't reach, like the head or galley, Voyage targets odors within a 4 ft range.
Do I need to run my AC all the time?
No — AIRLOCK One works whenever your AC fan is moving air (it doesn't need to be cooling).
The longer it runs, the better the air purification — but hundreds of customers get great results running the AC a few hours at a time, whenever they're aboard.
Boat unplugged for the season? Expect a few days of runtime at launch to clear storage smells.
Not sure it'll work for your setup? Try it for 90 days, risk-free.
Is AIRLOCK One ozone-safe?
Yes — AIRLOCK One is not an ozone generator.
It's certified to UL 867 and operates well below the 0.05 ppm ozone limit used by UL and recognized in FDA regulations — a level comparable to what a laser printer produces.
Clean air, no ozone, and safe for people, pets, and the materials in your boat.
Don't have AC onboard?
AIRLOCK One works through your boat's AC system. No AC? AIRLOCK Voyage was built for you — plug-and-play, no installation, made for tight spaces like bathrooms, galleys, and bunks.
It won't cover the whole cabin, but it backs you up exactly where air doesn't move.
How easy is the installation?
Most boaters finish in under 15 minutes. Basic tools, clear steps — and if you want a hand, there are dozens of install videos ready for you.
Specs & Certifications
Model Number: AL-1000
Rated Voltage: 100-240V AC
Rated Current: 10mA
Power Consumption: 2.4W (Max)
Rated Frequency: 50/60Hz
Fuse Rating: 3A
CONFORMS TO UL STD 867 | CERTIFIED TO CSA STD C22.2 No. 187 | Meets California ozone emissions limit: CARB Certified
This device is designed for integration into existing marine and RV HVAC systems and should be installed according to the provided guidelines. If you are unsure, consult a qualified technician.
AIRLOCK One
Hex-head self-drilling screws (#8 1/2")
Magnets
Power wires with fork terminals
Magnetic Mounting Plate
Become an AIRLOCK PRO
Join our network of vetted professionals. Get preferred pricing, marketing support, and a dedicated point of contact.
Learn more →
Less than 1% of customers claim our Fresh Cabin Guarantee.
Do I need to run my AC all the time?
No. AIRLOCK One works whenever your AC fan is moving air, it does not need to be cooling. The longer it runs the better the air purification, but hundreds of customers get great results running the AC a few hours at a time, whenever they are aboard. Boat unplugged for the season? Expect a few days of runtime at launch to clear storage smells. Not sure it will work for your setup? Try it for 90 days, risk-free.
Is AIRLOCK One ozone-safe?
Yes, AIRLOCK One is not an ozone generator. It is UL 867 Certified and operates well below the 0.05 ppm safety threshold set by air regulators like the California Air Resources Board (CARB). AIRLOCK One is CARB Registered. That is the same standard applied to everyday appliances like printers, blenders, and hair dryers. Clean air, no ozone.
Don’t have AC onboard?
AIRLOCK One works through your boat’s AC system. No AC? AIRLOCK Voyage was built for you: plug-and-play, no installation, made for tight spaces like bathrooms, galleys, and bunks. It will not cover the whole cabin, but it backs you up exactly where air does not move. Shop Voyage →
How easy is the installation?
Most boaters finish in under 15 minutes. Just a screwdriver, clear steps, and if you want a hand, there are dozens of install videos ready for you.
Specs & Certifications
Model Number: AL-1000 · Rated Voltage: 100-240V AC · Rated Current: 10mA · Power Consumption: 2.4W (Max) · Rated Frequency: 50/60Hz · Fuse Rating: 3A
CONFORMS TO UL STD 867 | CERTIFIED TO CSA STD C22.2 No. 187 | Meets California ozone emissions limit: CARB Certified
This device is designed for integration into existing marine AC systems and should be installed according to the provided guidelines. If you are unsure, consult a qualified technician.
Become an AIRLOCK PRO
Join our network of vetted professionals. Get preferred pricing, marketing support, and a dedicated point of contact. Learn more →
What boat owners are actually saying
★★★★★
4.8 stars across verified reviews
Certified & compliant
AIRLOCK One is UL 867 Certified and operates well below the 0.05 ppm safety threshold set by air regulators like the California Air Resources Board (CARB). AIRLOCK One is CARB Registered, and not an ozone generator.
Try it for 90 days. Send it back if you don't smell the difference.
Less than 1% of customers claim our Fresh Cabin Guarantee.
✓ Free Shipping
✓ 90-Day Risk-Free
✓ 2-YEAR WARRANTY
✓ Free Shipping
✓ 90-Day Risk-Free
✓ 2-Year Warranty
