Poor sleep often starts with indoor air
Do you sleep badly and wake up with headaches?
Over 30 years of development · Made in Finland · Tested in Nordic conditions
Find your solution
Answer 3 questions about your home or public space
We'll recommend a solution for your home. If you'd like, we can also put together a custom plan for you for free.
Question 1 of 3
What would you like to improve?
Select all that apply
Tell us about the space
Type of building
Approximate size
How is your space ventilated?
If you're not sure, pick the third option
How it works
Fresh air without draughts
Unlike a standard passive valve, where cold outdoor air comes straight in and creates drafts, Mobair uses your room's own warmth to temper incoming air. The result is consistent indoor air quality, even when it's freezing outside.
Most popular
Mobair S
Powered by a fan
No cold draughts, warmth spreads evenly through the room
27 dB
Whisper quiet, even at night
No renovation needed
Easy DIY install
What our customers say
Heimo Rouvinen
"Mobair is by far the best — especially this heated version!"
Vuosaaren kartano
"We finally found a solution that works for our protected building."
Förbyn loma-asunnot
"No more stuffy air at the cottage. We sleep so much better now."
1950's home
"Our experiences have been positive. Among other things, mustiness has decreased."
Kelo Resort
"We received the products painted in exactly the color we wanted. Now they fit perfectly with the interior."
OEM Finland
"It's now easy to breathe in our customer service office."
Mobair S – 1 W Patented Ventilation Technology
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Mobair K – Supply Air Heater with Silent Operation
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Our Favorite Products
Discover more in our FAQ
What is a fresh air valve?
What is a fresh air valve?
A supply air vent, as its name implies, brings fresh and clean air indoors. It is installed in individual rooms to boost existing mechanical or natural ventilation.
What is supply air?
What is supply air?
Supply or replacement air refers to the outdoor air that flows indoors in the same amount as is exhausted from bathrooms, kitchens, etc. It is extremely important that replacement air is brought in in a controlled manner—filtered and heated.
Where should fresh air valves be installed?
Where should fresh air valves be installed?
They should be installed in the room where you want to improve indoor air quality. In homes, the most important room is the bedroom, as air quality problems most often occur there.
Does your products interfere with existing ventilation?
Does your products interfere with existing ventilation?
Our products are fundamentally designed so that they do not interfere with the building’s existing ventilation system.
More products
Mobair S – 1 W Patented Ventilation Technology
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Mobair K – Supply Air Heater with Silent Operation
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Mobair M – Heated Supply Air for Comfort Without Cold Spots
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Mobair XL – Air Heater & Filtration for Large Spaces
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Mobair S / M Original Air Filter – ePM10 50%
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Mobair 2020 Original Air Filter – ePM10 50%
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Mobair K Original Air Filter – ePM10 50%
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Mobair 2075 Original Air Filter – ePM1 55%
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