STOP BREATHING EVERYONE ELSE'S AIR. UPGRADE YOUR HOME WITH FRESH, CLEAN AIR.

Most homes recycle the same stale air. The UpgradeAirKit™ gives yours its own — fresh, balanced, filtered, and energy efficient. Pick your kit by bedroom count, and we ship the whole system engineered and ready. Breathe better. Live better.

Sized by bedroom count · Ships complete & engineered · Tech support included

Meet Lulu The Fresh Air Lemur
Hi! I'm Lulu ♥ Fresh air in the trees, Filtered breeze through every room— I brought it back home.

Healthier Air

Reduces allergens, pollutants & odors.

Better Home

Controls humidity, reduces stuffiness.

Higher Performance

Energy efficient. Built for tight homes.

DIY Friendly

Kits designed for easier installs.

  • Built on LifeBreath + Zehnder
  • Sized-Right Guarantee
  • Tech support included ($200 value)
  • Ships in ~5–10 business days
  • Secure checkout
See The Difference

The air you breathe shouldn't be a gamble.

Swap stale, shared, smoggy air for fresh, balanced, filtered air — automatically.

Lulu breathing freely as the LifeBreath MAX XTR delivers fresh, filtered, clean air.
Lulu in a gas mask in a smoggy room full of CO2, VOCs, odors, stale air and pollutants.
The air you're breathing now Fresh, filtered & clean

Masks off. The UpgradeAirKit does the breathing work for you.

Lulu the Fresh Air Lemur enjoying clean, balanced air delivered by the LifeBreath MAX XTR.
Built Around The

LIFEBREATH MAX XTR

A high-efficiency ERV core engineered to bring fresh outdoor air in, recover energy, and keep your home balanced — quietly.

  • High-efficiency ERV core
  • Whisper-quiet operation
  • Compact — fits tight homes
  • 5-year warranty
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How It Works

Fresh air in three simple steps.

STEP 1

Bring it in

Fresh outdoor air comes in through a dedicated intake.

STEP 2

Filter & balance

Air is filtered and energy is recovered while stale air is exhausted.

STEP 3

Distribute

Clean, balanced air is delivered throughout your home.

One System, Every Home

Built for the way you live.

New build, retrofit, or a weekend DIY install — there's a sized-right UpgradeAirKit for it.

New Homes

Build it right. Balanced fresh air from the start.

Learn More

Retrofits

Add fresh, clean air to any home. Breathe better.

Learn More

DIY Kits

Everything you need for a do-it-yourself fresh air upgrade.

Learn More
Lulu the Fresh Air Lemur smiling and holding a single red rose.
Lulu says Roses smell sweeter, when the air is cleaner. Take your mask off and breathe it in!
60-Second Air Quiz

Not sure which kit is right for you?

Answer a few quick questions and get a personalized fresh-air recommendation.

Take the 60-Second Air Quiz
CLEAN AIR. BALANCED AIR. BETTER LIVING. THAT'S THE UPGRADE.