Airex Airflow Control
Air Balance System™
The first non-invasive solution that lets HVAC contractors and HERS raters balance supply airflow from inside the conditioned space. Simple, clean and fast.
Product Overview
Balance any room in minutes without entering the attic
The Airex Air Balance System™ is a fully adjustable, internal and non-invasive airflow-control solution engineered for residential and light commercial HVAC systems. It gives contractors and HERS raters a cleaner way to reduce supply airflow without inline dampers, duct cutting or invasive system redesign.
Why Air Balancing Needed to Change
Traditional balancing methods slow jobs down
Conventional approaches can expose technicians to heat, dust and safety risks while turning a straightforward comfort complaint into a time-consuming service call.
Attic Access
Technicians may need to climb into hot, dusty attics to locate and adjust manual dampers.
Duct Modification
Traditional retrofits can require cutting into ducts to add balancing hardware or rework supply runs.
Guess-and-Check Adjustments
Repeated trips between the room and ductwork can consume valuable time on every visit.
Missed Service Opportunity
An invasive process can make common airflow complaints too costly or disruptive to address as a quick fix.
System Components
Simple components engineered for controlled adjustment
The system combines a lightweight internal bracket, a positioning stem and an inflatable circular bladder to create an adjustable restriction inside the supply duct.
The bracket fastens inside the duct at the boot or register transition and supports the internal assembly.
The long stem positions the bladder precisely where supply airflow needs to be reduced.
The flexible circular bladder inflates to create the exact level of airflow reduction required.
How It Works
Install, position, inflate and fine-tune
The Air Balance System is designed to let technicians make controlled airflow adjustments from the room while measurements are being taken.
Fasten the Bracket
Secure the lightweight bracket inside the duct at the boot or register transition.
Position the Stem
Use the articulating control stem to place the bladder where airflow needs to be reduced.
Inflate the Bladder
Inflate the flexible circular bladder with a hand pump or standard inflator.
Fine-Tune Airflow
Adjust inflation until the target airflow is reached. No attic access and no duct modification.
Product Videos
See the Air Balance System in action
Start with the product overview, then watch the installation demonstration to see how the system is positioned, secured and adjusted from inside the conditioned space.
How the system controls supply airflow
See how the internal bracket, articulating stem and inflatable bladder work together to create a clean and precisely adjustable airflow restriction.
Install and adjust the system from the room
Follow the field installation process, including bracket placement, stem positioning, bladder inflation and final airflow adjustment without attic access or duct cutting.
Built for Field Professionals
A practical tool for HERS raters and HVAC contractors
The Air Balance System helps professionals address oversupplied rooms, pressure imbalance and common comfort complaints without redesigning the duct system.
For HERS Raters
A predictable, repeatable way to bring problem rooms closer to airflow targets during verification.
- Achieve ±10% airflow accuracy without system redesign
- Correct rooms that fail because of oversupply
- Verify without accessing the duct system
- Allow technicians to adjust while the rater measures
- Reduce verification time on common problem rooms
For HVAC Contractors
Turn “this room gets too cold” into a fast, high-margin airflow-balancing service.
- No recutting ductwork
- No pulling new lines
- No chasing dampers in a 150°F attic
- No re-engineering supply runs
- No specialty licensing or sheet-metal skills required
Ideal Applications
Designed for common airflow and comfort problems
Use the Air Balance System where supply airflow needs to be reduced without opening walls, cutting ducts or gaining access to hard-to-reach dampers.
HERS Airflow Balancing
Fine-tune room airflow while verification measurements are being taken.
Chronic Oversupply
Reduce excessive airflow in rooms that are consistently too cold or receive too much supply air.
Pressure Imbalance
Address bedrooms or rooms where pressure contributes to slamming doors, whistling or uneven comfort.
Existing-Home Retrofits
Add adjustable airflow control to existing systems without invasive duct modifications.
Multi-Zone Systems
Fine-tune individual spaces where airflow distribution does not match room demand.
Technical Overview
Core specifications at a glance
The system is designed for common residential supply-duct sizes and provides an adjustable internal restriction without modifying the ductwork.
Downloads and Support
Review the product or speak with the Airex team
The Air Balance System is launching in a limited early release for HERS raters and select HVAC contractors.
Review the product overview, technical information, use cases and professional benefits.
Contact Airex to ask about the limited early release for HERS raters and HVAC contractors.
Call Airex at 760.343.2277 for product information, availability and pre-order support.
Be first to adopt the future of airflow balancing
The Airex Air Balance System™ is launching in limited early release to HERS raters and select HVAC contractors. Request a demo kit or contact Airex about pre-order availability today.