Industry Problem
Commercial buildings ventilate large volumes of conditioned air. Discharging warm (or cool) exhaust while conditioning equal make-up air wastes energy and violates modern code targets.
Exhaust Conditions
Building exhaust is moderate temperature, clean to lightly dusty, often with humidity. Make-up air must be tempered and fresh.
Recovery Principle & Recommended Exchanger
Use an energy-recovery ventilator: plate (sensible, separable), rotary wheel (total recovery where mixing allowed) or run-around. ERV for commercial buildings preconditions make-up air. Rotary wheel AHUs and fresh-air recovery units are common packaged forms.
System Configuration
- Plate core for sensible-only or where no-mix is required (labs, hospitals).
- Rotary wheel for maximum total recovery in standard offices.
- Run-around where supply and exhaust are remote.
Energy-Saving Potential
ERV typically cuts HVAC heating/cooling load 20–50% on ventilation air. See commercial ventilation recovery and public-space fresh-air recovery.
Material & Design Considerations
Aluminium or polymer plates; rotary wheels with purge sector; frost/efficiency balance in cold climates (see frost guide).
Related Products
Plate · Rotary wheel · Run-around · Air-to-air overview
FAQ
Plate or rotary for my office?
Rotary gives higher total recovery; plate is required where supply/exhaust must not mix (healthcare, labs).
Get a Building ERV Design
Call 15753355505 or request a quote.