Heat Recovery Wheel Effectiveness Calculator

Calculate effectiveness and energy recovery for enthalpy wheels.

Entering outdoor air temperature.
°F
Entering outdoor air relative humidity.
%
Entering exhaust air temperature.
°F
Entering exhaust air relative humidity.
%
Manufacturer's effectiveness rating.
ratio

Results

Supply Air Temperature-°F
Energy Recovery Rate-BTU/hr per CFM
Annual Energy Savings-kWh per CFM
References: ASHRAE Handbook - HVAC Systems and Equipment, Chapter 26 (Air-to-Air Energy Recovery)