DIY Heat Recovery Ventilators for 50$. How HRV Works. - YouTube
How An Engineer Designs A DIY Energy Recovery Ventilator | Hackaday
How to Build — DIY Air to Air Cross-Flow Heat Exchanger HRV - Lou Dawson, author, ski mountaineer
Blauberg Medium Heat Recovery Ventilation Kit - Whole House Self Build DIY System - EC-SB-250-CON
Six Steps to Success With Heat-Recovery Ventilation - GreenBuildingAdvisor
Energy-Recovery Ventilators: Ventilate Your Home With Minimal Energy Loss – Mother Earth News
Design optimization of cross-counter flow compact heat exchanger for energy recovery ventilator | International Journal of Air-Conditioning and Refrigeration