Heat recovery ventilator
Ventilation heat saved + payback
Input
Savings/yr
flow: 120 м³/год
8 065 ₴/yr
- Heat saved
- 3 102 кВт·год
- Cost
- 42 000 ₴
- Payback
- 5,2 yrs
Ventilation removes 20–30% of heat. Heating 1 m³ of air by 1°C = 0.34 Wh. An HRV (plate 70–85%, enthalpy up to 90%) recovers most. Plus: fresh air without open windows and humidity loss.