KLS MYRA
Residential heat recovery ventilators with counterflow heat exchanger
Compact floor-standing supply and exhaust units with a counterflow heat exchanger for apartments and houses, airflow 300–600 m³/h. Supplied ready to connect (Plug & Play).

Features
- High-efficiency counterflow heat exchanger, plastic or aluminum
- 100 % bypass: free cooling and night purge ventilation
- Quiet, energy-efficient EC fans
- Double-skin walls with 25 mm mineral wool insulation
- Compact G4/M5 filters
- Optional CO₂ or humidity sensor
- Modbus as standard, BACnet TCP/IP optional
Specifications
| Model | Airflow, m³/h | External static pressure, Pa |
|---|---|---|
| MYRA 300 | 300 | 271 |
| MYRA 500 | 500 | 202 |
Manufacturer’s data (Klas Heating, Cooling, Air Conditioning Inc. (Turkey)). Actual performance depends on operating conditions; we select the exact model by calculation.

Selection and supply
We calculate the building load, select the model, design the system, supply the equipment, install and maintain it. More on the page “Heat and cold recovery”.
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