Climate equipment · Free delivery in Tashkent
Heat recovery ventilators

Welkin Airwave

In stock
Reviews
6 360 000 UZS

For Welkin Airwave 400 · equipment price

Choose airflow

Select airflow allowing for duct resistance.

Free delivery within Tashkent

Installation quoted separately

Equipment sales across Uzbekistan.

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Specifications and package contentsAll specifications and what’s included

About this model

Supply and exhaust ventilation with heat recovery: outdoor air enters and room air leaves through separate ducts.

Description and features

The heat exchanger transfers part of the thermal energy between the streams. Airflow is selected according to ventilation demand and duct resistance.

Technical specifications

Selected modelAirwave 400
Full specifications
Model details
BrandWelkin
SeriesAirwave
ModelAirwave 400
AvailabilityIn stock
Performance
Airflow400 m³/h
External static pressure88 Pa
Airflow · L / M / H350 / 400 / 400 m³/h
External static pressure · L / M / H80 / 85 / 88 Pa
Temperature recovery efficiency · L / M / H74 / 69 / 69 %
Summer enthalpy efficiency · L / M / H62 / 57 / 57 %
Winter enthalpy efficiency · L / M / H65 / 60 / 60 %
Power and efficiency
Power input150 W
Supply voltage220 V
Comfort and controls
Noise level37.5 dB(A)
Noise level · L / M / H31 / 37 / 37.5 dB(A)
ControlsWired controller: manual and automatic modes, weekly timer.
Air cleaning and filters
Filter maintenanceInspect and clean filters; frequency depends on air pollution.
Dimensions and installation
Body dimensions A × B × H804 × 744 × 270 mm
Weight31 kg
Additional specifications
Nominal duct diameter150 mm
Installation dimensionsA: 804; B: 744; C: 100; E: 675; F: 862; G: 19; I: 480; K: 111; M: 270; N: Ø144 mm

L / M / H — low / medium / high speed. Recovery efficiency is not the same as the percentage of electricity saved. Duct sizing and installation require a project.

Dimensions and installation
Supply + exhaust + heat recovery

Fresh air. With heat recovery.

Brings outdoor air in and removes stale air. The heat exchanger helps reduce ventilation heat losses.

Dimensions and installation

Airwave 400804 × 744 × 270 mm

All drawing dimensions, mm
A
804
B
744
C
100
E
675
F
862
G
19
I
480
K
111
M
270
N
Ø144

OA — outdoor air; SA — supply air to room; RA — return air from room; EA — exhaust air outdoors.

Allow access for maintenance

Keep the filters and heat exchanger accessible. Agree ductwork, insulation, service access and power supply before installation.

What’s included & documents

Supply and exhaust unit with heat exchanger. Ducts, grilles and installation are quoted separately. Additional sensors, a heater and Wi-Fi are not specified as included.

Delivery, installation & warranty

Delivery in Tashkent is free. Installation is a separate service with an agreed quote. Delivery timing and warranty terms are confirmed before purchase.

Official warranty across Uzbekistan. Duration depends on the model documents.

Delivery termsWarranty service

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