HR250
Wholehouse ventilation unit with heat recovery
Up to 70% heat recovery whilst controlling condensation
Cool recovery in the summer
Meets new Building Regulations
Can be vertically or horizontally, cupboard or void mounted
Easy installation using 100mm diameter duct spigots
Cupboard/loft-mounted intake/extract wholehouse ventilation unit with built-in heat recovery facility. It has twin centrifugal motor/impellers which provide balanced supply and extract ventilation with up to 70% heat recovery. In conjunction with the 150VA Transformer the unit has the facility for matching the performance of the unit to the size of dwelling.
Performance of HR250: Up to 61 l/s FID capacity (balanced airflow). Unit extracts the moist and polluted air from kitchens, utility rooms, bathrooms and toilets and replenishes other areas of the dwelling with fresh tempered air. Fitted in a loft area
Installation
The HR250 wholehouse ventilation unit is designed for fitting within a kitchen cupboard or in the loft space. 100mm Ø rigid or flexible duct connects the fans spigots to ceiling terminations and to the outside air extract and intake points. When passing through an unheated area insulated ducting should be used.
PERFORMANCE:
HR250 to be used with a 150VA Transformer for maximum controllabilty
Motor Speed | 1 | 2 | 3 | 4 | 5 | 6 |
Volume l/s (FID) | 16 | 25 | 31 | 38 | 43 | 61 |
DIMENSIONS:
Weight: 11.5kg
Power | Consumption | |
Speed 1 | 80V | 20W |
Speed 2 | 100V | 36W |
Speed 3 | 120V | 51W |
Speed 4 | 140V | 60W |
Speed 5 | 160V | 80W |
Speed 6 | 240V | 185W |

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ESTIMATED RUNNING COSTS
Calculate estimated running costs for this product using the tool below.
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Where a product has multi speeds, a typical installation has been used for the below calculations. *Running cost does not include the use of the heater on the heater model
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Overview
Cupboard/loft-mounted intake/extract wholehouse ventilation unit with built-in heat recovery facility. It has twin centrifugal motor/impellers which provide balanced supply and extract ventilation with up to 70% heat recovery. In conjunction with the 150VA Transformer the unit has the facility for matching the performance of the unit to the size of dwelling.
Performance of HR250: Up to 61 l/s FID capacity (balanced airflow). Unit extracts the moist and polluted air from kitchens, utility rooms, bathrooms and toilets and replenishes other areas of the dwelling with fresh tempered air. Fitted in a loft area
Installation
The HR250 wholehouse ventilation unit is designed for fitting within a kitchen cupboard or in the loft space. 100mm Ø rigid or flexible duct connects the fans spigots to ceiling terminations and to the outside air extract and intake points. When passing through an unheated area insulated ducting should be used.
Technical
PERFORMANCE:
HR250 to be used with a 150VA Transformer for maximum controllabilty
Motor Speed | 1 | 2 | 3 | 4 | 5 | 6 |
Volume l/s (FID) | 16 | 25 | 31 | 38 | 43 | 61 |
DIMENSIONS:
Weight: 11.5kg
Power | Consumption | |
Speed 1 | 80V | 20W |
Speed 2 | 100V | 36W |
Speed 3 | 120V | 51W |
Speed 4 | 140V | 60W |
Speed 5 | 160V | 80W |
Speed 6 | 240V | 185W |
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