Decentralised Mechanical Ventilation with Heat Recovery
Ideal when energy efficient heat recovery is required on a room-by-room basis. Easier to retrofit as compared to a wholehouse ventilation system. Decentralised Mechanical Ventilation with Heat Recovery (dMVHR) uses the heat from the stale air that is being extracted to warm up the fresh air that is coming in. Therefore bringing in fresh but pre-warmed air providing ventilation whilst also saving energy. This type of ventialtion is ideal for refurbishment applications.
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What is Decentralised Mechanical Ventilation with Heat Recovery (dMVHR)?
Decentralised Mechanical Ventilation with Heat Recovery (dMVHR) are units designed to improve indoor air-quality on a room-by-room basis. dMVHR units tend to be more efficient than traditional extract ventilation systems.
dMVHR units work by continuously extracting moist air from rooms in the home, which is especially important in bathrooms, utility rooms and kitchens. Unlike in traditional extraction systems, when fresh air is supplied from outside, it collects heat from the extracted air (via a heat exchanger) before entering the room. This heat energy transfer can help save money on energy costs, because it keeps temperatures more constant than when opening windows for ventilation. Latent air is recycled and transferred back into the room to keep a consistent temperature environment.
The Vent-Axia through-the-wall range of heat recovery ventilation units simultaneously extract stale air and introduce fresh air – warming the incoming airflow with heat recovered from the exhaust stream.

Decentralised ventilation system with up to 84% heat recovery. Compact design for apartments or houses with 180mm diameter, ideal for refurbishment. Includes reversible fan with a thermal accumulator, external wall grille, wall sleeve, dust filter. Requires 1x SENWZP (496037) wired zone controller per installation of 8 units.


Decentralised ventilation system with up to 80% heat recovery. The Vent-Axia Lo-Carbon Calido is designed to remove stale air from any habitable room and replace it with fresh air. The unit has an IP24 rating and is double insulated for extra protection. It uses an EC motor, which is incredibly reliable and comes with a five year warranty.
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ESTIMATED RUNNING COSTS
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Overview
What is Decentralised Mechanical Ventilation with Heat Recovery (dMVHR)?
Decentralised Mechanical Ventilation with Heat Recovery (dMVHR) are units designed to improve indoor air-quality on a room-by-room basis. dMVHR units tend to be more efficient than traditional extract ventilation systems.
dMVHR units work by continuously extracting moist air from rooms in the home, which is especially important in bathrooms, utility rooms and kitchens. Unlike in traditional extraction systems, when fresh air is supplied from outside, it collects heat from the extracted air (via a heat exchanger) before entering the room. This heat energy transfer can help save money on energy costs, because it keeps temperatures more constant than when opening windows for ventilation. Latent air is recycled and transferred back into the room to keep a consistent temperature environment.
The Vent-Axia through-the-wall range of heat recovery ventilation units simultaneously extract stale air and introduce fresh air – warming the incoming airflow with heat recovered from the exhaust stream.
Technical
Models

Decentralised ventilation system with up to 84% heat recovery. Compact design for apartments or houses with 180mm diameter, ideal for refurbishment. Includes reversible fan with a thermal accumulator, external wall grille, wall sleeve, dust filter. Requires 1x SENWZP (496037) wired zone controller per installation of 8 units.


Decentralised ventilation system with up to 80% heat recovery. The Vent-Axia Lo-Carbon Calido is designed to remove stale air from any habitable room and replace it with fresh air. The unit has an IP24 rating and is double insulated for extra protection. It uses an EC motor, which is incredibly reliable and comes with a five year warranty.