Air valves
Green Building Store offers a range of air valves to complement its MVHR systems.
Supply
Wall throw directional air valve. Designed to exploit 'coanda effect'*. Powder coated pressed steel.VVTK
Ceiling mounted directional air valve. Designed to exploit the 'coanda effect'*. Powder coated pressed steel. VTTB
Supply air valve. Internal baffle plate allows some directional control of air movement (but not as much as the VVTK or VVTB models). KIR
Supply air valve. Supplies air around the valve using ambient (non-directional) air flow. KE
Linear bar grilles. Standard part of commercial building design. They can also be used in domestic buildings as part of the design aesthetic.
Extract
High performance extract air valve. Minimal noise impact. Powder coated pressed steel. KSU
Filter extract valves. Recommended for kitchens. White powder coated valve ceiling or wall mounted and flush or surface. Supplied either with a replaceable fleece filter or an aluminium wire filter that can be put through a dishwasher to clean.
Stainless steel valve. Available as surface mount only.
* The coanda effect enables an air valve to be located at ceiling height on one side of a room, but extract air from the other, utilising air flow characteristics. This helps to minimise ducting requirements and simplifies silent delivery.
