Difference between revisions of "Heat Recovery Ventilation"
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| − | '''Heat Recovery Ventilation''' or '''HRV''' is forced ventilation which recovers | + | '''Heat Recovery Ventilation''' or '''HRV''' is forced ventilation which recovers most of the heat that would otherwise be lost in the vented warm air. A crossflow heat exchanger is used to transfer heat from outgoing air to incoming air. |
| − | + | * HRV provides fanned ventilation at much lower run cost, as much less heat is lost to the outdoors. | |
| − | HRV provides fanned ventilation at much lower run cost, as much less heat is lost to the outdoors. | + | * HRV units may be [[Special:Allpages|diy]] constructed. |
| − | + | * HRV can be combined with [[Earth Cooling Tubes|earthpipe warming and cooling]]. | |
| − | HRV units may be [[Special:Allpages|diy]] constructed. | + | * HRV is often combined with filtration to reduce airborne dirt ingress, reducing the amount of housecleaning required. |
| − | |||
| − | HRV can be combined with [[Earth Cooling Tubes|earthpipe warming and cooling]]. | ||
| − | |||
| − | HRV is often combined with filtration to reduce airborne dirt ingress, reducing the amount of housecleaning required. | ||
Revision as of 19:10, 22 August 2009
Heat Recovery Ventilation or HRV is forced ventilation which recovers most of the heat that would otherwise be lost in the vented warm air. A crossflow heat exchanger is used to transfer heat from outgoing air to incoming air.
- HRV provides fanned ventilation at much lower run cost, as much less heat is lost to the outdoors.
- HRV units may be diy constructed.
- HRV can be combined with earthpipe warming and cooling.
- HRV is often combined with filtration to reduce airborne dirt ingress, reducing the amount of housecleaning required.