This ultra-low tech energy saving system first caught Greenline’s attention when a mechanical engineer proposed one for a Ziger/Snead building.
With contemporary buildings so well sealed from the outside, indoor air quality suffers from a lack of fresh air. As a result, national building codes began to require that hvac systems bring in a minimum [...]
Earth Tubes
What is Energy Recovery Ventilation? And why should I care?
Energy Recovery Ventilation (ERV) refers to the recapture of energy typically lost through the building ventilation process. Conditioned air that is routinely being exhausted from both residential and commercial buildings contains significant energy in the form of heat or coolth and humidity which is lost into the exterior environment. As part of a preconditioning process, [...]