This is an ERV, Energy Recovery Ventilation unit. What do we need that for? We spent all this money on insulating the heck out of this house to keep air out, so why would we need to spend more money on this thing to pump air in?
Here's what I leaned...
ERV is the energy recovery process of exchanging the energy contained in normally exhausted building or space air and using it to treat (precondition) the incoming outdoor ventilation air in residential and commercial HVAC systems. During the warmer seasons, the system pre-cools and dehumidifies while humidifying and pre-heating in the cooler seasons. The benefit of using energy recovery is the ability to meet ventilation & energy standards, while improving indoor air quality and reducing total HVAC equipment capacity. This technology, as expected, has not only demonstrated an effective means of reducing energy cost and heating and cooling loads, but has allowed for the scaling down of equipment. Additionally, this system will allow for the indoor environment to maintain a relative humidity of an appealing 40% to 50% range. This range can be maintained under essentially all conditions.
We spoke to a few people who have this system in their homes and had many disuccsion with our HVAC installer. All say this system is amazing and well worth the cost. This home is all about living healthy so we are convinced it is the right choice. As our furnace guy said... "this house is going to purrrrr!"
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