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Question DetailsAsked on 5/11/2011

Energy and water conserving HVAC system

I'm building a small cottage using energy and water conserving materials, but I haven't found a good, low mechanicals HVAC system. Will I have to settle for regular air conditioning plus an HRV (Heat Recovery Ventilator), ERV (Energy Recovery Ventilator) and filtration? Or is there an all-in-one system?

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We talked to Jeff Rogers, owner of NE Green Building Supplies and Services in Provincetown, Mass., who was the general contractor when building his own LEED platinum certified home, to get his advice. He says he doesn’t know of any system that includes an HRV and ERV, but he recommends installing a geothermal heat pump or an air-based heat pump, which are more efficient than a HVAC system. Another recommendation is installing structural or vegetative overhangs over your windows, which would prevent summer sun from coming in and overheating your home. He also recommends installing windows with a low Solar Heat Gain Coefficient. 'The lower the number, the more heat it will block,' he told Angie’s List.

Answered 7 years ago by Angie's List




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