Certified Projects Database
||New American Foursquare
||O'Neill Development, Inc.
||Mechanical Systems Designer
||Foley Mechanical, Inc.
|Energy Star Rating
||Heating Degree Days
||Cooling Degree Days
||January 1, 2012
||8" SIP panels covered with 1-1/2" EPS foam above grade.
10" concrete with 4" EPS outside, 2" EPS and 3-1/2" fiberglass inside.
||4" Concrete basement slab with 4" EPS foam below
||12" SIP panels
||Thermotech extruded fiberglass with EPS insulation.
||Cardinal triple glazing. HSHG at north and south. LSHG at east and west. Total unit R value for operable casements approx. R7.
||Mastergrain fiberglass doors with EPS insulation in Thermotech frames.
||2 ducted Zehnder ComfoAir 350 units in two zones.
Air pre-tempered by ground loop of glycol and water running to heat exchanger in intake duct.
||Hot water from DHW boiler runs to heat exchanger in ductwork. Back-up heat available from heat pumps (see cooling section).
||.48 ACH at 50
||Mitsubishi City Multi minisplit heat pump. One air handler unit for second and third floors; one for basement and first floors. Air handlers are ducted into ERV duct system for fulling integrated heating and cooling. In ventilation mode ERV fans drive system; in heating and cooling mode air handlers drive system. Variant refrigerant flow and variable speed fans allow delivering as low as 1/2 ton per unit and up to 1-1/2 tons per unit.