HVAC: High efficiency 2-stage air source heat pump system: 16 SEER, 9.8 HSPF Simplified compact return duct design improved performance and reduced installed costs Equipment and duct distribution system entirely in conditioned space Duct leakage to outdoors: 0 CFM25 ERV provides whole-house mechanical fresh air ventilation

Envelope: R-22 ICF foundation walls and above-grade walls The ICF wall is continuous at the rim joist area, so this critical area is well insulated and air tight R-49 cellulose insulation in the vented attic Wood clad low-e windows: U-0.30/SHGC-0.28 Tested house leakage: 1.1 ACH50

Lighting, Appliances, and Water Heating: Solar-thermal pre-heat domestic hot water system PEX manifold plumbing distribution system 100% compact fluorescent and LED lighting Energy Star appliances 3,500 gallon rain water collection and integrated distribution

Data and Resources

Additional Info

Field Value
Author Vladimir Kochkin
Maintainer Vladimir Kochkin
Last Updated September 9, 2016, 22:22 (Etc/UTC)
Created April 27, 2016, 20:55 (Etc/UTC)
Construction Type New Construction
Evaluation Level Test House
Climate Cold
City Mt. Joy
State PA
Zip Code 17552
Phase 2010 to 2015
Project Start Date 2011-09-15
Project Estimated End Date 2013-06-15
Project Actual End Date 2013-06-15
Completed House Count 2
Expected House Count 2
Energy Savings Percentage 38
Average Estimated Annual Source Energy (MMBtu) 1
Average Conditioned Floor Area (sqft) 1

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