2015 Challenge Participant:

Lehto Design/Build - Kallen Residence

Applicants: Lowel Kallen, Nick Lehto

Project Address: 464 Senexet Road, Woodstock, CT 06281

Bdrms./Sq. Footage: 4 BD - 6388 sq ft

Project Specifications Project Overview Project Team Project Photos
Building Information
Conditioned Area (sq. ft.) 6388 6388
Bedrooms 4 4
Housing Type
(single/multi-family, attached/detached, etc.)
Single-Family, Detached Single-Family, Detached
Thermal
Insulation
Slab Floors R-10 R-10
Foundation Walls R-39 R-39
Framed Floors R-26 R-26
Walls R-26 R-26
Vaulted Ceilings N/A N/A
Flat Ceilings R-60 R-62
Windows
U-Value U-0.22 U-0.17
SHGC SHGC-0.27 SHGC-0.22
Mechanical
Space Heating (primary only) 4.4 4.4
Efficiency (HSPF, COP, etc.) COP COP
Air Conditioning 29.5 29.5
Efficiency (SEER, EER) EER EER
Water Heating 0.91 0.91
Efficiency (EF) EF EF
Ventilation 101 101
Flow Rate CFM CFM
Infiltration Rate 1.0 .37
Renewables
Photovoltaics 12 kW 12 kW
Solar Thermal (DHW, space heating, etc.) N/A TBD
Other Renewables N/A TBD
Annual Energy Use (MMMBTU/Yr)
Heating 57.3 8.9
Cooling 7.9 6.3
Water Heating 20.6 10.5
Lighting & Appliances 37.8 39.9
Photovoltaics N/A -54.3
TOTAL 123.6 11.3
Final HERS Rating 100 2
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