Evaluation of the U.S. Department of Energy Challenge Home Program Certification of Production Builders - Chicago, IL and Devens, MA
TO4 Task 3.1 - K Hovnanian Chicago, IL
DOE Challenge Home Program Certified
Home Constructed and Verified
Specifications	
DOE Challenge Home

Building envelope	
Ceiling	R-49 blown fiberglass, Grade I
Walls	2x4 framing @ 16 o.c. with R-13 fiberglass batts, Grade I
and 1"" R-5 extruded polystyrene (XPS) insulating …