Hoffman-Valentine Residence
Location: Chatham County, NC (1999)
Size: heated 1,862 SF; 1,300 unfinished basement; 252 SF screen porch; 130 SF covered entry porch
Energy Conservation: R-19 2x6 @ 24" OC walls (South: R-16); R-30 roof; wood-clad windows; South glazing U: 0.29 SHGC: 0.63; North, West and East glazing U: 0.33 SHGC: 0.33; 2-foot overhangs; 460 cu.ft. concrete slab on 1st floor
Heating: hydronic radiant 1st floor 59,000
Btuh;
zero clearance high efficiency wood fireplace (Opel 2000)
Cooling: heat pump 42,000 Btuh
Utility costs: $70-$80/month average all electric on 1st year of occupancy when water heating and radiant backup is propane gas.
Construction cost: approximately $250,000 (1999)
Builder: Bruce A. Miles Construction