Put new heat pump system (mistake), replaced all windows, gutted two rooms, replaced plaser with insulation and drywall, repared all subfloors and installed pergo in kitchen, dining and spare room. new ceramic tile on bathroom floor, wall to wall carpet in primary bedroom, wall to wall area rugs in other three rooms. Removed old wooden plank exterior, had home wrapped in Tyvek and sided with T1-11. $40,000 in upgrades and this House still does not get above 58 degrees in the winter. I am in MD. PLEASE help me figure what the problem is. 1250sf wooden frame house on a varied crawl space from 1 to 3 feet. I gonna be freezing again come Nov if I cant figure this out..