What energy codes apply in NH?
In accordance with RSA 155-A:1 IV, the International Energy Conservation Code 2006 (IECC2006) as amended is the energy code effective in the State of New Hampshire, with Chapter 4 applying to residential structures and Chapter 5 or ASHRAE 90.1-2004 applying to commercial. Chapter 11 of the International Residential Code 2006 reflects residential code requirements. See http://www.gencourt.state.nh.us/rsa/html/XII/155-A/155-A-1.htm.