How Much Insulation Does a Home in Oklahoma Need?
Oklahoma’s 77 counties fall into three different IECC climate zones, so there’s no single R-value that fits the whole state.
Home & garden, state by state
Oklahoma’s 77 counties fall into three different IECC climate zones, so there’s no single R-value that fits the whole state.
Ohio’s insulation needs depend on which of the state’s two IECC climate zones a home sits in.
North Dakota’s 53 counties split across two federal climate zones, 6A and 7, and that split is what decides how much insulation a given home needs.
North Carolina spans three IECC climate zones, so there’s no single R-value answer for the whole state.
New York doesn’t have one insulation number, it has three, because the state itself sits in three different climate zones.
New Mexico doesn’t have one insulation answer. The state spans three IECC climate zones, so the right R-value depends on which of the state’s 33 counties…
New Jersey doesn’t have one answer to this question. The state splits across two IECC climate zones, 14 counties in zone 4A and 7 in zone 5A, and each…
New Hampshire’s 10 counties split across two IECC climate zones, 6A and 5A, so there’s no single statewide R-value to memorize.
Nevada’s insulation needs depend on which of three climate zones a county falls into, not a single statewide figure.
Nebraska sits entirely in IECC climate zone 5A, so the whole state falls into the same row of the ENERGY STAR retrofit table: R60 for an attic with no…