Thermal Requirements for Climate Zone 8 (With ERV)

Thermal Requirements for Climate Zone 8 with ERV:

  • Cathedral Ceiling/Flat Roofs: Eff. RSI 5.02 (R28.5)
  • Exterior Walls: Eff. RSI 3.08 (R17.5)
  • Ceilings Below Attics: Eff. RSI 10.43 (R59.2)
  • Floors Over Unheated Spaces: Eff. RSI 5.02 (R28.5)
  • Foundation Wall: Eff. RSI 2.98 (R16.9)
  • Sub-Slab (Basement): Eff. RSI 3.72 (R21.1)
  • Slab on Grade with Integral Footing: Eff. RSI 3.72 (R21.1)

 

Citied: https://www.naimacanada.ca/thermal-requirements-zone-8/