http://www.nrcan.gc.ca/energy/efficiency/housing/new-homes/5085r2000是保暖rating还是啥?
新房子的东西啊,羡慕http://www.nrcan.gc.ca/energy/efficiency/housing/new-homes/5085
Energy star homes.
Typical features of an R-2000 home include:
- High insulation levels in walls, ceilings and basements
- High-efficiency windows and doors
- High-efficiency heating
- Whole-house mechanical ventilation
- Testing to ensure minimal air leakage
- Water-conserving fixtures