KEY COMPONENTS
The minimal key elements of a Passive House typically involve the following:
Passive House element Typical Passivhaus Standard Required for Irish Climate
Super Insulation (walls, floor, roof): U < 0.15 W(m2K
Triple Glazing: U < 0.8 W(m2K)
Mechanical Heat Recovery Ventilation: Heat recovery efficiency > 75%
Small capacity back-up heating system: Pellet boiler, compact unit, gas, etc
Heat delivery: Normally through air ducting, but could be underfloor heating or radiators
Solar shading: Often required over south facing windows to prevent overheating in summer
Household appliances: A-rated recommended
Lighting: CFL or LED recommended
On-site renewables: Thermal solar collectors for domestic hot water recommended
Precise detailing of your project will ultimately require testing and verification in the PHPP software
Click here to see this slide
Click here to see this slide
Click here to see this slide
Click here to see this slide
Click here to see this slide
Click here to see this slide
Click here to see this slide
Click here to view this slide