Not exact matches
Taking all of these factors together, very low U-values needed to be achieved in the walls,
floor and roof in order to reach the
passive house standard.
All
houses have systems in place for rainwater catchment,
passive solar heating, solar panels and radiant
floor heating.
This
house was designed as a
passive solar home by architects at Solar Northern; designers of Post And Beam Homes who eventually became Woodhouse.The
house is built on styrofoam insulated foundation walls and concrete
floor which serves as a thermal flywheel to hold heat from the sun in heating months before and after winter solstice and moderate summer temps in
house when the sun is not shining in the
house due to summer sun angles.
Super-insulation between joists under the wooden
floor and a specialized energy recovery ventilator customized to distribute axillary heat and cooling throughout the home's two wings are key contributors to
passive house level performance.
Our NZE
passive house in northern NJ (PHIUS project 1054) is heated and cooled by two 12k BTU Mitsubishi ductless Mr. Slim HyperHeat minisplits, with one on the first
floor and one on the second.
Architect (planning drawings & project supervision): Mola Architecture Architect (working drawings &
passive house details): Natalie Walsh Contractor: Pat Doran Construction M&E engineer: Ethos Engineering Structural engineer: Garland Consultancy
Passive house consultants: Integrated Energy, Target Zero
Passive house certification: Mead Consulting BER: Rate My Home Quantity surveyor (client): KMCS Quantity surveyor (contractor): RTC Surveying Electrical contractor: Jones Engineering Group Plumbing: Prospect Plumbing & Heating Underfloor heating contractor: Base Engineering Underfloor heating system: Polytherm MVHR: Flynn Heat Recovery Air - to - air heat pump: Panasonic Fan coil units: Tech Refrigeration Solar thermal: Alternative Energy Ireland Airtightness testing: Greenbuild EPS insulation: Airpacks External render: Neotherm External insulation contractor: Enda Linnane Construction Mineral wool insulation: Isover Airtightness products: Siga Breather membranes: Ecological Building Systems
Floor insulation: Xtratherm Thermal breaks: Partel Low thermal conductivity blocks: Quinnlite Roof insulation & airtightness contractor: Baker & Co Windows & doors: Rationel Curtain walling: Lakeside Windows Roof windows: Tradecraft Pet door: Petwalk Polished concrete floor: Renobuild Roofing: Christy McMahon Carp
Floor insulation: Xtratherm Thermal breaks: Partel Low thermal conductivity blocks: Quinnlite Roof insulation & airtightness contractor: Baker & Co Windows & doors: Rationel Curtain walling: Lakeside Windows Roof windows: Tradecraft Pet door: Petwalk Polished concrete
floor: Renobuild Roofing: Christy McMahon Carp
floor: Renobuild Roofing: Christy McMahon Carpentry
To replicate the thermal comfort of a
passive house, high quality radiant heating (usually hot water) is required in the
floors and under windows.
The
house features a variety of lower - impact energy strategies, including radiant
floor heat,
passive ventilation, and
passive solar collection with carefully placed thermal massing.
Once the form factor — the ratio of external surface area to
floor area — is over three, achieving the
passive house standard becomes noticeably more difficult.