Passive house / Green Building & Sustainable Home Renovation Information & Advice

Wood stove and biomass heat

The Definitive Guide to Wood Stoves for Airtight, High-Performance, and Passive Homes

...Passive House or similar high-performance home may only require 1 to 3 kilowatts (kW) of heat on the coldest days. The problem of oversizing: If you install a stove rated for 10 kW (34,120 BTU/h) and only need 3 kW, you have two options: burn a small, low fire, or overheat the house. A low, smoldering fire starves the ...

Home under construction by a design build firm
Architecture and plan design

Design-Build Firms: What do they do and are they a good idea?

...Passive House or Net-Zero Energy (NZE), the design-build model offers several distinct benefits. Single-source accountability and reduced risk In the UK, Australia, and North America, a common pain point in construction is accountability. In the traditional model, if a design flaw leads to a costly construction issue, ...

Installing a smart vapor barrier on a prefab wall under construction.
Air and vapour barriers

The Complete Guide to Smart Vapor Barriers and Vapor Open Membranes to Help Keep Walls Dry

...Passive House construction, where they manage the potential for interstitial condensation. In Australia and New Zealand, building codes reflect a greater concern for vapor drive from the exterior, particularly in humid, subtropical regions. Here, smart membranes are often used in reverse-lap applications or on the exte...

High-Performance Building Tape Applied to a Wall Sheathing
Air and vapour barriers

How to Choose the Best High Performance Building Tapes

...Passive House or LEED. Now that you know more about high performance building tapes, find more info about air sealing and green building techniques in the Ecohome Green Building Guide and these pages below: Choosing the right house wrap / WRB  / weather barrier - which is best? What is the difference between an air...

A modern, beautifully designed Net Zero home in Vancouver with solar panels.
Green building certifications

Building a Net Zero Home in Vancouver, BC

...Passive House in the Vancouver context While often used interchangeably, it is important for homeowners to understand the difference between Net Zero and Passive House, as they are two distinct approaches to high-performance building. A Passive House is primarily focused on one thing: creating an exceptionally comforta...

Suspended-film insulating glass windows are high-performance windows
Windows and doors

Suspended-film insulating glass windows - A definitive guide for these high-performance windows

...passive house performance windows when we built our experimental high-performance demonstration homes: like the LEED Platinum Kenogami House, the LEED V4 Platinum Edelweiss House, and the LEED Platinum solar air heated S-1600 Wakefield House. What are suspended-film insulating glass windows? What we personally have yet...

Phase change building materials (PCMs)
Walls and ceilings - interior surfaces

Phase Change Building Materials for High-Performance Homes - The Best Products and Where to Buy Them

...passively, and help reduce heating and cooling costs in homes. For residential home building, these materials are tailored to transition within a precise human comfort window of 68°F (20°C) to 76°F (24.4°C). When the ambient room temperature rises above the material's melting point, it absorbs and stores the excess hea...

Renewable energy

How to heat a home with only solar panels - A homeowner's & pro's guide to off grid heating

...passive solar orientation is inherently resilient; even if the active solar panels are covered in snow,  the building enclosure and passive heat gain will keep the house from freezing for days or even weeks. A As a case study in passive heating, the first Ecohome demonstration home (called the most resilient house in N...

A complicated roof with dormers and metal roof covering
Roof assemblies - new construction

Choosing the Best Roof Profile For Your Home

...Passive House builds. Flat roofs on homes must be carefully done to ensure they shed water safely.  Maintenance and waterproofing Pros: Can be used as functional outdoor space or for mounting HVAC and solar equipment out of sight. Cons: Requires high-performance waterproofing membranes (like EPDM or TPO) and regular...

A skilled architect manages project vision and ensures design meets performance.
Architecture and plan design

What Does an Architect Cost, and Do I Need One to Build a Custom Home?

...passive; ask for homes that have been tested and verified with a blower door test after construction or that hold green home certifications such as LEED, BREEAM, Passive House or Net Zero. Passive heating though south facing windows in the Champlain House. Image © Studio MMA Architects Workarounds for more affordab...

Semi-Translucent Aerogel Filled Commercial Windows
Insulation and soundproofing

Aerogel - Super Insulation for Windows and Walls

...passive solar heat gain so you want to limit windows, but you still want natural light. I could see this really being a thing for anyone trying to build to Passive House standards or get a  home Passive House certified, since performance targets are so strict that windows that don't offer solar heat gain mean you need ...