high-performance-homes / Green Building & Sustainable Home Renovation Information & Advice

Passive House certification - PHI or PHIUS? The Spring House Passive House
Passive House

Everything you need to know about Passive House certification

What is Passive House certification? The term “Passive House” was once obscure jargon used solely by construction engineers & technically-minded home designers, but now "certified Passive House" is being increasingly specified by construction professionals and homeowners across North America. The concept of Passive...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

Insulation slows the rate of heat transfer, helping keep homes warmer in winter and cooler in summer. How well-insulated your home is will determine how comfortable it is and how much you will spend on energy for heating and cooling, and in some respects, how durable it will be. The transfer of heat (or heat loss) occu...

How to Build With Less Wood for Best Performance
Wood and organic materials

How to build high performance homes with less lumber

The cost of lumber is at an all time high, and because of that fact, other wall assemblies are showing themselves to be more affordable in comparison. So it’s a great time to highlight a few alternatives.  Standard residential home construction in most colder climates now involves 2x6s and fiberglass insulation batts. ...

How to choose Triple pane, high performance windows
Windows and doors

Our top tips for buying high-performance windows

Which windows are best? Windows are essential to our homes, so getting the choice of window right is important. They give us natural light, a way to ventilate the home without depending on mechanical systems, a means of emergency exit, and they offer an alternative way to heat homes free of charge through passive solar...

The high performance almost ZNE Warburg house by bioi - built for under $100,00
Efficient home design

A High Performance Home on a Shoe String Budget (Almost ZNE!)

On a wooded Canadian farmstead in rural Alberta, the new house replaced an old home that was no longer able to fulfill its function. The architectural concept for the new home was simple: open, flexible, efficient (almost Zero Net Energy), and for an economical budget - not everyone can manage to build affordable net z...

Balanced insulation levels in a green home
Efficient home design

Insulation in green home building, a balanced approach to putting it where it does the most good

Home insulation - how much do you need and where to put it: Think of the heat in your home as if it were water behind a dam, and that insulation levels were the concrete wall of the dam. Would you choose the height of that concrete wall randomly, or would want an even level of concrete to hold back as much water as pos...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

What is the best wall system for a home?  We're frequently asked which is the perfect wall system for high-performance LEED, Passive House or Zero Energy Homes, Well, a perfect Answer to that Is, first Ask the Right Questions! - After all, what is the best way to get from one place to another?  You have to choose betwe...

Multi-unit Passive House for Heiltsuk First Nation on Campbell Island,
Passive House

Multi-unit Passive House for Heiltsuk First Nation in British Columbia

Bella Bella is a small community located on Campbell Island between the northern tip of Vancouver Island and Haida Gwaii. Approximately 90% of its 1,500 residents belong to the Heiltsuk First Nation. In 2004, a fire destroyed the staff housing complex at the RW Large Memorial Hospital, and Vancouver Coastal Health [VCH...

Green homes climate change
Lifestyle and environment

Green buildings are better situated to handle climate extremes

The U.S. Green Building Council and the University of Michigan’s Taubman College of Architecture and Urban Planning released a landmark report Feb. 29 that describes how green buildings advance resiliency in disasters. “Green Building and Climate Resilience: Understanding Impacts and Preparing for Changing Conditions” ...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

The importance of installing doors and windows correctly: Window and door openings are breaches in a building envelope that need to be carefully managed in order to prevent moisture damage and air leakage in homes as well as to save energy. Water leaks from around windows and doors are the visible result of a poor inst...

Rendering of the Ecohome demonstration house
Efficient home design

Ecohome Demo House: High performance, affordable cost

The guiding principles during the design of Ecohome’s Edelweiss House demonstration home - passive heating and cooling, healthy living space, affordable to build and operate, resilient and flexible design.  The underlying goal of the Edelweiss House was to design and build a modestly-sized but functional home that wou...