Roof ventilation / Guides

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

...roofs, letting water penetrate and cause damage to the interior of walls and roofs. When snow melts on a roof it runs down until it meets the unheated bottom ed...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...ventilation: Attic ventilation is essential to prevent ice in roofs, be certain that your roof ventilation is able to do its job. Next, roof ventilati...

Metal roof with solar panels
Roof coverings

How to choose roofing materials

...roofs- intensive and extensive: Green roof © Ecohome An intensive green roof, also known as a ‘rooftop garden’ refers to planting areas that have a dept...

Lockeport Beach House
Real estate

Lockeport Beach House wins Canadian Green Building award

...ventilation to minimize heat losses; and Energy Star appliances and LED lighting to minimize electrical loads. The asymmetrical gabled roof also leverages coa...

The LEED Platinum infill house in Toronto
Real estate

Farnham Avenue House

...ventilation and natural daylight shafts, dynamic cross ventilation, passive solar shading, and super insulation. Other features have been around for a long time...

Beautiful LEED home in Mulmur, Ontario.
LEED Homes

A beautiful lakeside LEED Platinum home

...roof, heat-mirror triple glazing, solar shading, passive ventilation and daylighting, and a geothermal system are just some of the features of this LEED Gold-ta...

How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...ventilation essential in these high performance home by installing either HRV or ERV Ventilation Exchanger Systems . The key questions are: How much fresh...

PSI

Case Study: Kenogami House, Saguenay, Quebec

...roof and fascia, electrically controlled exterior shutters, stone and red spruce siding. Heat recovered ventilation is provided by a Zhender air exchanger rat...

7 Principles of a super abundant, solar, year round greenhouse
Greenhouses and Sunrooms / Solariums

7 key principles for an abundant greenhouse

...Ventilation Greenhouses need ventilation year-round, even in the winter. You can provide this energy-efficiently by using well-placed vents: intake vents lowe...

Real estate

Evaluating a home before purchase: how to recognize value and potential problems

...roof: Shingles don't have a very long life span, so see how close they are to needing replacement. Metal roofs are far more durable and have a much longer lifes...

Net Zero Energy Homes Pilot Canada
Green building certifications

Net zero energy homes Canadian pilot results

...ventilation systems to keep the overall consumption of the home as low as possible, and then renewable energy sources like roof top solar panels must provide en...