Energy efficiency / Guides

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...energy savings that would be impossible to achieve through conventional air-sealing techniques. According to Patrick Rouleau, "this is a great technique for someone who wants to improve the energy efficiency of their home. The important thing is for the customer to contact us as soon as possible so that we can togeth...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...energy consumption within ideal parameters. Positive and negative air pressure: Neither positive nor negative air pressure in a home is good, as either puts pressure on the building envelope that promotes air leakage and they will each have different effects and impacts depending on the season, the temperatures and...

Tesla Solar Roof Cost Comparison, Competitors & Reviews
Solar photovoltaic

Are Tesla solar roofs worth the money? Are there any competitors? Our take on the future of BIPV

...Energy. The Dow Powerhouse design was a thin-film copper indium gallium selenide (CIGS), but the new 3.0 version uses silicon cells instead. The shingles are offered in a 55 Watt version at 15.6% efficiency, and a 60 Watt version at 17.1% efficiency. Dow shingles did recently receive some industry accolades, as they ...

Off-grid and Net-Zero Housing

A Toronto Off-grid home 20 years later; how did it fare? How could it be optimized?

...energy collection A successful strategy to power a home with solar energy begins like the water system, with the core principle of first reducing demand. To that end, the appliances and systems of this house were designed and chosen for their reduced operational demand of energy. On the roof are eight photovoltaic ...

Passive Solar Home design at it's best - Kenogami House - EcoHome
Passive solar home design

Ecohome Kenogami House wins Home of the Year Award

...Energy systems: 5400 w photovoltaic solar panels with battery backup Radiant floor heat powered by a high efficiency gas boiler 84% efficient Zehnder Novus 300 ERV (Energy Recovery Ventilator) While similar in concept, an ERV (Energy Recovery Ventilator) was chosen over an HRV (Heat Recovery Ventilator) , a...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

Why Cleaning HRV Units is a Great Idea! When any machine has its normal operation hampered, it will reduce its efficiency and ability to function properly. Many of us are probably guilty of forgetting about basic maintenance of some of the mechanical equipment in our homes; keeping your HRV (heat recovery ventilator...

Affordable Modern Prefab Eco Homes Available - The S1600
Off-grid and Net-Zero Housing

The S1600 - affordable modern prefab eco homes for families

...energy efficiency that it is Passive House and LEED ready, meaning that when other prerequisite conditions are met, the energy performance of the building envelope meets the stringent requirements needed to achieve LEED V4 Platinum or Passive House certification . This also means it could also be specified as one of ou...

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 be...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...energy modelling and make key decisions based on balancing performance. Homeowners, when having a home built or when renovating, need to decide what is most important to them – home size, decor and staying on budget, or energy efficiency, long term investment and the embodied carbon footprint. How much insulation is ...

Why Building Affordable Eco Homes is Important
Efficient home design

Why building an affordable family home today means choosing to build a Green Home

...efficiency improvements becoming mandatory - but this is happening everywhere across North America. *International Energy Conservation Code Building better homes is a smart idea While is it is essential to know your climate zone and build homes that are durable enough to withstand the challenges it will face , we...

How to Vent Roofs - the Methods, Vent Types, Fans
Walls and Roofs

Why Roofs need to be ventilated and how to ventilate a roof properly

...energy efficiency. Having said all this, it is worth pointing out before we get too far that there are ‘unventilated roof’ designs as well; we will get to that below. An unventilated roof is less common in mainstream construction and is more often seen with vaulted or cathedral ceilings. For the moment this is about ...