Reduced / Guides

When should you replace windows
Windows and doors

When should you replace old windows?

...reduced with high quality triple pane windows. © Ecohome The cost of replacing windows is pretty high and predominantly labour based; partly in manufacturing, but you have to factor in the cost of installation and finishing as well. So if you're going to replace old leaky windows, you might as well get good ones. T...

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!"

...reduced noise, and not ejecting airborne particles into homes. However, normal plug-in vacuums don't create a depressurization and most will have optional filters of higher quality. That would be the MERV rating of a filter (Maximum Efficiency Reporting Value), which determines the amount of particulate they collect an...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...reduced. How well does Aerobarrier cleanup? This was a concern of mine the moment I first heard of it, as I imagined all surfaces in a home coated in some sort of Teflon-type material, but as surprising as it is, that simply doesn’t happen. There is a first phase change as Aerobarrier goes from a liquid to...

Shipping container homes, Good or Bad?
Architecture and plan design

Are shipping container houses environmentally friendly & good or bad to live in?

...reduced to being little more than an interior finished surface, or acting as the air / vapour barrier , where it isn't necessarily doing that great a job anyway. Using old containers as the launching pad of a home building project locks up huge amounts of metal that could be far more useful in other applications. Wit...

Resilient Homes, why they're important in dealing with Climate Change
Lifestyle and environment

Resilient Homes; Why we need to build to withstand climate change events

...reduced production in many industries, and increased drains on power grids and resources. Most directly perhaps, would be through home insurance rates which are creeping up to cover the added claims we are seeing. And in some cases like flooding, you aren't automatically covered so if you're in a low-lying area be sure...

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?

...reduced global warming impact of spray foam, as several manufacturers switch to less harmful blowing agents, read more here . Now you know all about frost in attics: what causes attic ice & how to fix it , find more info pages about ice dams & ice damming as well as sustainable home improvement & resilient gr...

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

...reduced the cost of installation and are ramping up production of the V3 Tesla solar roof to install 1000 per week by 2021. The newest patented version is a larger-sized PV solar shingle made by assembling smaller solar tiles which will reduce the installation time. They have also reduced the amount of connection point...

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

How much insulation is too much in attics and walls?

...reduced costs in heating and cooling infrastructure. What that in effect means, is that rather than buying a big furnace to heat a poorly insulated house, it's possible to buy a small furnace to heat a well-insulated house - or even, if designed and built very carefully, to end up with a Zero Energy home . All that t...

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

The S1600 - affordable modern prefab eco homes for families

...reduced. This comes through design features such as choosing a slab-on-grade instead of a basement as they use significantly less concrete, which is very high in GHGs (green house gas emissions), unless you are lucky enough to be able to choose low-carbon concrete, see here for it's growing availability in North Americ...

Solar panels power the Kenogami House in Saguenay, Quebec
Off-grid and Net-Zero Housing

The Kenogami House: Energy systems in Net Zero Energy Home Design

...reduced pretty much to $0. That is in essence, the very concept of Net Zero Energy Homes, when it all balances in the end. How water is heated with PV panels in a Zero Energy Home: In a super efficient Net Zero Energy home, and as can be seen in the diagram below, photovoltaic panels supply several types of equipme...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

...reduced efficiency they would experience at lower exterior air temperatures. Fortunately, the SANCO2 will operate at temperatures as low as -29 °C, which means it will not require a backup heating coil even for the Montreal-Ottawa corridor, which in practice, rarely ever sees temperatures below -26 °C. This unit will...