Windows / Guides

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?

...windows and when to repair them How to choose the best windows Everything you need to know about planning a sustainable green renovation or new building project Solar Thermal Collectors - direct "free" heat from the sun Also find all about sustainable home construction in the EcoHome Green Build...

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

How much insulation is too much in attics and walls?

...windows that in order to get certified they needed an absurd amount (24 inches) of insulation below the slab to meet the overall energy goals. Therefore, due to those windows, the net result of seeking Passive House certification was a higher carbon footprint, as a ton of insulation was needed that far exceed any reaso...

Efficient green home design choices
Concept and design

Efficient home design, or how to design a home to use less energy

...windows facing south ( passive solar ) may have its heating requirements reduced by as much as 25% for virtually no cost. It is important that it be properly-designed to avoid overheating though, or you will negate any heat savings with air conditioning in the summer. A well-insulated, well-sealed building envelope i...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...windows and no vapor barrier but simply a sealed gypsum board box all around, you would have an airtight seal with no moisture carried through by air transport. The key factor here, is that the amount of vapor molecules that will pass through that gypsum board box is insignificant compared to the moisture that will p...

Indoor hydroponic vegetable garden
Food production

Growing food indoors

...windows), are not an issue to be concerned about. In fact, the plants will respond quite well to the warm temperature as long as it stays below 30 degrees Celsius. The system does not create much humidity, and what does result may be welcome during winter when many homes can become quite dry. Given the sound of the p...

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

...windows , additional insulation, better tapes and membranes for air sealing , etc. Ball park pricing: A geothermal system for an averaged size home (2000 sq. ft.) would easily cost you $30,000 to have installed, and that is in exchange for a monthly saving of about 50% on your heating bill. So payback for the average...

Crawlspace radon barrier installation for radon mitigation
Radon in Homes - Mitigation

Removing radon gas from basements and crawlspaces

...windows are closed to get an accurate reading. Normal activity like doing laundry with a dryer vented to the exterior and running ventilation equipment is to be expected, so you don’t need to change your normal behavior when testing a home for radon. If you know or suspect that your home is "at risk" for radon, then co...

Leed platinum plaque
Green building certifications

All about green home certification programs & rating systems for USA & Canada

...windows and doors . Any products carrying ENERGY STAR label are certified to be a high efficiency option. Other rating systems like LEED for example, will recognize ENERGY STAR certified products, and award points for incoporating them into buildings. Passive House: Modeled after the German Passivhaus standard, thi...

Skylights can be problematic in a high performance home
Windows and doors

Are skylights an asset or a liability?

...windows & doors Correctly in LEED & Passive House, see here from the EcoHome Green Building Guides , north America's favourite sustainable construction tips website Members get great Discounts - sign up today...

Radon in Homes - Mitigation

Removing radon gas from well water

...windows or by proximity to heating and ventilation intakes. There are a few products currently available on the market that removes radon from the water directly at the well head. And it looks like this - click it for more information and to get pricing: This system removes radon from well water, click here to ge...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...windows you install. If you ran an energy simulation model to find out how well a wall would perform but you neglected to calculate thermal bridges, you would be trying to solve a math equation without using all the variables and your conclusions would simply be wrong. Thermal bridge-free construction: 1- Be cons...