Window performance / Guides

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...Window openings were built out to allow for the additional exterior insulation. The Delta air barrier was wrapped around the entire window box and into the interior. Window build outs for exterior insulation © Ecohome 4. Trusses were dropped on top after walls were completed. The trusses we needed for this hous...

Affordable green prefab homes - contemporary rancher style - Abri 1850 BV
Architecture and plan design

Prefab Homes for Sale - Beautiful & Sustainable - Available Now

...performance in the Abri range of high-end prefab eco homes - especially around the high performance door and window openings - and eliminates thermal bridging . "We have acheived an outstanding level of sealing for water, air and heat in these homes by careful design", says Rob Miners Only Top-Quality component...

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, they become the weak link in the chain and you can effectively undo all your own efforts to reduce heat loss. So in the case of a super-insulated wall with cheap windows, the loss of thermal performance of that entire wall section (windows included) may have been a more expensive option than reducing the ins...

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...window frames and wall assembly from moisture damage by stopping humid air from escaping and depositing moisture in the wall around your windows. Read more here about what to look for when shopping for high performance windows. Drafts around windows and doors: Drafts in homes from windows & doors are worse in win...

Multi Unit Passive House design Vancouver Island BC
Passive House

The North Park Passive House on Vancouver Island, BC

...window shades, and PV array on roof . The high performance HRV is a Zehnder Novus 300, High performance windows are made by EuroLine . Multi-family Passive House project on Vancouver Island BC Passive House interior kitchen design Vancouver Island BC P...

Real estate

Are you selling a house? Here are the top 10 things homebuyers look for This is a tricky topic - you don't often get your money back out of a window replacement unless they were in very bad condition. Sometimes repair is a more sensible option, read more about what to look for when choosing windows. But - don't be sold into replacing all your windows without first reading our page...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...performance as of 2012, it is now required in most areas that you break thermal bridges with some form of continuous insulation. With that, performance has improved, but there is still the matter of an enormous quantity of wood that makes up the frame, so the stated R value of batt insulation does not reflect the per...

Condensation on windows in our homes - why is it there? - how to stop it?
Walls and Roofs

Condensation on windows is a pain but is it a problem & how to stop it? , and the best way to keep on top of condensation around windows is to be on the lookout for any damage to the sealant around the window frame as this can allow water in – to learn how to fit and seal windows properly, see here . Also, if there is some condensation, try to wipe down windows and window sills p...

Building a Passive House that's LEED Certified too - an Owner's Tale
Passive House

An owner/builder's account of building a Passive House were another hurdle, as they represent one of the major contributors to air leakage (and the resulting discomfort of residents). The only Passive House certified windows that met the performance targets we needed were triple-glazed units made in Ireland (R-7 to R-9). Installation proved a bit more challenging t...

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

...performance evaluation: Often, 'no news is good news', but not if you're considering something new to the market that has a very important job to do. Your air exchange system is just such a thing. We will be happier when there are more of them out there so their performance can be better measured. The risk to the env...

heat pumps in tandem with heat pump hot water tanks
Heat pumps, geothermal and AC

Increased efficiency with heat pumps working in tandem

...Windows are a part of that but they are also part of our energy performance strategy. The house is laid out south facing to maximize passive solar heat gain, so we have designed and chosen windows to take best advantage of that. Window glazings on the North, East and West have an R value of 8.4, but intentionally o...