Ventilation / Guides

Greenhouse Construction for Cold Climates
Greenhouses and Sunrooms / Solariums

How to build a greenhouse in a cold climate

...Ventilation: At this moment, two small fans provide the necessary fresh air and moisture removal. The installation of a ventilation system powered by solar panels is planned for the future. Growing season: At present, it is used for a little over three seasons; there are about 2-3 months where it is not currently i...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...ventilation, as a way to keep your home cooler in summer and warmer in winter while saving a ton of money. Remember, Insulation is the gift that keeps on giving, long after that fancy new central air conditioning system needs major servicing or replacement. Why are old homes with air-con in great shape while new ones...

Passive House design Vancouver
Passive House

The city of Vancouver is actively promoting Passive House construction

...ventilation Training city staff: The city has hired Passive House Canada (PHC) to train more than a hundred City of Vancouver staff (plan checkers, rezoning planners, development planners, inspectors, etc). There are also two city building inspectors who are Passive House Certified tradespersons and will work with ...

Air-heated radiant concrete floor
Delivery: radiant, forced-air and decentralized

Air-heated radiant floors

...ventilation air cannot be introduced into a building at a temperature below 17° Celsius at floor level, and not below 13° Celsius from vents located high on walls or the ceiling. Because of that, every fully ducted ventilation system in a home with any type of radiant heat will require supplementary heating to heat ven...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...Ventilation! Another considerable improvement in keeping basements mold-free is to ensure adequate ventilation . Whilst cracking open a window if your basement has them is fine if the humidity conditions outside are favorable, that's pretty hard to judge; so a better alternative is to choose a good quality discounted...

Which House Plants are Best to Clean Air & Remove Toxins?
Healthy indoor air quality

Which house plants are best for purifying air? Ecohome investigates

...ventilation units to protect against viruses and remove allergens . Ventilation systems for home renovations If you are looking to add a ventilation system to an existing home or for a new addition, while it’s not always a feasible solution to bring ductwork to the new living area, there are ductless HRVs and ERVs ...

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 ventilation - make sure your attic is properly ventilated. Check the attic to make sure that insulation isn't jammed down on the edges and blocking soffit vents . Proper...

BC Energy Step Codes - Builder Design Guide &  Requirements explained
Building codes

The new BC energy step code: builder design guide & requirements explained - Vancouver

...ventilation openings, and how to ensure windows and doors are properly sealed . New BC Energy Step Codes - A Step in the Right Direction How the BC energy step code works: The BC Building Code puts buildings into two basic categories – Part 9 and Part 3 . BC step code part 9 – This refers to houses and sm...

Slab on grade or a foundation and basement?
Foundation choices

Choosing between a slab-on-grade or a foundation and basement

...ventilation & Mold prevention - EcoHome Guide 'How to build basements that don't stink' - Dr. John Staube, University of Waterloo Top Tips: For Building a Slab-on-Grade Foundation: Insulate effectively by Installing 8 inches of Roxul mineral wool below a concrete slab floor Follow the advice in THE ECOHOME ...

PSI

Case Study: Kenogami House, Saguenay, Quebec

...ventilation is provided by a Zhender air exchanger rated at 93% efficiency and along with interior appliances is powered by a 5.4 watt photovoltaic solar panel system. The ceiling is insulated to R151; walls have a 'true' R value rating of 80, and the energy load needed for heat on the coldest days is estimated at 12...

Step by step guide for slab-on-grade home construction
Slab on Grade

Slab-on-grade construction: the ecoHOME A to Z Slab building guide

...ventilation) and seal all above-ground extremities before pouring the cement. For a video on radon barrier installation under a slab on grade, see here Detail design Notes: If you plan to eventually build a second bathroom, get your contractor to do the rough-in before pouring your slab on grade or Frost Protec...