High humidity in homes / Guides

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...ing indoor air quality and reducing total HVAC ratings and energy requirements. ERV technology is not only an effective means of reducing energy cost and heating and cooling loads, but allows for smaller equipment. Additionally, ERV systems allow for maintaining the ideal relative humidity of 40% to 50% in indoor hom...

What is Interstitial Condensation? (And how to stop it!)
Walls and Roofs

What is Interstitial Condensation in Walls or Roofs? (And how to stop it!)

...in winter when warm, moist, internal air from inside a structure finds its way into cold exterior walls, floors or roof and ceilings . It can also be caused in in summer months in conditions of high external humidity in combination with heavily air conditioned homes that have interior poly vapor barriers - but more of ...

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

Which houseplants are best for purifying air? Ecohome investigates

...intaining health, succumbing to these internet myths and relying on plants to clean your air may worsen the indoor air quality in your home. It’s far better to follow practical and proven methods and guidelines, such as those laid out in home rating systems like LEED . One example of something the internet has spread a...

Non-toxic building materials can improve home air quality
Healthy indoor air quality

Maintaining healthy indoor air quality

...ins, flame retardants build up in fatty tissue . Consequently, predators higher on the food chain can have dangerously high levels, which in some cases includes humans. Air and water currents moving north have led to alarmingly high levels of flame retardants in polar bears, as well as people living in northern communi...

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...ing indoor moisture and the hidden moisture within basement wall assemblies will control the growth of indoor mold. According to the EPA , indoor relative humidity (RH) in homes should be kept below 60 percent - ideally between 30 percent and 50 percent, In addition to preventing mold forming, maintaining the correct...

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?

...in peace!) – Surprising how rarely Mom’s buy into this as a plan! Interestingly, up to half of the high humidity solution is changing personal habits in the home: Showering - The bathroom is the most humid place in the home, and something as simple as taking a shower releases huge amounts of humidity into the air...

Prefab LEED Passive House Kit Homes the Future of House Building?
Passive House

Prefab Passive House & LEED ready kit homes - the future of home building?

...Indoor Air Quality (IAQ) for the short and long-term health of homeowners and their families. Beyond carefully selecting the materials in a kit home for a healthy interior air quality, we also need to maintain that quality by bringing in and conditioning the interior air in homes in an energy efficient way. This includ...

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?

...ing - Is the ceiling vapor barrier intact and doing its job? There are 3 different issues to check for and to deal with to fix the problem of ice buildup in an attic, and you really should work towards accomplishing all of them. 1. High humidity in homes First of all, if the relative humidity of air in your hom...

Lifestyle and environment

Resources and getting started

...ing between buying, building or renting 1. Building a new home. Building a sustainable and energy efficient house is not necessarily more expensive than building a house simply to meet provincial building codes. Many new home starts have achieved far superior performance while still coming in the same or lower in c...

Reflective window film to reduce overheating
Windows and doors

Product feature: window film treatment to reflect heat and lower air conditioning bills

...in into walls. Saving on window replacement A common misconception in home renovations is that money can be saved by replacing old windows. In Reality, rarely does the cost of window replacement purely for saving money actually translate into more money in your pocket, as the cost of purchasing and installing windo...

How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...in cold winter climates, an ERV system transfers the humidity from the air being extracted to the incoming fresh (and dry) air to help keep the ambient internal humidity level at a reasonable value (between 40 and 60%) at all times. In summer, the humidity transfer in an ERV reverses and the humidity in outside air i...