removing-home-humidity / Green Building & Sustainable Home Renovation Information & Advice

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

Choosing between an HRV and an ERV

All homes need ventilation, whether natural or mechanical with an ERV or HRV system. Buildings and houses are no longer constructed leaking heat and moist air the way they used to be; we now build them as airtight as we can, especially Passive House or LEED certified homes. This makes mechanical ventilation essential i...

stove hood bathroom fan central vac
Healthy indoor air quality

Removing dust and moisture from homes

Removing source contaminants and moisture from homes helps keep air healthy for occupants, and helps keep home humidity down. Excess humidity in houses can cause moisture damage, but what is not often considered is that added energy consumption involved, as heating moist air requires significantly more energy than hea...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

Why cleaning HRV units is so important  When any machine has its normal operation hampered, it will reduce its efficiency and ability to function properly. Many of us are probably guilty of forgetting about basic maintenance of some of the mechanical equipment in our homes; keeping your HRV (heat recovery ventilator) c...

Carpenter ants are a common pest and nuisance to get rid of in homes
Pest control

Removing insects and rodents from your home, safely & humanely (by preference)

Insects & Rodents, how to show them the door... Below is a list of some of the more common rodents and insects that invade homes, and some ideas on how to rid yourself of the offending guests. We would certainly advocate for the most humane and non-toxic solutions first, but we have included other options if the hi...

Moving to the Countryside - How to make it Work
Lifestyle, location and commuting

Moving to the countryside? Here's how that can work...

With so many of us being forced to work from home, this has brought many changes to our economy, our priorities and our lifestyles. Not only is there a sudden interest in how to set up a home office, but other green lifestyle choices are popping up; like growing food at home, and safe transportation in terms of commuti...

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

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

Top Tips for preparing a home for winter Extremely low temperatures over winter can test your home in many ways, and sometimes your house will return a failing grade. Even brand new homes built to code can see failures of their building envelopes, windows, doors and ventilation systems during winter, a simple failure t...

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

Ventilation & air exchangers

Homes built in the last 40 years in Canada are relatively airtight. Before that we generally relied on leaky uninsulated walls to provide fresh air and prevent mold and mildew, and they did that very well. Cost and comfort had us adding insulation, but not necessarily sealing our walls. The folly of this was quickly re...

Radon in Homes - Mitigation

Removing radon gas from well water

It is a very wise idea to have the air of your home checked for high levels of radon gas. Health Canada has identified exposure to radon gas as the second leading cause of lung cancer after smoking, estimated to be the cause of 16% of diagnosed cases in the country. A high reading may come, not from having a uranium so...

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

Maintaining healthy indoor air quality

Mold in homes is a bad sign so how to get rid of it or prevent mold in drywall? Mold and mildew in homes develops in conditions of high humidity, most often in bathrooms, kitchens and basements, unless caused by roof leaks and other building envelope failures. Along with affecting the durability of your home, mold and ...

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

Vapor Barrier + Air-Con = Damp Moldy Walls So here's a little known fact that most HVAC installers won't tell a potential new client for central air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home w...

Understanding sound transmission in homes
Insulation and soundproofing

Understanding sound transmission in buildings

Before embarking on any structural changes, it is most important to understand that the sound isolation between two homes is not determined only by the common wall or floor. All the other parts of the construction - side walls, ceilings, floors under walls - can transmit sound. Flanking sound transmission (see below), ...