humidity-homes / Green Building & Sustainable Home Renovation Information & Advice

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...

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...

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...

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...

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...

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 ...

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), ...

For most of us, purchasing or building a home will be the biggest investment of our lives. This section is about knowing what to look for in new homes to get the best value for your dollar, or what to look for in a building lot for the same reasons. What to look for in a location: Being close to where you work and pla...

1. Hiring an architect: We discussed previously the idea of choosing an architect that specializes in high-performance Eco-friendly home design and can co-ordinate the work. They should be able to help you find general contractors and subcontractors that can help you carry out your work according to plan. This route is...

The first step to controlling sound transmission in buildings is assessing the situation. What kind of noise is it? Noise in buildings is usually assigned to one of three classes: Airborne sound: Sound such as voices, TV or stereo sounds. The source does not strike or vibrate against the structure of the building. Stru...

The classic dilemma when buying a property is whether to buy new, to buy something older but move-in-ready, or to buy a complete fixer-upper? For a first-time homebuyer seeking an eco-friendly home it's even more complicated! This puzzle can feel as baffling as choosing between chocolate, vanilla, or strawberry ice cre...