Humidity / Discussions

...humidity even in cold air, that could be a factor. Here is a good page to start reading that may have your answers – Condensation on windows and how to deal with it Humidity in homes can be from drying building materials, and general human occupation of a home such as cooking, cleaning, bathing, etc, and whether or no...

...humidity at 20% in a cold spell and I am going  to install a humidifier. I have a merv16 air filter installed. Do I need an HRV or ERV ? Do you think this house would have sufficient fresh air ?

...humidity here in Guelph, ON is between 30 - 40 % RH. We have awhole house dehumidifier. in 2020 we had new doors installed. When it hits -10 or colder the doors get ice buildupon the outer edges aand can freeze shut. Why? and what more can we do to lower humidity? That is odd, since your humidity isn’t all that high ‘r...

...humidity.  Thanks for reading, and I await your response. Regards, JC You’ve got two things going here - properly insulating your crawl space and building a wine cellar – I would treat those as two separate issues for the moment, because each space will have different humidity levels and likely temperatures as likely, ...

we are thinking of upgrading our cottage. Currently it is off the ground at various heights, from 6" to 3 ft. Supported by cement blocks at various locations under the cottage and some around its perimeter.  In order to install a master bedroom and ensuing plumbing needs to be installed in this crawl space. Also we are...

...humidity down there, I think the proximity to the ground being only 2 feet really doesn’t help. What you will need to do is install a membrane to prevent moisture in the dirt from evaporating into the air. But one question first, where are you located? Are you in a high-risk area for Radon contamination? If so that can...

Waste water cannot exit when valve is closed giving a risk of sewage from inside overflowing in basement. Sewer line (Naturally) is below grade and not readily accessible. There is a drain with P trap subject to collecting rain water. It may be a source for detecting sewer backup upon an overflow. What would be the bes...

...humidity in your crawlspace and increasing your risk of mold forming. Here is our page all about how to insulate a crawl space –  Crawlspaces are very rare as part of a new home construction nowadays in USA & Canada. If you've got one here's how to fix it. The condensation under your vapor barrier can be a little d...

...humidity in your home. They aren’t expensive (probably in the $20 range) and it will be great to have in the future to keep an eye on the humidity levels.   As for the source of humidity – here are a few more questions – do you have basement and is it humid? Do you have and use a stove hood, and does it vent out? Do ha...

...humidity inside my home is still high 50-65% . Furthermore, a contractor recommended installing an air purifying system, adding additional insulation in the attic and refinishing the walls in the basement to reduce humidity and coldness in my home.  Frankly, I am not sure whom to trust anymore, therefore, your guidance...

...humidity. We normally recommend insulating and sealing the crawlspace walls and floor instead, and having it moderately heated to keep any pipes from freezing. If insulating between the joists is your chosen method, be sure there is a vapor barrier included on the warm side of the insulation.

...humidity. New buildings often take a bit of time to dry out, so it would not be unusual that in the first winter there would be higher levels of humidity as building materials dry out. Installing an HRV will likely help, you could also look for a model that also provides dehumidification. To understand the difference b...

I live in Sudbury Canada in a 1959 bungalow and the basement is always humid and the dehumidifier runs constantly. It also costs a fortune to heat. I was advised to insulate the top portion of the foundation (the top third) but the wall is not insulated at all. And on the bottom of the walls there is a white powder. Ac...

...humidity level in your home if it is too high, so first hit the hardware store and pick up a hygrometer to measure the indoor relative humidity, They cost about 20 bucks. If you normally have high humidity (50% RH or more) it would be wise to work to reduce it, and not just for your door knob but many other reasons...