Relative humidity / Discussions

How do you solve high humidity issues in a home?

...humidity is frequently in the 70's (yuck!) on the top floor and low 60's on the main floor. Sadly, portable dehumidifer does not seem to help and I am tired of ...

Posted by Megan McIntosh Jan. 6, 2021, 2:18 p.m. Ventilation 0 Responses

How do you lower winter indoor humidity in a home in Guelph, ON?

...humidity? That is odd, since your humidity isn’t all that high ‘relatively’ speaking. Houses in cold climates should maintain indoor Relative Humidity levels of...

Posted by Gary Luck May 26, 2021, 3:01 p.m. Healthy indoor air quality 1 Responses

Is it normal that condensation forms on the windows of my new home?

...relative humidity (RH). To understand all about condensation on windows, and how to prevent & cure it - see here . But to answer the question, if you don’t ha...

Posted by Kevin Newman April 19, 2017, 10:30 a.m. Windows and doors 1 Responses

How do you fix high humidity levels in a basement?

...humidity inside my home is still high 50-65% . Furthermore, a contractor recommended installing an air purifying system, adding additional insulation in the a...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

How do you stop high condensation in a house?

...relative humidity. You are taking the right steps with a dehumidifier, the problem is that clearly your dehumidifier doesn’t have the capacity to treat all the ...

Posted by Milly Bassier Sept. 27, 2021, 8:56 a.m. Walls and Roofs 1 Responses

Should our HRV keep our humidity lower than 40%, even in the cold months?

...humidity, so in your case it's not helping with the humidity, so as long as the air isn't seeming stale I'd cut it back a bit, maybe to whatever you would norma...

Posted by Kim Clement Feb. 8, 2021, 5:43 p.m. Ventilation 5 Responses

How do you remove water droplets from under a crawl space vapor barrier?

...relative 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 ver...

Posted by Paul Racioppo Feb. 7, 2020, 3:49 p.m. Crawl spaces 3 Responses

What's the best way to seal a crawl space and insulate?

...humidity -get a hygrometer (moisture meter) and see what the levels are in the crawlspace. It's best kept below 50% Relative Humiity if you can, and a dehumidif...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...relative humidity? Its’ best to keep them below 50% RH if possible, certainly below 60%. You have a few questions going on here so I’ll do my best to answer -...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

How do I get rid of moisture with cement floor crawl space that has a vapour barrier?

...humidity levels? Homes (basements, crawl spaces and the whole shh-bang) are best kept below 60% Relative Humidity to avoid mold and I’m wondering how high above...

Posted by Cindy Chatham 04 chatham Aug. 25, 2020, 4:47 p.m. Crawl spaces 1 Responses

What causes moisture on a ceiling in winter?

...relative humidity. This page about condensation will probably help - Condensation on walls and windows - what causes it and how to fix it This page as well ...

Posted by Cheri Banet Jan. 23, 2020, 10:22 p.m. Wall assemblies - renovation 1 Responses

What is the best exterior rigid foam insulation for under a deck?

...relative) I think you’d be wise to get a dehumidifier down there. It’s best to keep basements below 50% Relative Humidity or lower if you can. Thank you for the...

Posted by Andrew Cherubini March 21, 2021, 9:02 p.m. Insulation and soundproofing 3 Responses

Is Condensation on Windows a bad sign?

...relative 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 leve...

Posted by Greg Olmstead Dec. 12, 2019, 6:21 a.m. Walls and Roofs 1 Responses

What is the best way to Insulate the crawl space of an old home?

...humidity will find its way into the main floor of your house. Do you have a hydrometer for testing the relative humidity? That would be a good thing to have. ...

Posted by Aj Jan. 21, 2020, 8:13 a.m. Crawl spaces 1 Responses

What type of wood can be installed on a radiant floor?

...relative humidity. Some hardwood species perform reasonably well in this capacity, but we would recommend that you first consider engineered hardwood for adde...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

How do you get rid of mold in a bathroom?

...relative humidity, relative humidity levels (RH) should not exceed 50%.

Posted by Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses

What is the best way to insulate a home from the outside?

...relative humidity.

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...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 abo...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 2 Responses