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Windows Sweat and Condensation - What Should You Do?

Discovering water droplets forming on your window panes isn’t uncommon, especially for Canadian enduring such harsh winter climates. The extreme low temperatures cool the glass, which in turn cools the air that comes into contact with it, creating condensation. The fogged glass caused by these water droplets looks unappealing, and can induce the formation of harmful moulds. Take care of sweating windows as soon as possible, to avoid an uncomfortable, unhealthy home.

Ventilation is Key

Poor ventilation in your home can make condensation worse, and the formation of mould escalate quicker. Opening your windows from time to time can help move stale air out, and bring fresh air into your home. However, in doing this you waste heat and money. If your windows have gaps or leaks, chances are they are providing a source of ventilation by allowing the free passage of air from outside to inside.It is wise to seal these leaks, and seek ventilation elsewhere, in order to retain heat in your home and save you money.

Heat recovery ventilation systems (HRVs) are a great condensation-combating solution in cold Canadian climates. They reduce moisture build up by transferring stale air out of your house, and bringing fresh air into your house. Furthermore, HRV stake the heat from the stale, indoor air, and transfers it to the fresh, outdoor air. This helps in regulating the temperatures in your home, keeping it warm and comfortable in the wintertime.

Dealing With Mould

Water droplets on your windows will fester along the edges, and could lead to the formation of harmful moulds. This is not only an unsightly mess, but also a prominent health risk for your family. Mould should be cleaned as soon as it is discovered, and measures should be taken to prevent its formation in the future. To avoid future outbreaks, take care of your mould problem with a fungicide, and keep your windows dry.

Dry windows and increased ventilation will keep window-sweat under control,and ensure a healthy home for you and your family.


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Google Rating
Carl To
in the last week
Alex and the team at north shield were amazing. Great customer service, along with a great team of installers. North shield replaced my 2 front living room windows in 1 day. They even took away my awning! Highly recommended
Emma Liiv
3 weeks ago
Jim gave us a great price, and I was also very happy with the installation team. Great workmanship, product, hey we’re friendly and clean. I am left feeling good about the company we chose to do our windows. I would certainly not hesitate in recommending them.
Darrell Karen
a month ago
Andy and his crew installed the windows as agreed and were extremely pleasant. The cleanup was exceptional. They arrived on time. I would recommend North Shield to anyone looking for new windows. The service was incredible, The pricing was very good. The sales person Jim Scammel was very informative and knowledgeable. We had quotes from five (5) companies and feel good with our decision. The overall product was exceptional, but Andy was the STAR!!!! We did 17 windows and a door, so this was an important decision to our family.
Monique Vandale
a month ago
We love our new windows. It was a challenging job for the guys as we are on the second floor of a condo but they were very professional and up to the task. Windows look great inside and out.
Renee L.
3 months ago
We had our windows installed last summer and absolutely love them - especially the large kitchen window. Our sales rep Jim S. was terrific and knowledgeable. The installers did a professional, skilled job of installing our windows. And the windows themselves are high quality, easy to open and easy to clean - as well as reasonably priced. We are very happy with our entire experience with this company and highly recommend them. Thank you!
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