How to Stop & Eliminate Condensation on Windows

How to eliminate condensation on windows

This is one of the most common questions we get asked… and the answer is actually straight forward. Click Here to see how you can do it within minutes!

Let me start by saying that I’m in NZ houses almost every day of the week testing for moisture, or inspecting houses for ‘leaks’ under windows. Well, in many cases they are not actually leaks coming in from the outside (i.e. Weather tightness issues), it’s condensation pouring down the windows and straight into the walls! This is especially the case for windows with no condensation channels, or situations where the miter joints have failed. Even some homes with double glazed windows still get moisture beading on the aluminum frame due to a high moisture content in the air.

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“How do you stop condensation?”

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If you have single glazed windows, then you’re in for an uphill battle right from the get go. Homes with single glazing will always be susceptible to moisture and damp issues if there is no air circulation. A classic example of ‘lack of air circulation’ is when a home owner calls telling us their basement is damp. If you smell damp in the basement of your house, simply ‘test’ putting a dehumidifier in the room. If the smell fades away after a few days, then you know it’s simply moist air. If the smell remains (providing it’s not a permanent smell in carpet), then you could have other moisture/drainage related problems, especially if the external walls are built into the side of a hill.

Back to stopping window condensation…

If you and/or your children are sleeping in a room with condensation on the windows, you should put a stop to this asap, purely for health purposes if anything. If you or someone in your home gets asthma, or generally gets sick over winter, then you need to do your best to begin a logical ‘process of elimination’ of what could be causing the problem. Here’s a few options to test…

Put a dehumidifier in the room… if it fills with water in 24hrs or less, you know the air is very moist! Consider getting some kind of system installed that works 24/7 to keep your home dry and healthy (HRV, DVS, Moisture Master etc).
If the dehumidifier doesn’t work, go for a holiday somewhere and sleep in a different environment for 5 days or so. Has the health condition of the person changed in a positive way? You might find it will, therefore your house is the problem.
Are the bedroom curtains moist? They most likely will be if you have condensation. Curtains in moist rooms act like a big sponge… further introducing ‘sustainable’ damp in the room. Not good.
As a result of moisture on the back curtains (transferred from the wet windows), mould will start growing on the curtain, potentially causing further health issues! Try using this mould cleaning product on curtains… www.removehousemould.co.nz
Here is your best option… Click Here to see how you can manage and control condesation on windows within minutes!

Double glazed windows will certainly help reduce condensation, and also help to retain any heat that is introduced into the room. If you live in a damp area of NZ and are constantly getting sick, then you may have no choice but to sell up and leave! That is the extreme case I know, but many people take this option to resolve moisture related health problems almost right away. Why would you compromise your lifestyle and health, when you could be living somewhere warmer, healthier and generally a dryer environment!

In summary, NZ has moist climatic conditions over winter and there is nothing that you or I can do about part of it… but there are always ways around it, generally at a cost. Before you hit the panic button, the best low-cost place to start is with moisture testing the home to make sure the problem isn’t originating from behind the wall, which is often the case… and usually doesn’t cost much to fix providing it’s not a widespread moisture ingress isssue.

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Client Comments... (All testimonials can be verified as true and correct... updated in 2011)

I enlisted Dean’s services 2 days prior to “D-day” of us purchasing our first NZ home. Dean proved to be an extremely efficient and knowledgeable technician. He has a very good understanding not only of his specific field, but also of general building requirements. He was easily able to spot, and talk me through, existing as well as potential problems, and was very open to answering the myriads of questions I fired his way. Most importantly, he gave me non-biased answers, allowing me to make an objective decision regarding the purchase of a potentially leaky home. Thanks again for excellent service Dean! Simone P - Titirangi

We have lived for some time in an old weather board cottage which we have renovated over a period of years. Recently we discovered a leak, so we googled “find a leak” and found a comprehensive and detailed website of the same name. Next we spoke to Dean and an appointment was made. He was punctual, courteous and his experience was obvious. His thermal imaging equipment is ‘state of the art’ and the source leak was quickly detected.

Dean was able offer practical solutions which we can act on with confidence. As a result of this experience we would recommend the use of his skills before the sale or purchase of any property to be reassured as to the integrity of the property. Dean is personable, a superb communicator and a true professional. Maggie & David M - Waiatarua

Dean was very professional and I would highly recommend anyone that is thinking of buying a property to get thermal testing done. Fortunately it was by pure chance that I even knew these tests were available after speaking to my neighbour and he advising me. The house we were looking at had water leaks and Dean has saved me many thousands of dollars in the long run. David G - West Auckland

Dean is a very professional and friendly guy. He goes step by step through the process which is very valuable. When he finds a potential problem he immediately notified to me and discussed with me in details on what actions could be taken. Anyway no major problems were detected in the property I wanted to purchase. However I greatly advice anyone to obtain Dean's professional service to make sure the property is in a satisfactory condition. Robbie P - Glen Eden

Thank you very much for the great service, very professional and appreciated the time taken to explain the process. Very glad to know that with all the stigma that goes with plaster houses, ours is not a leaky home. The report has helped pin-point some areas for maintenance which we plan to undertake sooner rather than later..Thanks again. Heather M - Maraetai

We were a bit apprehensive about what the leak detection might find, but found Dean’s confident, friendly and very capable approach extremely reassuring. While we were greatly relieved by the findings concerning the exterior of the house, Dean’s thoroughness in looking also for internal issues uncovered a surprise bath leak. Thanks Dean for solving the mysterious odour that’s been bothering us for the last 6 months! We highly recommend Dean to anyone with even the slightest concerns regarding moisture in their homes. Kevin - West Auckland

Thank you Dean for your prompt service. I was given 2 days to have a Building inspection done which found some dampness in the house. It was well worth the money spent as Dean found some other damp issues. He was very thorough and very informative and even though there were issues with the house they were all fixable so I was then able to re negotiate the purchase price. I would recommend anyone buying a house- any type of building structure to have ’Thermo Imaging’ as part of a building inspection. Thank you once again. Maree, Glendowie

We had some concerns about a recently renovation house including a lower basement. Being nosey I popped around to join Dean on his inspection. Apart from enjoying meeting him, Dean was enormously informative, approachable & friendly, I found the technology & information I gleaned fascinating. Fortunately, we identified no significant issues with the property. It gave us great peace of mind & we can enjoy our new home knowing we have bought a dry, water tight property with with hidden surprises. Thank you Dean for your help & reassurance. To my mind it is certainly worth the modest sum versus potential costs you could incur which could also mar one of most expensive purchases of your life.. Diane - Devonport

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