Thermal Energy Leak – Compare Wall and Ceiling Insulation

Many homes in NZ don’t have insulation in the walls and suffer heat loss in a big way.

Although there are now government subsidies to assist you with costs of installing insulation, most people don’t even know if there is insulation behind their walls in the first place.

If you live in a home built in the 50′s, 60′s and so on up to the year 2000, it doesn’t always mean the home has no insulation. In many cases, the home has been renovated and insulation batts or spray foam insulation has been installed along the way.

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Here’s a thermal image of missing insulation in a wall, compared to a ceiling that does have insulation…

Darker Colour Wall is Cooler

As you can see, the wall is cooler in this image and the ceiling is much warmer. When you have a clear surface temperature difference on the gib board wall like this house, it’s quite obvious there’s a lack of insulation. Climbing into ceiling space to install a thermal barrier like insulation is easy, but to insulate the walls requires more money due to the intrusive nature required to do such a job… and that’s why some home owners skip that step.

So how do you know if you have heat energy loss issues in your home?

Let me say this. I inspect and detect issues behind walls in many New Zealand homes… but I had no idea this home had no insulation behind the walls until I scanned it with the infrared thermal imaging camera… I then knew right away. As you can see in the above photo, there would be serious heat loss issues in this particular house.

Something else to consider when looking to install insulation, is how much of your wall do the windows take up? Some windows take up 80% of a wall is some cases, so if the window is single glazed, it’s almost pointless going to the expense of insulating the other 20% because the large cold window surface could knock out the effect of the insulation!

Thermal imaging cameras are the tool of choice to see temperature differences of walls and ceiling… and lack of insulation. It’s simple, fast and no holes go in your walls!

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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

Read 20 more testimonials Here!