Winters bring to our mind some thoughts on checking insulation of our houses so that whatever heat we are generating in our living spaces is not getting wasted. Those who are staying in old houses would be facing this problem more as during the construction of old houses scant attention was paid to the issue of thermal sealing. In addition over the years the gaps might have got widened thus allowing heat to escape.

Buying a thermal imaging camera would cost normally around $1500. But there is an accessory now which can make your smartphone whether an iPhone or Android phone a crude thermal imaging camera.
But this would be enough to meet your requirements. Accessory for smartphone costing around $150 will virtually let you decide about the gaping gaps in your houses which are increasing your bills.

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