When well prepared to face cold, a house becomes a confortable and economical refuge during winter.  By preventing cold air from penetrating and by eliminating the heat losses, you can reduce your heating bill and improve your comfort.
On a typical energy bill, we can attribute a loss of up to 700$ to a house whose envelop is not airtight.  Therefore it is important to think "airtight" if you wish to reduce the heating costs.
A Picture Is Worth A Thousand Words
Heating Costs
Leaks & air infiltrations
The Good Solution

A Picture Is Worth A Thousand Words!

A picture is worth a thousand words, and in this case, hundreds of dollars in heat loss. This infrared thermal image shows heat leaking from a house during the cold winter months. The white, yellow and red zones show where the heat is escaping from.