Financial of the "Haftzova" newspaper. Heating money escaping from the windows? Before buying a new boiler, it might be better to check the windows and seams of the house. There are various ways to reduce heat loss, from sealing films worth several hundred thousand tomans and curtain liners to glass films and double-glazed windows costing several tens of millions. But the economic choice depends on the condition of the window and the type of insulation required. Under what conditions is cheap sealing sufficient and when should you go for a window replacement? Read the prices, the use of insulators and important points before buying in the Haft Sobach newspaper report. The fatwa | news | Sports 7.