When you walk past the windows or doors in your apartment, do you feel an icy draft? If so, you’ve got leaky windows, which can be a real problem. The icy air coming inside is something your heater has to fight against, costing you a lot in heating costs. You probably feel like there’s nothing you can do – it’s not like your landlord will let you replace the windows. You’re not out of luck – you just need to insulate the windows.
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