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Certification of doors and windows

Is there an independent and respected certification mark to look for on doors and windows?

Re: Certification of doors and windows

usually the enerstar logo is on them if they are a decent product

Re: Certification of doors and windows

ALL wondow and door manufacturers have to meet the same new efficiency codes. Ask questions about windows and doors you intend to buy, at the outlet you buy from, and ask to see the labels and certifications. Don't buy windows and doors that are damaged (in delivery), even if marked down.

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