For all those Replacement Window questions
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Double hung windows
Which window has a higher rating
Relibult 3900 series alias Atrium 8900!
Or Okna 500 Delux
Windows on Washington
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- Location: DC Metropolitan Area-Maryland/Virginia/DC
In that 3 way comparison, the Okna 500 is probably the leader in the clubhouse.
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- Location: Milwaukee, Madison areas
A higher rating in what area? ...And do you mean numerically higher, or superior? Either way, the Okna 500 is in another stratosphere of performance. Significantly better everywhere from u value to air infiltration, etc. provided apples to apples options are compared.
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- Location: New Jersey Window Pro- Northern NJ and Central NJ
Okna is much better on every level. Reliabilt is a lower quality window.
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- Location: Houston, TX
Not in the same league. Okna is heads and shoulders above the Reliabuilt and Atrium.