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Question DetailsAsked on 3/17/2014

how is the quality of mercury advantage windows?

Have not heard of the company Mercury Excelum that is based in CT and makes replacement windows. One line- the Advantage line, looks great but there is hardly any info in it. Any experiences?

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2 Answers

Voted Best Answer

Thermal numbers look okay when looking at the NFRC.

Do you have any other data on them? Air infiltration, Design Pressure, Visible Transmittance, and Condensation Resistance are all good evaluators.

Air infiltration rate is way high at 0.21.

It may look nice in person but the performance numbers are below average.

Answered 5 years ago by WoWHomeSolutions


Wow...that is high.

The windows I was shopping were all below 0.10 and some lower than 0.05

Answered 5 years ago by Guest123


As a window contractor for over twenty years here is my advice. #1 what is the u-value, most important thing to know if you want insulation and energy efficency the lower the u-value the better. # 2 who is doing the installation , the best window is worth nothing if it is not installed properly.

Always check the bbb to find complaint history on your contractors,suppliers etc.

read web reviews where available.

if in new york area call 1-718-863-5278 for a free consultation

Read about energy star requirements at the dept of energy web site, also energy star web site

Source: u-value deffinitions

Answered 5 years ago by the new window man

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