Does a magnetic seal on a window make any difference?

Here’s a question we’ve been asked quite a bit lately:  are magnatic seal windows any better than other windows?

Short answer: No.

Longer answer: No, but you don’t have to take our word for it.  Anytime you’re trying to evaluate any feature that relates to energy efficiency you don’t need to take anyone’s word for it.

Everything related to the efficiency of a window is measured.  You can compare the differences between models to see if any specific features makes any worthwhile difference.  If the rating is better the window is more efficient.  If it’s not better then it’s not more efficient.  That’s all there is too it.  Even if a feature seems like it “should” be better, if the rating is not better than the window is not more efficient.

If you find a rating does get better when you add a specific feature, the next step is to determine if it’s enough of a difference to make a decision in your purchase.

For example, the Okna 800 windows have a magnetic seal and the Okna 500 windows do not.  If this feature made a difference you’d be able to see it in the air infiltration rating.  What’s the difference in air infiltration between the two?  0.01 cfm/sqft.  That’s not very much, especially when you consider 0.30 or better is the top tier according to AAMA.

magnetic seal windows
Magnetic seals on windows typically don’t make any difference in terms of the efficiency of the window. They’re included as sales pitch and we encourage you to avoid these windows.

Is that difference entirely caused by the magnetic seal?  No, there are other differences between the two models.

Is that difference enough to warrant the extra cost?  Only you can decide, but I sure don’t think so.

Why then do some windows now come with magnetic seals?  Because it sounds attractive.  The salesperson can tell you that your fridge has a magnetic seal and that sure seals well.  Of course your fridge isn’t subjected to any winds, but he leaves that part out.

We ALWAYS recommend avoiding any product with features that are only included to be part of a sales pitch.  It should make you wonder how much of the rest of the story the salesperson told you is worthless.

For more information on various window options take a look through the best replacement windows reviews on the internet and find more info on window sales scams.  We hope this info helps as you’re thinking about new windows!

If you’re looking for a window company right now, the best advice we have is to check out our list of the best window companies all over the country.  You can find it right here. 

Update: We now have more recommend LOCAL window companies than ever before.   Click here to see who we recommend in your town.  It's 100% free.  You'll thank me.  There is no better resource; you're going to love it.  See for yourself right here.  

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1 thought on “Does a magnetic seal on a window make any difference?”

  1. fenestration PRO-VERRE
    250 Mario,brossard Quebec
    450-904-7991 loc 29
    just completed installation HYBRID windows and doors,price and quality geat! installation perfect,employees first class.

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