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How to Calculate Your Real Energy Savings When Replacing Windows and Doors

If you have been looking for replacement windows and doors, then you may have noticed ads from some window companies talking about how good their windows are.  They’ll often tell you how much money they will save you if they replace your windows with their window or with options such as Low-E glass, etc.  You’ve probably asked yourself whether or not you can believe those claims.  Here are some tips to help you wade through the hype and get to the bottom line on claimed savings.

If someone tells you that new windows will pay for themselves in energy savings, there is truth in that statement.  What they don’t tell you is how long it will take to save that much on your heating and cooling bills to cover the cost of the replacement windows. The average time is about 8 to 10 years to recoup the money invested in a new window.  Here’s how that’s calculated.

For the average 2,000 sq.ft. home, the average cost of having replacement windows installed is around $8,500 in total.   This cost is  based on the average home and the most popular energy-saving windows; the median range is between $7,000-$10,000 for a complete installation. This is just an example, and it will of course vary depending on your home and the windows you choose, but let’s use this as our base cost.

If we estimate the average cost for heating and cooling the average American home at $350 per month,  the annual cost would be somewhere around $4,200 a year.  With the standard energy saving features replacement windows have to offer, the average claim is that these new windows will save you approximately 20 to 30% on your annual heating and cooling costs.  So taking a mid-range average energy savings of 25%, you’d reduce that $4,200 annual energy cost to $3,150. You then have an annual savings of $1,050.  Taking the $,8500 window installation cost and dividing it by this amount gives you 8.09, meaning 8.09, meaning that it would take an average of 8-9 years to recover your costs.  This is actually a fairly good cost savings, since most people won’t replace their windows in less than ten years.   Then once you’ve recovered your investment in the windows, for every year you keep those windows, you are saving even more.   And as energy costs increase, so do your savings.

If you are planning on living in your home for another 8 to 10 years, do yourself a favor and enjoy some new windows while you are at it. You’ll pay for those windows in energy savings, plus it will be a good investment. Window Outfitters is waiting to help you save money on your energy bills and beautify your home in the process.  952-746-6661


Window Outfitters is a premier Window Replacement, doors, siding contractor and installer. As Contractor in the St Paul, Minneapolis, (Twin Cities) Minnesota (MN) metro, we proudly serve, but are not limited to, the following areas: Minneapolis Energy Efficient Vinyl Windows, Replacement Window Contractors Minnesota, Burnsville, Apple Valley, Lakeville, Savage, Bloomington, Edina, Richfield, Eagan, St Paul, Hastings, Minnetonka, Plymouth, Maple Grove, Eden Prairie, Farmington MN, Chaska, Shakopee, Chanhassen, Victoria, Mendota Heights Anderson Windows Minneapolis, Marvin Windows Minneapolis.