Why do energy efficient windows help reduce condensation?
Will new windows eliminate condensation?
- · Condensation is a direct result of interior humidity and the difference between indoor and outside air temperature.
- · Warm moist are seeks a cold surface. This is a basic law of physics.
- · A glass with ice will form condensation. The moist air in the heated room is seeking a cold surface.
- · If you keep the humidity in your house low, then the likelihood of experiencing condensation is also low.
- · However, the efficiency of your window will also impact the temperature and humidity level at which condensation occurs.
- · High performance windows with low U-factors result in inside glass surface temperatures much closer to the room air temperature
- · Windows with warm edge technologies and non-metal frames are also less likely to have condensation on the frame or at the edge of the glass
- · Insulated, high efficiency windows greatly reduce condensation on the interior surface of the glass
- Note that in certain conditions (humid mornings after a clear night sky), windows may have dew on their outside surface
- This “dew” appearance is a sure sign your windows work. Your new high efficiency windows do not change with the exterior conditions.
- The dew will dissipate as the morning wears on.
How can I tell if a window is energy efficient?
- · Check the window’s NFRC rating label. Quality replacement windows will have an NFRC label adhered to each new window.
- · The NFRC (National Fenestration Rating Council) is an independent testing organization that rates the “U-Factor” for replacement windows.
- · U-Factor is the amount of heat transferred through a material.
- · The Federal guideline recommendation is .30 or less
- · Lower U-Factor numbers can be achieved. The lower the U-Factor, the slower the heat flow, the better the insulating quality.
- · A newer measurement mandated to measure window efficiency is SHGC (Solar Heat Gain Coefficient)
- · SHGC measures how much heat is allowed to transfer through the glass by the sun’s rays.
- · The lower the number the better. Typically .30 or less.
How can I tell if I need new windows?
There are tangible signs your old windows need to be replaced:
- ·Your windows are difficult to open or close.
- The window sash falls unexpectedly.
- You rely on a storm window, and that is highly suspect.
- Drafts are evident. Air leaking through and/or around the windows.
- Excessive condensation or icing on the inside of the window panes.
- Windows rattle in the wind.
- Paint chipping or peeling.
- House is always too cold in winter – or too hot in summer.
Why should I buy new replacement windows?
- · Adding new replacement windows to your home can be valuable in many ways.
- · For homeowners looking down the road toward eventually selling their homes, energy efficient windows can be a strong selling point for your realtor and will increase a home’s value.
- · There are benefits you’ll enjoy right away, like the savings on your home energy bills from increased window efficiency.
- · Your quality of living will benefit, the beauty and elegance in appearance is self satisfying and appreciated by those that visit your home.
- · Benefits like reduced drafts and better overall comfort enhance your day to day standard of living.
- · Replacement windows are a great investment both financially and in less tangible ways.
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Archives
June 2009: Schmidt Exteriors sign with WGN radio and the Lou Manfredini “Mr. Fix It” show for another year of sponsorship. Lou has been a great supporter of Schmidt Exteriors and is a true believer in the Air Krete Foamsulation story
September 2009: Schmidt signs with Pella Corporation to re-up as a Pella Certified Contractor. This exclusive group of 42 dedicated, factory trained, family owned companies serves the Chicagoland and Northern Indiana markets. Go to: www.pella.com —where to buy —- scroll to locate a contractor —-click on “remodeling a home” and enter your zip code for a professional Pella Certified Contractor near you.
December 2009: Schmidt signs contract with Chicago Housing Authority “CEDA” to provide Air Krete Foamsulation for the Beth Anne Residences. This 124 apartment retirement home has strict requirements. Air Krete was chosen because it can fill an existing walls without fear of blowing out the plaster or drywall. Air Krete does not expand or contract. Because Air Krete is a foam, the fill in an existing wall is almost 100% and Air Krete has a high R-Value of 3.9 per inch of thickness. It is also non toxic and has no odor when or after it is installed. Air Krete is 100% fire, smoke, smolder and off gas proof. A perfect fit!!
February 2010: Mike Schmidt and Jim Timze to be Certified Lead Remodelers by the U.S. Environmental Protection Agency. This certification shows the ongoing dedication of Schmidt Exteriors, Inc to its chosen market
February 2010: Mike Schmidt to view the Marvin Factory in Warroad, Minnesota. Taking time out to view the latest and greatest advances from Marvin windows is a win/win for Schmidt and you, my client.
March 27, 2010: Schmidt Exteriors signs with WGN and the Lou Manfredini show to do the “Lou it Yourself” home show at Arlington Racetrack. The theme of the show is to inform homeowners on how to do things by themselves. Mike Schmidt will give a 30 minute talk on how to properly insulate an attic, analyze and correct airflow and at the same time get money from the government for doing it. Come Join us on March 27, 2010.
