WHAT ARE THE KEY FEATURES & BENEFITS WHEN CONSIDERING NEW REPLACEMENT WINDOWS?
After 25 years of providing beautiful, energy efficient replacement windows, we understand the five features and the benefits that everyone needs to have from their new replacement windows.
- The ability for both sashes to Tilt in (for double hung windows)
- Easy cleaning of the outside of the glass
- Maintenance Free
- No exterior painting or re-glazing of the glass
- Energy Efficiency
- Lowering the ever-rising energy bill
- Form a weather-tight seal
- Eliminating drafts
- Beautiful
- Visually appealing
- Windows are the eyes of your home
95% of all replacement windows on the market today claim to have these five features
But Do They?
Visually, most replacement windows look the same.
How do you know if you are getting a quality replacement window?
All American made replacement windows are sent to an independent council to be tested and rated.
This is called the National Fenestration Ratings Council and they only test and rate (not sell) replacement windows.
The NFRC (National Fenestration Rating Council) independently tests and gives replacement windows two energy performance ratings and three addition performance ratings
Energy Performance Rating
- U-Factor
- This rating measures the amount of heat leaving your home in the winter
- The lower this number, the more energy efficient the window
- As of 2021 this number needs to be .30 or lower to receive an Energy Star Certification
- The lower this number, the more energy efficient the window
- This rating measures the amount of heat leaving your home in the winter
- Solar Heat Gain Coefficient
- This rating measures the amount of heat allowed in during the summer months
- Allowing your air conditioner to click on and off all day long.
- The lower this number, the more energy efficient the window
- This rating measures the amount of heat allowed in during the summer months
Additional Performance Rating
- Visible Transmittance
- Rates the amount of visible light allowed
- The higher the number the better
- However, there is a delicate balance between allowing in visible light and solar light/heat
- The more Low E coating applied to the glass to block solar heat, the more visible light is blocked
- However, there is a delicate balance between allowing in visible light and solar light/heat
- The higher the number the better
- Rates the amount of visible light allowed
- Air Leakage
- Rates the amount of air allowed in from the outside
- This number needs to be low (less than .10)
- You do not want to replace your old drafty windows with new drafty windows
- Condensation Resistance
- Rates the ability of the window to keep moisture from the outside coming inside
- The higher the number the better
- This number is usually lower when there is a metal spacer in between the two panes of glass
- Metal and glass expand and contract at different rates
- Which can cause Argon gas leakage
- Condensation/ice forming on the inside pane of glass
- Metal and glass expand and contract at different rates
- This number is usually lower when there is a metal spacer in between the two panes of glass
- The higher the number the better
- Rates the ability of the window to keep moisture from the outside coming inside
After testing and rating, NFRC places a sticker on the inside of the window sash. This sticker acts like a report card showing the performance of your window.
You should not purchase windows that do not have the NFRC rating.
WHAT ARE THE KEY FEATURES & BENEFITS WHEN CONSIDERING NEW REPLACEMENT WINDOWS?
After 25 years of providing beautiful, energy efficient replacement windows, we understand the five features and the benefits that everyone needs to have from their new replacement windows.
- The ability for both sashes to Tilt in (for double hung windows)
- Easy cleaning of the outside of the glass
- Maintenance Free
- No exterior painting or re-glazing of the glass
- Energy Efficiency
- Lowering the ever-rising energy bill
- Form a weather-tight seal
- Eliminating drafts
- Beautiful
- Visually appealing
- Windows are the eyes of your home
95% of all replacement windows on the market today claim to have these five features
But Do They?
Visually, most replacement windows look the same.
How do you know if you are getting a quality replacement window?
All American made replacement windows are sent to an independent company to be tested and rated.
The company is called the National Fenestration Ratings Council and they only test and rate (not sell) replacement windows.
The NFRC (National Fenestration Rating Council) independently tests and gives replacement windows two energy performance ratings and three addition performance ratings
Energy Performance Rating
- U-Factor
- This rating measures the amount of heat leaving your home in the winter
- The lower this number, the more energy efficient the window
- As of 2021 this number needs to be .30 or lower to receive an Energy Star Certification
- The lower this number, the more energy efficient the window
- This rating measures the amount of heat leaving your home in the winter
- Solar Heat Gain Coefficient
- This rating measures the amount of heat allowed in during the summer months
- Allowing your air conditioner to click on and off all day long.
- The lower this number, the more energy efficient the window
- This rating measures the amount of heat allowed in during the summer months
Additional Performance Rating
- Visible Transmittance
- Rates the amount of visible light allowed
- The higher the number the better
- However, there is a delicate balance between allowing in visible light and solar light/heat
- The more Low E coating applied to the glass to block solar heat, the more visible light is blocked
- However, there is a delicate balance between allowing in visible light and solar light/heat
- The higher the number the better
- Rates the amount of visible light allowed
- Air Leakage
- Rates the amount of air allowed in from the outside
- This number needs to be low (less than .10)
- You do not want to replace your old drafty windows with new drafty windows
- Condensation Resistance
- Rates the ability of the window to keep moisture from the outside coming inside
- The higher the number the better
- This number is usually lower when there is a metal spacer in between the two panes of glass
- Metal and glass expand and contract at different rates
- Which can cause Argon gas leakage
- Condensation/ice forming on the inside pane of glass
- Metal and glass expand and contract at different rates
- This number is usually lower when there is a metal spacer in between the two panes of glass
- The higher the number the better
- Rates the ability of the window to keep moisture from the outside coming inside
After testing and rating, NFRC places a sticker on the inside of the window sash. This sticker acts like a report card showing the performance of your window.
You should not purchase windows that do not have the NFRC rating.
23 West All Saints Street, Frederick , Maryland 21701
Phone: 301 712-5228
MHIC #106619
email: info@marylandwindowsdoorsroofs.com
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