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What’s the Good SHGC Rating for Windows?

Shopping for a replacement window is not just about finding which style goes well with the rest of your home’s interiors or exteriors. It is also about taking its energy performance ratings into account, one of which is the solar heat gain coefficient (SHGC). Read on as we explain what it is and which specific SHGC rating works best for your home.

Good SHGC Rating for Windows

The SHGC Rating and Its Importance

The SHGC is a measure of the amount of solar radiation that passes through a window. It is expressed as a value between 0 and 1 — the lower the rating, the smaller the amount of solar heat entering your home via the windows.

With that in mind, choosing the ideal SHGC rating for your double-hung, sliding or casement windows should take into consideration the local climate. For instance, a higher rating is recommended for homeowners living in areas that require heating the indoors for most of the year. This means utilizing the warmth coming from the sun.

SHGC Ratings for Montana Windows

Montana’s year-round weather requires replacement windows with an SHGC rating of up to 0.40. While this helps ensure cooler indoors during the summer, this also means less heat will pass through come winter. The heating and air conditioning costs within the household should be considered to determine whether the window with less or more solar heat gain is worth purchasing.

It’s also worth considering the other energy performance ratings when shopping for new windows. These include the U-value, which is the measure of a window’s insulating capability, and the visible transmittance (VT), which indicates the amount of visible light penetrating through the window.

Make Us Your Top Window Choice

Homeowners in and around Helena, MT, know that Renewal by Andersen® of Montana remains the trusted source when it comes to high-quality and energy-efficient custom windows. Learn more about our windows’ energy performance ratings, from the SHGC to the U-value, by calling us at (406) 259-3944 or filling out our contact form.

Reviews

"I highly recommend Renewal by Andersen. We were treated well and everything went smoothly from start to finish. The company kept in contact with me before, during, and after the installation and let me know what to expect. I'm in love with my new windows! I will be using this company again when we refinish our basement. "

KRISTIE WOLTER | HELENA, MT
July, 21

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