Griggs County, North Dakota

Home Building Efficiency Report

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US Climate Zone Map
7 – Very Cold

Griggs County, North Dakota is located within the Very Cold climate zone, which also has the designation of #7. The US Department of Energy has split the United States into eight zones to help in creating optimal building practices to achieve the most energy savings within homes.

A very cold climate is defined as a region with between 9,000 and 12,600 heating degree days (65°F basis).

Best Energy Saving Products

We've outlined a handful of building products that should be tailored for homes specifically in your North Dakota county. We detail the recommendations, how to interpret them, and then some of the more popular brands that meet or exceed those energy-saving standards.

Windows in Griggs County are expected to have a U-Factor of 0.3 or less. The lower the U-Factor value of a window, the better it is at keeping heat inside the home.

The expected Solar Heat Gain Coefficient (SHGC) of windows installed in Griggs County should be equal to or less than 1. This value measures how well a product can resist unwanted solar heat gain, which is important in the warmer summer months.

Climate Zone Window U-Factor Skylight U-Factor Glazed SHGC Air Leakage
7 – Very Cold
0.3 0.55 1 ≤5

Any new or replacement window will be better at preserving energy than an old leaky one. Double paned windows with argon gas are the most energy efficient, but also the most expensive.

Manufacturer Product Type Material Installation Price U-Factor* SHGC*
200 Series Hung, Picture, Gliding Wood Interior, Vinyl Exterior New 0.28-0.34 0.16-0.53
Signature Casement, Double Hung, Bay, Awning, Picture Wood/Aluminum Clad New 0.22-0.33 0.17-0.53
Elevate Casement, Double Hung, Bay, Awning, Picture Wood Interior, Fiberglass Exterior New 0.2-0.43 0.18-0.56
250 Series Casement, Double Hung, Single Hung, Awning, Sliding, Picture Vinyl New 0.27- 0.28-
Siteline Casement, Double Hung, Fixed, Bay, Sliding, Awning Wood, Clad-Wood New, Replacement 0.18-0.47 0.18-0.67

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* Each product has various options that impact energy performance.