Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024
(in million square feet)
Characteristic
Building area in millions of square feet
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The total surface area of the apartments and commercial buildings that were certified by Energy Star increased slightly in 2024. During the past decade, the surface area of buildings that received a certificate from Energy Star has fluctuated significantly, reaching a peak in 2018, when the buildings with a certificate that year amounted to over * square feet.
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ÌÇÐÄÆƽâ°æ. (May 16, 2025). Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024 (in million square feet) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/
ÌÇÐÄÆƽâ°æ. "Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024 (in million square feet)." Chart. May 16, 2025. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/
ÌÇÐÄÆƽâ°æ. (2025). Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024 (in million square feet). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/
ÌÇÐÄÆƽâ°æ. "Gross Floor Area (Gfa) of Multifamily Housing and Commercial Buildings Certified by Energy Star in The United States from 1999 to 2024 (in Million Square Feet)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 May 2025, /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/
ÌÇÐÄÆƽâ°æ, Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024 (in million square feet) ÌÇÐÄÆƽâ°æ, /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/ (last visited August 04, 2026)
Gross floor area (GFA) of multifamily housing and commercial buildings certified by Energy Star in the United States from 1999 to 2024 (in million square feet) [Graph], ÌÇÐÄÆƽâ°æ, May 16, 2025. [Online]. Available: /statistics/1344570/area-of-buildings-certified-by-energy-star-in-the-us/
