20% of US homes use 45% of cooling consumption nationwide

Twenty percent of Americans have HVAC systems that cost the homeowner an extra $882 annually on average to keep their homes cool — almost four times as much as the most efficient similar homes. This is according to a new study conducted by smart home energy company Sense who make smart home energy monitors.

But here’s the surprising finding: The 20% of homes with the highest cooling account for 45% of all cooling consumption nationwide.

Updating these inefficient homes could save 8% of US residential electricity usage overall and eliminate nearly 52 million tons of carbon dioxide emissions annually.

During the first US presidential debate, Vice President Joe Biden promised to upgrade 4 million buildings and weatherize 2 million homes over four years, creating 1 million new jobs and re-energizing the economy (see Biden’s plan here). Sense’s analysis of home energy data supports the potential impact of the plan on

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