Key indicators, from the cost of fossil gas to the number of heat pumps sold, signal building decarbonization will march onward in the U.S. despite challenges.

Let’s dive into seven indicators — and a few bonus figures — that show why the momentum behind climate-friendly buildings may be unstoppable.

According to the Bureau of Labor Statistics, the consumer price index for piped gas ballooned more than twice as fast as that for electricity, and nearly four times as fast as overall inflation for all tracked items. That makes utility gas one of the leading causes of inflation, which could give customers pause on whether to depend on the fuel in the future.

The price surge is partly thanks to the fact that the U.S. has been increasing its exports of liquefied natural gas, squeezing the domestic fuel supply and driving up costs at home, said Panama Bartholomy, executive director of the nonprofit Building Decarbonization Coalition.

Gas customers are also shouldering growing infrastructure costs. Utilities have massively ramped up gas-system spending since the 2010s — a result of increased safety investments in response to some high-profile explosions that decade, as well as a sense of urgency stoked by state climate laws, Bartholomy said.

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