Heat pump water heaters (HPWHs) are a compelling choice over traditional gas water heaters. They are a reliable, mature, and highly efficient technology offering 300-550% energy efficiency compared to gas's 96%. The continued use of fossil fuels for water heating is an outdated practice driven by past industry influence and builder preference, highlighting the shift towards renewable electricity and the environmental benefits of HPWHs. Ultimately, gas water heating is an obsolete technology with long-term environmental costs, and we need a forward-thinking approach that embraces HPWHs and prepares for a future where fossil fuels are less economically viable.
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