More than 2M per year - this article implies 8M combined natural gas and heat pump installs in US: https://www.canarymedia.com/articles/heat-pumps/chart-america

More than 2M per year - this article implies 8M combined natural gas and heat pump installs in US: https://www.canarymedia.com/articles/heat-pumps/chart-americans-bought-more-heat-pumps-than-gas-furnaces-last-year https://www.canarymedia.com/articles/heat-pumps/chart-americ...