A flagship Carrier Infinity modulating or two-stage gas furnace typically ranges from $5,800 to over $10,500+ installed, depending heavily on the specific BTU heating capacity required for your home, whether supplementary zoning dampers or advanced media air cleaners are added, and local contractor labor rates. While the upfront equipment investment is higher than standard builder-grade units, its extreme up-to-98.5% AFUE efficiency and variable-speed comfort deliver long-term energy savings.
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