The total cost of purchasing and professionally installing an A.O. Smith ProLine water heater typically ranges from one thousand five hundred to four thousand dollars, depending on whether you choose a standard gas tank, an electric resistance model, or a high-efficiency hybrid heat pump system. Because ProLine units are sold exclusively through wholesale supply houses to licensed contractors, equipment pricing is bundled into professional bids that reflect commercial-grade build quality and extended warranties. Final pricing varies based on local plumbing labor rates, necessary code-compliance upgrades, and any auxiliary plumbing modifications required during setup.
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