Extend your manufactures parts warranty with a 10 year labor warranty and enjoy peace of mind covering your forced hot water system with a  full 10-year labor warranty from the installation date. The extended labor warranty ensures your investment is protected, providing reliable service and support throughout the lifespan of your system. Please note, all extended warranties must be purchased within two years from the installation date, and a 10-year warranty may fulfill only eight years if extended just prior to expiration. Serving residential customers from the Lakes Region to the Seacoast of NH and Southern Maine, Key Heating & Cooling is committed to delivering expert installation and dependable maintenance. Trust us to safeguard your comfort with quality coverage tailored to your boiler heating system. 
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