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No other replacement window saves you more

Thermal King sells America’s #1 insulated replacement window. Our windows are guaranteed to save you up to 40% on your heating and cooling bills! But that’s not all — we also carry and install high-quality patio and entry doors, and vinyl and steel siding. Thermal King has over 40 years of experience in installing windows, doors and siding in the greater Kansas City metro area. [more+]

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