KNOW Heating is licensed by the state of Ohio, LIC# 46100, to do residential and commercial heating, cooling and ventilation with more than three times the required insurance for your protection.
Permitting all installations our work is inspected by the city to insure that it meets or exceeds local, state and federal law.
Empowering our clients with knowledge to make wise decisions when it comes to their heating and cooling.
Columbus, OH 43203
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