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Contact Us! Need a Quote? Please fill out the form and we will contact you to schedule an on-site follow up. Business Hours: 8:00 a.m. - 4:30 p.m. Service Department: 614.863.6666 Emergency Hours: 614-863-6666 Email: hvac@ohheating.com. Careers: Come work for us! Click here to see our current open positions. Location: We serve the Central Ohio area. Our facility is located at: Mailing Address: PO Box 91203 Columbus, Ohio 43209 |