How can I contact customer support if I have an issue?

To reach Harker Heating & Cooling's customer support, you have several options. You can call them directly at (608) 255-6902 during regular office hours, which are Monday to Thursday from 7:00 AM to 4:30 PM and Friday from 7:00 AM to 4:00 PM. For after-hours assistance, dial (608) 480-6157. Alternatively, you can send an email to info@harkerheating.com. They are conveniently located at 87 Nob Hill Road, Madison, WI 53713[0]. Don't hesitate to get in touch with any concerns or service requests.