E. C. Merrill, Inc.

E.C. Merrill, Inc. operates as a fourth-generation family HVAC contractor serving North Fond Du Lac and surrounding communities including Oshkosh, Winneconne, Omro, and Oakfield. The business holds Master Plumber license #223215 and maintains a 4.8-star rating drawn from 24 customer reviews. Homeowners throughout the region rely on this contractor for both routine maintenance and emergency repairs across residential and light commercial heating and cooling systems. The company provides 24-hour emergency service every day, including weekends and holidays, ensuring residents are never left without climate control during Wisconsin's extreme seasonal temperatures.

This contractor distinguishes itself through authorized expertise across an extensive roster of major heating and cooling brands, including Carrier, Bryant, York, Lennox, Rheem, Goodman, and Navien. Their service menu extends beyond standard HVAC work to include boiler systems, water heaters, water softeners, and indoor air quality solutions such as air purification products and filters. The combination of multi-brand certification and plumbing licensure enables comprehensive whole-home climate and water system service from a single provider, reducing the coordination burden for homeowners managing multiple subsystems.

Customer reviews highlight specific technicians and scenarios that demonstrate this contractor's approach to service. One reviewer described Brian arriving within 30 minutes during a heat wave to repair a struggling AC unit, then patiently explaining replacement options for the aging system. Another reviewer working with Jay on boiler and radiator updates noted the thorough walkthrough provided about system operation and future maintenance. The positive feedback consistently emphasizes technician knowledge, clear communication, and respectful worksite cleanup after completing repairs.