Heating, Ventilation, and Cooling Systems HVAC

E. C. Merrill is a family owned, 4th-generation company started in Oshkosh, Wisconsin in 1949. The business is currently owned and managed by the founder's grandson, Jay Merrill, who may be familiar as the host of  the "E. C. Does It" radIio show featured on KFIZ from 1999 to 2017 with Joe Scheibinger and Jerry St. John.

We offer 24-hour emergency service every day, including weekends and holidays.

We focus on service and replacement of residential and light commercial heating, and cooling systems, covering a service region from Oshkosh to Fond du Lac and many of the surrounding communities, including Winneconne, Omro, Van Dyne, and as far south as Oakfield.

Our Services 

Our normal service hours are from 7:30 AM to 3:30 PM Monday thru Friday.  Some of the services we offer include repair and replacement of:

  • Boilers
  • Furnaces
  • Air-conditioners
  • Water heaters
  • Water softeners
  • Air filters
  • Air purification products

As a licensed master plumber, Jay also has experience with sump pumps, water heaters, drainage systems, and water distribution systems.