Certified Inc

350 Sunday Dr.
Altoona WI 54720

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Opening Hours

  • Mon: 12am-12am
  • Tue: 12am-12am
  • Wed: 12am-12am
  • Thu: 12am-12am
  • Fri: 12am-12am
  • Sat: 12am-12am
  • Sun: 12am-12am


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Founded in 1976, Certified Incorporated is a full-service, locally owned and operated company that provides plumbing and heating, ventilation and air conditioning services. The company serves clients throughout the Chippewa Valley. It offers hydronic, geothermal, sewer cleaning, ventilation and humidifier services in the commercial and residential markets. Certified Incorporated also provides preventative maintenance and inspection services and is a member of the Chippewa Valley Home Builders Association. Additionally, the company specializes in gas piping services, as well as provides sheet metal fabrication for products made of stainless steel, copper, aluminum and black iron. It serves hospitals, restaurants, manufacturing facilities and retail centers. , Certified Incorporated is located in Altoona, Wis.