Certified. is a one-stop full-service shop for all your domestic, industrial and commercial comfort requirements - from plumbing, heating & cooling, to emergency services, recommending, and installing new equipment. We specialize in keeping our clients comfortable. Our certified technicians have more than 95 years combined knowledge in the HVAC industry.


Contact Details

  Website
  City Altoona, WI
  Zip Code 54720
  Address 350 Sunday Drive
  Phone Number (715) 834-5409

From Our Website

Turn to Certified Inc for professional heating and cooling services for your residential, commercial, and industrial properties. From installations to maintenance services, we do everything. Call for a FREE estimate! You can always count on our certified technicians to handle all your plumbing needs promptly and efficiently. Our plumbing services include septic repairs, water conditioner installations, backflow pressure testing, and much more. We have been providing reliable services for all major makes and models since 1976.


Established in 1976, Certified Inc is a locally owned and operated business providing professional heating, cooling, and plumbing services for your home and business. We have expanded our business by hiring highly efficient employees, who share the same vision and dedication in providing exceptional customer service. We're committed to providing complete safety for our workers. We are proud to have participated in the 2014 National Safety Stand-Down to Prevent Falls in Construction that took place during June 2-6.


From annoying leaks in your kitchen to simple fixture replacements, hire the experienced professionals at Certified Inc for reliable plumbing services! When you call us for your plumbing needs, you'll receive prompt and professional services. All our professionals are bonded and insured for your protection. You can always rely on our professionals to keep your residential and commercial plumbing functioning the way that it should. Whether it's a day or night, weekend or holiday, call on our plumbing experts for fast and responsive emergency services.