Winona Heating & Ventilating, Inc. is a full service commercial mechanical contractor that provides commercial HVAC, roofing, and piping and plumbing services. We have locations in Winona, Rochester, and La Crosse, WI. WHV Inc. has been in business since 1902 and is a part of sheetmetal workers and roofers’ unions. We currently employ 175 people that work in these fields. Our President, Mike Gostomski, is also one of the original five founders of Fastenal and is business partners with Multistack.

WHV provides HVAC equipment installations for new buildings, retrofit projects, and any commercial building project in between. We install ductwork, air handling units, boilers, chillers, mechanical piping, pumps, etc. We can design and build any HVAC system to meet any customer’s needs using our expertise and in-house mechanical engineering department.

WHV has a service department that is on call 24/7 for our customers repair and service issues. We also provide Automated Logic Controls building automation systems that are custom engineered for every job. Our service department also provides air and water balancing (NEBB Certified) to ensure the mechanical equipment is operating as designed.

WHV provides commercial roofing services for new buildings, retrofits, and additions. We provide installation and service on any type or size of commercial roof from EPDM membrane roofing to standing seam steel roofing.

WHV provides specialty metals services such as stainless steel and aluminum welding, along with galvanized steel. We can also have the certifications to weld tanks and pressure vessels, along with almost any sort of piping. We also have an architectural metals department that provides standing seam steel roofing, metal wall panels, and commercial gutter systems.

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Our Mission

To be the industry leading HVAC, roofing, controls & service contractor in our markets.

Our History


We are ready to assist you with any and all technologies and processes for your project including; Geo Thermal, Heat recovery, Green Roofs, Building Automation, etc. We offer NEBB Certified Commissioning of HVAC Systems, Control Systems, Plumbing Systems, and Fire Protection Systems.

Certified by NEBB in the following:

  • Air & Hydronics
  • Commissioning (Cx) of HVAC, Plumbing, and FireProtection
  • Retro Commissioning (Rcx) of existing buildings

Certified Contractor Lic # 2838

WHV recognizes the need to incorporate “Green” building practices into our customers projects.  We are committed to making available the latest technologies and practices to our customers through continued certification, training, and new product lines.  We have LEED Accredited Professionals, certified Commissioning Professionals, and registered Mechanical P.E.’s on staff to help you with your new or existing building project needs.

  • Anthony Shirek LEED AP, Rochester
  • Joel VonHaden LEED AP, Winona

WHV is certified by NSF for Medical industry and Food industry fabrication.

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Usgbc Member
Epa Lead Safe Certified Firm
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License Numbers

  • MN Contractor # MB3124

  • WI Contractor # 3973

  • IA Contractor #092881

  • MN Technology Contractor # TS000667

  • MN High Pressure Piping Contractor # HC690093

  • MN Plumbing Contractor # PC694042

  • IA Mechanical Contractor #50562

Contact Us Today

Call 1-800-657-6923 or fill out this form to learn more!