Whether you're starting a new business or looking to upgrade to the latest technology, consult our design and engineering experts to ensure your system performs effectively and efficiently. Our Certified technicians diagnose and correctly repair refrigeration and HVAC service issues, minimizing downtime and future service calls. Our job is to provide quality and responsive service, 24/7/365. Our Energy Optimization team will show you cost-effective approaches to enhance the operation, value, and usable life of your refrigeration and HVAC equipment while increasing your bottom line.

Certified Refrigeration & Mechanical, Inc. is a company dedicated to providing refrigeration service excellence. Through our four divisions, we offer statewide service solutions at the local level to meet our customer's refrigeration, HVAC and food service equipment repair and maintenance needs. Serving all four major regions throughout Wisconsin, we have worked hard to develop and maintain a strong reputation as a leader in our industry. Using the largest state-of-the-art refrigeration training lab in the state, CRM's certification process ensures that technicians are professionally competent before being allowed to service our customer's equipment.

We can help manage your project at any stage of development. Whether you need our design experts to plan economical and eco-friendly solutions, or are remodeling or replacing an aging system, we can take care of any size project, at any step of the way. With our branded partners, we execute installation projects ranging from individual condensers and rooftop units, to complete retail store and commercial industrial projects. Regardless of the size of your project, Certified Refrigeration and Mechanical, LLC and its family of brands can properly assess and meet all of your installation needs.

We sell and install new and refurbished refrigeration and food service equipment that fit your budget and specifications. Maintaining stock of most common refrigeration case types, our Case Sales and Installation division operates out of Fond-du-Lac, Wisconsin. Inventory includes self-contained and non-self-contained cases as well as many special-function cases. Our internal buying group scours the nation and knows what used cases are available. So, if a certain item is not in stock, it is often quickly obtainable.

Design-engineers and experts are on staff to develop turnkey commercial refrigeration, foodservice and HVAC plans and system designs. Our targeted design efforts include system and equipment layout plans as well as energy enhancements that qualify for utility rebates. We have numerous tools, capabilities, and affiliations to tackle almost any HVAC, foodservice, or refrigeration project. If you need special assistance, we'll assess your needs and determine the best approach to your application. We are involved with many remodel projects each year.

What's new?

Restaurant owners and managers have a powerful ally against COVID-19 – CoolSys’ HVAC technology. Our sterilization and filtration technologies provide improved air quality as well as greater peace of mind indoors.

Posted on Dec 09, 2020  •  Facebook

Called the “Coolest Day of the Year,” World Refrigeration Day (June 26) is a global celebration of the refrigeration, air conditioning and heat-pump industry. On this day, and every day, we celebrate our technicians, engineers and dedicated professionals who keep things cool for our customers. #coldchain4life

Posted on Jun 26, 2020  •  Facebook

The 2020 #CARESAct has tax savings for businesses. CoolSys is ready to help with upgrades or replacements of older systems with tax saving opportunities! #COVID19aid #TaxSavings #energyefficienc y #CoolSysEnergy Anthony Tippins

Posted on May 14, 2020  •  Facebook

Your buildings may be emptier than usual, but we’re confident they’ll be filled again with customers who rely on you for a comfortable experience. We’re still here for you to make sure that happens. Call on us for preventative maintenance, or for general questions about maintaining your HVAC-R equipment during this time.

Posted on May 13, 2020  •  Facebook

Thank you to the essential HVAC-R workers who are keeping data centers online, families connected, groceries fresh, pharmacies operating and restaurants cooking. Keep up the brave work and know that we are doing everything in our power to keep you safe. https:// coolsys.com/ thanks-to-our-co olsys-heroes/

Posted on Apr 27, 2020  •  Facebook

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