Commercial Heating, Cooling, Plumbing & Control Services in Milwaukee, WI

With local expertise combined with Reedy Industries' resources, Just Mechanical is your trusted HVAC Partner
Contact US

Commercial HVAC, Mechanical Services, Plumbing & Controls in Milwaukee, WI


For 90 years, the PremiStar family of companies have been providing customers with exceptional service, unparalleled support and knowledgeable, well-trained professionals. As part of the Reedy Industries family, Just Mechanical offers full-service HVAC, mechanical, plumbing and controls services for businesses throughout Milwaukee, WI and surrounding areas.

Our friendly and well-trained team provides system design, installation, replacement, repair services, and maintenance programs for companies large and small. Whether your systems are state of the art or older, we have the expertise, equipment, and parts to service all types of commercial furnaces, boilers, AC systems, chillers, plumbing and controls. You can count on our HVAC technicians, machinists, and plumbers for top-quality service.

Count on our team for commercial mechanical equipment services for your company! Contact Just Mechanical online or call (262) 886-2365 now.

Our Partnership with PremiStar

Just Mechanical is part of the PremiStar family of mechanical services companies. Based out of Chicago, PremiStar operates in 12 states and employs over 1,700 people. Through our Just Mechanical branch, we are able to tap into local resources as well as have access to the Reedy family of HVAC, plumbing and controls technicians to support any highly-specified requirements, such as refrigeration, high-pressure boilers, pneumatic controls and so much more! The Reedy team has around 350 highly-skilled technicians within a two-hour drive, which has led to more opportunities to offer our services to local commercial customers.

Just Mechanical in Milwaukee is your go-to service provider for:

Commercial Heating Services

Our experienced team provides repair, replacement, installation, and maintenance services for industrial heating systems. We are familiar with a wide range of industrial heating systems and offer prompt, cost-effective heating services to keep your business running smoothly.

Related services include: Maintenance agreements, facility upgrades, building automation/controls/DDC, and small project construction. Emergency heating services for Milwaukee businesses available 24/7.

Equipment we work on: Heat pumps, furnaces, geothermal, packaged units, rooftop units, boilers, thermostats, ductwork, and more.

Get prompt, skilled heating services for your Milwaukee business! Contact Just Mechanical online or call us at (262) 886-2365 today.

Industrial AC and Ventilation Services

Our commercial HVAC technicians are well trained to offer expert refrigeration and cooling system services for your company. We install, replace, repair, and maintain a wide variety of commercial air conditioning systems for businesses across the Milwaukee area.

Related services include:  Data room AC, duct cleaning, refrigeration, maintenance agreements, facility upgrades, controls installation/service, and small project construction. Emergency commercial air conditioning and refrigeration services available 24/7.

Equipment we work on: Air conditioners, chillers, ductless mini-splits, geothermal, humidifiers & dehumidifiers, thermostats, ducts, and more.

For expert commercial air conditioner services, contact Just Mechanical online or call (262) 886-2365 today.

Commercial Plumbing Services

Our licensed Milwaukee plumbers can promptly diagnose and repair any plumbing or piping issue that occurs at your plant, factory, retail store, university, or office building. We provide expert plumbing system design, installation, or replacement of fixtures and components, as well as preventative maintenance agreements.

Related services include: Medical gas Systems, compressed air, deionized systems, cross connection surveying & certification, natural gas, drain cleaning, and water distribution. Emergency industrial plumbing services available 24/7.

Equipment we work on: Plumbing pipes or piping, sump pumps, garbage disposals, water heaters, tankless water heaters, backflow preventers, and more.

When you need industrial plumbing services in Milwaukee, contact Just Mechanical online or call us at (262) 886-2365 now.

Commercial Controls Services

Our certified and highly-trained controls professionals understand that in an emergency, time is of the essence. When your system isn’t working , we will be onsite quickly to solve your problems. We will help you get the most out of your investment in building automation to reduce operating and energy costs and improve comfort and performance.

Related services include: System design, repair, replacement, upgrades and programming of direct digital controls (DDC), pneumatic controls, zoning systems and electronic controls.

As a vendor-agnostic mechanical contractor, we aren’t tied to the products of a particular manufacturer. Our only interest is in providing the best solution at the lowest cost.

With 24/7 service, our commercial controls team is just a click or call away! Contact Just Mechanical online or call us at (262) 886-2365 now.

Why Choose Just Mechanical in Milwaukee, WI?

Our dependable and responsive team offers your business unique advantages like: 

  • Full range of mechanical services for your business, including control systems installation.
  • Flexible full-service or preventative maintenance programs.
  • Expert advice with no annoying sales pitches.
  • Friendly professionals with respect for your schedule and business needs.
  • Professional dispatchers to keep you updated.
  • 24/7 emergency service.

At Just Mechanical, our team is dedicated to providing customized solutions to meet your business needs. Let us develop and execute a budget-friendly energy plan for your company. We can include energy-efficiency upgrades to reduce energy costs and make your business more eco-friendly. Our team can design and install new systems or retrofit your existing facility.

Rely on Just Mechanical for flexible, dependable, responsive, and top-quality mechanical solutions for multiple Milwaukee industries.

Make a single call for all your commercial HVAC, plumbing, and mechanical services! Contact Just Mechanical online or call (262) 886-2365 today.


Our parent company, PremiStar, is a high-growth HVAC services company that transforms our industry through extraordinary people, unique customer-centered solutions, and unprecedented results.

To learn more about career opportunities at PremiStar, please visit!