Deliver Comfort Across Every Minnesota Season
Systems built to handle cold winters and humid summers with precision and care.
Financing Available
New Installs receive
10 year-maintenance & 10 year-warranty
About Minn Mechanical Contractors
Welcome to Minn Mechanical Contractors LLC, your trusted partner for HVAC-R and fireplace services, based in Minneapolis, St. Paul, and surrounding areas, and proudly serving the Upper Midwest.
At Minn Mechanical Contractors LLC, we bring years of expertise to the table, specializing in the installation, maintenance, and repair of HVAC-R systems for residential, commercial, and industrial clients. We understand the unique heating and cooling demands of the Upper Midwest’s challenging climate and deliver custom solutions to keep your home or business comfortable year-round.
What sets us apart is our unwavering commitment to quality craftsmanship and outstanding customer care. Whether you’re investing in a new HVAC-R system, scheduling preventative maintenance, or upgrading your plumbing, our licensed technicians ensure the job is done right the first time. We pride ourselves on delivering honest, reliable, and efficient solutions tailored to your specific needs.
As a family-owned business, we prioritize integrity, trust, and building long-lasting relationships with our customers and community. When you choose Minn Mechanical Contractors LLC, you’re partnering with a team dedicated to your comfort, convenience, and peace of mind.
Serving clients throughout Minnesota and surrounding states, we are ready to tackle your HVAC-R and fireplace challenges—no matter the size or complexity.
Contact us today to schedule your service and experience the Minn Mechanical Contractors LLC difference. Discover why we’re the trusted name for mechanical solutions in Minneapolis, St. Paul, and surrounding areas.
Honest Solutions, Reliable Comfort
Welcome to Minn Mechanical Contractors, your trusted home, business, and industrial HVAC-R and fireplace repair specialists. We are based in Lonsdale, MN, and serve all of Minnesota and surrounding states.
Service is available in English and Spanish.
Secure Reliable Mechanical Systems Built for Minnesota
Residential through industrial service with clear scope and documented steps
Minn Mechanical Contractors LLC works with homeowners, businesses, industrial facilities, and specialty environments throughout Minneapolis, St. Paul, and surrounding areas. Whether it's a furnace replacement, a commercial refrigeration install, or a boiler system for a mixed-use building, every project starts with understanding what your property needs and how the system will be used. Minnesota's weather shifts quickly, and mechanical systems have to keep pace without fail.
You'll know what to expect from the first call through final startup.
We walk through the scope, outline timelines, and coordinate around your schedule so there's no guesswork about when crews arrive or what happens next. Whether you're in Minneapolis, Rochester, St. Cloud, Chaska, or Lonsdale, the approach stays the same—practical solutions that fit the building, the budget, and the season.
From ductwork and radiant floor heating to fireplaces and system diagnostics, the work is done with attention to detail and a commitment to getting it right the first time. Minn Mechanical Contractors LLC handles residential comfort upgrades, commercial HVAC demands, and industrial mechanical projects with equal focus on performance and longevity.
Reach out to discuss your heating, cooling, or refrigeration needs in Minneapolis, St. Paul, and surrounding areas—we're ready to help you plan the next step.
Serve Homes and Facilities with System Expertise
Responsive scheduling and reliable service tailored to your property and needs.
What Happens from Estimate to Startup
You shouldn't have to wonder what comes next or when someone will show up. Every project begins with a clear conversation about what's needed, what's possible, and how long it will take. We outline the work in writing, confirm scheduling windows, and keep you updated as the job moves forward. Whether it's an AC installation, a commercial refrigeration diagnostic, or a full system replacement, the process is mapped out so you can plan accordingly.
Coordination matters just as much as technical skill. We show up when expected, prepare the site properly, and complete installations or repairs with thoroughness that holds up under real-world use. You'll understand the equipment, the warranty terms, and how to get the most from your investment once everything's up and running.
Here's what sets our approach apart across residential, commercial, and industrial work:
You shouldn't have to wonder what comes next or when someone will show up. Every project begins with a clear conversation about what's needed, what's possible, and how long it will take. We outline the work in writing, confirm scheduling windows, and keep you updated as the job moves forward. Whether it's an AC installation, a commercial refrigeration diagnostic, or a full system replacement, the process is mapped out so you can plan accordingly.
Coordination matters just as much as technical skill. We show up when expected, prepare the site properly, and complete installations or repairs with thoroughness that holds up under real-world use. You'll understand the equipment, the warranty terms, and how to get the most from your investment once everything's up and running.
Here's what sets our approach apart across residential, commercial, and industrial work:
Systems designed to handle Minnesota winters and humid summers without compromise
Service that includes diagnostics, repairs, new installs, and ongoing maintenance plans
Tailored solutions for homes, businesses, industrial facilities, and marine environments
Local familiarity with properties throughout St. Paul and the greater Twin Cities area
If you're ready to move forward with heating, cooling, or mechanical work in Minneapolis, St. Paul, and surrounding areas, let's start with a conversation about your property.
Dependable Service Rooted in Accountability
Minn Mechanical Contractors LLC has built a reputation in Minneapolis, St. Paul, and surrounding areas by showing up prepared, doing the work right, and standing behind what we install. Whether it's a furnace for a family home or a refrigeration system for a commercial kitchen, the same standard applies—craftsmanship that lasts and service you can count on when something needs attention.
We treat every property with care and respect the responsibility that comes with keeping mechanical systems operational. From the tools we use to the way we communicate with property owners, there's a focus on consistency and professionalism that carries through every phase of the job. You're not just hiring a contractor—you're working with a team that understands how much depends on these systems functioning properly.
Call Minn Mechanical Contractors LLC in Minneapolis, St. Paul, and surrounding areas to schedule a diagnostic, request an estimate, or learn more about maintenance plans that protect your investment.
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I had an issue with our gas fireplace insert and Mario was quick to respond and set up a time to take a look at it. He was great about explaining what was happening, as well as next steps. I will be reaching out to him with future needs for sure.
Damon C.
Mario is awesome grateful for his service amazing customer service I would recommend Mario using for heating and cooling needs.
Jinal P.
Great service and response time! Had my water heater leaking all over the place. Reached out and had someone come and replace it within a few hours. Would highly recommend.
Misael R.
