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    Copper Cottage, a division of Midwestern Mechanical, is your local Plumbing and HVAC expert in

    Spencer, IA

    Since 1998, Copper Cottage- a division of Midwestern Mechanical- has proudly served northwest Iowa with expert plumbing and HVAC services. With 96 employee-owners on board, we bring skill, reliability and a neighborly touch to every job—whether it’s an urgent repair or a full system installation.

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    Services Offered in Spencer

    From homes to large commercial builds, our Spencer team delivers full-service plumbing, HVAC and design-build solutions with a personal touch. Backed by decades of experience in Clay and Dickinson Counties, we’re here to get the job done right—start to finish.

    Brands We Trust

    SIOUX FALLS, SD

    HEADQUARTERS

    4105 N Lewis Ave, Sioux Falls, SD 57104
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    Real Talk from Real People

    Whether it's customers singing our praises or employees who've stuck with us for decades, here's what folks are saying.

    • "Our manufacturing facility's sump pump system failed during a weekend storm, and water started flooding our equipment storage area. Midwestern Mechanical responded immediately, even on Sunday night. They pumped out the water, installed a new high-capacity commercial system with dual pumps and battery backup, and completed everything before our Monday shift. Their commercial expertise saved us thousands in potential equipment damage and production delays."

    • "We truly appreciate Midwestern Mechanical and consider their contribution to our project invaluable. Their can-do attitude and ability to communicate with all team members are far too uncommon in today's industry."

    • "The service and care we received from Midwestern Mechanical was excellent! Our home is large and over 100 years old, which can pose challenges for plumbing repairs. Our technician Jamie is knowledgeable, friendly and efficient."

    • "Midwestern Mechanical's BIM modeling capabilities saved our hospital project significant time and money. Their virtual construction coordination identified and resolved conflicts before we reached the field, and their fire protection design expertise ensured we met all healthcare facility requirements. The entire process was seamless from design through completion."

    • "When our water heater died on a Sunday morning with three kids needing baths, they were at our house within an hour. The technician explained everything clearly and had us back up and running the same day. Being employee-owned really shows—they care about our family like their own."

    What's Happening at MWM

    Stay connected with the latest updates from your mechanical contracting family. From exciting company news to special offers designed with our community in mind, discover what's new at Midwestern Mechanical.

    Awards and Certifications

    PHCC CONNECT Competition 2025

    We’re proud of our team! The PHCC Educational Foundation CONNECT Convention was held in Grand Rapids, MI, in October. We’re thrilled to celebrate our amazing team for their incredible achievements: Cody Green – National PHCC Plumbing Apprentice Runner-Up, Cody Schroeder – 2025 Plumbing Instructor of the Year, and Jantzen Fisher – HVAC Apprentice of the Year. Way to represent Midwestern Mechanical and show what Performance with Pride is all about!

    Got Questions? We've Got Answers.

    Whether it's a furnace emergency or planning your HVAC upgrade, our Copper Cottage/Midwestern Mechanical team in Spencer makes complex mechanical systems simple for Iowa property owners.

    Need a Hand?

    We've got you. For everyday service or a big project, hit the button below and we'll get the ball rolling.

    Get a Quote

    Emergency Services

    Need help right now? Our crew's on call 24/7—just tap the button below and we'll be on our way.

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