Depend on Us for Commercial HVAC Services

With JB Mechanical LLC, you can trust that your home, business, or industrial facility will be comfortable all year round. From high-efficiency filter installation to routine maintenance, we provide comprehensive HVAC services throughout Beaver Dam, WI, and beyond.


Specializes in commercial heating and cooling services for businesses


Utilizes high-quality, energy-efficient equipment and materials


Provides expert advice on energy-efficient upgrades and replacements


At JB Mechanical, your comfort is our number one priority. Serving homeowners throughout Beaver Dam and beyond, choose our expert technicians for year-round HVAC solutions,


With JB Mechanical’s custom fabrication and HVAC services, you can keep your industrial facility comfortable and efficient. Trust our experienced team to handle all your industrial requirements with ease.

In the Business of Helping Your Business Thrive

For nearly a decade, JB Mechanical has designed, installed, and maintained exceptional comfort systems for commercial business owners throughout Dodge County. From our experienced sales engineers to skilled technicians to top-of-the-line products, the success of your business is the success of ours! Let us ensure that your commercial space is comfortable!

We partner with business owners and maintain various commercial structures, including but not limited to the following:


Hair Salons 

Medical Practices 


Business Offices

Retail Storefronts

Strip Malls

& More!

Air Quality

The quality of your air is more important than ever. Protect your home, business, and industrial buildings from harmful viruses, bacteria, mold, and more with our team’s excellent products. From air filters to dehumidifiers to ventilation, the JB Mechanical team covers your air quality needs. We offer high-quality products from Trane as well as Mitsubishi to ensure our clients receive supreme comfort. Contact us today and discover what healthy air quality solutions are right for you.

Our Air Quality Products

Routine Maintenance

The best investment is to protect your investment! We understand your business is important to your livelihood and want to help. If you don’t set aside resources for annual HVAC maintenance, your business is at risk of spending more money replacing costly equipment. That also means that customers and employees risk being extremely uncomfortable. Our Planned Maintenance program inspects your current equipment and offers reasonably priced tune-ups. Save money on your utility bills with the help of our skillful technicians.

Invest in your business’s comfort.

Contact us today at 920-210-8615 to schedule your HVAC maintenance appointment!
Heating & Cooling Contractor in Beaver Dam, WI | JB Mechanical LLC

Business Hours:
Monday - Friday: 7:30 AM - 4:30 PM

Fax: 920-273-2468

JB Mechanical, LLC BBB accredited business profile