Northern Mechanical, LLC

WE BUILD.
WE FIX.
WE POWER.

Plumbing. HVAC. Electrical. Fire Protection. Four licensed trades under one roof – serving Southeast Wisconsin for over 20 years.

PLUMBING

PIPES, DRAINS, GAS LINES & MORE

HVAC

HEATING, COOLING & VENTILATION

ELECTRICAL

WIRING, PANELS & POWER SYSTEMS

FIRE PROTECTION

SPRINKLERS, ALARMS & SUPPRESSION

WHAT WE DO

Four Trades. One Trusted Team.

We don’t just do one thing well – we do four. Licensed crews for every mechanical system in your building.

Plumbing & Piping

Full-service plumbing for residential, commercial, and industrial. From fixture installs to process piping.

  • Kitchen & bathroom fixtures
  • Water heaters & boilers
  • Sewer & drain cleaning
  • Gas piping & process piping
  • Backflow prevention

Heating & Cooling

Year-round comfort solutions. We install, maintain, and repair HVAC systems for buildings of all sizes.

  • Furnace & boiler installation
  • AC systems & heat pumps
  • Ductwork & ventilation
  • Preventive maintenance plans
  • Commercial rooftop units

Electrical Services

Safe, code-compliant electrical for new builds, renovations, and service calls. Residential and commercial.

  • Panel upgrades & installations
  • Commercial & industrial wiring
  • Lighting design & retrofit
  • Generator installation
  • Troubleshooting & repair

Fire Protection

Comprehensive fire protection for commercial and industrial facilities. Sprinkler systems, alarms, and suppression.

  • Sprinkler system design & install
  • Fire alarm systems
  • Suppression systems
  • Standpipe & backflow
  • Inspections & testing

20+

Years

4

Licensed Trades

24/7

Emergency

100%

Guaranteed

WHY NORTHERN MECHANICAL

Built on Quality. Backed by Experience.

We’ve been the go-to mechanical contractor in SE Wisconsin for over two decades. Our certified Journeymen handle plumbing, HVAC, electrical, and fire protection – commercial, industrial, and residential.

✓
Licensed & Insured
Fully certified professionals
✓
24/7 Emergency
Always here when you need us
✓
Honest Pricing
No hidden fees or surprises
✓
Commercial Scale
Projects of any size

Ready to Talk?

Get a free quote for plumbing, HVAC, electrical, or fire protection.

GET A QUOTE
(866) 509-9888

Service Area

Our crews cover SE Wisconsin & NE Illinois with fast response times and local expertise.

Additional Services