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Update May 18, 2020

Long Plumbing and Long Mechanical is now open regular business hours offering all plumbing and HVAC services.

Our heating & cooling techs and plumbers are taking extra precautions during this time and have masks, gloves, booties, hand sanitizer and disinfectant wipes on their trucks.

We hope everyone stays safe and healthy during these times.

– Jim Long and Allison Long

commercial piping installation
Water Heater Repair

MECHANICAL, PLUMBING & HVAC CONTRACTORS

The skilled professionals at the Long Companies have the experience to handle mechanical, plumbing, piping, heating and cooling projects of all sizes.

From installing a process piping system in a new auto assembly plant, an HVAC system at Detroit Metro Airport, and a pump and piping installation for a Michigan municipal water supply, to replacing a homeowner's plumbing fixtures or water heater, we do it all.

The Long Companies provide new installations, replacements, maintenance services and repairs, including 24‑hour emergency services.

Family owned and operated, each of our four divisions (commercial mechanical / plumbing / heating & cooling / kitchen & bath remodeling) specializes in effective solutions to meet our customers' needs.

Quality workmanship, knowledgeable and dependable technicians, and exceptional customer service come standard with every job.

Variety of Services
Did you know we do…

  • Complete Building Mechanical Systems
  • Industrial Paint Systems
  • Process Piping Systems
  • Boiler Installation & Repair
  • Sump Pump & Backup Systems
  • Sewer Maintenance
  • Water Heaters
  • Gas Line Installation / Appliance Hookups
  • Furnace, Air Conditioning & Air Quality Systems

The Long Companies are now a

Certified Woman's Business Enterprise Logo

Long Kitchen & Bath Design Gallery in Downtown Northville

Visit our Long Kitchen & Bath Design Gallery in Downtown Northville

Design  •  Fixtures & Accessories  •  Remodeling Services

Copyright © 2009 Long Mechanical, Inc. & Long Plumbing Co.
Serving Southeast Michigan and other Midwest States