Welcome To Jm Mechanical, Inc Based In Barnesville Mn. We Specialize In: Residential Hvac Contractor, Commercial Contractor, Residential Plumbing, Commercial Plumbing, Water Treatment Purification Repairs, Sewer And Drains, Central Ac Repairs, Heat And Gas Pumps, Thermostat And Oil Furnace, Sump Pump Repairs And Water And Gas Pipes. Contact Jm Mech...