Industry Leading Guarantees on All Services & Equipment

At MJM Mechanical our motto is “Quality is not just something we say, it’s in everything we do”. 

We stand behind our work and have the guarantees to back it up and provide you with the peace of mind you deserve when choosing MJM for your next HVAC repair or replacement.


100% Satisfaction Guarantee on All HVAC and Plumbing Services

Our Guarantees:

  • Two-year, 100% Satisfaction Guarantee or your money back*
  • No Subcontractor Guarantee: MJM Mechanical never uses subcontractors; we employ only factory-trained, EPA certified technicians.*
  • 24-Hour HVAC Service Guarantee: we will respond to your call and repair your heating or cooling problem within 24 hours or we will waive the destination charge.*
  • HVAC Repair Guarantee: If we do not repair your furnace, air conditioner, or boiler correctly the first time, we will return for free!**
  • Heat Exchanger Diagnosis: Our service technicians are certified heat exchanger experts and trained to diagnose heat exchanger damage. If our technicians incorrectly diagnose a crack or flaw in your furnace, we will refund all repair costs and install a new Carrier furnace free of charge.
Ten-Year Parts Guarantee: MJM Mechanical guarantees the following items for up to 10 years against defects in materials or workmanship from the date equipment is placed into operation by one of our certified technicians.***
  • All ductwork
  • All sheet metal straps, clamps, fasteners, hangers, locks, and drives
  • All condensate drain piping, hangings, and fittings
  • All high-voltage electrical wiring, conduit, fitting, straps, clamps, and terminal connectors
  • All high-voltage electrical disconnects, boxes, switches, and fuse boxes
  • All low-voltage electrical wiring, wire nuts, straps, ties, and connectors
  • All refrigerant piping is guaranteed to be leak-free. The warranty does not include the cost of gaining access to underground or inaccessible piping
  • All refrigerant piping insulation
  • All equipment pads, stands, jacks, and vibration elimination devices
MJM Heating Air Conditioning - Fort Wayne Indiana

Extended Warranties for HVAC Systems

Reasons why all equipment and labor should be covered by an extended warranty:
  • Plan and project your costs while protecting against increases in parts or labor.
  • Factory warranties usually expire prior to the end of the equipment life cycle.
  • Extended warranties can cover the bill for all costs, including labor, during the insured period.
  • Peace of mind knowing your equipment is covered.
Contact us today to learn more about the extended warranties available for your new or existing heating and air conditioning equipment.

Disclaimers: *Please call or see store for details; **We will waive the service charge; ***Yearly maintenance must be performed by MJM Mechanical.