See what makes Master Tech HVAC inc. your number one choice for Air Conditioning repair in Crystal Lake IL.
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Our Guarantees

When we service your Air Conditioning in Crystal Lake IL, your satifaction means the world to us.

Master Tech HVAC inc. CARRIES A FULL LINE OF PRODUCTS AND CAN SERVICE ANY AND ALL HEATING AND COOLING NEED YOU MAY HAVE.

Because we take pride in our work and as a leading heating and cooling company we will guarantee the following items for up to 10 years against defects in materials or workmanship from the date equipment is placed into operation. A Master Tech HVAC inc. maintenance contract is required:

We stand behind our Air Conditioner company's work in Crystal Lake IL.
  • All ductwork we install.
  • All sheet metal straps, clamps, fasteners, hangers, locks, and drives we install.
  • All condensate drain piping, hangings, and fittings we install.
  • All high voltage electrical wiring, conduit, fitting, straps, clamps, & terminal connectors we install.
  • All high voltage electrical disconnects, boxes, switches, and fuse boxes we install.
  • All low voltage electrical wiring, wire nuts, straps, ties, and connectors we install.
  • All refrigerant piping we install is guaranteed to be leak-free.
  • All refrigerant piping insulation we install.
  • All equipment pads, stands, jacks, and vibration elimination devices we install.

Warranty does not include the cost to gain access to underground or inaccessible piping.


Master Tech HVAC inc. has certified technicians to take care of your AC installation near Elgin IL.