Master Tech Residential Services Department

Master Tech carries a full line of products and can service any and all heating and cooling needs.

We work with all Carrier product lines, Goodman, Payne to name a few but we can assist in any type of system you have.

Repairs will be quoted up front upon the diagnosis, before any work is done. All repairs performed by Master Tech that include parts replacement are guaranteed for one (1) year!

Our services include:

All and Any Heating and Cooling Need.
Residential / Commercial / Industrial.
Furnace Sales & Installation.
Furnace Cleaning, Repairs and Tune Up.
24 hour service emergency service!
Boiler Sales, Service & Repair.
Air Conditioning Sales & Installation.
Air Conditioning Service, Repairs and Tune Up.
Water Heater Sales, Service & Repair.
Humidifiers Sales, Service & Repair.
Sheet Metal Fabrication / Duct Cleaning.
Plumbing.

Cook / Lake: 847.275.9585 - McHenry / Dupage: 815.572.5004

What services can we provide for you?
Baseboard heaters Exhaust fans Attic fans Whole house fans Wall Heaters Floor Heaters Gravity Heaters Forced Air Furnaces/Heaters Water Heaters Air Conditioning	Swamp Coolers Heat pumps Gas/Electric Package units Ductwork Thermostats Electronic Air Cleaners Humidifiers Fireplace inserts Flue / venting Plumbing Basement Remodeling

Repairs will be quoted up front upon the diagnosis, before any work is done. All repairs performed by Master Tech that include parts replacement are guaranteed for one (1) year!

Click here for a description of our 8 point tune up

Click here for a description of our 14 point tune up

Click here for a description of our 17 point combo tune up

What products can we install for you? (click the products button above)
Baseboard heaters Exhaust fans Attic fans Whole house fans Wall Heaters Floor Heaters Gravity Heaters Forced Air Furnaces/Heaters Rooftop units Water Heaters Air Conditioning Toilets Faucets Bathtubs	Swamp Coolers Heat pumps Gas/Electric Package units Ductwork Thermostats Electronic Air Cleaners Humidifiers Fireplace inserts Flue / venting Drains Garbage Disposal Sump Pump Sump Pump Battery Backup Systems Ejector Pumps

A/C Tune up - 8 Point Check

Test cooling cycles for proper operation Check fan control Check condensate drain Check pressure & refrigerant level Check air filters	Check in/outdoor coil for dirt Check for correct air flow Check temperature split and thermostat calibration top..
Furnace Tune up - 14 Point Check
Test heating cycles for proper operation Check and adjust airflow for proper temperature-rise Check fan control Lubricate all moving parts where necessary Check heat exchanger Check high limit control Check all electrical connections	Check belts for cracks and wear Check for flue obstructions Check manifold gas pressure, adjust if necessary Check burner operation Check and replace standard filters Check for correct air flow Check temperature split and thermostat calibration top..
Furnace and A/C Combo Tune up - 17 Point Check
Test heating and cooling cycles for proper operation Check and adjust airflow for proper temperature-rise Check fan control Lubricate all moving parts where necessary Check heat exchanger Check high limit control Check all electrical connections Check belts for cracks and wear Check for flue obstructions	Check manifold gas pressure, adjust if necessary Check burner operation Check condensate drain Check pressure & refrigerant level - I Check and replace standard filters Check in/outdoor coil for dirt Check for correct air flow Check temperature split and thermostat calibration top..