Welcome to L.E.S HEATING AND AIR CO.

RESIDENTIAL MAINTENANCE
Seasonal Maintenance (includes filter changes)
- 2 times / year
- 15% Discount on all parts and labor on any service

COMMERCIAL MAINTENANCE
Replacement of air filters
- 4 times / year

Seasonal Maintenance and heating inspection
- 2 times / year
- 15% Discount on all parts and labor on any service

AUTOMATIC RENEWAL OF MAINTENANCE AGREEMENT

15 POINT COOLING UNIT CHECK & SERVICE:
1.	Clean the outside condensing coil.
2.	Check operating pressures.
3.	Check for proper refrigerant charge (adjust if necessary).
4.	Check evaporator superheat.
5.	Check temperature at the return and supply air.
6.	Check that the condensate drain is open.
7.	Lubricate all moving parts where accessible and appropriate.
8.	Check belt and adjust tension as appropriate.
9.	Check fi lter and change standard disposable fi lter if needed.
10.	Check all safety and operation controls.
11.	Check voltage and amperage to all motors.
12.	Check the operation of the compressor conductor.
13.	Check start capacitor and relays.
14.	Check all wiring and connections inside the unit and disconnect box.
15.	Inspect thermostat and observe its operation.

15 POINT HEATING UNIT CHECK & SERVICE:
1.	Clean the gas burners.
2.	Check the pilot assembly.
3.	Check the thermocouple. (Replace if necessary)
4.	Check the burner ﬂame and adjust gas pressure if necessary.
5.	Check the heat exchanger.
6.	Check the flue venting.
7.	Check the fan control.
8.	Check the limit safety device and electrical wiring.
9.	Check the blower speed.
10.	Check the amp draw of the motor.
11.	Check belt and adjust tension if needed.
12.	Lubricate all moving parts where accessible and appropriate.
13.	Check filter and change standard filter for residential.
14.	Inspect thermostat and check the heat anticipator setting.
15.	Check for safe operation.

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8 W. College Dr.Suite E Arlington Heights, IL 60004