Jennings Heating
and Cooling Inc.

* Heating * Air Conditioning * Fireplaces * Services * Financing

Here are some useful service tips

Gas Furnace Check

Oil Furnace Check

1. Vacuum and clean the burners

2. Clean & adjust the pilot & sensor

3. Adjust the primary air

4. Adjust the gas pressure

5. Check for gas leaks in the furnace

6. Check and oil motor & bearings

7. Check condition of the fan belt

8. Check condition of the air filter

9. Calibrate & check the thermostat

10. Check all safety controls

11. Check furnace & chimney draft

12. Check temperature draft

13. H.E.T. test on the exchanger

14. Check for carbon monoxide

15. Check the complete heating cycle

1. Replace the oil nozzle

2. Replace the oil filter

3. Inspect the burner cone assembly

4. Adjust the burner electrodes

5. Check for oil leaks

6. Check and oil motors and bearings

7. Check condition of the fan belt

8. Check condition of the air filter

9. Calibrate & check the thermostat

10. Check all safety controls

11. Check furnace & chimney draft

12. Check temperature rise

13. H.E.T. test on the exchanger

14. Check for carbon monoxide

15. Check the complete heating cycle

Air Conditioner Check

Heat Pump Check

1. Check the refrigerant level

2. Observe refrigerant gauge readings

3. Clean outdoor coil

4. Check electrical connections

5. Check amperage readings

6. Check and oil motors and bearings

7. Check condition of the fan belt

8. Check condition of the air filter

9. Calibrate & check the thermostat

10. Check the indoor coil and drain pan

11. Clean the indoor drain

12. Check the indoor temperature difference

13. Check the home electric panel

14. Check for proper fuse sizes

15. Check the complete cooling cycle

1. Check the refrigerant level

2. Observe refrigerant gauge readings

3. Clean outdoor coil

4. Check electrical connections

5. Check amperage readings

6. Check and oil motors and bearings

7. Check condition of the fan belt

8. Check condition of the air filter

9. Calibrate & check the thermostat

10. Check the indoor coil and drain pan

11. Clean the indoor drain

12. Check the indoor temperature difference

13. Check the home electric panel

14. Check for proper fuse sizes

15. Check the complete defrost cycle

Electric Furnace Check

Aprilaire Humidifier Check

1. Check the electrical heating elements

2. Check voltage readings

3. Check amperage readings

4. Check the relay and sources

5. Check and oil motors and bearings

6. Check condition of the air filter

7. Calibrate & check the thermostat

8. Check the limit controls

9. Check for proper fuse sizes

10. Check the complete heating cycle

1. Replace the water pan level

2. Clean the distribution tray

3. Clean the humidifier drain

4. Clean the humidistat

5. Check for water leaks

6. Check the water solenoid

7. Set the air damper

8. Check the furnace relay

9. Check the water orifice

10. Check the complete humidifier operation

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