Ducane products are built to last and lab tested for dependability. Each one is designed to deliver reliable comfort while helping you save money. No matter what the weather or season, Ducane is always the right choice.

Air Conditioner Repair

Ducane manufactures appliances that homeowners have come to trust. Even a trustworthy appliance requires occasional maintenance or repair, however. If you’re in need of Ducane appliance repair from experienced professionals, your local Appliance Helper can help.

Basic Maintenance 
Regular, scheduled maintenance will increase the energy efficiency and cooling output of your air conditioner. A poorly running HVAC system can dramatically increase your electrical bill, while simultaneously failing to keep you cool in the summer months. Caring for and cleaning your HVAC unit will also decrease the likelihood of costly repairs and replacements. This will allow your air conditioner to work at its peak in the background without you even noticing. 

Clean Your Filter 
First, turn off the power to your HVAC unit. Your filter will be located in the air handler cabinet, and will be easily accessible from the door on the front. Consider investing in a washable filter. High quality washable filters may last you up to 15 years, which should last you through the full lifespan of your air conditioning unit. 
If you see ice around the coils, simply finish cleaning or replacing your filter, close it and turn the power back on. Ice is a common sign of excessively diminished airflow, and can inhibit your evaporator coil from functioning altogether. Once air flow is reestablished, it should melt within a few hours. This alone may result in a significant increase your air conditioner’s cooling capacity. 

Clean the HVAC Interior 
Next, clean out the condenser, evaporator, filters and coil. If these are dirty and clogged by debris, air flow within your unit may be restricted, which can severely affect the efficiency of your unit as a whole. Over time, this can lead to an overheated, overworked and damaged compressor which can result in costly repairs, or even the need to replace your air conditioning system altogether. 

Check Your Electrical Wiring 
Nearly 85 percent of all HVAC repairs stem from electrical problems. Make sure you examine all of the wiring within your unit, especially the wiring connected to an outlet. If you have a tripped breaker or a blown fuse, it is time to bring in an electrician. 

Check Your Ductwork 
The primary function of your ductwork is to deliver and distribute the cooled finished product your HVAC has worked so hard to produce. If your ductwork is cracked or lacks proper sealing, your air conditioning may be dissipating inefficiently around you without you ever being aware of its presence. If this is the case, the good news is that you still most likely have a healthy, well-functioning air conditioning system. Make sure you thoroughly inspect all sealing to ensure your ductwork is efficiently routing your cold air to the proper destination. 

Check for Refrigerant Leaks 
Refrigerant is the lifeblood of your system. This is the substance which absorbs excess indoor heat and releases it outside. The only job of your refrigerant is to run this constant cycle. However, even your refrigerant needs occasional maintenance. If it is not maintained on a regular basis, the unit will begin developing small leaks. Leaks may also simply be a result of old age. If left unmanaged, refrigerant leaks can severely inhibit the ability of your HVAC to function.

Furnace Repair

Ducane manufactures appliances that homeowners have come to trust. Even a trustworthy appliance requires occasional maintenance or repair, however. If you’re in need of Ducane appliance repair from experienced professionals, your local Appliance Helper can help.

Blower 
Check the blower wheel for debris and clean if necessary. The blower motors are prelubricated for extended bearing life. No further lubrication is needed. 

Filters 
All air filters are installed external to the unit. Filters should be inspected monthly. Clean or replace the filters when necessary to ensure proper furnace operation. Table 3 lists recommended filter sizes. 

Exhaust and air intake pipes 
Check the exhaust and air intake pipes and all connections for tightness and to make sure there is no blockage. 

Electrical 
1. Check all wiring for loose connections. 
2. Check for the correct voltage at the furnace (furnace operating). Correct voltage is 120 VAC ± 10%. 
3. Check amp-draw on the blower motor with the blower compartment access panel in place. 

Winterizing and Condensate Trap Care 
1. Turn off power to the furnace. 
2. Have a shallow pan ready to empty condensate water. 
3. Remove the clean out cap from the condensate trap and empty water. Inspect the trap then reinstall the clean out cap. 

Cleaning Heat Exchanger 
If cleaning the heat exchanger becomes necessary, follow the below procedures and refer to Figure 1 when disassembling unit. Use papers or protective covering in front of furnace while removing heat exchanger assembly. 
1. Turn off electrical and gas supplies to the furnace. 
2. Remove the furnace access panels. 
3. Disconnect the 2 wires from the gas valve. 
4. Remove gas supply line connected to gas valve. Remove gas valve/manifold assembly. 
5. Remove sensor wire from sensor. Disconnect 2 pin plug from the ignitor. 
6. Disconnect wires from flame rollout switches. 
7. Loosen clamps at vent elbow. Disconnect condensate drain tubing from flue collar and remove the vent elbow. 
8. Remove four burner box screws at the vestibule panel and remove burner box. Set burner box assembly aside. NOTE: If necessary, clean burners at this time. Follow procedures outlined in Burner Cleaning section. 
9. Mark and disconnect all combustion air pressure tubing from cold end header collector box. 
10. Mark and remove wires from pressure switches. Remove pressure switches. Keep tubing attached to pressure switches. 
11. Disconnect the plug from the combustion air inducer. Remove two screws which secure combustion air inducer to collector box. Remove combustion air inducer assembly. Remove ground wire from vest panel. 
12. Remove electrical junction box from the side of the furnace. 
13. Mark and disconnect any remaining wiring to heating compartment components. Disengage strain relief bushing and pull wiring and bushing through the hole in the blower deck. 
14. Remove the primary limit from the vestibule panel. 
15. Remove two screws from the front cabinet flange at the blower deck. Spread cabinet sides slightly to allow clearance for removal of heat exchanger. 
16. Remove screws along vestibule sides and bottom which secure vestibule panel and heat exchanger assembly to cabinet. Remove two screws from blower rail which secure bottom heat exchanger flange. Remove heat exchanger from furnace cabinet. 
17. Back wash heat exchanger with soapy water solution or steam. If steam is used it must be below 275°F (135°C). 
18. Thoroughly rinse and drain the heat exchanger. Soap solutions can be corrosive. Take care to rinse entire assembly. 
19. Reinstall heat exchanger into cabinet making sure that the clamshells of the heat exchanger assembly are resting on the support located at the rear of the cabinet. Remove the indoor blower to view this area through the blower opening. 
20. Resecure the supporting screws along the vestibule sides and bottom to the cabinet. Reinstall blower and mounting screws. 
21. Reinstall cabinet screws on front flange at blower deck. 
22. Reinstall the primary limit on the vestibule panel. 
23. Route heating component wiring through hole in blower deck and reinsert strain relief bushing. 
24. Reinstall electrical junction box. 
25. Reinstall the combustion air inducer. Reconnect the combustion air inducer to the wire harness. 
26. Reinstall pressure switches and reconnect pressure switch wiring. 
27. Carefully connect combustion air pressure switch hosing from pressure switches to proper stubs on cold end header collector box. 
28. Reinstall condensate trap. 
29. Reconnect exhaust piping and exhaust drain tubing. 
30. Reinstall burner box assembly in vestibule area. 
31. Reconnect flame rollout switch wires. 
32. Reconnect sensor wire and reconnect 2 pin plug from ignitor. 
33. Secure burner box assembly to vestibule panel using four existing screws. Make sure burners line up in center of burner ports. 34. Reinstall gas valve manifold assembly. Reconnect gas supply line to gas valve. 
35. Reconnect 2 wires to gas valve. 
36. Replace the blower compartment access panel. 
37. Refer to instruction on verifying gas and electrical connections when re-establishing supplies. 
38. Follow lighting instructions to light and operate furnace for 5 minutes to ensure that heat exchanger is clean and dry and that furnace is operating properly. 
39. Replace heating compartment access panel. 

Cleaning the Burner Assembly 
1. Turn off electrical and gas power supplies to furnace. Remove upper and lower furnace access panels. 
2. Disconnect the 2 pin plug from the gas valve. 
3. Remove the burner box cover. 
4. Disconnect the gas supply line from the gas valve. Remove gas valve/manifold assembly. 
5. Mark and disconnect sensor wire from the sensor. Disconnect 2 pin plug from the ignitor at the burner box. 
6. Remove four screws which secure burner box assembly to vest panel. Remove burner box from the unit. 
7. Use the soft brush attachment on a vacuum cleaner to gently clean the face of the burners. Visually inspect the inside of the burners and crossovers for any blockage caused by foreign matter. Remove any blockage. 
8. Reconnect the sensor wire and reconnect the 2 pin plug to the ignitor wiring harness. 
9. Reinstall the burner box assembly using the existing four screws. Make sure that the burners line up in the center of the burner ports. 
10. Reinstall the gas valve manifold assembly. Reconnect the gas supply line to the gas valve. Reinstall the burner box cover. 
11. Reconnect 2 pin plug to gas valve. 
12. Replace the blower compartment access panel. 
13. Refer to instruction on verifying gas and electrical connections when re-establishing supplies. 
14. Follow lighting instructions to light and operate furnace for 5 minutes to ensure that heat exchanger is clean and dry and that furnace is operating properly. 
15. Replace heating compartment access panel.