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HVAC Troubleshooting

Follow our interactive troubleshooting guide to find answers to your system’s problems. Choose from a selection of common HVAC issues or pick your product for help with fixes you can try yourself.

Search by product

Choose your unit, system, or component for details on what’s causing your issues and how you can resolve them.

Air Conditioner troubleshooting tips
Gas Furnace troubleshooting tips
Heat Pump troubleshooting tips
Air Handler troubleshooting tips
Oil furnace troubleshooting tips
Ductless Systems troubleshooting tips
Humidifier + Air Cleaner troubleshooting tips
Packaged systems troubleshooting tips
Thermostat Troubleshooting Tips
Coils troubleshooting tips

Common Issues

Explore the issue that best describes your system’s problem for an expert recommendation on what you can do.

Need help fast?

Contact your local dealer for immediate assistance.

Find your dealer

Maintenance Tips

A healthy HVAC system can last longer and save money. Maintain your system with these tips.

Get tips

Owner’s Manual

Learn more about your product, like its technical specs and innovative technology.

Find your manual

Warranty & Registration

After getting a new system, be sure to protect it with a warranty.

Protect your system

Contact a local dealer

Dealers can answer questions, help you find the right products for your home, and repair your system.

We’re here to help

Connect with our Customer Care team about your products, warranties, and dealer concerns.

Available Monday – Friday from 8am to 6pm CST

1-800-945-5884

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