Troubleshooting
Because “It’s broken,” never really helps anyone narrow in on the problem, we’ve created an entire troubleshooting hub. From strange noises to no noise at all, these step-by-step guides give you a starting point for identifying the source of your heating and cooling challenge.
Find the most common problems on different home comfort systems, and perform simple tests that let you know if you’ve found the issue. Our home comfort troubleshooting hub is not a DIY center. Your heating and cooling problems may require an expert, so our solutions are designed to help you identify the problem and select the best HVAC expert for your needs.
Top Troubleshooting Articles
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Heat pump not cooling: the most common problems and solutions
As summer temperatures ramp up, a heat pump not cooling your home is the type of problem you want to…
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Air Conditioner Troubleshooting Guide
Air conditioners are essential to keeping your home cool and comfortable, especially in the summer.
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Furnace Troubleshooting Guide
When the first snow falls, it is easy to feel cozy inside your home — if your furnace is worki…
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AC tune ups & air conditioner maintenance
The last homeowner challenge you want to face is sitting inside without a working AC when summer tem…
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AC freezing up? How to fix a frozen AC unit
Despite the hot and humid weather that sweeps through the summer months, an AC freezing up is one of…
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How to clean mold in a window AC unit
Do you smell that? If your air conditioner is putting out more than chilled air, you may be dealing…
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Furnace flame sensors: cost, how they work, and when to repair
A flame sensor is one of the most important safety features of your furnace. This component is respo…
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HVAC.com’s Guide to Heating: Installation, Maintenance, Repairs, Cost & More
Homes throughout the U.S. need reliable heating systems that provide comfortable and safe temperatur…
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Furnace leaking water? Find out why and how to fix it
Stepping into a puddle of water near your furnace is often the most obvious symptom of a leaking uni…
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Furnace limit switches repair and replacement cost
Does your furnace keep shutting off unexpectedly or running in shorter cycles? If so, you might have…
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Furnace not igniting? How to fix furnace problems
Though a furnace can stop working at any time in the year, most homeowners do not discover any issue…
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Furnace Replacement Warning Signs
It’s getting cold, so that means it’s time to make sure your furnace is up to the task o…
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Lennox mini split troubleshooting
If your HVAC system isn’t working, we’ve got Lennox mini split troubleshooting tips to help.
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Carrier mini split troubleshooting
If your mini split is acting strange, give these instructions a try. Your unit may just need a good…
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Carrier heat pump troubleshooting
A heat pump does the job of a heater and an air conditioner. Since it’s working most of the year, yo…
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Carrier thermostat troubleshooting
If your thermostat isn’t working properly, try these Carrier thermostat troubleshooting tricks. They…
