HVAC Troubleshooting Guide

Maintaining your HVAC system for peak performance

It’s always nice when an expert is just a phone call away. There are, however, some quick and easy solutions you can try on your own. Below is a list of common issues, causes and remedies for HVAC systems. For anything that falls outside this list, please contact us.

No cooling

Click one of the potential causes below to learn more.

You may have a tripped circuit breaker in your home

First Course of Action

Check your home circuit breaker box

Suggested Solution

Reset circuit breaker

Your thermostat may be off or set incorrectly

First Course of Action

Check to make sure your thermostat is on and set to cool

Suggested Solution

Reset thermostat to your desired temperature

Your indoor unit is running but the outdoor unit is not

First Course of Action

Check to make sure your thermostat is on and set to cool

Suggested Solution

Reset thermostat to your desired temperature

No heating

Click one of the potential causes below to learn more.

Your gas could be turned off

First Course of Action

Check gas valve at gas company meter, check shutoff valve at furnace, check for other shutoff valves

Suggested Solution

Contact gas company to have gas valve turned on or contact us

Your system could be turned off or your unit unplugged

First Course of Action

Check your thermostat and system itself to assure that they are plugged in

Suggested Solution

Refer to your use and care manual or contact us

Your thermostat may be off or set incorrectly

First Course of Action

Check to make sure your thermostat is on and set to heat

Suggested Solution

Reset thermostat to your desired temperature

You may have a tripped circuit breaker in your home

First Course of Action

Check your home circuit breaker box

Suggested Solution

Reset circuit breaker box

No airflow

Click one of the potential causes below to learn more.

This may be the direct result of dirty filters

First Course of Action

Check the filters in each of your system components

Suggested Solution

Clean or replace filters as recommended in your use and care manual. If problem persists, please contact us

Your system may have frozen up as the result of a dirty coil

First Course of Action

Check for signs of water below unit and cold exterior surface of indoor coil enclosure

Suggested Solution

Contact us. In the meantime, try turning your thermostat off for 1–3 hours to see if it will unfreeze

Unusually high utility bills

Click one of the potential causes below to learn more.

If your system is reaching its set point is it working correctly

First Course of Action

Check the following:

Is your system cycling constantly?

Is your thermostat reaching its set value?

Do you have any new appliances (e.g., a hot tub or pool heater) that are using lots of power?

Have you checked to see if your local utility company had a recent rate increase?

Suggested Solution

If your system is not reaching its set point, please contact us

Are your local temperatures constantly in the extreme

First Course of Action

Check the following:

Is your system cycling constantly?

Is your thermostat reaching its set value?

Do you have any new appliances (e.g., a hot tub or pool heater) that are using lots of power?

Have you checked to see if your local utility company had a recent rate increase?

Suggested Solution

If your system is not reaching its set point, please contact us

Equipment runs all the time

Click one of the potential causes below to learn more.

Your system could be trying to reach a set point that is too extreme

First Course of Action

Check the set point on your thermostat. Is it very low (summer) or very high (winter)?

Suggested Solution

Reset your thermostat. If that doesn’t work, please contact us

Drain pan is overflowing

Click one of the potential causes below to learn more.

The overflow switch is probably not working

First Course of Action

Turn your system off

Suggested Solution

Contact us