Troubleshooting Your Air Conditioning System before Service or Repair

Always know that an expert Air Conditioning Technician from Smith and Willis is just a phone call away. We are ready to assist in any air conditioning issue you may have.

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.

Potential cause

You may have a tripped circuit breaker in your home

Your thermostat may be off or set incorrectly


Your indoor unit is running, but the outdoor unit is not

First course of action

Check your home circuit breaker box

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


Air coming through your vent will be warm. Check temperature setting

Suggested solution

Reset circuit breaker


Reset thermostat to your desired temperature


Contact Smith and Willis. In the meantime, try turning off your thermostat for 1–3 hours to see if it will reset

If you are unable to find a solution, please know that we are just a phone call away. Smith and Willis Trained Technicians can usually diagnose an issue in relatively short order!  Call (303) 688-4487 today.

local Heating & Air Experts

Smith & Willis Heating & Air Conditioning, LLC.

6121 CLERMONT ST
COMMERCE CITY, CO 80022

Phone: (303) 688-4487
Fax: (303) 688-1811

Contact Us

24 Hour Emergency Service

Office Hours:
Monday - Friday 8:00 a.m. to 5:00 p.m.

Serving Denver Metro Colorado with over 100 years of combined experience.

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