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  (904) 379-1606

Licensed & Insured CAC 1818212

Serving Residential & Commercial Customers in Jacksonville, FL and the surrounding areas

Frequently Asked Questions


We have compiled the most frequently asked questions about AC Maintenance, AC Repair, and air ducts. If you do not see your question, give us a call at (904) 379-1606.

Should I have my Air Ducts cleaned?
It would be best if you had your Air Ducts cleaned every 3 to 5 years. If your family suffers from allergies, you may need to have them cleaned more often.
How often should I check my air filter?
We recommend checking your air filters once a month. If you have a disposable filter and it is dirty, throw it away and replace it with a new one. Are you tired of remembering to buy filters? Check out our filter subscription service.
What does it mean if my unit freezes up?
If the airflow is restricted, the unit will freeze up. Check the filter first. If it is dirty, then replace or clean it. If it is clean, then make sure that the air return is not blocked. Another cause is a refrigerant leak, and one of our trained technicians can check for that!
What are the signs that my AC unit is not working correctly?
Your unit is continuously running at temperatures below 100
You notice new noises or smells caused by the unit
The AC unit blows out warm air when it should be cool
Your utility bill drastically increases
How do I maximize my AC units' energy efficiency?
There are a few ways to maximize the efficiency of your unit. Ensure all of your vents are open and not blocked, and use ceiling fans to help cool the rooms you are using. Aprogrammable thermostat will help you monitor what temperature your thermostat is set at during different times throughout the day, allowing you to turn it up or down based on whether or not you are using it at that time. Also, make sure and check/change your filters and have your unit on a regular maintenance schedule.
How do I know if it is time to get a new AC Unit?
If your electricity bill has dramatically increased, the unit is cooling poorly, or you have had numerous repairs, it is probably time to replace it. Have one of our to determine if it is time to replace the unit or if it requires a simple repair.
What size Heating and Air Conditioning System do I need?
A correctly sized unit should not rely on the size of the structure. The size of the unit is based on the layout of the design and how air will flow. Schedule a visit with one of our trained technicians. They will measure and evaluate the form and orientation to determine the right size for the structure, so it is energy-efficient.
How long will my AC unit last?
If properly taken care of, a good unit can last around 15 years. To extend the unit's life, replace your filters regularly and keep debris away from the outside unit. This debris obstructs the airflow preventing it from working correctly. Also, try to place the unit in a shaded area during the hottest part of the day.
My AC Unit is leaking on the inside of my home. What causes this?
My AC Unit is leaking on the inside of my home. What causes this? Indoor air handlers are located inside the home and remove heat and moisture from the air. A pan is used to collect moisture, but sometimes the drain line to the pan can become clogged. You can remove the drain line and give it a good cleaning with vinegar to remove the build-up.
What temperature should I set my thermostat to?
We recommend setting your thermostat to 68 in the winter and 78 degrees in the summer.
Will a new AC Unit save me money over time?
Most definitely! Today's energy-efficient models do a lot more cooling with a lot less electricity. Units that are ten years old can be 60% less efficient than new units.
What should I check before I schedule a service call?
Make sure that the power to the unit is on. Check for blown fuses and tripped circuit breakers. Clean or change the filters if they are dirty. Change the batteries in your thermostat if it is not coming on and check the settings if necessary.
What is emergency heat?
It is the backup heating element for when the temperature outside is too low for the heat pump to work effectively.
Should I leave room doors open or closed?
We recommend leaving your interior doors open as much as possible; this will help circulate airflow and avoid any pressure issues with your system. It also allows your structure to cool more evenly using less energy.
Should I schedule a technician to maintenance my unit?
Yes. Professional maintenance will go beyond what a typical homeowner can do. Having it checked once or twice a year can also catch any problems while small and manageable.
What information do I need to register my unit?
It requires the following:
  • Name, Address, Telephone, Email
  • Installation date or closing if newly constructed
  • Product model/serial numbers
  • Installing dealer or contractors name, address, and phone number

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We are Taking Every Precaution to Protect the Health & Safety of our Customers and Employees

At Chills on Wheels, we are taking every step to ensure the health of our customers as well as our employees. We use masks as well as foot covers when we visit your home or business. We do ask that while our techs are working at your home or place of business that you allow them to social distance by staying 6 feet or more away.

At the end of each job, our workers use hand sanitizer as well as dispose of the foot coverings, so there is no cross-contamination. At the end of every shift, we clean and spray down all equipment and vehicles.

If you have been exposed to COVID-19 and are quarantined, please let us know before our arrival.

Thank you for your understanding. Together we can stop the spread.

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