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FAQ

General HVAC Questions

How often should I service my HVAC system?

Once per season — a tune-up for heating and another for cooling.

How do I know if I need a repair or replacement?

Call one of our technicians to come evaluate your system age, repair history, performance, and efficiency and make a recommendation.

What size HVAC system do I need for my home?

HVAC sizing depends on your home. Our technicians can come to you and do a professional heat load calculation to determine your unique need.

How long does an HVAC system usually last?

Around 12 years on average for AC units; furnaces vary depending on maintenance.

Do you offer free estimates?

Yes, free estimates are available for new system installations.

Are you licensed and insured in Illinois?

Yes, we are fully licensed, bonded, and insured.

Do you offer emergency 24/7 service?

Yes, we offer emergency services.

Heating (Furnace/Boiler)

Why is my furnace blowing cold air?

Common causes include a dirty filter, incorrect fan settings, or system issues. A technician should inspect.

How often should I replace furnace filters?

Every 1–3 months based on usage and filter type.

Why does my furnace keep turning on and off?

This can be due to airflow issues or dirty components like a clogged air filter.

How much does a new furnace cost installed?

A new furnace is typically in the $8,000–$12,000 range depending on size and deals or incentives.

Should I repair my old furnace or buy a new one?

This depends on age of furnace, safety concerns, and repair costs — a technician can evaluate this during service.

Why is my heating bill so high?

Inefficient equipment, poor airflow, or lack of maintenance can contribute. High-efficiency, well-taken care of systems can lower bills significantly.

How often should my furnace be cleaned or inspected?

Once per heating season.

How do I know if my heat exchanger is cracked?

Call us and let one of our trained technician inspect your heat exchanger with our camera inspection system or run a combustion analyzing test depending on type of equipment.

How can I make my home heat more evenly?

Try switching the fan from AUTO to constant run. If that doesn’t work, other solutions can include changing your duct work or installing zoning systems that turn on heat in specific parts of the house as needed based on thermostat readings. If you’re having problems, it never hurts to have someone come and evaluate your systems.

Air Conditioning

Why is my AC not cooling properly?

The most common causes of an AC not cooling properly include low freon (refrigerant), a dirty or clogged filter, or other dirty components like the coil in the unit.

How long should my AC unit last?

About 12 years.

Should I cover my AC unit in the winter?

You should avoid covering your unit. Keeping your AC unit covered can trap moisture inside and result in mold and mildew.

How often should AC refrigerant be replaced?

Never. If refrigerant is low, there’s a leak that must be repaired.

Why is my AC leaking water?

Heat pumps naturally drip outside in winter, but if it’s leaking in the summer, that indicates a problem. In that case, call us for service.

What’s the average cost of a new AC system in Illinois?

Cost can start at around $8,000 and ranges up to $12,000 depending on size, equipment, sales, and incentives.

Why does my AC smell musty?

This musty smell is often due to mold and mildew because of improper drainage. This can be fixed with maintenance, so call us if you have that problem.

Can I run my AC all day?

Yes, running your AC all day is fine.

Do you offer ductless mini-split systems?

Yes, we do.

How do I make my AC more efficient in hot weather?

Keep your outdoor coils clean, keep cottonwood out of the unit, use curtains or blinds, and maintain filters so they are doing their job well.

Air Quality & Ductwork

How often should I clean my air ducts?

Every 5 years on average, depending on pets, allergies, and environment.

Do air purifiers really work?

Yes, especially whole-home purifiers connected to the HVAC system.

How can I reduce allergies in my home?

Try out UV lights, make sure you’re cleaning your ducts, and use whole-home air purifiers.

Do you install humidifiers or dehumidifiers?

Yes, whole-home options are available. Signs you may need a humidifier include dry skin, cracking/creaking wood furniture, static, separating floors.

Why are some rooms hotter or colder than others?

This can be caused by problems with duct work or airflow issues.

Is duct cleaning worth it?

Yes, it improves airflow and efficiency and is especially beneficial for allergy concerns.

Can dirty ducts make me sick?

Yes, ducts can contain dust mites, skin cells, mold, and construction debris.

How often should I replace air filters?

Every 1–3 months depending on conditions.

Do you offer whole-home air filtration systems?

Yes, we have multiple filtration and purification systems available.

Maintenance & Efficiency

How can I lower my heating and cooling bills?

Get regular maintenance done on your systems, keep windows closed, upgrade your equipment to the most efficient systems, and keep your ducts clean for optimal airflow.

Do programmable thermostats really save money?

Yes, they can offer modest energy savings.

Should I get a smart thermostat?

If you’re a frequent traveler or anyone wanting remote control, smart thermostats can be great. You can adjust temps before arriving home from trips or when you’re out and about.

How often should I schedule professional tune-ups?

Once per season — one for heating and one for cooling.

What happens if I don’t maintain my HVAC system?

You can have higher utility bills (up to 25% more), more breakdowns and costly problems, and your system won’t last nearly as long as it should.

How can I tell if my system is the right size for my home?

Have someone from Trouble Free come out and evaluate. Our expert technicians can calculate the heat load for your home.

How much money can I save with a high-efficiency system?

You can save up to 25% of your energy bills on average.

Do you offer financing for new systems?

Yes, financing options are available.

Why should I choose your company over another HVAC company in Pekin, IL?

When you choose Trouble Free, you choose a company that is dedicated to top-notch service and doing things right. We invest in extensive technician training, are licensed, bonded, and insured, offer strong warranties and guarantees, and, most importantly, are family-owned and trusted locally by our amazing customers.

I have used Trouble Free Plumbing for years. When I call to make an appointment, it is booked within a reasonable amount of time…not a week later. The service techs I have dealt with are knowledgeable and answer any questions I have. They installed my furnace and air-conditioner 18 years ago. They come out twice a year, once in the spring to check the air-conditioning unit and once in the fall to check the furnace to be sure everything is operating properly. I am a VERY satisfied customer.

Cheryl Peoria Illinois HVAC

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309.347.5309
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