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Furnace Replacement

Furnace Replacement in Columbia & Lexington, SC

When your furnace can't keep up anymore, Carolina Conditions makes replacing it simple. We've been keeping Midlands families comfortable since 2008, and our team handles every furnace replacement in Columbia, SC, and Lexington from start to finish, so your new system is installed the right way the first time.

Every new system comes with a free estimate, flexible financing, and our price match guarantee, so you can feel confident you're getting a fair price on a new heating system near Columbia, SC.

Signs It's Time to Replace Your Furnace

  • Your furnace is 15 years old or older
  • You've needed heating repairs more than once in the past couple of years
  • Your heating bills keep going up
  • Some rooms stay cold while others are too warm
  • You hear banging, rattling, or squealing when the system runs
  • The burner flame looks yellow instead of blue, which can point to a safety problem

If your furnace is under 10 years old, a repair is often the better choice. If it's older and breaking down often, replacement usually saves you money over time. We'll give you an honest recommendation either way.

Gas Furnace or Heat Pump: Which Is Right for You?

Our Midlands winters are mild compared to much of the country, so homeowners here have great options:

  • Gas furnaces deliver strong, steady heat on the coldest nights. High-efficiency models with an AFUE rating of 90% or more help keep gas bills down.
  • Heat pumps heat and cool your home with one system and work very efficiently in our climate.
  • Hybrid (dual fuel) systems pair a heat pump with a gas furnace, using the heat pump most of the time and the furnace when temperatures really drop.

Our technicians measure your home and talk with you about cold rooms, comfort issues, and budget before recommending the right system.

Trane and Tempstar Furnace Options

We install trusted brands built to last. Trane furnaces and heat pumps are known for reliability and high efficiency, while Tempstar offers dependable performance at a great value. You can explore all of our HVAC products and compare options with your technician during your free estimate for furnace replacement in Columbia, SC.

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Furnace Replacement & Installation FAQs

How much does it cost to replace the heating system?

The cost of a new heating system depends on the type of system (gas furnace, electric furnace, or heat pump), its efficiency rating, the size your home needs, and whether ductwork, venting, or a new thermostat is needed. We provide free, no-obligation estimates with clear options, and our price match guarantee and flexible financing help make your new system affordable.

What size HVAC system do I need for my home?
    1. Determine the square footage in your home. You may be able to locate the number written down someplace, or you may have to measure it yourself. Use a tape measure to calculate the length and breadth of a room on your own. Multiply those figures to find the square footage of that room. Repeat for each room and corridor, then sum them all together.
    2. Multiply your square footage by 20. This will give you the basic BTUs you should look for in a new HVAC system.
    3. Add 100 BTUs for each person living in the home.
    4. Add 1000 BTUs for each window and exterior door.

This will give you a pretty accurate idea of what size HVAC system you need for your home, but you’ll need to have a professional HVAC technician do a load calculation to determine the exact size HVAC unit you’ll need to heat and cool your home.

Should I replace or repair my home heating system?

When deciding whether to repair or replace your home heating system, the first aspect to examine is the age of your system. A furnace has an average lifespan of 15-20 years; beyond that, the system begins to malfunction more frequently. Repairs are your best bet if your furnace is less than ten years old. If the unit is 12 years old or more, it's time to think about replacing it. Consult a professional if your furnace is more than ten years old and giving you problems.

Will my new furnace work differently than my old one?

Furnaces are rated by the Annual Fuel Utilization Efficiency (AFUE) ratio, which is the percent of heat produced for every dollar of fuel consumed.

Like the miles-per-gallon rating on your automobile, the higher the AFUE rating, the lower your fuel costs. All furnaces manufactured today must meet at least 78% AFUE. If your furnace is 10 – 15 years old, it very well may fall below the current furnace minimum and waste energy.

This doesn't mean that you should only select a furnace based on its AFUE rating. The efficiency rating is just one factor to consider when looking for a new furnace.

Furnaces use electricity to run fans and motors. The amount of electricity used varies greatly depending on the type of furnace. Be sure to check electricity usage prior to making a purchase decision.

How long does furnace installation take?

Most furnace installations are completed in one day. Jobs that need ductwork changes, new venting, or a switch to a different type of system can take a little longer. We'll give you a clear timeline with your estimate.

Should I replace my furnace and AC at the same time?

If both systems are 10 to 15 years old, replacing them together is often the smart move. Matched systems work more efficiently, and you avoid paying for two separate installations. Our team can walk you through both options.

What areas do you serve for furnace installation?

We provide furnace installation services throughout the Midlands, including Columbia, Lexington, West Columbia, Irmo, and Chapin, SC. Call us 24/7 at 803-233-7172 to schedule your free estimate.

What Affects the Cost of Furnace Replacement?

Every home is different, so the price of a new furnace depends on a few key factors:

  • System type: gas furnace, electric furnace, heat pump, or hybrid system
  • Efficiency: higher AFUE ratings cost more up front but save more each month
  • Size: your system must be properly sized for your home's square footage and layout
  • Installation needs: ductwork changes, venting updates, or a new thermostat
  • Replacing your AC too: pairing your furnace with an AC replacement can save on installation

Free Estimates, Financing & Our Price Match Guarantee

Carolina Conditions is happy to provide complimentary quotes on a new heating system. One of our technicians will take precise measurements of your home, note any rooms that run too hot or cold, and give you a few different options on a new furnace or heat pump.

Need a new system but want to pay over time? Explore our convenient financing options. And with our price match guarantee, you can rest assured you're getting a fair price.

Protect Your New Heating System

Once your new furnace is installed, regular heating maintenance keeps it running efficiently for years. With our Total Home Care Club, you get ongoing maintenance, and a portion of your membership dues goes into a savings account you can use toward a future system.

Home Comfort Starts Here

If you're ready for furnace replacement in Columbia, SC, Lexington, or anywhere in the Midlands, contact us online or call 803-233-7172 to schedule your free estimate. We look forward to helping your family stay warm and cozy this winter!

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