A 95% furnace uses less gas to deliver the same heat as an 80% model. Sounds like an easy choice, right? Not quite. High-efficiency furnaces cost more upfront and may require new venting and a condensate drain. If yours sits in the attic, installation can get more complicated.
DFW's shorter winters also mean it could take years for the gas savings to cover that difference. At CityLine Air Conditioning, we compare equipment costs, installation requirements, and potential savings, including available rebates, so you can decide whether the extra efficiency is worth paying for.
Just because your furnace is getting older doesn't mean it needs replacing. But some problems are worth looking at beyond the next repair bill. Here are five situations where pricing a new furnace makes sense.
Your furnace still has a standing pilot light.
If that little flame burns around the clock, you're likely dealing with much older equipment. Older furnaces can be considerably less efficient than today's models, so it's worth comparing what a replacement could save.
Some rooms never get warm enough.
If the furnace runs constantly but the far bedrooms stay cold, the problem could be equipment sizing, declining performance, or airflow. We'll check those factors before deciding whether a new furnace would help.
You're already replacing the air conditioner.
Your furnace blower also moves cooled air through the house. If the furnace is aging, replacing both together may be worth considering for equipment compatibility, installation costs, and long-term reliability.
Finding replacement parts has become a headache.
When a control board or inducer motor is discontinued, even a straightforward repair can become complicated. If parts are getting harder to find, consider replacement before the next breakdown forces your hand.
Your home isn't the same as when the furnace went in.
An addition, converted garage, or major insulation upgrade can change your heating needs. A properly sized replacement may make more sense than keeping equipment selected for the original layout.
Wondering whether your furnace has more life left? Our furnace repair technicians can assess its condition before you commit to replacing it. If you're considering a complete system upgrade, compare heat pump installation as another option. You can also explore HVAC financing to help manage replacement costs.
A gas furnace replacement in Dallas-Fort Worth typically costs $3,500 to $9,000 installed, although your actual price depends on the job. Furnace size, efficiency, and installation requirements all matter. An 80% furnace generally costs less than a 95% model, which may need additional venting and drainage. Replacing your air conditioner at the same time also changes the total.
The existing setup matters just as much as the furnace you choose. If the new unit fits the current space and connections, installation may be relatively straightforward. But changes to gas piping, electrical connections, or ductwork can add to the bill. Our free installation estimate accounts for those details, so you know what the work involves and what you're paying for.
Our free installation estimate accounts for those details, so you know what the work involves and what you're paying for.
Furnace size, efficiency, and installation requirements all matter.
When the indoor coil and outdoor unit are newer and in good shape, replacing just the furnace can make sense, as long as the new furnace works with them. Ask for both prices at the estimate. The manufacturer's 10-year parts warranty applies either way.
| What you're weighing | Furnace only | Full system |
|---|---|---|
| When it fits | Only the furnace is old | Every part is aging, or the old parts no longer match |
| What has to match | The new furnace must work with the coil and outdoor unit you keep | All the parts are chosen together as one matched set |
| Where the work happens | In the attic only | In the attic and at the outdoor unit |
| Upfront cost | The lower of the two | Higher, with every major part new |
Every package already includes labor coverage. On a full new system, the Peace of Mind package extends it to 10 years. That matches the parts warranty, so a failed part and the labor to replace it are covered for the same decade.
We work with lenders for a range of credit profiles, including Service Finance and Foundation Finance. A decision takes about 30 minutes, so you can choose a package and a payment plan in the same visit. The lender sets the terms.
If you've recently paid for a furnace repair and later decide to replace the system, part of that repair cost may count toward your new installation. Ask our team about the available repair credit and eligibility.
Your technician looks at the furnace, its vent pipe, the gas line to it and the coil on top, and photographs each on an iPad. Those photos show if a 95% furnace's extra pipe and drain will fit up there.
The four packages appear on the iPad, each with a picture and a price. If you're financing, the application goes in during the visit, and you sign once you've chosen.
An install crew removes the old furnace from the attic, sets the new one and connects it to the existing gas supply, venting and ductwork. Then the crew runs it through a full heating cycle.
Pulling the city's permit is our job. After the install, we schedule the city inspector's visit, so the paperwork never lands on you.
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No cooling or no heat? Call (972) 776-4455, day or night.
Replacing a furnace is a big decision, especially when you've never had to buy one before. You might be wondering whether to stick with gas, which efficiency rating makes sense, or how much of your existing setup can stay. Our team can walk you through those questions without expecting you to have all the answers.
You have the advantage of time. Compare equipment, think through your budget, and choose an installation date that suits your household. There's no need to rush a decision while your current furnace is still keeping everyone warm.
Tell our office team when you call. We offer same-day installations when equipment and crew availability allow, so you may not have to wait days for a replacement. We'll check what's possible for your home.
4.7stars from 700+ Google reviewsFurnace past 15 years or already failed? Call (972) 776-4455 · Request an Estimate
Based in Richardson, our furnace installation crews serve homeowners throughout Plano, McKinney, Frisco, Allen, Carrollton, Irving, Grapevine, Bedford, Euless, Hurst, and North Richland Hills.
Our service area stretches across the northern Dallas-Fort Worth Metroplex, covering established neighborhoods and newer residential communities alike. We also reach select North Dallas and Fort Worth ZIP codes, where coverage varies by address.
If your neighborhood isn't listed, give our office a call to confirm whether we serve your area.
Our Service Area
Don't see your street? Call (972) 776-4455 and ask.
The technicians were professional and very knowledgeable. We had our AC serviced, new Gas Furnace installed with air purifier, and also had our air ducts cleaned. I would go to CityLine first before any other company!
Kyle Cooper
The technician, Alberto, arrived on time, knew the equipment he was working on, was very professional, and was happy and very thorough.
Alann Nevarez
They contacted us in a timely manner, were on time for the service call and took care of the issues.
Jeffrey N.
Alberto Nevarez was great. Helped inform us of everything we needed to know plus extra. He went above and beyond to educate us as new home buyers of our systems and needed maintenance. 10 out of 10 would recommend
Tony A.
CityLine came to my home to check my unit for heating for this winter and were excellent. Technician Jay Jones was superb! He explained in detail everything he reviewed and gave me confidence in the service provided. 10/10! Would recommend to everyone!
Ryan F.
Travis came by to do a check up on the system. He's very courteous and friendly. All is well with the system.
Adrien C.
November 27, 2023A furnace is a crucial component of a home’s heating system, responsible for providing heat during cold weather. It works by converting fuel, such as gas, electricity, or oil, into heat, which is then distributed throughout the home via ducts or pipes.
November 19, 2018We’re getting closer to the coldest part of the year here in Dallas, so make sure your heater is ready. Your heating system does more than just heat your home: it also directly impacts your home’s indoor air quality too.
December 17, 2018We know you’re running your heater more than ever now. It’s necessary during these cold Dallas winters, but make sure you’re not paying too much for your heating services.
If your furnace is over 15 years old or facing an expensive repair, it's worth comparing replacement costs. Planning ahead gives you time to explore equipment options without rushing.
Most gas furnaces last around 15 to 20 years. Proper installation, maintenance, and usage all affect lifespan. Some last longer, while others develop expensive problems much earlier.
Yes. Under current federal regulations, qualifying gas furnaces manufactured from December 18, 2028, must meet 95% efficiency. Until those requirements take effect, 80% models remain an option.
That depends on your home's heat loss, not just its square footage. Insulation, windows, layout, and local winter temperatures all matter. Proper sizing helps prevent short cycling and uneven heating.
No. Atmos Energy's Mid-Tex program currently offers $300 for qualifying 90%+ furnaces and $350 for 95%+ models. Eligibility, application deadlines, and available program funds all apply.
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