Replace your furnace before the holidays if it is 15 years old or more and comes with repeated repairs, rising heating bills, or rooms that never get comfortable. If it heats the whole house reliably, keep it and have it checked. With Thanksgiving on Thursday, November 26, there is still time: next-day installation is very regularly available at Topline, and our average is about four days from first inquiry to completed installation.
Holiday guests find out what your heating system has been hiding. The living room is warm, but the upstairs bedroom where your family will sleep never catches up, or the furnace shuts down on the first cold morning of the visit. Early November is the time to find out, while you can still choose a system, compare options and schedule the work calmly.
Should you replace your furnace before the holidays? The answer depends on your furnace’s age and whether it is giving you trouble, which the checks below will show.
Last reviewed November 2026.
Is there still time to replace a furnace before Thanksgiving?
Yes. Thanksgiving falls on Thursday, November 26, 2026, and at Topline next-day installation is very regularly available. Our average is about four days from first inquiry to completed installation. Your date depends on the equipment, the work required, permits, location and schedule, and we give you a real date once we’ve seen your home.
If you decide to replace your furnace before the holidays, tell us when you reach out that you’re hosting. Our guide to how long furnace replacement takes explains the difference between a one-day installation and the full timeline from first call to heat running.
“George and Bill came out on the day they were supposed to, within the time they were supposed to and installed the unit with no problems.”
— Kurt S., 5-star Google review
What should you check before guests arrive?
Run the heat as you normally would over the next few chilly days and pay attention to the rooms guests will use.
| What to check | What it tells you | What to do next |
|---|---|---|
| Does the house reach the temperature you set? | A furnace that falls behind on cold mornings may be undersized, worn out, or fighting a distribution problem. | Note when it happens and how long it takes to catch up. |
| Are some rooms always cold? | ENERGY STAR says uneven temperatures can come from how the equipment operates, the ducts, or insulation. | Tell us which rooms. The cause decides the fix. |
| Has it needed repeated repairs? | Several failures in one heating season point to a system near the end of its life. | Write down what failed and what you were quoted. |
| Is the filter clean? | The Department of Energy’s Building Science Education program says a dirty filter can sharply reduce airflow. | Check or replace it per the manufacturer’s instructions. See how often a furnace should be serviced. |
| Do your carbon monoxide alarms work? | The CPSC says that if an alarm sounds, go outside immediately and call 911. Don’t go back in until responders say it is safe. | Test them and replace any that are due. |
Should you replace your furnace before the holidays?
Replace it when age comes with a problem. ENERGY STAR says to consider replacing a furnace or boiler more than 15 years old, and it points to frequent repairs, rising energy bills and uneven temperatures as reasons to look closer. It also says an ENERGY STAR furnace is about 15% more efficient than a conventional one.
Fifteen years is the point to evaluate, and what the furnace does matters more than the number. A well-maintained older furnace that heats the house evenly can stay. A furnace that keeps breaking down, or never keeps up, is the one to replace before it fails with a full house. Our guide to how old is too old for a furnace covers the age question in detail, and our repair-or-replace guide helps if yours has already stopped.
“Kimberly did exceptional and worked really hard to deliver a wonderful experience for my family. She was understanding and transparent which made me feel very comfortable!”
— Jordon, 5-star Google review
What if only the guest room is cold?
Do you need to replace your furnace before the holidays just to fix one cold room? Not necessarily. A new furnace, or a bigger one, won’t automatically fix one uncomfortable room. The cause comes first: it may be ductwork, insulation, or a room your system was never designed to reach.
That’s why our free, no-obligation in-home estimate looks at the rooms you want to improve, your current equipment, and how heat travels through the house. ENERGY STAR advises that a contractor evaluate the home and its ducts and size the system to the house, because a bigger system isn’t always better. If a room has never been served well, or has no ducts at all, a ductless mini-split may fit better than changes to the existing system.
What if you want a different kind of heat?
An aging furnace is a good moment to ask whether to replace it with the same thing. If you heat with oil, moving to a heat pump or natural gas is an upgrade in almost every way, and we handle the full scope of fuel conversions in every market we serve. If you have gas and good ducts, a new gas furnace is often the right call. If your air conditioner is aging too, ask for a quote on replacing the furnace and AC together. Our heating-system options guide compares the choices.
“…the team handled the hurdles professionally and always communicated if they needed to make a change to the plans. They were attentive, professional, and punctual.”
— Erica J., 5-star Google review
Furnace-before-the-holidays questions, answered
Is it worth replacing an old furnace before the holidays?
Yes, when the furnace is 15 years or older and shows repeated repairs, rising bills or uneven rooms. If you replace your furnace before the holidays, you choose the system and the date instead of reacting to a breakdown with guests on the way.
Can a new furnace be installed before Thanksgiving?
Often, yes. Next-day installation is very regularly available, and our average is about four days from first inquiry to completed installation. Tell us you’re hosting when you contact us.
Can a furnace be too old if it still works?
A working furnace can still be worth replacing if it is well past 15 years and costing you in repairs, bills or comfort. If it heats evenly and rarely needs service, there’s no rush.
Does Topline charge for the estimate?
No. Our new-system estimates are free and carry no obligation. Financing is available through Topline, subject to credit approval, eligibility and lender terms.
Get your free estimate before the house is full
Want to replace your furnace before the holidays? Topline Heating & Air offers free, no-obligation in-home estimates for new systems in and around Lancaster, Scranton, State College, Dayton, Canton, Pittsburgh and Rochester. We’ll look at your home, explain what we recommend and why, and tell you when we can install it. In Lancaster County, we also repair and maintain heating systems.
Request your free new-system estimate and select “New System / Replacement.” Tell us if you’re hosting or currently without heat so we can offer the earliest appointment.