
Gas furnace replacement costs depend on the type of furnace you want and installation fees. Our guide explains all the factors involved in a new furnace cost.
There’s only one right choice for hiring out a furnace installation
A high-efficiency furnace installation requires proper sizing, venting setup, and condensate pipe connections to ensure your system operates safely and efficiently.
Expect to pay $2,800 to $6,700 for professional furnace installation, and this investment ensures your system meets all codes and safety standards.
Improper installation creates serious hazards like carbon monoxide leaks and fire risks, so professional installation protects your home and gives you peace of mind.
Hiring a local furnace installation professional takes the complexity out of sizing, venting, and connecting your new system while keeping your home safe.
A high-efficiency furnace is a great option for homeowners looking to heat their homes for less without sacrificing comfort in any weather condition. These systems are also less noisy and better filter the air of harmful pollutants. If you want to get a high-efficiency furnace installed, it’s best to hire an HVAC technician—for many reasons.
An HVAC technician can ensure they install the right high-efficiency furnace, among other benefits.
Among other things, a proper installation includes special considerations such as:
Using a properly sized furnace
Creating venting (possibly also chimney venting) that will circulate air
Connecting a condensate pipe to a drain or pump
If this sounds complex and timely, it’s because it is. An HVAC technician can ensure installation is done safely and in accordance with all codes, regulations, and permits.
Installing a high-efficiency furnace is not a small job. Improper installations foreshadow a myriad of hazards, such as small, unexpected fires and carbon monoxide leaks. Having a professional do the job lets you rest easy knowing that your furnace is safe to use when the temperatures turn.
An HVAC technician who installs your furnace can also offer you an ongoing maintenance plan. Because they installed the system, they're better positioned to maintain it long-term. They’ll also be able to spot signs that your furnace is in trouble early on, which could help you avoid the potentially steep cost of a furnace repair.
Unless you have specialized skills, it's unwise to DIY a high-efficiency furnace installation, given the complexity of the project. There are major downsides to not doing the job right; an improperly installed furnace creates significant safety hazards. A pro can also advise you on whether you should install a furnace or a heat pump.
According to HomeAdvisor, it costs $2,800 to $6,700 to have a pro install a new furnace, but the price is worth it to ensure a job well done.
A certified HVAC technician is really the only person equipped to perform a high-efficiency furnace installation. While a handyperson can tackle more basic jobs like replacing a window or fixing a leak, a furnace installation is complex and requires specialized HVAC tools and experience.

Here are a few of the basic steps an HVAC technician will take when installing a high efficiency furnace in a home:
Measure the size of your home to determine the proper furnace size
Remove the current furnace system, which involves disconnecting ducts and ventilation
Place the new furnace system and attach ductwork and vents
Connect gas and electrical lines
Clear enough space around the furnace to ensure airflow and easy access for future preventative maintenance
Check and adjust the furnace input rate
Your HVAC company should follow these installation procedures from start to finish. If you have questions about whether a high-efficiency furnace is right for your home, or whether your heating and cooling contractor has the expertise to get the job done right, do your homework and contact several qualified HVAC companies in your area to get an estimate and talk options.
Your new condensing furnace will deliver on its promised results if you carefully select the system, size it right, and then work with a reputable HVAC professional to install and maintain it.
If you’re good people wanting to do business with good people, hire Matt. He is a consummate professional and utterly competent. He installed a water heater in my home at a price that beat competitors by hundreds of dollars with a promise to support the unit for its life (even after its 6 yr...
Corey Carr was great. I had damage from a recent storm and needed to have my mast and other components replaced. The project entailed coordinating with AEP, and Corey helped make a stressful situation a lot less stressful. I really appreciated his dedication to service and the job very well done.
This service was great. My air conditioner went out during the heat spell that we had. My husband has health issues and they came out that night and at 9:30pm the air conditioner was fixed and running. We are sooo very thankful, this is the company I will be using from now on and would...
I normally do not leave reviews, but my experience with Worthington Air was extremely frustrating and disappointing. About 30 days ago, I had a consultation done for an HVAC replacement and was quoted approximately $15,079. Based on that quote, I applied for financing through their company...
Great company! Price was competitive, technician showed up on time and completed the job (exterior electric Radon fan replacement) quickly. Would hire them again.
Raven and crew does absolutely fantastic job. They are very professional if any concerns were to occur with any of her work she always took responsibility and finished out with a great job. I have worked with her business for a year and have always been satisfied. Very trusted business and...
I would recommend this company to anyone! He showed up on time, was friendly, completed a very difficult repair on our dryer vent cover, was responsive, and pricing was extremely fair and competitive. I would have him back to do any of our repairs or cleanings without hesitation!
Ace Fireplace Services' chimney sweep service is truly exceptional. They used advanced technology to ensure a thorough cleaning process, and my chimney has never looked better. I highly recommend their services.
The technician was very professional and friendly. He answered all my questions and was very thorough. He left the fireplace area very clean . He inspected from the roof and advised me as to other work that might need to be done. There was no pressure there. I was very satisfied with the...
On time, clean and finished fast. Windows seem sturdy and the finish is good. Caulking was done with no smudges. Would recommend.
From average costs to expert advice, get all the answers you need to get your job done.

Gas furnace replacement costs depend on the type of furnace you want and installation fees. Our guide explains all the factors involved in a new furnace cost.

When it’s time to replace the furnace, review this guide for new furnace costs based on type, size, and efficiency, plus furnace installation costs.

Switching from oil to gas heating could impact your savings. This guide will help you understand the cost to convert from an oil furnace to a gas furnace.

Furnace installations are complex projects that require qualified pros. Use this guide to understand furnace installation services, typical costs, and what to confirm before hiring a pro.

Is your furnace the right match for your home? The U.S. Department of Energy's AFUE ratings could be the secret behind finding the most cost-effective model.

Furnace repair and maintenance is something best left to HVAC professionals rather than doing it yourself. Find out who to hire to get the job done right.