How much does a natural gas furnace cost
Olivia Owen
Published Apr 15, 2026
For a gas furnace, you can plan to spend between $1,000 and $3,000, with the average being closer to $1,200-$2,100 range. For an electric furnace, the range is $500 to $1,200, with average around $800.
How much does it cost to replace a natural gas furnace?
The cost of replacing a gas furnace can vary dramatically depending on the type of furnace you choose and the complexity of the installation process. You can expect to pay between $2,000 and $6,000 to replace your gas furnace with a new one.
How much should a gas furnace cost?
TypeUnit CostInstallation CostTypeUnit CostInstallation CostNatural Gas$700–$6,200$1,000–$3,500Electric$600–$2,700$1,000–$3,500Oil$1,800–$3,200$2,500–$6,000
How much is a new furnace for a 2000 square foot home?
For a 2,000-square-foot home, it’ll cost around $3,300 for a new furnace based on total square footage and BTU rating.How much does a forced air gas furnace cost?
Furnace TypeFurnace Replacement CostGas Furnace$2,200 – $8,596Oil Furnace$4,276 – $6,829
How much does it cost to install a 100 000 BTU furnace?
Each unit type has its own attributes and cost structure, which impacts the cost of your installation. The average range for installing a new furnace in your home is between $2,000 and $11,000, with most people paying around $5,935 for a 100,000 BTU gas furnace replacement for a 2,000 sq. ft.
How long should gas furnaces last?
How Long Does a Furnace Typically Last? The average lifespan of a gas furnace is approximately 15-20 years.
Why is furnace installation so expensive?
HVAC installation is quite expensive, probably because it has emerged to be an immensely specialized trade. Owing to controlling humidity, thermodynamics, airflow, refrigerant, electrical, and plumbing, it is now high on demand.How big of a furnace do I need for a 1500 sq ft house?
Generally in a Californian climate you will need 25-30 BTU per square foot. BTU is a measurement of a furnace’s heat output. 1500 sq feet by 25 BTU gives us a 37,500 BTU furnace.
How much does a gas furnace cost per month?The average monthly cost for operating a gas furnace for a home that uses around 150 BTU of heat during the winter, will amount to approximately $500 per month in December, January, and February. So you can expect to have around $1,800 of heating costs during the winter.
Article first time published onHow big of a furnace do I need for a 2000 sq ft house?
A mid-sized home of 2,000 square feet would need approximately 50,000 to 60,000 Btu to heat it properly. With a less efficient furnace operating at 80 percent efficiency this would require a 60,000- to 72,000-Btu furnace.
Is forced heat expensive?
For most homes, forced air is the most cost-effective way to heat the home and has the lowest installation costs. You can expect to pay a maximum cost of $2,600 for your heating furnace and a minimum of $775. For a lower cost forced air heating system, you can pay as low as $1,000.
How much does it cost to put in forced air heating?
Forced Air Heating Systems CostsZip CodeBasicBestForced Air Heating Systems – Material Prices$500.00 – $750.00$950.00 – $1025.00Forced Air Heating Systems – Installation Cost$150.25 – $275.35$390.00 – $490.00Forced Air Heating Systems – Total$650.25 – $1025.35$1340.00 – $1515.00
How do you know when to replace your furnace?
- The Age of Your System. …
- Rising Energy Bills. …
- Excessive Dust, Dirt, Soot or Rust Particles. …
- Home Humidity Problems. …
- Furnace Becomes Unusually Noisy or Develops Rattles, Buzzes or Hums. …
- Furnace Has Visible Signs of Rust or Cracks in or Around System. …
- Frequent Repairs.
What brand of furnace is the best to buy?
- #1 Heil / ICP Brands. Quality. Warranty. …
- #2 Goodman. Quality. Warranty. …
- #3 Rheem / Ruud. Quality. Warranty. …
- #4 Maytag. Quality. …
- #5 Trane / American Standard. Quality. …
- #6 Carrier / Bryant. Quality. …
- #7 Armstrong / AirEase. Quality. …
- #8 York / Johnson Controls. Quality.
Should 50 year old replace furnace?
The Safe Answer One of the parts they’ll examine every year is the heat exchanger. The heat exchanger is inside your furnace, a place you should not go. … An older furnace is more likely to have problems with carbon monoxide escaping. If your furnace has repeated problems with CO emissions, consider replacing it.
What is the average cost of a new furnace?
How Much Does a Furnace Cost? A new furnace costs $1,500 to $6,500, depending on the model you choose. The average cost of installing a mid-efficiency furnace is $1,500 to $2,500. Mid-efficiency furnaces have an annual fuel utilization efficiency (AFUE) rating of 80% to 89%.
Is it better to undersize or oversize a furnace?
An undersized furnace will work fine for the majority of the time, but every once in a while it won’t get the house quite as warm as desired. … An over-sized furnace will keep the house warm no matter how cold it gets outside, but it does so at a cost. First, it will probably make the house less comfortable.
Can a furnace be too big for a house?
Having a furnace that’s too big for your space is extremely inefficient. There are two simple signs that indicate that your furnace is most likely oversized: Your furnace runs for a short period of time before shutting off. Your home has uncomfortable hot and cold rooms.
How many square feet will a 70 000 BTU furnace heat?
Furnace CapacitySquare Footage(Hot Climate)Square Footage(Cold Climate)70,000 BTU2,320 sq ft1,270 sq ft80,000 BTU2,650 sq ft1,450 sq ft90,000 BTU3,000 sq ft1,630 sq ft100,000 BTU3,320 sq ft1,810 sq ft
How efficient is my 20 year old furnace?
20-year-old furnaces have an annual fuel utilization efficiency, or AFUE, of 78% or less, according to the U.S. Department of Energy. … A 78% AFUE furnace uses 78% of the energy it consumes to heat the air that makes it into your home, while the other whopping 22% is lost to inefficiency.
How long does it take to install a furnace?
4-8 hours. Furnace installation in a residential home usually takes 4-8 hours, depending on the complexity of the job. Additional time may need to be added to account for ductwork, electrical, or gas line modifications to properly match the new equipment.
Is furnace or AC more expensive?
Keep in mind that replacing a furnace on its own will cost around $2,000 to $5,000. Adding a furnace during your air conditioner replacement will cost a lot less, around $1,000 to $3,000. The only time it really makes sense to wait to replace your furnace is if it is less than 10 years old.
How is natural gas cost calculated?
If your price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. For example, if your cost for natural gas is $14.00 per 1,000 cubic feet, then divide by 10 and enter $1.40 as your price per therm.
How much does a Btu of natural gas cost?
FUELENERGY CONTENTCOST PER MILLION BTUKerosene135000$23.97#2 Fuel Oil139400$19.73Propane91600$34.04Natural Gas100000$14.71
How do you size a natural gas furnace?
- Calculate the square footage of your home. …
- Find out What Climate Zone Your Home Is In Climate is another factor that helps determine how many BTUs you need to heat your home. …
- Multiply your square footage by 40, the lower number recommended for the climate zone.
What is the advantage of a 2 stage furnace?
More consistent heating. A two stage furnace operates longer than a single stage furnace (and at a lower setting), which allows it to heat your home more consistently and with much smaller temperature fluctuations.
Is a Rheem furnace good?
Rheem gas furnaces are a great choice thanks to their reliability and long term warranty options. The brand also offers a great range of gas furnaces and different price points, with plenty of features to justify the higher prices in their Prestige Series.
How much does it cost to put forced-air in a house?
How Much Does it Cost to Install Central Air? When added to an existing forced-air heating system, central air for a 2,000-square-foot home costs $3,500 to $4,000 and can be done by two technicians in two to three days, often with little or no change to the ducting.
Is forced-air furnace gas or electric?
Forced air heating systems use natural gas, one of the most affordable substances as opposed to water or electricity. It’s not only affordable, but it’s also clean for the environment. New technology has also allowed for these systems to provide an even greater level of efficiency for your furnace.
Is radiant or forced-air better?
Not only is radiant heat 30 percent more efficient, it also provides a more even, continuous level of warmth. In the radiant floor vs. forced-air heating debate, radiant floor always wins because it provides a quiet, even heat and eliminates the allergy problems often associated with heating ducts.