How much does it cost to replace a gas furnace?

A gas furnace replacement costs $3,300 to $6,900 for a high-efficiency heating system.

Furnace replacement cost.
TypeAverage cost to replace
Gas furnace$2,000 – $5,200
Electric furnace$1,900 – $5,600
Oil furnace$2,500 – $6,000
Propane furnace$2,200 – $5,700

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.

Is furnace worth replacing?

Replacing your furnace probably won’t increase your home’s value, but it can still be vital towards your success in selling your home. An out-of-date heating system that has reached the end of its life expectancy will likely need to be replaced during the inspection process.

How much is a new furnace for a 3000 sq ft house?

Furnace for a 3,000 Square Foot House

home is $1,200 to $5,600. These prices assume you are using an electric unit in zone 2 or another type in zone 4. If your home is in another climate, this may change your unit’s size and price. Most homes of this size need furnaces roughly 150,000 BTUs in size.

Should I replace my 25 year old furnace?

Age of your Furnace

If your furnace is pushing 25 years or more, it’s probably nearing the end of it’s effective lifespan. … You might choose to replace a 15 year old furnace, or it could last more than 30 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.

Will a new furnace save me money?

Your New Furnace Will Save on More Than Just Gas Costs

If you’re thinking about buying a new furnace, there is more than just gas savings to consider. A new furnace will also save on electric costs by using a more efficient fan motor that will run less since you will heat more efficiently.

How long does a furnace usually last?


A well-maintained furnace can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.

How big of a furnace do I need for a 1500 sq ft house?

37,500 BTU
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 efficient is a 40 year old furnace?

How efficient is the average 35-40 year old furnace? 80% at best. Likely lower if it is indeed close to 40 yes old. A lot of savings to be had with a new furnace 95% with a ecm blower motor.

How long does it take to put in a new 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.

How old should a furnace be before it is replaced?

Average Furnace Lifespan

Although some furnaces can last more than 40 years (extremely rare), the average life of a furnace is around 15 to 30 years. As long as you have scheduled annual furnace maintenance, it should easily last over 15 years.

Can a gas furnace last 50 years?

While some furnaces can last over 40 years (extremely rare), the average lifespan of a typical gas furnace is around 15-30 years. As long as you have scheduled yearly furnace maintenance, your furnace should easily last over 15 years.

Should I replace my 35 year old furnace?

Even though furnaces can last 30 years or beyond, most experts recommend that you start shopping for a new furnace when your existing unit is 15 years old. … Any repairs made beyond the 15-year mark may cost you more than what you could potentially save with a new furnace.

Should I replace a 20 year old furnace?

But for less expensive repairs, you should be less resistant to replacing the furnace the older it is. So if the furnace is 20 years old, and the cost to repair the furnace is only 10% of the cost of a new furnace, you should probably replace it (because it’s more likely to break down again soon).

Should I replace furnace before it dies?

Ideally, you don’t want to wait until your furnace dies completely to replace it. This could easily happen in the middle of winter, leaving you without any way to heat your home. Instead, keep a close eye on your furnace’s operation, both in terms of efficiency and cost.

What causes a furnace to go out?

If your furnace keeps shutting off, it could be due to low airflow. There are several indirect issues that cause low airflow. Dirty Air Filters. If you don’t change your air filters often enough, the filters will become dirty and clogged, which means the heat exchanger retains heat and eventually causes it to overheat.

How long does it take to remove and install a furnace?

The average time it will take is usually somewhere between 4 to 10 hours depending on the type and size of the furnace that you are installing. Larger, more complex units usually take a bit longer than smaller, basic units. Most modern combustion furnaces will last between 15 and 20 years.

What size furnace do I need?

Chart For Furnace Tonnages And BTUs For 500 – 3,000 Sq Ft Houses
House Size (Sq Ft):Furnace Size (in BTUs):Furnace Size (in Tons):
2800 sq ft home126,000 BTU furnace10.5 tons furnace
2900 sq ft home130,500 BTU furnace10.9 tons furnace
3000 sq ft home135,000 BTU furnace11.3 tons furnace

Can you install your own furnace?

Yes, you can. However, there are a number of issues to explore before you make the decision to buy and install a new furnace yourself. With the exception of a few cities and counties with strict installation rules, homeowners around the country are free to purchase and install their own furnace.

How many people install furnace?

To install a furnace, it is always advised to get at least two well-trained furnace installation technicians.

How much does a forced air furnace cost?

The average cost for furnace replacement or installation ranges from $2,500 to $7,150 which would include the cost of furnace system, materials, and labor and installation costs.

Average cost: $2,500 – $8,596.
Furnace TypeFurnace Replacement Cost
Gas Furnace$2,200 – $8,596
Oil Furnace$4,276 – $6,829

How much does a 60000 BTU furnace cost?

Natural Gas Heating System Prices by BTU
Furnace Size (BTU)Typical Furnace Cost with Installation*
50,000$2,300 – $3,800
60,000$2,500 – $4,200
75,000$2,700 – $4,600
80,000$3,000 – $4,900

Does a furnace have to be level?

CAUTION: Furnace must be installed level. Failure to properly level furnace may result in heat exchanger damage. Sufficient air must be provided to ensure there will not be a negative pressure in furnace room or space.