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

Author: Vidal Funk  |  Last update: Monday, August 4, 2025

The good news is that as long as the existing ductwork in your home is in tip-top condition and doesn't require a repair or replacement, the furnace installation should be completed within a day. On average, it takes about four to 10 hours to wrap up a furnace install, depending on the type and size of the unit.

How long does it take to remove and replace 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.

Can a furnace be installed in one day?

Most furnace installations can be completed in one day. If you're getting a new type of furnace or adding ventilation and ductwork, this may add a few days to the installation timeline.

How much does it cost to remove and replace a furnace?

First, know if you have a gas, electric or oil furnace. Electric furnace installation tends to be the least expensive, ranging between $3,000 and $7,000, according to HomeAdvisor. Installing a natural gas furnace falls in the range of $3,800 to $10,000, and an oil furnace ranges $6,750 to $10,0000.

Why does it take so long to install a furnace?

Installation Timeline

Furnace installation can take anywhere from four to eight hours. It really all comes down to how complex your unique job is. For example, if we have to replace the ductwork, electrical lines, or make modifications to your gas lines, those things can take longer.

This Furnace Malfunction KILLS PEOPLE! Homeowners Should watch (ROLLOUT GAS BURN FURNACE)

Why are furnace installation costs so high?

Furnace Size and Efficiency

The size and efficiency of the unit affect the installation cost. Larger furnaces with higher efficiency cost more. This includes both the upfront price and installation fees. An energy-efficient furnace can save you money on heating bills.

How many people does it take to install a furnace?

How many people does it take to install a furnace? It often takes two skilled professionals to install a furnace. This allows the work to be done efficiently because one person handles the installation of the furnace itself while the other focuses on connections, such as gas lines and electrical wiring.

Should I replace a 20 year old furnace?

Furnaces 20 years old or older become increasingly inefficient over time and can crack and leak, putting you and your family in danger. If your furnace is between 16 and 20 years old and constantly breaking down, then you should strongly consider having it replaced.

Does homeowners insurance cover a furnace?

Your base homeowners policy will cover many types of damage to your furnace. An extra endorsement known as Equipment Breakdown Coverage (EBC) will give you additional coverage for certain types of mechanical or electrical failure.

What should I expect to pay for a new furnace?

You should expect to spend between $3,800 and $12,00 on a new furnace, including both the unit and installation costs. Factors influencing the price include the type of furnace (gas, electric, or oil), the unit's efficiency rating, and the complexity of the installation.

Is it legal to install your own furnace?

In California, installing a furnace or other major HVAC component requires pulling a building permit, which is issued by the city or county. A permit ensures a project is inspected and meets safety and structural standards.

How often should a furnace be replaced?

The typical lifespan of a furnace can be anywhere from 15 to 30 years. If you've had your furnace for less than 15 years, you likely don't have to worry about replacing it any time soon. But if it's older than 15 years and you've started noticing problems, it may be on its last leg.

Can you sleep next to a furnace?

Carbon monoxide is a toxic gas that can cause death under toxic exposure conditions. Therefore, its presence in your room will mean poor indoor air quality. Sleeping in a poorly ventilated room with a working furnace can mean carbon monoxide poisoning.

How long do furnaces last?

The Average Furnace Lifespan

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 much will I save with a new furnace?

To determine how much savings you can expect with a new high efficiency furnace, simply subtract the old furnace's AFUE rating from the new. For example, if your current furnace has an efficiency rating of 70% and the new furnace has an efficiency rating of 95%, that equates to a difference of 25%.

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

The factors that affect the time frame include the size of the building, the type of installation required, the type of unit needed, and the location of the install. A general idea for the time needed is between one and three days or 24 hours of work.

How much does it cost to have your furnace checked out?

A furnace inspection costs an average of $80 to $100. Your cost may increase if more furnace repairs are needed, or based on the specifics of your HVAC system. If detrimental issues are uncovered, you'll be quoted for the repair or potential replacement of your HVAC equipment.

Is a new furnace considered a home improvement?

Qualifying home improvement expenses

They can include: A new roof. New hot-water heater. New furnace and air conditioning system.

Which two are not usually covered by homeowners insurance?

More than likely, your policy doesn't cover flooding or earthquakes. That makes sense since not all areas of the country are prone to earthquakes or flooding. If you need coverage, you'll need to purchase a policy for whichever you need. Earthquake insurance and flooding insurance are two different policies.

Why is replacing a furnace so expensive?

Installation Entails More than Just the Furnace

For a gas-powered furnace, a contractor must set up a gas connection and vent. Installing an electric furnace requires running wiring, adding a circuit breaker, or perhaps updating an electrical panel. Holes are often drilled for pipes and wires.

What is considered old for a furnace?

If your furnace is over 20 years old, it might be time to consider a replacement, especially if you're experiencing issues like poor air quality, frequent repairs, or high energy bills.

Is it better to oversize or undersize a furnace?

Even a slightly undersized furnace will accomplish the job the majority of the time. Taking things down a few sizes will more than likely solve some of your common heating problems like too high of a utility bill while half of your house is blazing and the other half is an icebox.

How long does it take to remove an old furnace and install a new one?

The good news is that as long as the existing ductwork in your home is in tip-top condition and doesn't require a repair or replacement, the furnace installation should be completed within a day. On average, it takes about four to 10 hours to wrap up a furnace install, depending on the type and size of the unit.

What is the labor cost to install a furnace?

Labor: Typical labor costs can range from $50 - $100 per hour for a licensed technician. Each additional team member will be an additional charge. Depending upon the complexity of the job, a new furnace installation can take 10-15 hours!

How many quotes should I get for a new furnace?

Most experts recommend getting three to five HVAC quotes from licensed, insured, reputable local heating and cooling companies. Getting multiple detailed HVAC quotes (but not too many) lets you compare the equipment, services, and prices of several contractors without being overwhelmed by options.

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