Can you replace the furnace only?

Author: Mike Vandervort  |  Last update: Thursday, December 4, 2025

Replacing furnaces without replacing air conditioners is possible, but it is not the most efficient choice. Remember that a professional HVAC contractor, like John Owens Services, can help you through the process of deciding what the best route to take is with your HVAC system.

Can I replace just my furnace?

We recommend when you decide to replace one piece of your heating and cooling equipment, you should replace the other piece as well. This is because of a variety of reasons like system compatibility, better price range, warranty issues, and other reasons as well. Our expert explains why replacing both the furnace and t.

How much does it cost to replace just a furnace?

A new furnace costs $4,799 on average, but the final total for parts and labor will depend on type of furnace, size of your home, and other factors, like efficiency and brand. Rates may range from $150 to $13,100.

Is it legal to replace your own furnace?

Some DIY Work Can Be Illegal

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.

Should I replace my 20 year old furnace?

Older furnaces need annual check ups. Main thing is the heat exchanger getting a crack, which could lead to fire or carbon monoxide poisioning. 20 years is a good time to start considering a new one but not essential, if the tech that comes to clean the burners sees an issue they will point it out to you.

Not All Furnace Burners Lighting - Easy Repair

What time of year is cheapest to replace furnace?

For people taking a proactive approach, doing a furnace replacement during the “shoulder seasons” of spring and autumn may offer lower prices, shorter lead times, and a better selection of products and service appointment availability.

What is the most expensive part to fix on a furnace?

A heat exchanger replacement is often one of the most costly repairs in a furnace, and the expense can sometimes rival that of installing a new furnace. Typical replacement costs vary widely but can easily reach several thousand dollars, especially if labor costs are factored in.

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.

How much is a furnace for a 1500 square foot house?

Understanding Total Costs

Gas Furnace: $3,000 – $6,000. Electric Furnace: $2,500 – $5,000. Oil Furnace: $4,000 – $8,000.

Can you write off a furnace?

The expenditures can be for a newly built or existing home but only apply to residential properties, not commercial. If you added an energy-efficient water heater, furnace, boiler, or central air conditioner to your home in 2023, you can claim a deduction in 2024 valued at $1,200.

How much should I expect to spend on a new 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.

What is the most reliable gas furnace brand?

The 5 Best Furnace Brands
  • Carrier Furnace: Best Warranty.
  • Lennox Furnace: Best Company Reputation.
  • Bryant Furnace: Best for Durability.
  • Trane Furnace: Most Years of Experience.
  • Amana Furnace: Best for Efficiency.

How long does it take a professional to 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.

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.

Can a furnace be replaced in a day?

Yes! Usually a furnace can be installed in one day. However, we just need to make sure that the existing ductwork in your home is in good shape (doesn't require a repair or a replacement). Another factor is the size of the unit that we're installing.

Will AC work if furnace is broken?

However, the furnace and AC are two distinct appliances that run independently. Because of this, it's unlikely that your furnace and air conditioner will break down at the same time. Therefore, replacing the malfunctioning appliance and keeping the other one if it is still working well may make sense.

What time of year is the cheapest to replace HVAC?

Better pricing: Since there's less demand for HVAC system replacement in spring and fall, your HVAC contractor might even offer their own savings incentives.

How many years does a furnace last?

What is the average life of a residential furnace? A furnace that receives regular maintenance can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend the life of a furnace even longer.

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!

Can I replace my own furnace?

Replacing a furnace is a labour-intensive undertaking and is pretty difficult. There are a large variety of factors that need to be considered and accounted for. It is never recommended to replace a furnace yourself as the appliance is a major investment and should be handled by professionals.

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.

How to pay for a new furnace?

Now that you have a general idea of your potential furnace installation cost, let's explore your options for financing a new electric or natural gas furnace installation.
  1. Personal Savings. ...
  2. Home Equity Loan or Line of Credit. ...
  3. Manufacturer or Retailer Financing. ...
  4. Government Rebates and Incentives. ...
  5. HVAC Company Rebates.

What is a common failure for a furnace?

One of the most common furnace problems is a malfunctioning thermostat. A sure sign your thermostat isn't working properly is if your fan is constantly running. This will cause your thermostat battery to run, and cause your furnace to work inefficiently.

How much does it cost to have someone fix your furnace?

The furnace repair costs in the Southern California area vary according to the repair needed. It can range anywhere from $100 to $200 to as high as $2,000-$3,000. We know that's a wide range of furnace repair pricing.

Should I replace my 17 year old furnace?

The average life expectancy of furnaces in homes today is between 16 and 20 years. If your furnace is close to this age or older, you should begin shopping. Shopping for a replacement furnace in an emergency does not allow time for you to make your best decision.

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