Is getting a furnace replacement in Fairfax more cost-effective?

Definitely! Modern furnaces are considered to be more cost-efficient as compared to older units that have an energy loss of up to 30%.

Do modern furnaces in Fairfax have a longer lifespan?

Modern furnaces have a lifespan of 15 to 25 years.

How Much Does it Cost to Replace a Furnace in Fairfax?

Typical Range: $1,562 - $1,717

The average furnace replacement cost in Fairfax is $1,562 - $1,717, but it could vary from $1,484 to $1,794. Discover the detailed price range here.

How Much Does it Cost to Replace a Furnace in Fairfax?

A furnace has a lot of benefits that many households need, especially those living in the colder regions of the country. It provides extra heat that you need during cold winter nights. However, furnaces do not last forever. While upkeeping them can contribute in extending their lifespan, there comes a point that you need to get a furnace replacement in Fairfax service. Fairfax furnace replacement is not only important in saving on costs but to ensure the safety of your family and home. There are signs that you can use as a guide to know if your furnace has to be replaced. One indicator is the age of your furnace. A furnace can last for 16 to 20 years. If your furnace is near the end of its life, you might want to consider shopping for a replacement already. Another sign that you need furnace replacement in Fairfax is when your gas and electricity consumption is increasing. This means that your furnace is losing its energy efficiency which can cause a spike in your utility bills. You might also consider replacing your furnace if its repair cost is significantly expensive. Also, as your furnace near the end of its life, fixing or replacing its parts can become difficult and costly which is not practical. Perhaps the most common sign that you need Fairfax furnace replacement is when your furnace no longer provides the necessary heat to keep your home comfortable during cold times.

What is the price for Furnace Replacement in Fairfax, CA?

Home remodeling & home services cost estimates

ITEM	QUANTITY	LOW	HIGH
Furnace Cost	1 Furnace	$928	$1,179
Furnace Labor	5.2 Hours	$341	$359
Furnace Job Materials and Supplies	1 Furnace	$191	$207
Furnace Equipment Allowance		$25	$50
Total Cost to Install Furnaces	1 Furnace	$1,485	$1,795
	Average cost per Furnace	$1,485	$1,795

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Fair price breakdown

The total cost of your furnace replacement in Fairfax is primarily based on a few factors such as the type of furnace, the brand, the location in your home, your geographical location, and the labor. Before getting a Fairfax furnace replacement installed, you might also want consider the cost of removing the old one. Purchasing price of furnaces varies depending on the brand and type of the furnace. An average 80000 BTU gas furnace with 3-ton blower that can be installed in the utility room of a 1,600 to 2,000 square foot house can cost around $600 to $1,400 depending on the brand. Its installation is approximately around $1,800 to $4,000. On the other hand, furnace replacement in Fairfax that runs on electricity can cost around $400 to $1,200 depending on the brand that you will choose. The installation cost for an electric furnace starts at $1,600 and can go as high as $2,400. An oil furnace is estimated to cost between $1,300 to $2,300 while its installation is estimated to be around $4,600 to $7,000.

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Furnace Replacement quotes from Fairfax homeowners.

Central AC

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San Francisco, CA

“Central air for 3000 sq ft house and poss additional ”

Find the Best Costs on Furnace Replacement - Fairfax, 94930

Labor cost can also have an impact on the total cost of your furnace replacement in Fairfax. It is best that to ensure your furnace will be installed properly, you should only hire licensed and authorized professionals for the job. Though their labor cost is higher, their work is guaranteed and you will have a peace of mind knowing that your furnace is well cared for. Hiring a professional can cost you around $50 to $75 per hour and an additional $50 for every crew helper. You might also consider getting in touch with your local area authorities for the necessary permits needed to install a furnace. Some cities and municipalities require a permit which usually costs around $50 to $150.

Verified Local pros & Availability

Get Free Quotes From HVAC Contractors available in Fairfax

Allied Heating & AC Co Inc

12 De Luca Pl, San Rafael, CA, 94901

93.00

Verified Pro

651 locals recently requested a quote

Matthew Owens Design & Construction

60 Pastori Avenue #27, Fairfax, CA, 94930

86.00

Verified Pro

602 locals recently requested a quote

BROWN CAT HVAC

11 SEQUOIA RD, Fairfax, CA, 94930

57.00

Verified Pro

399 locals recently requested a quote

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Frequently Asked Questions (FAQ)

You need to consider the climate in your area to determine the BTU of the furnace that you need. Warmer or hotter climates require less BTU while colder regions need furnaces with higher BTU. You also need to consider the size of your house and your insulation.

Last Updated: May 2, 2026

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