What Does Furnace Installation Cost?

The Real Price Range for Furnace Installation

We give you the range upfront instead of making you wait for a quote. A standard, like-for-like furnace install, one that uses your existing gas, electric, and duct connections without major changes, usually costs $4,300 to $5,900. That price covers the equipment, materials, professional installation, startup, testing, and hauling away your old unit. Jobs outside that band, on the low or high end of $3,500 to $7,500, usually involve a smaller or larger system than average. Or a home where the setup isn’t standard.

We see a lot of homes in Sunnyvale and the surrounding towns with attic-mounted systems. Older slab homes sometimes have ductwork not sized for today’s higher-efficiency units. Neither of those is unusual, but both can change what a job needs.

• Size and capacity of the furnace and its efficiency rating (AFUE)
• Brand and model you choose
• How easy or hard the unit is to access (attic, closet, or crawlspace)
• Condition of your existing ductwork, wiring, or gas line
• Any code upgrades required by the inspector
• Permit requirements
• Custom sheet metal or duct fabrication, if your setup needs it

What’s not in that price: modifications to your ductwork, electrical, or plumbing. This includes any code corrections your home needs and permit fees, unless we’ve already told you those are part of your quote. We won’t fold surprise work into the number after we’ve started. If something comes up once we’re inside your system, we stop and talk it through with you before touching it-that’s part of how our furnace installation process works.

If you’re not ready for a full install yet, our diagnostic visit runs $26 to $99. That fee is credited toward the repair if you decide to move forward with us. We also offer financing on qualifying installations, so the total doesn’t have to hit all at once.

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What Drives Your Furnace Installation Price Up or Down

A standard furnace installation with us runs $3,500 to $7,500. Most like-for-like jobs, using your existing connections, land between $4,300 and $5,900. The difference comes down to specific things we look at during the quote.

The biggest factor for pricing is the equipment itself. Furnace size (tonnage) and its efficiency rating (AFUE) both change the price. The brand and model you pick also play a part. A bigger Sunnyvale or Forney home, with a two-story layout, might need a higher-capacity furnace than an older, single-story ranch in Mesquite. That changes the number, of course.

• Equipment size and efficiency (AFUE rating and tonnage) for your home
• Brand and model you select
• Ease of access, attic installs in older homes often take longer than a closet or garage unit
• Condition of your existing ductwork, wiring, and connections
• Any code upgrades your inspector requires
• Permits, and custom sheet metal or fabrication work if your setup isn’t standard

A lot of homes we work on around the DFW Metroplex, especially the 1970s and 80s slab-on-grade houses common east of Dallas, have furnaces in the attic. That’s a North Texas thing. Attic temperatures swing hard in summer. Access can be tight. And a furnace that’s been up there for twenty years sometimes has ductwork that’s undersized for a new, more efficient unit. If that’s the case, we’ll tell you before we quote the job. Not after.

Our price includes the equipment and materials, professional installation, standard connections, startup and testing, and hauling away your old furnace. It doesn’t include duct, electrical, or plumbing modifications, code corrections, or permits unless we’ve already priced those in. If your ductwork needs work or your panel can’t handle a new blower motor, that gets called out as its own line item. We don’t fold it in quietly.

You can see the full breakdown of standard jobs, what’s covered, and financing options on our main service page.

We also offer flexible financing on qualifying installations for larger jobs, on approved credit. This means the total doesn’t have to hit all at once.

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What’s Included and What’s Not in Our Furnace Installation Price

Our price covers the furnace itself, all the parts needed to hook it up, and the labor to get it running right. This includes the new unit, standard connections to your existing ductwork and gas or electric line, startup, testing, and hauling off your old furnace. You won’t be left with a dead unit sitting in the garage.

• The furnace and related equipment or materials
• Professional installation by a licensed technician
• Standard connections to your existing setup
• Startup and testing before we leave
• Haul-away of your old furnace

What’s not in the base price is anything beyond a straight swap. If your ductwork needs modifying, your electrical panel can’t handle the new unit, or your home needs a code correction, that’s priced as its own line item. Permits get added too, when the job calls for one.

• Duct modifications or repairs
• Electrical or plumbing changes
• Code corrections
• Permits, unless already stated in your quote

One limitation worth stating plainly: we can’t always know if your ductwork or wiring needs work until a technician is in your attic looking at it. On a lot of the 1950s through 1990s slab homes we work on across Sunnyvale and the rest of the Metroplex, the original ducts were sized for a smaller or less efficient furnace than what’s on the market now. If that’s the case for your home, we’ll show you the added cost in writing before anything gets touched, not after.

If you’re not sure whether you need a repair or a full furnace installation, our furnace installation service page walks through the whole process, from the diagnostic visit through the finished walkthrough.

If you’re starting from a diagnostic instead of a known installation, we charge a $26 to $99 service-call fee. That fee is credited toward the job if you move forward with us. We also offer financing on qualifying installations, for anyone who’d rather spread out a bigger job than pay it all at once.

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The Most Common Furnace Installation Job and What It Runs

Most furnace installations we handle fall between $3,500 and $7,500. The job we see the most often-a standard, like-for-like swap using your existing gas line, ductwork, and electrical connections-usually lands between $4,300 and $5,900. This is when your old furnace sits in the same spot. The new one hooks up to what’s already there. Nothing structural needs to change.

That price covers the equipment, the materials, and the professional installation itself. It also includes startup and testing before we leave. We haul away your old unit. You won’t be stuck disposing of a dead furnace on your own. You won’t pay someone else to test the new one after we go.

A few things can move the number up or down. Bigger homes need more capacity. Higher efficiency units cost more upfront, (though they run cheaper month to month). Brand and model also matter. And how easy the furnace is to get to is a factor; an attic install in a 1970s Sunnyvale ranch takes longer than a closet unit in a newer subdivision home. Older ductwork or wiring in rough shape, code upgrades your inspector flags, and any custom sheet metal work all add cost beyond the base range.

• Included: equipment and materials, professional installation, standard connections, startup and testing, and haul-away of the old furnace
• Not included: duct, electrical, or plumbing modifications beyond the standard hookup, code corrections, and permit fees unless we’ve already listed them in your quote

If your ductwork needs rework or your electrical panel can’t handle the new unit, that’s a separate line item. It’s not a surprise buried in the total. We walk you through it before anything gets ordered. The number you approve is the number you pay. You can see how this fits with our furnace installation process and options in more detail on our furnace installation page.

A diagnostic visit runs $26 to $99. That fee is credited toward the job if you move forward with us. Financing is available on qualifying installations too, especially for jobs that land on the higher end of that range or come with extra work attached.

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Financing Options for Furnace Installation

A new furnace can cost between $4,300 and $5,900 for a standard installation. We get it, that’s a big chunk of money to come up with all at once. So we offer financing on qualifying installations and larger jobs. This helps you get your new furnace without draining your savings. You won’t have to wait until you’ve saved up the full amount either.

Financing isn’t available for every job. It’s for specific qualifying installations and larger projects, like a full furnace install or replacement. Small repairs or a simple part swap typically don’t qualify. We’ll tell you if your job qualifies when we provide your written quote. We will also explain what approval involves.

Here’s what that means for you: financing depends on credit approval. We can’t promise a specific rate or term before you apply. But we can promise that the flat-rate price on your written quote is the number financing gets applied to. (There’s no separate, higher price just for financing.) There’s no hidden markup for choosing to pay over time either. You see the full cost upfront.

If you’re thinking about the cost of a new furnace versus your monthly heating bills or repair costs for an aging system, financing can make the numbers work. It lets you stick to your timeline. We’d rather get your furnace installed correctly when you need it. We don’t want you delaying a job just because of the payment timing. You can read more about what makes furnace installation prices go up or down on our furnace installation page. We also explain how we build that flat-rate quote before any equipment arrives at your house.

The call-out fee is $26 to $99, depending on the visit. We credit that fee toward your job if you move forward with us. This applies whether you pay outright or finance the work. Financing is arranged as part of the quote process. It’s not a separate call or appointment. That way, it doesn’t add time to getting your furnace running.

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