Furnace Replacement in Lenexa, KS
Gas furnaces from $4,000 installed, full AC and furnace systems from $9,000, put in by our own licensed crew and never subbed out. Free in-home quote anywhere in Johnson County, flat written number before anything is ordered, 0% financing up to 18 months.
What Replacement Looks Like Here
Lenexa is a mix and our install work here reflects it. The newer homes around City Center and City Hall are usually clean changeouts. The established neighborhoods further east are more often at the end of an original system.
With the light-industrial and commercial space along I-435 and K-10, we get called for both residential replacements and light commercial work, so an odd building or an unusual load is not new to us.
We would rather fix your furnace than sell you one you do not need, which is why our repair prices sit on the site next to our install prices. See the flat-rate repair menu → or read the full repair-or-replace breakdown →
New System Pricing
Starting points for a standard install in Lenexa, KS. Every install is quoted free, in person, after we see the space and size the system to your home. In Lenexa the number depends on whether it is a City Center home on newer duct or an older place further east where the ductwork is part of the conversation.
| System | Installed, starting at |
|---|---|
| Gas furnace | $4,000 high-efficiency $5,500 |
| Full AC and furnace system | $9,000 high-efficiency $10,500 |
| Air conditioner | $5,800 high-efficiency $6,500 |
| Heat pump | $9,500 high-efficiency $10,500 |
| Air handler | $3,300 for all-electric and heat-pump homes |
| Mitsubishi mini-split, single zone | $4,000 for additions, garages, rooms the ductwork never reached |
How It Goes
Free in-home quote
We come out, measure the space, and size the system to your home rather than off a truck. You get a flat, written number before anything is ordered.
We handle the old system
Out with the old unit, in with the new. We protect your floors, and the old equipment leaves with us.
Matched and started up right
Furnace, condenser and coil set up as one system, charged correctly, and tested before we leave.
Photos and paperwork
Before-and-after photos, your warranty certificate for the exact model, and the financing details, all in one place.
Oxbox, Backed by Trane
Oxbox is a Trane brand, built by the same engineering team and held to Trane's approval standards, without the premium badge markup. The warranty is automatic, with no registration window to miss.
Paying For It
- 0% financing up to 18 months, so a new system does not have to wait for a perfect month
- Optional Comfort Shield parts and labor coverage, $499 to $1,299, transferable once to a new homeowner
- Free in-home quotes, no pressure and no commission games
- Installed by our own licensed crew, never subcontractors
"They showed me exactly what was wrong and explained multiple options. Instead of putting a band aid on my issue they completely replaced and corrected it. They were polite, cleaned everything up, and did a great job. I highly recommend them!"
We Install Around Lenexa Too
Thinking about replacing it before winter?
Book a free in-home quote in Lenexa, KS, call and talk to a human, or request a callback.
Frequently Asked
How much does a new furnace cost in Lenexa, KS?
Gas furnace installs start at $4,000 and high-efficiency models at $5,500. A full AC and furnace system together starts at $9,000, or $10,500 high-efficiency, and heat pumps start at $9,500. Those are starting points for a standard install. The exact number for your Lenexa home comes after a free in-home visit where we measure the space and size the system, and you get it in writing before anything is ordered.
Do you install air conditioners in Lenexa, KS too?
Yes. AC installs start at $5,800, or $6,500 high-efficiency, and a full AC and furnace system together starts at $9,000. Doing both at once is usually cheaper than two separate visits a few years apart, and it means the furnace, condenser and coil are matched and started up as one system. We also install heat pumps, air handlers and Mitsubishi mini-splits across Johnson County.
Should I repair my furnace or replace it?
Run the arithmetic first. Our repair prices are published, so look up what your repair actually costs: a flame sensor is $125 to clean or $175 to replace, an igniter is $250, a draft inducer motor starts at $600, a blower motor at $775, a gas valve at $800. If it is a small part on a furnace that has otherwise been reliable, fix it. When the repair climbs toward four figures on a unit that has already needed work, that money is better spent on a system with a warranty behind it. We quote both and leave the decision with you.
Do you offer financing?
Yes, 0% financing up to 18 months, so a new system does not have to wait for a perfect month. We go through the options during the free in-home quote, along with the optional Comfort Shield parts and labor coverage at $499 to $1,299.
Who actually does the install?
Our own licensed crew, every time. Duct Daddy is a licensed mechanical contractor and we never sub out installs. One crew handles the ductwork, the equipment and the startup, so there is one company to call afterward. We protect your floors, haul the old unit away, and leave you with photos, the warranty certificate for your exact model, and your paperwork in one place.