Best Furnace Replacement Companies in Lees Summit, MO: 8.
Why Furnace Replacement matters for Lees Summit, Missouri homes
Colder winters and older heating systems make timely furnace replacement important for Lees Summit, Missouri homeowners. Homeowners searching for the best furnace replacement companies in Lees Summit, MO prioritize licensed contractor credentials, clear warranties, and fast winter response. Local reviews and response times matter when cold snaps arrive.
Which Lees Summit, Missouri providers stand out for reviews and emergency response?
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | OOne Hour Heating & Air Conditioning | 89 | 4.9 (2,320+) | 21+ | ★ Highest Vouched ScoreLabor Warranty |
Editorial: StraightForward® flat-rate pricing is highlighted on their Ogden pages. One Hour Ogden advertises same-day emergency response. One Hour Ogden notes 0% financing for repairs and installations. Technicians are described as background-checked and drug-tested. Ogden's cold winters make reliable heating responsiveness important here. Strengths:
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| 2 | LLees Summit Heating and Cooling Inc | 84 | 4.8 (1,890+) | 35+ | |
Editorial: Lees Summit Heating and Cooling advertises furnace replacement and installation expertise. The company lists 35+ years serving Lee's Summit homeowners. Their website notes financing options for higher-cost changeouts. Lees Summit Heating and Cooling states same-day emergency response is available. Local winters in Lee's Summit make reliable furnace commissioning important for safe operation. Strengths:
Reviewers praise:
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| 3 | HHometown Heroes Heating, Cooling, & Plumbing | 81 | 4.9 (1,650+) | 5+ | |
Editorial: Hometown Heroes lists full central AC system replacement as a core capability. The company notes installations using American Standard equipment. Hometown Heroes has operated locally for 5+ years. The team reports average installation turnaround within 24 hours for many jobs in summer outages. Strengths:
Reviewers praise:
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| 4 | CCorum Plumbing Heating & Cooling | 81 | 4.9 (910+) | ||
Editorial: Corum Plumbing advertises same-day emergency HVAC response for urgent cooling or heating failures. Corum Plumbing lists 20+ years serving the Kansas City metro. Corum notes 0% financing with 18-month terms (approved credit). Lees Summit's hot, humid summers make prompt AC repair especially important here. Local reviewers report same-day estimates and quick arrival on emergency calls. Strengths:
Reviewers praise:
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| 5 | FFirst Mate Heating & Cooling | 81 | 4.9 (1,060+) | 55+ | Honest Replace-vs-RepairFurnace + AC Changeout |
Editorial: Furnace replacement specialist with focused full-system changeout experience. First Mate lists NATE-certified technicians on staff. First Mate ties decades of service to Kansas City's cold winters and older homes. First Mate advertises same-day and 24/7 emergency response for no-heat situations. First Mate notes free estimates and financing options on the website. Strengths:
Reviewers praise:
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| 6 | SSummit Heating, Cooling & Plumbing | 81 | 4.9 (2,245+) | Commercial Furnace ReplacementNATE-Certified Installer | |
Editorial: Summit Heating, Cooling & Plumbing lists same-day furnace replacement and emergency changeouts. Summit Heating, Cooling & Plumbing employs NATE-certified technicians. Summit Heating, Cooling & Plumbing says financing is available through Synchrony Finance. Summit Heating, Cooling & Plumbing notes technicians are background checked and drug tested. Summit Heating, Cooling & Plumbing cites Evergy FastTrack HVAC PAYS rebates for the Kansas City area. Strengths:
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| 7 | HHoffman Heating and Cooling | 74 | 5.0 (260+) | Combustion-Safe InstallationGas Furnace Replacement | |
Editorial: Hoffman Heating and Cooling lists furnace replacement and gas-furnace changeouts on its service pages. Strengths:
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| 8 | AAFC Heating and Cooling | 73 | 4.8 (295+) | 70+ | |
Editorial: AFC Heating and Cooling lists full central AC system replacement as a specialization. AFC lists Lennox and Mitsubishi among carried brands and rebate partners. AFC traces roots to 1956, serving 70+ years in the Kansas City metro. AFC notes emergency service with same-day availability and weekend coverage. Local reviewers praise timely installs and transparent pricing for Lees Summit homes. Strengths:
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Typical Furnace Replacement costs in Lees Summit, MO (2026)
Last updated
Estimated ranges for Lees Summit, MO. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Full gas furnace replacement (80% AFUE, installed) | $2,900–$6,300 |
| High-efficiency condensing furnace (95%+ AFUE, installed) | $4,400–$9,250 |
| Modulating / two-stage variable-speed (ECM) furnace upcharge | $585–$1,950 |
| Condensing-furnace venting + condensate conversion (80%->95% AFUE) | $585–$1,750 |
| Gas line / electrical / permit modification (changeout) | $145–$875 |
| Electric furnace / air-handler replacement (installed) | $1,950–$4,850 |
Nearby Missouri furnace replacement pricing: Blue Springs · Cape Girardeau · Chesterfield
See broader context: Furnace Replacement pricing in Missouri · Furnace Replacement pricing nationwide
How were these Lees Summit furnace replacement contractors evaluated?
This guide evaluated 8 Lees Summit furnace replacement providers on review data, emergency response, certifications, and advertised warranties or pricing signals per Google Maps and provider websites. Primary signals were Google review counts and sentiment, stated emergency response windows, NATE or combustion-safety claims, and provider-listed warranties or financing options.
- Google review metrics informed ranking. One Hour shows 4.9/5.0 with 2,320+ reviews, per Google Maps data.
- Emergency response was a key filter. All eight providers report 24/7 or same-day emergency service, per provider listings.
- Certifications influenced evaluation. First Mate and Summit list NATE certification, per their provider data.
- Advertised guarantees and warranties were recorded. One Hour lists a 2-year labor warranty, per the provider signal.
- Experience and review volume guided reliability scores. AFC reports 70+ years in business, and Lees Summit Heating lists 35+ years.
Readers should weigh certifications, verified review volume, and stated emergency response when comparing providers.
How do I choose a furnace replacement company in Lees Summit?
- Verify licenses and complaints per BBB records and state registries.
- Compare written warranty and labor terms from each provider.
- Confirm emergency response windows and any after-hours fees.
- Request free estimates and equipment lists for exact system comparisons.
- Check Google reviews and recent sentiment for installation quality trends.
5 furnace issues Lees Summit homeowners report when cold snaps hit
Lees Summit homeowners most often face heat loss and premature equipment failure during cold snaps because prolonged low temperatures and freeze-thaw stress older furnaces and distribution systems. These events expose worn components, clogged combustion paths, and duct leaks that were dormant during milder weather.
- Short cycling. Cold snaps force frequent on/off cycles in undersized or failing furnaces, increasing wear. Short cycling often follows rapid temperature drops in Lees Summit winters.
- Ignition or pilot failures. Prolonged cold and moisture intrusion during freezes can foul ignition components and pilots, preventing reliable starts on the first cold night.
- Cracked heat exchanger risk. Continuous heavy use during cold snaps can reveal hairline cracks in older exchangers, a problem more likely in Lees Summit homes with long winter runs.
- Condensation and corrosion. Rapid temperature swings and humid spells around freezes drive condensation inside flues and burners, accelerating corrosion on burners and venting parts.
- Duct leaks and frozen registers. Freeze-thaw shifting in crawlspaces and attics can open duct joints, reducing output. Blocked or frozen registers worsen uneven heating during Lees Summit cold spells.
What Lees Summit’s local rules and winter needs mean for a furnace swap
Long, cold winters in Lees Summit increase furnace runtime and stress older equipment, driving earlier replacements. Local permit rules and the 2018 IECC influence installation scope and ventilation upgrades. Homeowners should prefer contractors with proper-install tooling and emergency service to handle winter failures quickly.
Lees Summit winters cause higher annual run-times for furnaces, which increases wear on heat exchangers.
That wear raises the risk of cracks and combustion issues during prolonged cold spells.
Look for evaluated providers who list proper-install tooling and furnace-type experience to reduce installation errors.
Missouri has no statewide HVAC license; licensing is handled by local jurisdictions in and around Lees Summit.
Local permitting and the 2018 IECC base code can require documented installs and duct-sealing for replacements.
Choose contractors who advertise NATE certification, documented permit handling, and 24/7 emergency service availability.
How long will a Furnace Replacement take in Lees Summit and what affects timing?
- How do I get a quote from these furnace replacement companies?
- Submit one request on this page and we send it to the vetted furnace replacement pros in Lees Summit, MO listed here. They send quotes back — no obligation.
- How much does furnace replacement service cost in Lees Summit, MO?
- Full gas furnace replacement typically runs $2,900–$6,300, and high-efficiency condensing furnace runs $4,400–$9,250 in Lees Summit, Missouri. See the Furnace Replacement pricing table on this page for the full per-service breakdown.
- Do Lees Summit installers need a city-issued permit for a furnace replacement?
- The direct answer is: often yes — many jurisdictions that serve Lees Summit require a permit for furnace replacement. Missouri administers HVAC licensing and permits locally rather than at the state level, and the 2018 IECC is the statewide base energy code. Homeowners should ask contractors which permits they will pull and expect documented inspection sign-off when required.
- How long does a high-efficiency furnace replacement usually take in Lees Summit?
- Most high-efficiency furnace swaps take one to two working days for a typical single-family home. Complexities such as oversized condensing flue routing, required duct sealing, or added combustion-air work can add time. Schedule flexibility and permit turnaround at the local building office also affect total calendar time.
- Will replacing a gas furnace in Lees Summit take longer if the home needs gas-line upgrades?
- Yes. If a gas-line upsizing or reconfiguration is required, the project duration increases because a licensed plumber or gas fitter must complete the piping and a pressure test. That work may also require separate permits and an inspection, which can extend the overall schedule by a day or more depending on inspection availability.
- Is same-day furnace replacement possible in Lees Summit during a cold snap?
- Some providers advertise same-day furnace replacement availability, but feasibility depends on parts inventory and crew scheduling. Same-day service is more likely for direct like-for-like swaps when the correct unit and matching flue and electrical connections are on hand. Ask a contractor about same-day parts availability before scheduling.
- How does adding an AC replacement affect the furnace swap timeline in Lees Summit?
- Combining furnace and AC replacement typically adds one to two days compared with a furnace-only swap. Coordinating refrigerant lines, matched equipment sizing, and additional electrical or condenser pad work increases job scope. Plan for a longer on-site window and confirm whether the contractor stages both units on the same visit.
- How long do commercial furnace replacements near Lees Summit take compared with residential jobs?
- Commercial furnace replacements generally take longer than residential work because of larger equipment, rooftop rigging, and coordination with building managers. Jobs often require permits, mechanical lifts, and multi-trade crews, so downtime planning and phased installation are common. Request a projected timeline and staging plan before award.
- Does replacing an oil-fired furnace in the Lees Summit area add time for oil tank or line handling?
- Yes. Oil systems can add time for safe fuel-line disconnection, tank inspection, and any required remediation. Disposal or decommissioning of an existing oil tank may need additional permits or environmental steps. Confirm that the chosen contractor documents fuel-system work and adheres to local disposal rules.
- What common job-site issues add unexpected days to a Lees Summit furnace replacement?
- Direct answer: unforeseen duct damage, mismatched flue connectors, and required electrical upgrades commonly delay jobs. Older homes may reveal asbestos-wrapped ducts or rotten framing that needs repair. Permit delays and backordered parts are other frequent causes. Ask for a contingency plan and a written timeline with possible delay scenarios.