Furnace Repair in Lenexa, KS
A furnace that quits on a single-digit Lenexa night is a tonight problem, and across a city that runs from historic Old Town to new west-side subdivisions, a fast and accurate diagnosis is what matters. 7th Degree Heating and Air handles no-heat calls throughout Lenexa with instruments, fixes the real fault quickly, and always runs the check a heating repair can’t skip: carbon monoxide. We reach eastern Lenexa fast from our Leawood base and cover the western growth areas too.
What Fails in Lenexa Furnaces
The common culprits are consistent, and their symptoms overlap enough that guessing wastes money. The number-one no-heat cause is a dirty flame sensor — the furnace lights, then shuts right back off. Close behind: a failed hot surface igniter, a clogged pressure switch or condensate trap, a tripped limit switch from restricted airflow, and a worn blower motor. Older Old Town homes more often have aging furnaces where the heat exchanger and CO check matter most; the newer west-Lenexa builds tend toward high-efficiency condensing furnaces with their own condensate-trap and venting quirks. We confirm with combustion analysis, manifold gas pressure, and an air-free CO reading.
Common Lenexa Furnace Problems We Fix
- Furnace won’t ignite — usually a dirty flame sensor or failed igniter.
- Blowing cold air — a flame sensor dropping out, a gas issue, or a control fault.
- Short-cycling — overheating from restricted airflow or a failing limit switch.
- Condensing-furnace lockouts — clogged condensate trap or pressure switch on newer west-Lenexa units.
- Aging furnace concerns — heat exchanger and CO checked closely on older Old Town units.
Frequently Asked Questions
- How fast can you reach my Lenexa home for no heat?
- Eastern Lenexa is close to our Leawood base, and we cover the western subdivisions as well. A no-heat call in a cold snap gets same-day, around-the-clock priority across the city rather than a wait for a truck coming from the far side of the metro.
- Why won’t my Lenexa furnace ignite?
- Most often a dirty flame sensor or a failed igniter. The flame sensor tells the control board the burner lit; when it’s coated, the board shuts off the gas for safety, so the furnace lights briefly and quits. A cracked igniter never lights the burner. Both are common and inexpensive to fix.
- My newer high-efficiency furnace keeps shutting off — why?
- On condensing furnaces — common in newer west-Lenexa homes — a frequent cause is a clogged condensate trap or drain, or a pressure switch reacting to a venting or drainage problem. The furnace locks out for safety. We clear and test the drainage and venting and verify the switches rather than just resetting it.
- Do you check carbon monoxide during a repair?
- Always. Every furnace repair includes a combustion check and an air-free carbon monoxide measurement, plus a look at the heat exchanger and venting — especially important on the older furnaces in Old Town. A heating repair that ignores combustion safety isn’t a complete repair.
- Do you offer emergency furnace repair in Lenexa?
- Yes. Our line at (913) 354-6552 is staffed 24/7, including holidays. A no-heat call during a Lenexa cold snap gets same-day priority across the city, from Old Town to the western subdivisions.
Contact 7th Degree Heating and Air
Serving Lenexa and all of eastern Johnson County, including Leawood, Overland Park, Prairie Village, Mission, and Merriam, with 24/7 emergency service.
- Emergency Line (24/7): (913) 354-6552
- Address: 12720 Catalina St, Leawood, KS 66209
- Email: info@7thdegreeheatingandair.xyz
- Johnson County Class “DM” Mechanical License: DM-24-11873
- EPA Section 608 Universal: EPA-608-U-457921
Office Hours
- Emergency Service: 24 hours a day, 7 days a week
- Office Staff: Monday – Saturday, 9:00 AM – 5:00 PM
- Sunday: By appointment
- Closed: Holidays (emergency line always active)