Lennox Authorized Dealer — Chicago
Lennox Repair, Tune-Up & Installation
D's Air is a Lennox dealer serving Chicago since 2009. We repair every Lennox furnace, AC, and air handler — Merit, Elite, and Dave Lennox Signature® — with flat-rate pricing and no contracts.
IL License #2183457 · $95.36 diagnostic fee · No contracts
Authorized Lennox Dealer
Serving Chicago since 2009 · IL License #2183457
What We Do
Full-Service Lennox HVAC
From a $95.36 diagnostic to a full system replacement — we handle every Lennox service call in Chicago.
Lennox Furnace Repair
No heat? Furnace cycling off? We diagnose and repair all Lennox furnace models — Merit, Elite, and Dave Lennox Signature® — same day when available.
- Igniter & flame sensor replacement
- Gas valve & pressure switch repair
- Blower motor & control board replacement
- Heat exchanger inspection & repair
- All Lennox furnace models serviced
Lennox AC Repair
AC not cooling? Refrigerant low? We service all Lennox central air conditioners and heat pumps — from the Merit ML14XC1 to the Signature XC21.
- Refrigerant leak detection & recharge
- Capacitor & contactor replacement
- Condenser fan motor repair
- TXV / expansion valve replacement
- All Lennox AC & heat pump models
Lennox Tune-Up & Maintenance
Annual maintenance keeps your Lennox system running at peak efficiency and protects your warranty. We offer furnace, AC, and full-system tune-ups.
- 18-point furnace tune-up — $95.36
- AC tune-up — $133
- Full system (furnace + AC) — $149
- Filter replacement & coil cleaning
- Combustion analysis & safety check
Lennox Installation
Upgrading to a new Lennox system? We install Merit, Elite, and Dave Lennox Signature® furnaces and ACs with permit-ready work and financing available.
- Merit Series — reliable everyday performance
- Elite Series — high-efficiency two-stage systems
- Dave Lennox Signature® — top-of-line modulating
- Free estimates — no pressure, no contracts
- Financing available — payments from $89/mo
Lennox IAQ & Smart Thermostat
Upgrade your indoor air quality with Lennox PureAir™ filtration and take control with the S40 Smart Thermostat — we install and service both.
- PureAir™ whole-home air purification
- Healthy Climate® ventilation systems
- S40 Smart Thermostat installation
- iComfort® system integration
- Humidifier & dehumidifier service
Lennox Equipment We Service
Every Lennox Product Line
From the Merit Series to the Dave Lennox Signature® Collection — we install, repair, and maintain them all.
Lennox
Merit Series
Reliable everyday performance — 80–95% AFUE
Lennox
Elite Series Furnace
High-efficiency two-stage systems — up to 97% AFUE
Lennox
Dave Lennox Signature®
Top-of-line modulating — up to 99% AFUE
Lennox
ML296VK Furnace
Merit Series 96% AFUE two-stage gas furnace
Lennox
EL18KCV Condenser
Elite Series 18 SEER high-efficiency AC
Lennox
EL18KSLV AC
18 SEER variable-speed cooling
Lennox
Floor Mini Split
Ductless floor-console heat pump system
Lennox
S40 Smart Thermostat
Wi-Fi iComfort® smart home control
Lennox
PureAir™ System
Whole-home air purification
Lennox
Indoor Air Quality
Filtration, humidity & ventilation
Lennox
ML13KC1 AC
Value-tier central air conditioner
Lennox
Water Heaters
High-efficiency Lennox water heating systems
Limited Time
Lennox Fall Rebates Available
Ask about current savings on qualifying Lennox systems.
Call to ClaimFlat-Rate Pricing
Lennox Furnace Pricing
Flat-rate pricing on Lennox furnace installs, tune-ups, diagnostics, and repairs. No contracts. No surprises.
| Service | Price |
|---|---|
ML180E 70K Install Lennox ML180E – Gas Furnace, 70,000 BTU, high-efficiency 80% AFUE single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $6,500 |
ML180E 110K Install Lennox ML180E – Gas Furnace, 110,000 BTU, high-efficiency 80% AFUE single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $6,900 |
ML193 70K Install Lennox ML193 – Gas Furnace, 70,000 BTU, high-efficiency 93% AFUE single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $7,200 |
ML195 110K Install Lennox ML195 – Gas Furnace, 110,000 BTU, high-efficiency 95% AFUE single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $7,600 |
| Service | Price |
|---|---|
Furnace Diagnostic Full diagnostic, combustion test, safeties | $95.36 |
Annual Furnace Tune-Up Clean burners, inspect HX, test safeties | $95.36 |
Igniter Replacement Replace igniter, test ignition sequence | $289 |
Gas Valve Replacement Replace gas valve, adjust manifold pressure, leak test | $525 |
Blower Motor Replacement Replace blower motor, test airflow | $485 |
Pressure Switch Replacement Replace pressure switch, test draft | $245 |
Control Board Replacement Replace control board, test staging | $395 |
Prices are flat-rate estimates. Final cost may vary based on site conditions, permits, and materials. Call for a free on-site quote.
Financing AvailableFlat-Rate Pricing
Lennox AC Pricing
Flat-rate Lennox AC install, tune-up, and repair pricing. Call for a free on-site quote.
| Service | Price |
|---|---|
ML14XC1 2-Ton Install Lennox ML14XC1 – Central Air Conditioner, 2 Ton, high-efficiency 14 SEER single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $5,800 |
ML14XC1 3-Ton Install Lennox ML14XC1 – Central Air Conditioner, 3 Ton, high-efficiency 14 SEER single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $6,200 |
EL16XC1 3-Ton Install Lennox EL16XC1 – Central Air Conditioner, 3 Ton, high-efficiency 16 SEER single-stage. Includes full installation, startup, and Lennox manufacturer warranty. | $6,900 |
EL17XC1 3-Ton Install Lennox EL17XC1 – AC Condenser, 3 Ton, high-efficiency single-stage cooling. Includes full installation, startup, and Lennox manufacturer warranty. | $7,100 |
EL18KSLV 3-Ton Install Lennox EL18KSLV – Central Air Conditioner, 3 Ton, high-efficiency 18 SEER variable-speed. Includes full installation, startup, and Lennox manufacturer warranty. | $8,400 |
XC21 3-Ton Install Lennox XC21 – Central Air Conditioner, 3 Ton, high-efficiency 21 SEER variable-speed Dave Lennox Signature®. Includes full installation, startup, and Lennox manufacturer warranty. | $10,200 |
| Service | Price |
|---|---|
AC Diagnostic Full AC diagnostic, refrigerant check, electrical test | $95.36 |
Annual AC Tune-Up Clean coils, check refrigerant, test capacitors & contactors | $133 |
Capacitor Replacement Replace run or start capacitor, test operation | $245 |
Contactor Replacement Replace contactor, test voltage and amperage | $245 |
Condenser Fan Motor Replacement Replace condenser fan motor, test airflow | $485 |
TXV / Expansion Valve Replace Replace TXV or expansion valve, recharge refrigerant | $525 |
AC repair prices are flat-rate estimates. Refrigerant recharge billed separately based on quantity needed. Call for a free on-site quote.
(773) 940-0965The Lennox Difference
Why Lennox?
Lennox has manufactured HVAC equipment in the U.S. since 1895 — one of the most trusted names in the industry.
Their Dave Lennox Signature® Collection leads the industry in efficiency, with furnaces reaching up to 99% AFUE and ACs up to 28 SEER.
The S40 Smart Thermostat integrates seamlessly with Lennox iComfort systems for precise, Wi-Fi-enabled comfort control.
PureAir™ whole-home air purification removes up to 99.9% of airborne particles — ideal for Chicago allergy seasons.
D's Air — Lennox Authorized Dealer
Chicago, IL · Since 2009
Common Questions
Lennox Service FAQ
Need Lennox Service in Chicago?
Call or book online — $95.36 diagnostic, flat-rate repairs, no contracts. Same-day service available.
IL License #2183457 · Serving Chicago & suburbs since 2009 · No contracts required