Chicago's Authorized Lennox dealer Since 2010 | D's Air & Heating
D's Air & Heating is an Authorized Lennox dealer serving Chicago since 2010, providing expert Lennox installation, repair, maintenance, and replacement services throughout Chicago and the surrounding communities.
Lennox AC Installation Chicago
Merit®, Elite®, and Dave Lennox Signature® air conditioners installed by Chicago's Authorized Lennox Premier Dealer since 2010. Permits pulled, warranty registered, Manual J included.
Chicago's Trusted Source
Lennox Premier dealer in Chicago
D's Air & Heating is a proud Lennox Premier dealer — the highest dealer tier in the Lennox program. Premier dealers receive priority technical support, access to the full Lennox product catalog, and are required to meet Lennox's standards for installation quality and customer satisfaction.
Chicago Heating & Cooling Done Right.
You've Tried Da Rest. Experience the Difference with D's Air & Heating.
Serving homeowners and businesses throughout Chicago and surrounding communities.
Why Chicago Homeowners Choose Lennox Merit AC
The Lennox Merit Series ML13KC1 is Lennox's entry-level split-system air conditioner — built to the same quality standards as the Elite and Dave Lennox Signature Collections, at a price point that makes sense for budget-conscious Chicago homeowners. As a Lennox Premier dealer, D's Air & Heating, Inc. installs the full Merit lineup with factory-authorized startup and full manufacturer warranty registration.
Chicago summers demand reliable, properly sized equipment. Every Lennox Merit installation by D's Air begins with a Manual J load calculation — so your new system is sized right for your home, not just swapped in at the same tonnage as the old one. Right-sized systems run more efficiently, dehumidify better, and last longer.
We pull permits, handle city inspections, and register your Lennox warranty directly — so you're covered from day one. No contracts, no hidden fees, no surprises.
Lennox AC Models We Install
XC22 · EL18KCV · ML17KC2 · ML14XC1
*Installed prices include equipment, labor, standard refrigerant charge, and startup. Local taxes may apply. Financing available.
Best For
- Smaller Chicago homes and condos
- Budget-conscious replacement
- Reliable single-stage cooling
Sale Price
$3,900
Installed Price
$9,495
*Local taxes may apply. Financing available.
Book OnlineBest For
- Standard Chicago homes
- Budget-conscious replacement
- Reliable single-stage cooling
Sale Price
$4,050
Installed Price
$9,995
*Local taxes may apply. Financing available.
Book OnlineBest For
- Smaller Chicago homes and condos
- Step-up efficiency
- Reliable single-stage cooling
Sale Price
$4,200
Installed Price
$9,995
*Local taxes may apply. Financing available.
Book OnlineBest For
- Standard Chicago homes
- Step-up efficiency
- Reliable single-stage cooling
Sale Price
$4,500
Installed Price
$10,495
*Local taxes may apply. Financing available.
Book OnlineBest For
- Energy Star efficiency
- Chicago bungalows and ranches
- Reliable single-stage cooling
Sale Price
$5,850
Installed Price
$10,995
*Local taxes may apply. Financing available.
Book OnlineBest For
- Standard Chicago two-flats
- Energy Star efficiency
- Reliable single-stage cooling
Sale Price
$6,150
Installed Price
$11,995
*Local taxes may apply. Financing available.
Book OnlineBest For
- Larger Chicago homes
- Energy Star efficiency
- Reliable single-stage cooling
Sale Price
$6,600
Installed Price
$12,995
*Local taxes may apply. Financing available.
Book OnlineBest For
- Large Chicago homes
- Energy Star efficiency
- Reliable single-stage cooling
Sale Price
$7,950
Installed Price
$13,995
*Local taxes may apply. Financing available.
Book OnlineLennox AC Series Comparison
Compare efficiency, comfort, and features across all three Lennox tiers
| Feature | Dave Lennox SignatureXC22 | Elite SeriesEL18KCV / ML17KC2 | Merit SeriesML14XC1 |
|---|---|---|---|
SEER2 Rating | Up to 22 | Up to 18 | Up to 14.3 |
Compressor Type | Variable-Speed Inverter | Variable / Two-Stage | Single Stage |
Energy Savings | Maximum | High | Standard |
Humidity Control | Excellent | Very Good | Good |
Noise Level | Ultra-Quiet | Quiet | Standard |
iComfort Compatible | Full | Full | Basic |
ENERGY STAR | Certified | Certified | — |
Parts Warranty | 10 Years | 10 Years | 10 Years |
Installed Price | From $16,800 | From $11,500 | From $9,800 |
- Up to 22 SEER2
- Variable-Speed Inverter
- Maximum Energy Savings
- Ultra-Quiet Operation
- Full iComfort Compatible
- ENERGY STAR Certified
- Up to 18 SEER2
- Variable / Two-Stage
- High Energy Savings
- Quiet Operation
- Full iComfort Compatible
- ENERGY STAR Certified
- Up to 14.3 SEER2
- Single Stage
- Standard Efficiency
- Standard Noise Level
- Basic iComfort Compatible
- Installed: From $9,800
Why D's Air & Heating, Inc. for Lennox AC Installation
Lennox Premier dealer
Factory-authorized installation, warranty registration, and access to the full Lennox residential lineup at Premier dealer pricing.
Manual J Load Calculation
Every installation begins with a proper load calculation — no guessing on equipment size. Right-sized systems run more efficiently and last longer.
Licensed & Insured
IL License #2183457. All work is permitted, inspected, and backed by D's Air's installation guarantee.
5-Year Parts Warranty
Lennox Merit Series includes a 5-year parts warranty on registered residential equipment. D's Air registers your warranty directly with Lennox at installation.
No Contracts Required
D's Air never requires service contracts. Your Lennox manufacturer warranty is registered directly — no middleman, no hidden fees.
Same-Day Estimates
Free in-home estimates available same day or next day. We measure, calculate, and quote on the spot — no waiting weeks for a proposal.
Our Installation Process
Free In-Home Estimate
A D's Air technician visits your home, performs a Manual J load calculation, and recommends the right Lennox Merit model for your space and budget.
Permit & Scheduling
We pull the required city permit and schedule your installation at a time that works for you — typically within 3–5 business days of approval.
Professional Installation
Our licensed technicians install your Lennox Merit condenser, matched evaporator coil, and all electrical connections to manufacturer spec.
System Startup & Verification
We verify refrigerant charge, airflow, and thermostat communication before leaving. Every startup follows Lennox's factory checklist.
Warranty Registration
We register your Lennox warranty directly with the manufacturer — 5-year parts warranty on all registered Merit Series equipment.
Frequently Asked Questions
How long does a Lennox Merit AC installation take?
Most Lennox Merit AC replacements take 4–6 hours. New installations requiring ductwork modifications may take longer. We'll give you a time estimate before we start.
What is the Lennox Merit Series warranty?
The Lennox Merit ML13KC1 includes a 5-year parts warranty when registered within 60 days of installation. D's Air registers your warranty directly with Lennox at installation.
How does the Merit Series compare to the Elite Series?
The Merit ML13KC1 is a single-stage, entry-level condenser rated up to 13.4 SEER2. The Elite Series offers higher SEER2 ratings, two-stage or variable-speed compressors, and longer warranties. D's Air can help you compare options during your free estimate.
Does Lennox Merit qualify for utility rebates in Chicago?
Merit Series models are entry-level efficiency. Higher-efficiency Lennox Elite and Dave Lennox Signature models (16+ SEER2) are more likely to qualify for ComEd or Nicor rebates. Ask during your free estimate.
Is financing available for Lennox Merit AC installation?
Yes. Qualified customers can finance their Lennox Merit AC installation with $0 down. Ask about current rates when you schedule your free estimate.
Recommended Accessory
Add the Daikin One Touch Smart Thermostat
Pair your new Lennox AC with the DTST-TOU-A — full-color WiFi touch screen, mobile app, and 7-day scheduling. Only $595 add-on when installed with a new system.
Daikin — Model DTST-TOU-A
Daikin One Touch Smart Thermostat
- ✓Full-color touch screen display
- ✓Built-in WiFi — control from anywhere
- ✓Mobile app (iOS & Android)
- ✓7-day programmable scheduling
- ✓Compatible with most split-system ACs
- ✓System monitoring & diagnostics
Add-On with New System
$595
Standalone Installation
$995
Why Chicago Homeowners Trust D's Air & Heating
Licensed & Insured
IL License #2183457
Serving Chicago
Since 2009
Authorized Dealer
Multiple Brands
No Contracts
Ever — Guaranteed
Permit Pulled
Every Installation
Professional Standards
Code-Compliant Work
EPA Certified
Mainstream Engineering
R-410A Certified
Mainstream Engineering
Why Choose D's Air & Heating, Inc.?
Chicago's trusted HVAC company since 2009 — licensed, insured, and committed to honest workmanship on every job.
Experience Since 2009
D's Air & Heating has served Chicago homeowners and businesses since 2009. Over 15 years of local HVAC experience means we've seen every type of system, every Chicago building configuration, and every challenge the city's climate presents.
Manufacturer-Trained Technicians
Our technicians receive ongoing manufacturer training and certification. We install Lennox, Goodman, Amana, Daikin, Sinclair, Weil-McLain, Peerless, and other leading brands — and we know each system inside and out.
Licensed, Insured & Permitted
D's Air & Heating holds Illinois HVAC License #2183457 and carries full liability insurance. We pull City of Chicago permits on every installation — protecting you legally and ensuring the work meets code.
Honest Recommendations
We tell you what you need — not what generates the highest invoice. If your system can be repaired cost-effectively, we'll say so. If replacement makes more sense, we'll explain exactly why. No pressure, no upselling.
Local Chicago Expertise
We know Chicago's housing stock — two-flats, greystones, bungalows, vintage buildings with steam heat, modern construction with forced air. We size and install equipment for the specific demands of Chicago homes and Chicago winters.
Long-Term Customer Support
Our relationship doesn't end at installation. We register your equipment for warranty, remain available for follow-up questions, and provide ongoing maintenance to keep your system running at peak efficiency for years.
What Chicago Homeowners Should Know About AC Installation
How a Central Air Conditioner Works
A central AC system uses refrigerant to absorb heat from indoor air at the evaporator coil (inside your air handler or furnace), then releases that heat outside at the condenser coil. The refrigerant cycle repeats continuously, cooling and dehumidifying your home. Modern systems use R-454B or R-410A refrigerant and achieve 16–26 SEER2 efficiency ratings.
Understanding SEER2 Ratings
SEER2 (Seasonal Energy Efficiency Ratio 2) measures cooling output per unit of energy consumed. The federal minimum for Illinois is 14.3 SEER2. A 16 SEER2 unit uses roughly 10% less energy than a 14.3 SEER2 unit. High-efficiency variable-speed systems at 20+ SEER2 can cut cooling costs by 30–40% compared to older 10 SEER equipment.
Matched System Importance
An air conditioner condenser must be matched to the correct indoor coil (evaporator) and air handler or furnace. Mismatched components reduce efficiency, void manufacturer warranties, and can cause premature compressor failure. D's Air always installs matched, certified system combinations.
Cooling Design for Chicago Homes
Chicago's humid summers demand proper equipment sizing and refrigerant charge. An oversized AC cools quickly but short-cycles, leaving humidity high and comfort low. An undersized unit runs constantly and can't maintain setpoint on the hottest days. D's Air performs Manual J load calculations on every installation.
What to Expect From Your D's Air AC Installation
Free Estimate
We assess your home, review your existing ductwork and electrical, and provide a written quote with equipment options.
Equipment Selection
We recommend the right SEER2 level, brand, and matched system for your home, budget, and comfort goals.
Installation Day
Our crew arrives on time, installs the condenser, indoor coil, and all connections cleanly and to code.
Startup & Testing
We verify refrigerant charge, measure airflow, test the thermostat, and confirm proper cooling before we leave.
Customer Training
We walk you through your new system, thermostat settings, and filter maintenance schedule.
Warranty Support
We register your equipment for the full manufacturer warranty and remain available for follow-up service.
D's Air Installation Standards — Every AC Job
- Manual J load calculation for proper equipment sizing
- Matched condenser and indoor coil — certified system combination
- Refrigerant charge verified by weight and superheat/subcooling measurement
- Electrical disconnect, breaker, and wiring per NEC and local code
- Condensate drain properly pitched, trapped, and tested
- Airflow measurement across the coil — CFM verified
- Thermostat wiring and cooling mode test
- City of Chicago permit pulled on every installation
- Equipment registered for full manufacturer warranty
- Customer walkthrough of new system and filter location
What Our Customers Say
Based on Google Reviews — D's Air & Heating, Inc.
Marcus T.
Furnace Replacement
"D's Air & Heating did an outstanding job replacing my furnace. Darryl was professional, on time, and explained everything clearly. The installation was clean and the system works perfectly. Highly recommend."
Latoya W.
Boiler Repair
"Called D's Air when my boiler stopped working in January. They came out the same day, diagnosed the problem quickly, and had it running again within hours. Fair pricing and excellent service."
James R.
AC Installation
"Installed a new central AC system for us this summer. The crew was respectful of our home, cleaned up after themselves, and the system runs quietly and efficiently. Very satisfied."
Ready to Work With Chicago's Trusted HVAC Company?
D's Air & Heating, Inc. — Serving Chicago Since 2009. Licensed, Insured, No Contracts.
Get a Free Lennox Merit AC Estimate
Premier dealer pricing. Licensed installation. No contracts.
Don't 'FREEZE' Call D's...Get a Free Installation Estimate
To provide accurate pricing and equipment recommendations, please complete the estimate request form below. Our team will review your information and contact you with options, pricing, and next steps.
Why Choose Lennox?
D's Air & Heating is an Authorized Lennox dealer — Serving Chicago Since 2010.
Lennox products are recognized for advanced technology, quiet operation, exceptional efficiency ratings, and dependable performance in Chicago's demanding climate. Lennox systems are engineered for long-term reliability, comfort, and energy savings.
Why Choose D's Air & Heating?
D's Air & Heating is an Authorized Lennox dealer — Serving Chicago Since 2010.
Since 2010, our company has helped Chicago homeowners and businesses install and service Lennox equipment. We provide expert sizing, installation, startup, testing, maintenance, and long-term support for every Lennox product we install.
Lennox Merit AC Features
- Up to 26 SEER2 efficiency — Dave Lennox Signature® Collection
- Variable-capacity and two-stage compressor options
- Ultra-quiet operation for neighborhood comfort
- Smart thermostat compatibility
- Lennox 10-Year Parts Warranty when registered
- Lower utility costs all summer long
- Reliable Chicago summer performance
Professional Lennox Installation
Every installation includes equipment evaluation, proper system sizing, removal of existing equipment, professional installation, safety testing, airflow verification, and system commissioning to manufacturer standards. City of Chicago mechanical permits included on every installation.
Financing & Warranties
D's Air & Heating offers flexible financing options for qualified customers on all Lennox equipment installations. Ask about current Lennox rebates, manufacturer promotions, and seasonal offers available through our dealership.
- Lennox 10-Year Limited Parts Warranty — registered at installation
- Lennox 20-Year Heat Exchanger Warranty (select furnace models)
- 2-Year D's Air & Heating Workmanship Warranty
- Financing available for qualified customers — ask about current offers
- Current Lennox rebates and manufacturer promotions available
- No-contract service — no annual maintenance agreement required
Request Your Free Estimate
D's Air & Heating is an Authorized Lennox dealer — Serving Chicago Since 2010.
Contact D's Air & Heating today to schedule a free Lennox Merit AC installation estimate and discover why Chicago homeowners continue to choose Lennox for dependable comfort and efficiency.
(773) 940-0965