Lennox Premier dealer · Chicago, IL
Lennox Air Conditioners for Quiet, Efficient Cooling
High-efficiency Lennox® air conditioners deliver quiet, precise, and energy-efficient cooling for Chicago homes. Installed and serviced by D's Air & Heating, Inc.
Certified Lennox Premier dealer · IL License #2183457
Engineering Advantage
Why Lennox Air Conditioners Stand Out
Dave Lennox Signature® Collection
SL25KCV Air Conditioner
The most precise and efficient air conditioner available — up to 26 SEER2 with variable-capacity comfort control.
High-Efficiency SEER2 Ratings
Lennox AC models reach up to 22 SEER2 — among the highest available — reducing energy costs while maintaining consistent comfort.
Whisper-Quiet Operation
Variable-speed and two-stage compressors run at lower speeds more often, producing significantly less noise than single-stage units.
Precise Temperature Control
Variable-capacity operation adjusts output smoothly, maintaining steady indoor temperatures without frequent on/off cycling.
Superior Humidity Management
Multi-stage systems run longer at lower capacity, removing more moisture from the air for enhanced comfort during Chicago summers.
Built for Durability
High-quality components and rigorous engineering standards deliver long-lasting reliability throughout Chicago's demanding climate.
Lennox Premier dealer Installation
D's Air & Heating, Inc. is a certified Lennox Premier dealer — every installation includes proper sizing, airflow optimization, and system calibration.
High-Efficiency Cooling for Chicago Summers
Lennox Elite Series Air Conditioners
The Elite Series delivers Lennox's most advanced cooling technology — variable-speed and two-stage compressors for maximum efficiency, quiet operation, and precise comfort control.
Lennox Elite Series
EL22KCV Air Conditioner
Up to 22 SEER2
Lennox's flagship Elite Series central AC — variable-speed compressor, whisper-quiet operation, and premium efficiency for Chicago homeowners who demand the best.
- Up to 22 SEER2 efficiency
- Variable-speed compressor
- As low as 59 dB operation
- R-454B next-gen refrigerant
- 10-year parts warranty
- iComfort® S30 compatible
$4,890 installed
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Lennox Elite Series
EL18KCV Air Conditioner
Up to 18 SEER2
Elite Series two-stage AC with precise temperature control and improved humidity management — ideal for Chicago's hot, humid summers.
- Up to 18 SEER2 efficiency
- Two-stage compressor
- Enhanced humidity control
- R-454B next-gen refrigerant
- 10-year parts warranty
- Quiet, consistent cooling
$4,360 installed
Get Estimate →Advanced Technology
Variable-Capacity & Multi-Stage Performance
Unlike basic single-stage air conditioners that run at full blast or not at all, Lennox variable-capacity and multi-stage systems adjust output smoothly to match your home's actual cooling demand. The result is quieter operation, steadier temperatures, and better humidity control throughout Chicago's humid summers.
Dependable Value
Lennox Merit Series Air Conditioners
Proven reliability at an accessible price point — the Merit Series delivers consistent Lennox quality for Chicago homeowners seeking dependable cooling without the premium price tag.
Lennox Merit Series
ML14XC1 Air Conditioner
Up to 14.3 SEER2
Merit Series single-stage central AC — dependable, proven cooling performance at an accessible price point for Chicago homeowners.
- Up to 14.3 SEER2 efficiency
- Single-stage compressor
- Proven reliability
- R-410A refrigerant
- 5-year parts warranty
- Straightforward installation
$3,480 installed
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Merit Series
ML17KC2 Air Conditioner
Up to 17.2 SEER2
The Lennox ML17KC2 is a two-stage Merit Series central air conditioner that delivers noticeably better comfort than single-stage units — running longer at a lower capacity to maintain steadier temperatures and reduce humidity. A great mid-range choice for Chicago homeowners who want improved efficiency without the premium price tag.
- ✓Up to 17.2 SEER2 efficiency
- ✓Two-stage compressor
- ✓Improved humidity control
- ✓Quieter low-stage operation
- ✓R-410A refrigerant
- ✓5-year parts warranty
$3,990 installed
Get Estimate →Side-by-Side
Compare Lennox AC Models
Merit · Elite · Signature — find the right fit for your home and budget.
| Feature | Best ValueMerit Series 13ACXN / ML17XC2 | Most PopularMerit Series ML17KC2 / EL18KCV | Top PickSignature Series SL28XCV |
|---|---|---|---|
| SEER2 Rating | 13–17 SEER2 | 17–18 SEER2 | Up to 28 SEER2 |
| Compressor Type | Single-stage | Multi-stage | Variable-capacity |
| Best For | Budget installs | Improved comfort | Maximum efficiency |
| Quiet Operation | Standard | Quieter | Ultra-quiet |
| Humidity Control | Standard | Better | Precise |
| Key Benefit | Reliable, strong value | Quieter + humidity | Precise temp control |
| Starting Price | $3,480 installed | $4,360 installed | $5,200 installed |
Not sure which series fits your home? Call D's Air & Heating, Inc. — we'll size and recommend the right system at no charge.
Self-Diagnosis
Common AC Problems & How to Check Them
Run through these checks before calling — you may save a service visit. If the problem persists, D's Air & Heating, Inc. is one call away.
AC Not Cooling
- Check thermostat settings — set to COOL, below room temp
- Inspect air filter — replace if dirty or clogged
- Verify outdoor unit is running
- Check circuit breaker for tripped breaker
Weak Airflow
- Replace dirty or clogged air filter
- Check that all supply vents are open
- Look for blocked return air grilles
- Blower motor or duct restriction may need service
AC Running Constantly
- Check for low refrigerant (ice on lines)
- Inspect condenser coil for dirt or debris
- Verify system is properly sized for your home
- Thermostat may need calibration or replacement
AC Making Noise
- Buzzing = possible electrical issue or loose part
- Clicking = relay or capacitor may be failing
- Grinding = motor bearing failure — stop unit
- Squealing = belt or blower motor issue
AC Leaking Water
- Check condensate drain line for clogs
- Look for a frozen evaporator coil (ice on unit)
- Verify drain pan is not cracked or overflowing
- Improper installation can cause persistent leaks
Still Not Sure?
- D's Air & Heating, Inc. diagnoses all AC brands
- $95.35 flat-rate diagnostic fee
- Same-day service when available
- No contracts, no pressure — honest answers
All-In-One Systems
Lennox Packaged Units
Packaged units combine heating and cooling in a single outdoor cabinet — ideal for Chicago homes without a basement or indoor mechanical room. D's Air & Heating, Inc. installs all Lennox packaged configurations.
Lennox Merit Series
LRP14AC Packaged AC
Up to 14 SEER2
Single-package air conditioner — all components in one outdoor cabinet. Pairs with a gas furnace for year-round comfort.
- Up to 14 SEER2
- All-in-one outdoor cabinet
- Pairs with gas heat
- R-410A refrigerant
- Compact footprint
Call for installed pricing
Get a Free Estimate
Lennox Merit Series
LRP13ACK Packaged AC
Up to 13 SEER2
Entry-level packaged AC — reliable, proven cooling in a single outdoor unit at the most accessible price point.
- Up to 13 SEER2
- Single-stage cooling
- All-in-one cabinet
- R-410A refrigerant
- Low installed cost
Call for installed pricing
Get a Free Estimate
Lennox Merit Series
LRP15HPK Packaged Heat Pump
Up to 15 SEER2
All-in-one packaged heat pump — provides both heating and cooling from a single outdoor unit. No separate furnace required.
- Up to 15 SEER2
- Heating & cooling combined
- Single outdoor cabinet
- R-410A refrigerant
- No indoor unit needed
Call for installed pricing
Get a Free Estimate
Expert Workmanship
Professional AC Installation by D's Air & Heating, Inc.
Whether upgrading an older system, replacing a failing unit, or installing new equipment during a renovation, D's Air & Heating, Inc. provides professional guidance to ensure the right model is selected and properly sized. Our installation process focuses on airflow optimization, refrigerant accuracy, and system calibration to ensure peak performance from day one.
- Manual J load calculation for proper sizing
- Airflow optimization and duct assessment
- Refrigerant charge accuracy verification
- Full system startup and calibration
- Lennox manufacturer warranty registration
- Post-installation performance testing
A reliable air conditioner is essential for staying comfortable during Chicago's hot and humid summer months. At D's Air & Heating, we install, repair, and maintain high-efficiency air conditioners from Lennox and other leading brands. Chicago homes need cooling systems that deliver strong performance, quiet operation, and dependable comfort, and our AC services ensure your system is ready for peak temperatures. Whether you're upgrading to a high-efficiency unit or replacing an older system, our team provides clear pricing, fast scheduling, and professional workmanship.
Our AC installation and service process includes proper system sizing, refrigerant charging, airflow balancing, electrical testing, and thermostat integration. We evaluate ductwork, inspect safety components, and verify performance to ensure your new or existing AC operates at maximum efficiency. High-efficiency air conditioners can significantly reduce energy costs with advanced compressors, variable-speed motors, and improved SEER2 ratings. Chicago's climate demands a cooling system that can handle long stretches of heat, and our installations follow manufacturer-approved procedures for long-term reliability. For urgent cooling issues, our AC repair team is available same-day.
We also specialize in AC performance restoration, including deep coil cleaning, blower cleaning, drain line flushing, and full system diagnostics. If you're considering a complete system upgrade, see our AC installation page or explore heat pumps for year-round efficiency. With professional service from D's Air & Heating, your air conditioner will deliver stronger cooling, quieter operation, and improved efficiency throughout Chicago's summer season. Contact us for a free estimate today.
Schedule Your AC Estimate
Ready for Quiet, Efficient Lennox Cooling?
D's Air & Heating, Inc. installs, replaces, and services all Lennox AC models across Chicago. No contracts. Honest pricing. Expert workmanship.
Lennox Premier dealer
Certified installation & warranty support
IL License #2183457
Licensed, insured, and bonded
4.6-Star Rated
Verified Chicago homeowner reviews
No Maintenance Contracts
Any brand, any install — no strings attached
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.
HVAC Education — What Chicago Homeowners Should Know
How Your HVAC System Works Together
A complete HVAC system includes a heating source (furnace or boiler), a cooling source (air conditioner or heat pump), air distribution (ductwork or hydronic piping), and controls (thermostat). Each component must be properly sized and matched to work efficiently. D's Air installs and services all components as a complete system.
Chicago's Climate Demands
Chicago experiences some of the most extreme temperature swings in the country — from -20°F wind chills in winter to 100°F heat indexes in summer. Your HVAC equipment must be sized and installed to handle both extremes reliably. D's Air has served Chicago since 2009 and understands what local homes require.
The Importance of Annual Maintenance
Annual tune-ups extend equipment life, maintain efficiency, and catch problems before they become failures. A well-maintained furnace lasts 20+ years. A neglected one may fail at 12–15 years. D's Air offers annual maintenance plans for both heating and cooling equipment.
Energy Efficiency and Savings
Upgrading from a 10 SEER AC to a 16 SEER unit cuts cooling costs by roughly 37%. Upgrading from an 80% AFUE furnace to a 96% AFUE unit cuts heating costs by about 17%. Over 10–15 years, these savings typically exceed the cost difference between standard and high-efficiency equipment.
What to Expect From D's Air & Heating
Contact
Call or book online. We respond promptly and schedule at your convenience.
Assessment
We evaluate your system, your home, and your needs before making any recommendation.
Written Estimate
You receive a clear, written estimate before any work begins. No surprises.
Professional Work
Our technicians are trained, licensed, and take pride in clean, code-compliant installations.
Testing
We test every system thoroughly before we leave and explain what was done.
Follow-Up
We remain available for questions, warranty support, and future service.
D's Air Professional Standards
- Licensed and insured — IL License #2183457
- Serving Chicago since 2009
- Proper load calculations on every installation
- City of Chicago permits pulled on every installation
- Equipment registered for full manufacturer warranty
- No contracts required — ever
- Transparent pricing — written estimates before any work
- Clean jobsite — we protect your home and clean up completely
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."
Sandra M.
Lennox Installation
"D's Air has been our go-to HVAC company for years. They installed our Lennox furnace and have maintained it ever since. Honest, reliable, and they never try to upsell you on things you don't need."
Kevin B.
HVAC Installation
"Professional from start to finish. They pulled the permit, did the installation correctly, and registered the equipment for warranty. That attention to detail is why I keep calling D's Air."
Denise H.
Furnace Repair
"Great experience overall. The technician was knowledgeable and took the time to walk me through the new system. Pricing was transparent with no hidden fees. Would definitely use again."
Ready to Work With Chicago's Trusted HVAC Company?
D's Air & Heating, Inc. — Serving Chicago Since 2009. Licensed, Insured, No Contracts.