D's Air & Heating, Inc.

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.

Lennox Premier Dealer badge — D's Air & Heating, Inc.Certified Lennox Premier Dealer · IL License #2183457
Lennox air conditioning units displayed outdoors — installed by D's Air & Heating, Inc. Chicago

Engineering Advantage

Why Lennox Air Conditioners Stand Out

Lennox Elite Series HVAC system — furnace, air conditioner, and thermostat by D's Air & Heating, Inc.

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.

Top PickLennox EL22KCV Elite Series central air conditioner condenser unit — top-of-line variable-speed cooling

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

Starting at $3,890 installed

Get Estimate →
High EfficiencyLennox EL18KCV Elite Series central air conditioner condenser — high-efficiency two-stage cooling

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

Starting at $3,360 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.

Single-StageFull on / full off — less efficient, louder
Two-StageHigh and low settings — improved comfort
Variable-SpeedInfinite adjustment — maximum efficiency & quiet
Lennox air conditioning units with D's Air & Heating, Inc. technician — Chicago HVAC installation

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.

Best ValueLennox ML14XC1 Merit Series central air conditioner condenser — reliable single-stage cooling

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

Starting at $2,480 installed

Get Estimate →
Lennox Merit Series air handler HVAC unit — installed by D's Air & Heating, Inc. Chicago

Side-by-Side

Compare Lennox AC Models

Merit · Elite · Signature — find the right fit for your home and budget.

FeatureBest ValueMerit Series
13ACXN / ML17XC2
Most PopularElite Series
EL18XCV / EL17XC1
Top PickSignature Series
SL28XCV
SEER2 Rating13–17 SEER217–18 SEER2Up to 28 SEER2
Compressor TypeSingle-stageMulti-stageVariable-capacity
Best ForBudget installsImproved comfortMaximum efficiency
Quiet OperationStandardQuieterUltra-quiet
Humidity ControlStandardBetterPrecise
Key BenefitReliable, strong valueQuieter + humidityPrecise temp control
Starting Price$2,480 installed$3,360 installed$3,890 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
Schedule AC Repair

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
Book a Diagnostic

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
Schedule AC Tune-Up

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
Call for Service

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
Schedule AC Repair

Still Not Sure?

  • D's Air & Heating, Inc. diagnoses all AC brands
  • $95.36 flat-rate diagnostic fee
  • Same-day service when available
  • No contracts, no pressure — honest answers
Book a Diagnostic

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.

Cooling OnlyLennox LRP14AC packaged air conditioner — all-in-one outdoor cooling unit

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

Call for Pricing
Value TierLennox LRP13ACK packaged air conditioner — entry-level all-in-one outdoor unit

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

Call for Pricing
Heat + CoolLennox LRP15HPK packaged heat pump — all-in-one heating and cooling outdoor unit

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

Call for Pricing
D's Air & Heating, Inc. technicians installing Lennox air conditioner condenser unit in Chicago

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

About Lennox Air Conditioners

Lennox® Air Conditioners — Precision Cooling for Chicago Homes

Lennox® air conditioners are engineered for exacting precision, delivering some of the quietest and most energy-efficient cooling performance available today. For Chicago homeowners who demand reliable comfort during hot summers, these systems provide exceptional temperature control, long-lasting durability, and advanced efficiency that helps reduce monthly energy costs. Every Lennox air conditioner is built with high-quality components designed to maintain consistent cooling even during extreme heat.

With high-efficiency models reaching impressive SEER2 ratings, Lennox air conditioners help homeowners stay comfortable while using less energy. Many units feature variable-capacity or multi-stage operation, allowing the system to adjust output smoothly and maintain steady indoor temperatures without frequent cycling. This results in quieter performance, improved humidity control, and enhanced overall comfort throughout the home.

Lennox® air conditioners are available in a range of configurations to fit different home sizes, cooling needs, and budget levels. 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.

For homeowners seeking dependable cooling backed by strong engineering and efficient operation, Lennox air conditioners offer a powerful solution. D's Air & Heating, Inc. installs, replaces, and services all Lennox AC models, delivering expert workmanship and reliable support throughout the life of the system. Schedule your air conditioner estimate today and experience the precision, quiet performance, and efficiency of a Lennox cooling system installed by D's Air & Heating, Inc.

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

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