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.
Professional HVAC Installation in Chicago
Furnaces, AC systems, full system replacements, heat pumps, and mini-splits — installed right the first time by D's Air. No contracts. No surprises.
Lennox systems are built for high efficiency, long-lasting performance, and reliable comfort — making them one of the most trusted HVAC brands for Chicago homes. At D's Air & Heating, we provide professional installation for the full Lennox Systems Overview lineup, including furnaces, air conditioners, heat pumps, air handlers, mini-splits, boilers, IAQ systems and thermostats, and water heaters. Chicago's climate demands equipment that can handle extreme temperature swings, heavy humidity, and long heating seasons. Lennox products deliver advanced technology, quiet operation, and strong performance that keeps your home comfortable year-round.
Our technicians follow manufacturer-approved installation procedures, ensuring every Lennox system is set up for maximum efficiency and reliability. We perform full diagnostics, airflow balancing, refrigerant charging, safety checks, and thermostat integration to guarantee your new Lennox system operates at peak performance. Whether you're upgrading to a high-efficiency model or replacing older equipment, we offer clear pricing, fast service, and professional workmanship — all with no contracts required. Lennox systems also help lower utility bills with improved SEER2, AFUE, and HSPF2 ratings, smart thermostat compatibility, and energy-saving features.
We specialize in complete Lennox comfort system installations, including matched furnace-AC pairs, dual-fuel heat pump setups, multi-zone mini-splits, hydronic boiler systems, and whole-home IAQ solutions. Proper installation ensures better airflow, quieter operation, longer equipment life, and improved comfort throughout your home — critical for Chicago's demanding weather conditions. With proper installation and routine maintenance from D's Air & Heating, your Lennox system will deliver reliable comfort for years to come. Contact us for a free estimate today.
HVAC Installation Pricing
Transparent price ranges for every system type. Free estimates always included.
Furnace Installation
$4,500 – $7,500
Depends on efficiency, size, and venting
- New furnace
- New gas shutoff valve
- New flue pipe
- New electrical whip
- New filter rack
- Thermostat calibration
- Full startup & safety check
Air Conditioner Installation
$5,000 – $8,500
Depends on SEER rating, coil type, and line set
- New condenser
- New evaporator coil
- New disconnect box
- New whip
- Proper refrigerant charge
- Full startup & testing
Full System Installation
$9,500 – $15,500
Furnace + AC — depends on efficiency, coil type, and ductwork condition
- New furnace
- New AC condenser
- New evaporator coil
- New thermostat
- New filter rack
- New electrical whip
- New disconnect
- Full startup & testing
Heat Pump Installation
$7,500 – $12,500
Depends on tonnage and efficiency
- Heat pump
- Air handler (if needed)
- New line set
- New thermostat
- Full startup & testing
Mini-Split Installation
Single-Zone: $3,500 – $6,500 · Multi-Zone: $7,500 – $14,000
Ductless comfort for any room or addition
- Indoor head(s)
- Outdoor condenser
- Line set
- Electrical disconnect
- Refrigerant charge
- System startup
Installation Add-Ons
Upgrade your new system with these popular enhancements.
Lennox HCWP3-18 Power Humidifier
$895 installed
Whole-home power humidifier — 18 gal/day, up to 4,200 sq ft. Fights Chicago's dry winter air. Protects wood floors, furniture, and respiratory health. Includes water line, drain, and humidistat.
Lennox HCWHAP1 Air Purifier
$1,395 installed
In-duct whole-home air purifier — MERV 16, removes 99.9% of particles ≥0.3µm. Captures dust, pollen, mold spores, pet dander, and smoke. Up to 2,000 sq ft. Annual filter replacement recommended.
Lennox UVC Germicidal Light
$695 installed
Dual-lamp in-duct UVC germicidal light — kills bacteria, viruses, and mold on the evaporator coil surface. Wired to furnace control board (24V). Door interlock safety. Annual lamp replacement recommended.
Lennox HRV5-150-TPD Ventilator
$1,795 installed
Heat Recovery Ventilator — 150 CFM, SRE 75%. Brings in fresh outdoor air without losing heat. Recommended for Chicago's heating-dominant climate. ASHRAE 62.2 compliant. Automatic defrost for sub-zero winters.
Lennox ERV5-150-TPD Ventilator
$1,895 installed
Energy Recovery Ventilator — 150 CFM, ERE 70%. Transfers both heat and moisture — ideal for tight, high-occupancy, or newly air-sealed Chicago homes. ASHRAE 62.2 compliant. Choose ERV over HRV if your home is humid in summer.
Healthy Climate® Core IAQ Bundle
$2,700 installed
Humidifier + Air Purifier + UVC Light — all three installed together. Save $285 vs individual pricing. Covers humidity, filtration, and germicidal treatment. Add HRV or ERV ventilation for the full four-layer system.
Lennox UVC Germicidal Light (Single-Lamp)
$495 installed
Single-lamp in-duct UVC germicidal light — entry-level germicidal protection for the evaporator coil surface. 24V wired to furnace control board.
Healthy Climate® Full IAQ Bundle + HRV
$4,300 installed
Core Bundle (Humidifier + Air Purifier + UVC) + HRV5-150-TPD ventilation. Complete four-layer IAQ system. Best for Chicago heating-dominant climate. Save vs individual pricing.
Healthy Climate® Full IAQ Bundle + ERV
$4,400 installed
Core Bundle (Humidifier + Air Purifier + UVC) + ERV5-150-TPD ventilation. Complete four-layer IAQ system with moisture-balancing ERV. Best for tight or new construction Chicago homes.
Thermostat Upgrade
$199 – $399
Smart thermostat installation — control your system from anywhere.
New Filter Rack
$199
Better filtration and easier maintenance for your new system.
Financing Available — $0 Down Options
Get the system you need today. Flexible payment plans with approved credit.
Furnace Install
$89 – $129/mo
AC Install
$99 – $139/mo
Full System
$149 – $229/mo
Heat Pump
$129 – $189/mo
Mini-Split
$79 – $149/mo
Financing subject to credit approval. Monthly estimates only — actual terms set by lender.
Our Installation Process
Every D's Air installation includes a full site assessment, proper equipment sizing, code-compliant venting and electrical, and a complete startup and safety check. We pull permits when required and document every install for your records.
Free Estimate
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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.
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Get a free estimate — same-day and next-day appointments available across Chicago.
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 HVAC Installation Services 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 HVAC Installation Services installation estimate and discover why Chicago homeowners continue to choose Lennox for dependable comfort and efficiency.
(773) 940-0965