D's Air & Heating, Inc.
HVAC installation technician new system
Don't "FREEZE" Call D's...

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.

5.0 · 300+ installation reviews
Lennox HVAC system lineup

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 Return Drop

$350

Improves airflow and overall system efficiency.

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

Apply for Financing

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.

Ready for a New System?

Get a free estimate — same-day and next-day appointments available across Chicago.

5.0 · Trusted by Chicago homeowners since 2009
📅 Book Online📞 Don't Freeze — Call D's!