Lennox Commercial HVAC Installation Chicago — D's Air & Heating, Inc.
Lennox Commercial HVAC Installation in Chicago
Rooftop units, packaged systems, and unit heaters — installed by D's Air & Heating, Inc., Chicago's authorized Lennox Premier dealer since 2010.
Authorized Lennox Premier Dealer
Serving Chicago since 2010
Licensed & Insured — IL #2183457
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.
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.
Chicago's Lennox Commercial HVAC Specialist
D's Air & Heating, Inc. is an authorized Lennox Premier dealer serving commercial customers throughout Chicago and the surrounding communities. We install, replace, and service the complete Lennox commercial lineup — from rooftop packaged units for flat-roof buildings to gas-fired unit heaters for garages, warehouses, and industrial bays.
Every Lennox commercial installation includes permit pulling, equipment sizing, crane coordination when required, and full manufacturer warranty registration. No contracts. Transparent installed pricing.
Lennox Commercial Equipment We Install
Three product lines — rooftop units, packaged systems, and unit heaters.
Commercial Rooftop Units
L Series, LC Series & Landmark Series
Lennox L Series, LC Series, and Landmark commercial rooftop units — 3 to 25 tons of cooling, gas heat or electric heat options, single-zone and multi-zone configurations. Ideal for flat-roof commercial buildings, retail, offices, and light industrial.
- 3–25 Ton cooling capacity
- Gas heat or electric heat
- Single-zone & multi-zone
- Crane coordination included
- Permit pulled on every job
Packaged AC & Heat Pump Systems
LRP Series — Gas/Electric & Heat Pump
Lennox LRP Series packaged units combine the air conditioner or heat pump and air handler into one rooftop cabinet. Available in gas/electric and all-electric heat pump configurations. Up to 16 SEER2 efficiency. Ideal for smaller commercial buildings and residential applications without indoor equipment space.
- Up to 16 SEER2
- Gas/electric & heat pump options
- Single-cabinet installation
- LRP16GE, LRP14GE, LRP16HP, LRP14HP
- Permit pulled on every job
Unit Heaters
LF25 & LS25 Series
Lennox LF25 and LS25 gas-fired unit heaters deliver 30,000 to 105,000 BTU of direct heat for garages, workshops, warehouses, and commercial bays. 83% AFUE, horizontal or vertical discharge, natural gas or propane. Fast installation — typically one day.
- 30,000–105,000 BTU
- 83% AFUE efficiency
- Horizontal & vertical discharge
- Natural gas or propane
- LF25 & LS25 models available
Installed Pricing
All prices include equipment, labor, permits, and startup. *Local taxes may apply.
| Model | BTU | Sale Price | Installed Price |
|---|---|---|---|
| LF25-030A | 30,000 BTU | $4,010 | $7,005 |
| LF25-045A | 45,000 BTU | $4,330 | $7,325 |
| LF25-060A | 60,000 BTU | $4,920 | $7,915 |
| LF25-075A | 75,000 BTU | $5,265 | $8,260 |
| LF25-090A | 90,000 BTU | $5,505 | $8,500 |
| LF25-105A | 105,000 BTU | $5,740 | $8,735 |
Includes mounting, gas assembly, vent assembly, electrical connection, thermostat wiring, startup & testing. *Local taxes may apply.
View full unit heater page →| Model | Tons | SEER2 | Sale Price | Installed Price |
|---|---|---|---|---|
| LRP16GE24-072VP | 2 Ton | 15.2 | $8,558 | $15,995 |
| LRP16GE36-072VP | 3 Ton | 15.0 | $9,324 | $16,995 |
| LRP16GE36-090VP | 3 Ton | 15.0 | $10,017 | $17,495 |
| LRP16GE48-108VP | 4 Ton | 15.2 | $11,712 | $18,995 |
| LRP16GE60-126VP | 5 Ton | 15.2 | $12,806 | $20,995 |
| LRP16GX24-072VP | 2 Ton | 15.2 | $18,000 | $26,995 |
| LRP16GX36-072VP | 3 Ton | 15.0 | $18,000 | $27,995 |
| LRP16GX36-090VP | 3 Ton | 15.0 | $18,000 | $28,495 |
Financing available. *Local taxes may apply.
View full packaged units page →3–25 Ton Commercial Rooftop Units
Pricing for commercial rooftop units depends on tonnage, configuration, crane requirements, and site conditions. We provide a complete installed quote after a site assessment — no surprises.
Why D's Air & Heating, Inc.
Lennox Premier Dealer
Authorized Lennox Premier dealer since 2010 — factory-trained technicians, genuine Lennox equipment, full manufacturer warranty.
Permits Pulled on Every Job
Every commercial installation includes permit pulling and inspection coordination. No shortcuts.
Crane Coordination
We coordinate crane lifts for rooftop unit replacements — one call, one crew, one invoice.
No Contracts
No maintenance contracts required. Transparent installed pricing. Service when you need it.
Licensed & Insured
IL HVAC License #2183457. Fully insured for commercial work throughout Chicago and Cook County.
Same-Day Emergency Service
Commercial HVAC emergencies don't wait. Call (773) 940-0965 for same-day service.
Ready to Schedule Your Commercial Lennox Installation?
(773) 940-0965Frequently Asked Questions
What Lennox commercial equipment does D's Air & Heating install?
We install the full Lennox commercial lineup including L Series, LC Series, and Landmark Series rooftop units (3–25 tons), LRP Series packaged gas/electric and heat pump units, and LF25/LS25 gas-fired unit heaters. We are an authorized Lennox Premier dealer.
Do you pull permits for commercial Lennox installations?
Yes. Every commercial installation includes permit pulling and inspection coordination. We handle all paperwork with the City of Chicago and Cook County.
Do you coordinate crane lifts for rooftop unit replacements?
Yes. We coordinate crane lifts for rooftop unit replacements as part of the installation. One call, one crew, one invoice.
What is the installed price for a Lennox commercial rooftop unit?
Installed pricing depends on tonnage, configuration, and site conditions. Call (773) 940-0965 or submit a request for a free commercial estimate.
How long does a commercial Lennox rooftop unit installation take?
Most rooftop unit replacements are completed in one day. New installations requiring ductwork modifications may take longer. We provide a timeline before work begins.
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.