D's Air & Heating, Inc.
Crown / Velocity Commercial Boiler Specialists

Crown Commercial Boiler Installation in Chicago

5.0/5

D's Air & Heating installs Crown and Velocity commercial boilers for apartment buildings, churches, schools, office buildings, and mixed-use properties throughout Chicago. Professional sizing, installation, startup, and long-term service support.

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Commercial Boiler DesignCommercial Boiler ReplacementCommercial Boiler InstallationCommercial Boiler ServiceCommercial Boiler ControlsBoiler Room Modernization

Why D's Air & Heating, Inc. for Commercial Boilers

D's Air & Heating, Inc. is Chicago's commercial boiler specialist for Crown and Velocity Boiler Works equipment. Our team provides complete commercial boiler services including system design, equipment selection, professional installation, startup, combustion analysis, controls integration, and long-term maintenance support. Crown commercial boilers are engineered for demanding applications where reliability, efficiency, and longevity are critical. Whether you are replacing an aging cast-iron boiler plant, upgrading to condensing technology, or designing a new heating system for a multi-family building, D's Air & Heating delivers professional results backed by our workmanship warranty. We serve apartment buildings, churches, schools, office buildings, retail facilities, municipal properties, and mixed-use developments throughout Chicago and the surrounding suburbs.

Crown Boiler Installation & Service Experts

D's Air & Heating proudly provides professional Crown boiler installation, replacement, repair, maintenance, and emergency service throughout Chicago and surrounding communities. Crown Boiler has built a reputation for manufacturing high-quality residential and commercial boiler systems that deliver dependable performance, energy efficiency, and long-term reliability.

Our experienced boiler technicians install and service a wide range of Crown Boiler products, including steam boilers, hot water boilers, cast iron boilers, and high-efficiency heating systems. Whether you need a new Crown boiler installation Chicago homeowners and businesses rely on, complete boiler replacement, annual boiler maintenance, or emergency repair service, D's Air & Heating has the expertise to keep your heating system operating safely and efficiently.

We work with homeowners, property managers, condominium associations, churches, schools, and commercial building owners to design and install Crown boiler systems that meet the specific heating requirements of each property. Every installation is completed according to manufacturer specifications, industry standards, and local code requirements to ensure reliable operation and maximum system performance.

From residential heating applications to large commercial boiler projects, D's Air & Heating delivers expert workmanship, dependable customer support, and the full backing of Crown Boiler's manufacturer warranty. Our Crown boiler repair Chicago customers trust us for fast diagnostics, genuine parts, and lasting fixes.

Contact D's Air & Heating today at (773) 940-0965 to schedule your free estimate for Crown boiler installation, replacement, maintenance, or repair services.

Request a Commercial Boiler Quote

D's Air & Heating, Inc. — Chicago's trusted commercial boiler contractor since 2009. No contracts. Upfront pricing. IL License #2183457.

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Chicago Heating & Cooling Done Right.  ·  Don't ‘FREEZE’ Call D's...

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.

Commercial HVAC in Chicago — What Building Owners Should Know

Commercial vs. Residential HVAC

Commercial HVAC systems are designed for larger spaces, higher occupancy loads, and continuous operation. Rooftop packaged units (RTUs) are the most common commercial heating and cooling solution in Chicago — they combine heating, cooling, and ventilation in a single cabinet mounted on the roof. Commercial systems require more complex controls, larger electrical service, and more rigorous maintenance than residential equipment.

Rooftop Unit Selection and Sizing

Commercial RTUs are sized in tons of cooling capacity, from 3 tons for small retail spaces to 50+ tons for large commercial buildings. Proper sizing requires calculating cooling load (heat gain through walls, roof, windows, occupancy, and equipment) and heating load. Oversized RTUs short-cycle, causing temperature swings and premature compressor wear. D's Air performs commercial load calculations on every project.

Permits and Code Compliance

Commercial HVAC work in Chicago requires mechanical permits from the City of Chicago Department of Buildings. Work must comply with the Chicago Building Code, ASHRAE 90.1 energy standards, and ASHRAE 62.1 ventilation requirements. D's Air handles all permit applications and inspections for commercial projects.

Preventive Maintenance Contracts

Commercial HVAC equipment operates year-round under heavy loads. Preventive maintenance — quarterly or semi-annual inspections, filter changes, coil cleaning, belt and bearing checks, refrigerant verification — extends equipment life and prevents costly emergency failures. D's Air offers commercial maintenance contracts tailored to your building's equipment and schedule.

What to Expect From D's Air Commercial HVAC Services

1

Site Assessment

We visit your building, assess existing equipment and infrastructure, and identify project requirements.

2

Engineering

We perform load calculations, equipment selection, and permit drawings for your project.

3

Permitting

We handle all City of Chicago permit applications and coordinate inspections.

4

Installation

Our commercial crew installs equipment to code, including crane lifts for rooftop units.

5

Commissioning

We test all equipment, verify airflow and refrigerant charge, and document system performance.

6

Ongoing Support

We offer preventive maintenance contracts and priority emergency service for commercial clients.

D's Air Commercial HVAC Standards

  • Commercial load calculation — cooling and heating
  • Equipment selection per ASHRAE 90.1 energy standards
  • Ventilation design per ASHRAE 62.1
  • City of Chicago mechanical permit on every project
  • Crane lift coordination for rooftop equipment
  • Curb adapter fabrication for non-standard roof openings
  • BAS/BMS integration where required
  • Commissioning documentation provided
  • Preventive maintenance contracts available

What Our Customers Say

4.6 / 5.0

Based on Google Reviews — D's Air & Heating, Inc.

M

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."

Verified Google Review
L

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."

Verified Google Review
J

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."

Verified Google Review

Ready to Work With Chicago's Trusted HVAC Company?

D's Air & Heating, Inc. — Serving Chicago Since 2009. Licensed, Insured, No Contracts.

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