D's Air & Heating, Inc.
Crown Commercial Cascade Systems

Crown Commercial Cascade Boiler Systems in Chicago

5.0/5

Crown Commercial Cascade Boiler Systems combine multiple high-efficiency condensing boilers into one integrated heating plant for redundancy, scalability, and maximum energy savings.

Don't "FREEZE" — Call D's! · Technical Visit — $95.35

Cascade System Configurations

All installed prices include equipment, labor, controls, piping, permits, startup, and commissioning.

Two Boiler Cascade

Equipment Sale Price

$28,995

Complete Installed Price

$45,000 – $70,000

Three Boiler Cascade

Equipment Sale Price

$42,995

Complete Installed Price

$65,000 – $95,000

Four Boiler Cascade

Equipment Sale Price

$56,995

Complete Installed Price

$85,000 – $125,000

Optional Add-Ons

Cascade System Add-Ons

Enhance your Cascade system with these optional upgrades. Add-on pricing is per system and is in addition to the base Cascade configuration price.

Secondary LWCO

Optional Add-On

Add-On Price

$895

Secondary Low Water Cut-Off provides an additional layer of protection against low-water conditions. Required on many commercial steam and hot water boiler installations per code. Automatically shuts down the boiler if water level drops below the safe operating threshold.

  • Redundant low-water protection
  • Code-required on many commercial installs
  • Compatible with all Cascade configurations
  • Automatic safety shutdown
Add to My Cascade Quote

Manual Reset Pressure Control

Optional Add-On

Add-On Price

$495

Manual Reset Pressure Control provides a lockout safety device that requires manual intervention to reset after an over-pressure event. Prevents automatic restart after a pressure fault, ensuring a technician inspects the system before returning it to service.

  • Manual reset required after pressure fault
  • Prevents automatic restart after over-pressure
  • Requires technician inspection before reset
  • Compatible with all Cascade configurations
Add to My Cascade Quote

Lead/Lag Control

Optional Add-On

Add-On Price

$2,995

Advanced Lead/Lag sequencing control automatically rotates which boiler leads the system, equalizing run hours across all units for even wear and extended equipment life. Optimizes fuel consumption by staging boilers to match building load demand in real time.

  • Automatic boiler rotation for even wear
  • Real-time load matching and staging
  • Reduces fuel consumption
  • Extends equipment life across all units
  • Compatible with 2, 3, and 4 boiler configurations
Add to My Cascade Quote

BACnet Integration

Optional Add-On

Add-On Price

$2,495

BACnet/IP Building Automation System integration connects the Cascade boiler plant to your building's BAS for centralized monitoring, remote setpoint adjustment, alarm notification, and energy reporting. Enables full integration with Siemens, Johnson Controls, Honeywell, and other major BAS platforms.

  • BACnet/IP protocol
  • Centralized BAS monitoring and control
  • Remote setpoint adjustment
  • Alarm and fault notification
  • Compatible with Siemens, Johnson Controls, Honeywell, and others
  • Energy reporting and trending
Add to My Cascade Quote

Add-on pricing is per system. Contact D's Air & Heating for a complete Cascade system quote including all selected options.

About Crown Cascade Boiler Systems

Crown Commercial Cascade Boiler Systems combine multiple high-efficiency condensing boilers into one integrated heating plant. Cascade systems provide redundancy, higher turndown ratios, increased reliability, and reduced operating costs for large commercial buildings. By sequencing multiple boilers together, the system can automatically match output to building demand while minimizing fuel consumption. Cascade systems are commonly used in high-rise buildings, schools, churches, multifamily housing, hotels, industrial facilities, and large commercial properties. D's Air & Heating designs and installs complete commercial boiler plants utilizing advanced controls, lead-lag sequencing, expansion tanks, pumps, low water cutoffs, pressure controls, heat exchangers, and building automation integration. These systems offer outstanding performance for building owners looking to maximize efficiency while maintaining heating reliability during peak winter conditions.

Applications

High-Rise BuildingsSchoolsChurchesMultifamily HousingHotelsIndustrial FacilitiesLarge Commercial PropertiesCampus Systems

System Components & Options

Lead-Lag Sequencing Controls
Expansion Tank Packages
Pump Packages
Low Water Cutoffs (Primary & Secondary)
Manual Reset Pressure Controls
Heat Exchanger Packages
BACnet / Building Automation Integration
Outdoor Reset Controls
Chemical Feed Systems
Condensate Neutralizers
Indirect Water Heaters

Warranty

Manufacturer Warranty — Available Per Model

D's Air & Heating Workmanship Warranty — 2 Years

Startup IncludedCombustion Analysis IncludedSystem Commissioning Included

A $95.35 Service Call Fee is Required for All Service Appointments, Including Warranty Claims.

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.

Design a Commercial Cascade Boiler System

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

Request Boiler Sizing · Request Engineering Review · Schedule Site Visit · Apply For Financing

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.

📅 Book Online📞 Don't Freeze — Call D's!🚨 Need Help ASAP?Same-Day HVAC Service Available