D's Air & Heating, Inc.

Authorized Peerless Dealer Installation Chicago | D's Air & Heating, Inc.

Peerless commercial cast-iron steam boiler Chicago installation
Commercial Boiler Specialists

Peerless Commercial Boilers — Chicago Installation

Cast-iron steam and high-efficiency condensing boilers for commercial and institutional buildings. D's Air & Heating, Inc. installs and replaces Peerless SC, 64, 211A, and PUREFIRE series boilers throughout Chicago.

Peerless Series SC commercial cast-iron steam boiler
Commercial Steam — Series SC

Peerless Series SC — Commercial Cast-Iron Steam Boiler

The Peerless Series SC is a heavy-duty cast-iron sectional commercial steam boiler designed for Chicago apartment buildings, schools, churches, and large commercial properties.

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The Peerless Series SC is a heavy-duty cast-iron sectional commercial steam boiler engineered for the demanding heating loads of Chicago apartment buildings, schools, churches, and large commercial properties. Built with time-tested cast-iron construction, the SC Series delivers reliable, long-lasting steam heat with minimal maintenance requirements. Each section is individually replaceable, making field repairs straightforward and cost-effective.

Applications

  • Chicago 2-flat, 3-flat, and 6-flat apartment buildings
  • Multi-unit residential buildings with existing steam distribution
  • Churches and houses of worship with steam radiator systems
  • Schools and institutional buildings
  • Commercial properties with steam heating infrastructure
  • Large residential buildings undergoing boiler replacement

Benefits

  • Cast-iron sectional construction — 30+ year service life
  • Individual section replacement — no full boiler swap required
  • Proven reliability in Chicago climate extremes
  • Compatible with existing steam piping and radiators
  • Complete installed package — boiler, controls, piping, commissioning
  • D's Air & Heating handles all permits and inspections

Series SC Specifications

Boiler TypeCast-Iron Sectional Steam Boiler
Fuel TypeNatural Gas / LP Gas
Efficiency~82% AFUE (Atmospheric)
Venting RequirementsCategory I — Atmospheric Vent
Commercial ApplicationCommercial / Large Residential
Input BTU RangeSC-05: 630,000 — SC-10: 1,260,000 BTU/hr
Output CapacitySC-05: 516,600 — SC-10: 1,033,200 BTU/hr
RefrigerantN/A — Steam Heating

SC-05

Starting at $37,500 Installed

SC-06

Starting at $40,500 Installed

SC-07

Starting at $43,500 Installed

SC-08

Starting at $46,500 Installed

SC-09

Starting at $50,000 Installed

SC-10

Starting at $53,500 Installed

Boiler + Controls Package

  • Peerless SC-05 commercial cast-iron steam boiler

Near-Boiler Steam Piping

Scope of Work

Book SC-05 Installation

The Peerless Series SC commercial steam boiler has been a cornerstone of Chicago building heating for decades. When a large apartment building or commercial property needs a reliable, cost-effective steam boiler replacement, the SC Series is one of the most trusted options available. D's Air & Heating, Inc. has installed and replaced numerous SC Series boilers throughout Chicago's North Side, West Side, and South Side neighborhoods.

One of the key advantages of the Peerless SC Series is its cast-iron sectional design. Unlike welded steel boilers, cast-iron sectional boilers can be disassembled and reassembled in tight boiler rooms — a critical feature in Chicago's older building stock where access is often limited.

Steam heating systems remain common throughout Chicago's older residential and commercial building stock. The Peerless SC Series is specifically designed to integrate with existing steam distribution systems, making it the preferred replacement choice for buildings with established steam infrastructure.

Peerless Commercial Steam Boiler Comparison

Compare Peerless commercial boiler series side by side to find the right fit for your building.

ModelBoiler TypeEfficiencyBest ApplicationOverall Rating
Series SCCast-Iron Steam~82% AFUEApartment buildings, schools, churches
Series 64Cast-Iron Steam~82% AFUE6–30 unit buildings, churches, small commercial
Series 211ACast-Iron Steam~82% AFUELarge institutional & industrial facilities
PUREFIRECondensingUp to 94%High-efficiency commercial hot water heating

Request a Commercial Boiler Quote

Free Commercial Boiler Estimate
Boiler Sizing Consultation
Emergency Boiler Replacement
Commercial Service Agreements
Financing Options Available
Same-Day Site Visits
Licensed & Insured Commercial Boiler Specialists

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

Chicago Commercial Boiler Specialists — serving the city since 2009
Licensed & Insured — IL License #2183457
Factory-Trained Peerless Boiler Technicians
Complete Installed Packages — boiler, controls, piping, commissioning
Emergency Boiler Replacement — same-day site visits available
Commercial Service Agreements — preventative maintenance programs
Financing Options Available — flexible payment solutions
All Permits & Inspections Handled — full code compliance

About Peerless Boilers

Peerless Mfg. Co. has been manufacturing cast-iron boilers in the United States for over a century. Founded in the early 1900s, Peerless built its reputation on the durability and reliability of its cast-iron sectional boilers — products that have heated Chicago apartment buildings, schools, churches, and commercial properties for generations. The Peerless name is synonymous with heavy-duty commercial steam heating in the Chicago market, and for good reason: properly maintained Peerless boilers routinely provide 40 to 60 years of reliable service.

Steam Boilers vs. Condensing Boilers — Which Is Right for Your Building?

The choice between a traditional cast-iron steam boiler and a modern condensing hot water boiler depends on several factors, including the existing heating distribution system, the building's energy efficiency goals, and the available budget. For buildings with existing steam radiator systems, replacing the boiler with a compatible steam unit — such as the Peerless SC, 64, or 211A Series — is typically the most cost-effective approach. For buildings looking to convert from steam to hot water heating, or for new construction projects, the Peerless PUREFIRE condensing boiler offers significantly higher efficiency and lower operating costs.

Chicago Steam Heating Systems — A Legacy of Reliable Heat

Chicago's older building stock — particularly the two-flats, three-flats, and six-flats that define the city's residential neighborhoods — was built with steam heating as the standard. Steam heat was the dominant residential and commercial heating technology from the late 1800s through the mid-20th century, and Chicago's building stock reflects this history. Today, tens of thousands of Chicago buildings continue to rely on steam heating systems, and the demand for experienced commercial steam boiler contractors remains strong.

Peerless vs. Weil-McLain, Burnham & Crown — How Do They Compare?

When evaluating commercial steam boiler options, building owners and property managers frequently compare Peerless against other leading manufacturers including Weil-McLain, Burnham, and Crown. All four manufacturers produce quality cast-iron sectional steam boilers with similar efficiency ratings and comparable service lives. D's Air & Heating, Inc. installs and services all major commercial steam boiler brands, and we can provide objective guidance on the best option for your specific building and application.

Emergency Commercial Boiler Replacement in Chicago

A failed commercial boiler in the middle of a Chicago winter is a genuine emergency. Tenants and building occupants depend on reliable heat, and a boiler failure can create legal liability for building owners and property managers who fail to restore heat promptly. D's Air & Heating, Inc. provides emergency commercial boiler replacement services throughout Chicago, with same-day site visits available for urgent situations.

Commercial Boiler Preventative Maintenance — Protecting Your Investment

The best way to avoid an emergency boiler failure is a proactive preventative maintenance program. D's Air & Heating, Inc. offers commercial boiler service agreements that include annual inspections, cleaning, and tune-ups designed to identify and address potential issues before they become failures. A well-maintained commercial boiler operates more efficiently, consumes less fuel, and lasts significantly longer than a neglected unit.

Service Call Policy — D's Air & Heating, Inc.

  1. The service call fee covers travel and full diagnostics only.
  2. The service call fee is not deducted from the total cost of any repair or installation.
  3. After diagnostics, we provide clear repair or replacement options with upfront, itemized pricing.
  4. Once you approve the Maintenance Agreement, your 15% discount becomes active and is automatically applied to the repair or installation estimate.
  5. The 15% discount does not apply to the initial service call fee.

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

Boiler Installation & Replacement – Chicago

D's Air & Heating provides complete boiler installation and replacement for Chicago homes, multi-unit buildings, and commercial spaces. Since 2009, we've installed and serviced every major boiler manufacturer, including Weil-McLain (WM), Burnham/U.S. Boiler (BN), Navien (NAV), Lochinvar (LOCH), Pennco (PN), Crown (CR), Green Mountain (GM), Dunkirk (DK), and NTI. Our process includes proper boiler sizing, clean hydronic piping layout, venting verification, circulator placement, zone balancing, gas service checks, and full system startup with safety testing. We install cast-iron gas boilers, oil boilers, high-efficiency condensing boilers, and combi units that provide heat plus domestic hot water. Each project begins with a radiator and baseboard evaluation to ensure even heat distribution and correct system flow. We specialize in replacing outdated boilers with modern high-efficiency systems that reduce energy use and improve comfort. Residential customers benefit from quiet operation, reliable heating, and long equipment life. Commercial clients receive engineered solutions for multi-unit hydronic systems, small commercial buildings, and mixed-use properties. Our star-rated lineup helps customers compare performance: Weil-McLain ★★★★★, Burnham ★★★★☆, Navien ★★★★★, Lochinvar ★★★★★, Pennco ★★★☆☆, Crown ★★★☆☆, Green Mountain ★★★☆☆, Dunkirk ★★★☆☆, NTI ★★★★★. All boiler pages are fully indexed for search, including abbreviations WM, BN, NAV, LOCH, PN, CR, GM, DK, and NTI. Whether upgrading a home boiler or replacing a commercial system, D's Air delivers clean, code-compliant installations built for Chicago's toughest winters.

Residential Boiler Installation – Chicago

High-efficiency residential boilers installed with proper sizing, venting, and piping.

Residential Brand Ratings

  • Weil-McLain (WM)★★★★★
  • Burnham / U.S. Boiler (BN)★★★★☆
  • Navien (NAV)★★★★★
  • Lochinvar (LOCH)★★★★★
  • Pennco (PN)★★★☆☆

Residential Applications

Chicago homes with radiators, baseboards, multi-zone hydronic systems, and combi setups. Our residential boiler installations cover single-family homes, two-flats, three-flats, greystones, and vintage buildings throughout the Chicago metro area.

Commercial Boiler Installation – Chicago

Light-commercial and multi-unit boiler systems with high-efficiency condensing options.

Commercial Brand Ratings

  • Weil-McLain (WM)★★★★★
  • Burnham / U.S. Boiler (BN)★★★★☆
  • Navien (NAV)★★★★★
  • Lochinvar (LOCH)★★★★★
  • Dunkirk (DK)★★★☆☆
  • NTI★★★★★

Commercial Applications

Multi-unit buildings, small commercial spaces, hydronic zoning, and high-load systems. D's Air & Heating serves apartment buildings, mixed-use properties, small office buildings, and light industrial facilities throughout Chicago and surrounding suburbs.

Boiler Brand Comparison Chart

Compare the top boiler brands D's Air & Heating installs in Chicago — AFUE, type, best use, and star ratings.

BrandRatingTypeAFUEBest Use
Weil-McLain (WM)★★★★★Cast-Iron / Gas82–96%Radiators, multi-unit, vintage homes
Burnham / U.S. Boiler (BN)★★★★☆Cast-Iron / Gas & Oil82–95%Older homes, oil-to-gas conversions
Navien (NAV)★★★★★Condensing Combi95–97%High-efficiency + domestic hot water
Lochinvar (LOCH)★★★★★Condensing95–96%Large homes, commercial, multi-zone
Pennco (PN)★★★☆☆Cast-Iron / Gas83–86%Budget installs, chimney-vented systems
Dunkirk (DK)★★★☆☆Cast-Iron / Gas82–95%Multi-unit buildings, steam systems
NTI★★★★★Condensing95–97%High-efficiency installs, combi systems

AFUE ranges reflect full model lineups. Installed prices vary by model, BTU, and site conditions. Call (773) 940-0965 for a free estimate.

Commercial HVAC Installation

Full Commercial HVAC Installation

D's Air provides full commercial HVAC installation for rooftop units, split systems, packaged units, and large-capacity heating & cooling equipment.

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Peerless Boiler Installation & Service Experts

D's Air & Heating proudly provides professional Peerless boiler installation, replacement, repair, maintenance, and emergency service throughout Chicago and surrounding communities. Peerless Boilers has earned a reputation for manufacturing dependable, energy-efficient residential and commercial heating systems designed to deliver long-lasting performance and reliable comfort.

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

We help homeowners, property managers, and commercial building owners select the right Peerless boiler for their specific heating requirements, efficiency goals, and budget. Every installation is completed according to manufacturer specifications and local code requirements, ensuring safe, reliable operation and full warranty coverage.

From residential steam and hot water boilers to large commercial boiler systems, D's Air & Heating delivers quality workmanship, expert system design, and dependable customer support backed by Peerless technology and warranty protection. Our Peerless 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 Peerless boiler installation, replacement, maintenance, or repair services.

Chicago's Commercial Boiler Specialists

D's Air & Heating, Inc. installs and replaces Peerless commercial boilers throughout Chicago. Contact us for a free commercial boiler estimate.

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