D's Air & Heating, Inc.

Dunkirk Boiler Installation Chicago | D's Air & Heating, Inc.

Dunkirk WPSB cast iron gas boiler
Dunkirk Authorized Installer

Dunkirk Boiler Installation in Chicago

4.9/5 Rated Installation

American-made residential and commercial boilers for Chicago homes and buildings. D's Air installs the full Dunkirk lineup — Royal CO, Royal CH, DXL-K, XEB, WPSB, PSB, and commercial models. Upfront pricing, no contracts.

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

⭐⭐⭐⭐⭐

4.9/5 Rated Installation

9

Dunkirk Models Available

Since 2009

Serving Chicago

IL #2183457

Licensed & Insured

Residential

Dunkirk Residential Boilers

Call for installed pricing. Price confirmed before work begins. All installations include equipment, labor, permits, and startup.

Condensing Gas Boilers — Up to 95.2% AFUE

Dunkirk Royal CO boilerCondensing Combi

Dunkirk

Royal CO

Residential Combi Modulating Condensing Gas Boiler

$14,995
Efficiency: Up to 95.2% AFUE
Fuel: Natural Gas
Venting: Direct Vent / PVC
Mounting: Wall Mounted
Best for: Homes needing both space heating and domestic hot water in one compact wall-hung unit
View Full Specs & Pricing
Dunkirk Royal CH boilerCondensing

Dunkirk

Royal CH

Residential Modulating Condensing Gas Boiler

$49,995
Efficiency: Up to 95.2% AFUE
Fuel: Natural Gas
Venting: Direct Vent / PVC
Mounting: Wall Mounted
Best for: High-efficiency hydronic heating for Chicago homes — multi-zone radiant and baseboard systems
View Full Specs & Pricing

Cast Iron Hot Water Boilers

Dunkirk DXL-K boilerCast Iron Hot Water

Dunkirk

DXL-K

Cast Iron Gas Boiler

$12,995
Efficiency: 84% AFUE
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Chicago bungalows and two-flats with existing hot water radiator or baseboard systems
View Full Specs & Pricing
Dunkirk XEB boilerCast Iron Hot Water

Dunkirk

XEB

Cast Iron Gas Boiler

$12,995
Efficiency: Up to 84.4% AFUE
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Larger Chicago homes and multi-zone hot water systems requiring higher BTU output
View Full Specs & Pricing
Dunkirk WPSB Series 4 boilerCast Iron Hot Water

Dunkirk

WPSB Series 4

Cast Iron Gas Boiler

$14,995
Efficiency: 84.1% AFUE
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Vintage Chicago homes with existing hot water radiator or baseboard distribution
View Full Specs & Pricing

Cast Iron Steam Boilers

Dunkirk PSB boilerCast Iron Steam

Dunkirk

PSB

Cast Iron Steam Boiler

$14,995
Efficiency: Up to 82.7% AFUE
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Chicago greystones, bungalows, and two-flats with one-pipe or two-pipe steam distribution
View Full Specs & Pricing
Commercial

Dunkirk Commercial Boilers

Site survey required for commercial installations. D's Air & Heating handles all commercial permits and inspections.

Dunkirk Royal CH Commercial boiler

Dunkirk

Royal CH Commercial

Commercial Modulating Condensing Gas Boiler

$49,995
Efficiency: Up to 95.2% AFUE
Fuel: Natural Gas
Venting: Direct Vent / PVC
Mounting: Wall Mounted
Best for: Commercial buildings requiring high-efficiency modulating condensing hot water heating
View Full Specs & Pricing
Dunkirk D250 Commercial Water boiler

Dunkirk

D250 Commercial Water

Commercial Cast Iron Hot Water Boiler

$39,995
Efficiency: Standard Efficiency
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Large commercial buildings and multi-unit properties with existing hot water distribution
View Full Specs & Pricing
Dunkirk D250 Commercial Steam boiler

Dunkirk

D250 Commercial Steam

Commercial Cast Iron Steam Boiler

$39,995
Efficiency: Standard Efficiency
Fuel: Natural Gas
Venting: Category I / B-Vent
Mounting: Floor Standing
Best for: Large commercial buildings with one-pipe or two-pipe steam distribution systems
View Full Specs & Pricing
American-Made Since 1928

Why Choose Dunkirk?

American-Made Since 1928

Dunkirk boilers are manufactured in Dunkirk, New York. Nearly a century of American boiler manufacturing — quality and reliability built into every unit.

Cast Iron Durability

DXL-K, XEB, WPSB, and PSB cast iron sections deliver decades of reliable heat for Chicago vintage homes. Cast iron retains heat, resists corrosion, and lasts.

Modulating Condensing

Royal CO and Royal CH modulate from low to full capacity — maximum efficiency at every load. Up to 95.2% AFUE for significant energy savings.

Combi Convenience

Royal CO provides both space heating and domestic hot water from a single compact wall-hung unit — ideal for Chicago homes with limited mechanical room space.

Vintage Home Specialist

Dunkirk steam and hot water boilers are a proven choice for Chicago's pre-war housing stock. PSB steam and WPSB hot water are designed for Chicago's vintage radiator systems.

Full Residential & Commercial Line

From a single-family bungalow to a large commercial building, Dunkirk has a boiler for the job. D's Air installs the complete Dunkirk residential and commercial lineup.

No Surprises

What's Included in Every Installation

Every Dunkirk boiler installation from D's Air & Heating includes everything below — no hidden fees, no surprise add-ons.

New Dunkirk boiler (model of your choice)
Professional installation labor
Gas piping connections
Water or steam piping connections
Venting installation
Electrical connections
System startup and testing
City of Chicago permit processing
Removal and disposal of old boiler
Installation materials and fittings
System pressure test
Customer walkthrough and instruction
Final safety inspection
Serving Chicago Since 2009

Why Choose D's Air & Heating, Inc.

D's Air & Heating, Inc. has been providing professional boiler installation, replacement, repair, and maintenance services throughout Chicago since 2009. Founded by Darryl Q. Joyner Sr., D's Air & Heating has built a reputation for honest recommendations, quality workmanship, and professional service that Chicago homeowners and building owners trust.

Chicago's vintage housing stock — bungalows, greystones, two-flats, and courtyard buildings — relies on steam and hot water boiler systems that require specialized knowledge. D's Air & Heating understands these systems and installs Dunkirk boilers to the manufacturer's specifications and City of Chicago code requirements.

Chicago's trusted Dunkirk installer since 2009
Steam heating specialists
Hydronic heating specialists
Permit handling — all City of Chicago permits included
Code-compliant installations
Proper system sizing and load calculations
Professional startup and testing
No contracts — transparent upfront pricing
Licensed & insured — IL License #2183457
Local Chicago company
(773) 940-0965
Dunkirk Royal CO condensing combi boiler
Common Questions

Frequently Asked Questions

What Dunkirk boilers does D's Air & Heating install?

D's Air & Heating installs the complete Dunkirk residential and commercial lineup — Royal CO (combi condensing), Royal CH (condensing), DXL-K (cast iron hot water), XEB (cast iron hot water), WPSB Series 4 (cast iron hot water), PSB (cast iron steam), Royal CH Commercial, D250 Commercial Water, and D250 Commercial Steam.

How much does a Dunkirk boiler installation cost in Chicago?

Dunkirk boiler installation pricing depends on the model, your home's existing system, and any required piping or venting modifications. D's Air & Heating provides upfront installed pricing before any work begins. Call (773) 940-0965 or book online for a free estimate.

Which Dunkirk boiler is right for my Chicago home?

The right Dunkirk boiler depends on your existing system. If you have steam radiators, the PSB cast iron steam boiler is the right choice. If you have hot water radiators or baseboard, the DXL-K, XEB, or WPSB are proven options. For high-efficiency upgrades, the Royal CH condensing boiler delivers up to 95.2% AFUE. D's Air & Heating will assess your system and recommend the right model.

Does D's Air & Heating pull permits for Dunkirk boiler installations?

Yes. D's Air & Heating pulls all required City of Chicago permits for every boiler installation. Permit processing is included in the installation price — no hidden fees.

Can Dunkirk boilers work with my existing steam or hot water system?

Yes. Dunkirk cast iron boilers are designed as direct replacements for existing steam and hot water systems. The PSB works with one-pipe and two-pipe steam systems. The DXL-K, XEB, and WPSB work with existing hot water radiator and baseboard systems — no system conversion required.

What is the warranty on Dunkirk boilers?

Dunkirk boilers come with manufacturer warranties covering the heat exchanger and parts. Warranty terms vary by model. D's Air & Heating will provide specific warranty information for the model you select.

How long does a Dunkirk boiler installation take?

Most residential Dunkirk boiler installations are completed in one day. Commercial installations may take two to four days depending on the size and complexity of the system. D's Air & Heating will provide a timeline estimate when you schedule your installation.

Is financing available for Dunkirk boiler installations?

Yes. D's Air & Heating offers financing options for qualified customers. Ask about current financing programs when you call for your estimate.

What is included in a Dunkirk boiler installation from D's Air & Heating?

Every Dunkirk boiler installation includes the new boiler, professional installation labor, gas piping, water or steam piping connections, venting, electrical connections, system startup and testing, City of Chicago permit processing, removal and disposal of the old boiler, and a customer walkthrough.

Does D's Air & Heating service Dunkirk boilers after installation?

Yes. D's Air & Heating provides Dunkirk boiler maintenance, repair, and emergency service throughout Chicago. Annual maintenance is recommended to keep your boiler operating at peak efficiency and extend equipment life.

Compare All Boiler Brands

See how Dunkirk stacks up against Weil-McLain, Crown, Green Mountain, Navien, and NTI side by side.

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.

Ready to Install a Dunkirk Boiler?

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

Free EstimatesProfessional InstallationLicensed & InsuredServing Chicago Since 2009
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.

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

1

Contact

Call or book online. We respond promptly and schedule at your convenience.

2

Assessment

We evaluate your system, your home, and your needs before making any recommendation.

3

Written Estimate

You receive a clear, written estimate before any work begins. No surprises.

4

Professional Work

Our technicians are trained, licensed, and take pride in clean, code-compliant installations.

5

Testing

We test every system thoroughly before we leave and explain what was done.

6

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

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
S

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."

Verified Google Review
K

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."

Verified Google Review
D

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."

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