Boiler Installation & Service in Chicago
Professional installation, replacement, and service for all residential and commercial boilers. We support every major manufacturer — high-efficiency condensing, cast-iron, steam, hot water, and industrial systems. All installations include safety checks, startup, and manufacturer warranty registration.
Residential vs. Commercial Boilers
We install and service both — here's how they differ.
Residential Boilers
Residential boilers provide dependable, long-lasting heat for homes, condos, townhomes, and small multi-unit buildings. D's Air & Heating installs and services all major residential boiler manufacturers, offering both high-efficiency condensing systems and traditional cast-iron boilers for hot water and steam applications. Our residential lineup includes Weil-McLain, Burnham, Navien, Lochinvar, Peerless, Buderus, Viessmann, Crown, Slant/Fin, Laars, NTI, Triangle Tube, HTP, Thermoflo, and Green Mountain. These systems are engineered for Chicago's demanding winters, delivering quiet operation, even heat distribution, and reliable performance across all home types. Whether upgrading an older radiator system or installing a modern hydronic setup, D's Air ensures proper sizing, venting, piping, and safety controls. Every installation includes full system startup, combustion analysis, and manufacturer warranty registration.
- Homes, condos, townhomes, and small multi-unit buildings
- Hot water and steam radiator systems
- High-efficiency condensing and cast-iron options
- Compact wall-hung to heavy-duty cast-iron units
- Proper sizing, venting, piping, and safety controls
- Full startup, combustion analysis, and warranty registration
Commercial Boilers
Commercial boilers deliver high-capacity heating for restaurants, schools, churches, warehouses, industrial facilities, and large multi-unit buildings. D's Air & Heating provides full installation, replacement, and service for all major commercial boiler manufacturers, including Cleaver-Brooks, Miura, Fulton, Lochinvar Commercial, Bosch Industriekessel, Babcock & Wilcox, Alfa Laval, Thermax, and Vaillant Commercial. We evaluate building load requirements, piping layout, control strategies, and redundancy needs to ensure optimal performance and long-term reliability. Every commercial installation includes startup testing, safety checks, and warranty registration.
- Restaurants, schools, churches, and warehouses
- Industrial facilities and large multi-unit buildings
- High-capacity steam and hydronic heating systems
- Advanced controls and BAS integration
- Precise system design, venting, and pump integration
- Startup testing, safety checks, and warranty registration
Residential Boilers
Residential boilers provide dependable, long-lasting heat for homes, condos, townhomes, and small multi-unit buildings. D's Air & Heating installs and services all major residential boiler manufacturers, offering both high-efficiency condensing systems and traditional cast-iron boilers for hot water and steam applications. Our residential lineup includes Weil-McLain, Burnham, Navien, Lochinvar, Peerless, Buderus, Viessmann, Crown, Slant/Fin, Laars, NTI, Triangle Tube, HTP, Thermoflo, and Green Mountain. These systems are engineered for Chicago's demanding winters, delivering quiet operation, even heat distribution, and reliable performance across all home types. Whether upgrading an older radiator system or installing a modern hydronic setup, D's Air ensures proper sizing, venting, piping, and safety controls. Every installation includes full system startup, combustion analysis, and manufacturer warranty registration.
Commercial Boilers
Commercial boilers deliver high-capacity heating for restaurants, schools, churches, warehouses, industrial facilities, and large multi-unit buildings. D's Air & Heating provides full installation, replacement, and service for all major commercial boiler manufacturers, including Cleaver-Brooks, Miura, Fulton, Lochinvar Commercial, Bosch Industriekessel, Babcock & Wilcox, Alfa Laval, Thermax, and Vaillant Commercial. We evaluate building load requirements, piping layout, control strategies, and redundancy needs to ensure optimal performance and long-term reliability. Every commercial installation includes startup testing, safety checks, and warranty registration.
Why D's Air & Heating, Inc.
Chicago's boiler specialists since 2009. Licensed, insured, and no contracts required.
Licensed & Insured
IL License #2183457. Fully insured for all residential and commercial boiler work.
All Major Brands
15 residential and 9 commercial brands. We install and service whatever you have.
No Contracts
No maintenance contracts required. We earn your business every visit — that's the D's Air way.
Warranty Registration
Every installation includes manufacturer warranty registration and startup documentation.
Residential & Commercial
From single-family homes to large industrial facilities — we handle it all.
Chicago-Based Since 2009
Serving Chicago's neighborhoods for 15+ years. We know the city's older buildings and heating systems.
Service Call Policy — D's Air & Heating, Inc.
- The service call fee covers travel and full diagnostics only.
- The service call fee is not deducted from the total cost of any repair or installation.
- After diagnostics, we provide clear repair or replacement options with upfront, itemized pricing.
- Once you approve the Maintenance Agreement, your 15% discount becomes active and is automatically applied to the repair or installation estimate.
- 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.
| Brand | Rating | Type | AFUE | Best Use |
|---|---|---|---|---|
| Weil-McLain (WM) | ★★★★★ | Cast-Iron / Gas | 82–96% | Radiators, multi-unit, vintage homes |
| Burnham / U.S. Boiler (BN) | ★★★★☆ | Cast-Iron / Gas & Oil | 82–95% | Older homes, oil-to-gas conversions |
| Navien (NAV) | ★★★★★ | Condensing Combi | 95–97% | High-efficiency + domestic hot water |
| Lochinvar (LOCH) | ★★★★★ | Condensing | 95–96% | Large homes, commercial, multi-zone |
| Pennco (PN) | ★★★☆☆ | Cast-Iron / Gas | 83–86% | Budget installs, chimney-vented systems |
| Dunkirk (DK) | ★★★☆☆ | Cast-Iron / Gas | 82–95% | Multi-unit buildings, steam systems |
| NTI | ★★★★★ | Condensing | 95–97% | 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.
Not Sure Which Boiler Is Right for You?
Our licensed technicians will assess your building, existing system, and budget — then recommend the best boiler for your needs. No pressure, no upsells.
IL License #2183457 · Serving Chicago & Surrounding Areas · No Contracts Required