Boiler Installation in Chicago
Professional boiler installation for homes, condos, and multi-unit buildings in Chicago. We install high-efficiency hot water boilers, steam boilers, and combi-boilers with clean, code-compliant workmanship and upfront pricing.
Fast scheduling. Licensed & insured. Quality guaranteed.
Boiler Installation Pricing
Upfront pricing — no surprises, no contracts.
$5,500 – $9,500
Hot water or steam boiler installation for single-family homes.
- Removal of old boiler
- New boiler installation
- New gas shutoff valve
- New flue pipe
- New circulator pump (if needed)
- New expansion tank
- New zone valves (if needed)
- System startup & safety check
$8,500 – $14,500
Heating + domestic hot water in one system.
- Removal of old boiler + water heater
- New combi-boiler installation
- New venting system
- New condensate pump
- New gas shutoff valve
- New expansion tank
- Full startup & testing
$12,000 – $35,000
For 2–12 unit buildings.
- Removal of old boiler
- New commercial boiler installation
- New pumps
- New zone controls
- New venting
- System balancing
- Safety & efficiency testing
Boiler Types We Install
Why Choose D's Air for Boiler Installation
What's Included in Every Installation
A complete, code-compliant installation from removal to startup.
Boilers We Install
New Boiler Installations by D's Air
Weil-McLain 88 Series
Cast-iron reliability — a Chicago favorite for steam and hot-water systems in two-flats and greystones.
Weil-McLain Residential
High-efficiency residential boilers — properly sized, permitted, and installed for Chicago winters.
Navien Combi-Boiler
Space-saving combi-boiler — heat and hot water in one wall-hung unit, up to 98% AFUE efficiency.
Evergreen High-Efficiency
Modulating condensing boiler — quiet, efficient, and built for Chicago's coldest nights.
Financing Available — $0 Down Options
Get the boiler you need today. Flexible payment plans with approved credit.
Standard Boiler
$89 – $149/mo
Combi-Boiler
$129 – $199/mo
Multi-Unit Boiler
$199 – $399/mo
Financing subject to credit approval. Monthly estimates only — actual terms set by lender.
Our Boiler Installation Process
We install boilers according to manufacturer specifications and Chicago code. Every installation includes proper venting, gas safety checks, system purging, thermostat calibration, and full startup testing. We document old equipment removal, new installation, and final readings.
Lennox Premier Dealer
Lennox GWB84 Cast-Iron Hot Water Boiler
84% AFUE · Type B-vent · Sectional cast-iron · 5 sizes from 42k–126k BTU input. Legacy/discontinued line — confirm dealer availability before quoting. NOT compatible with steam radiators. B-vent inspection required before quoting.
LX-BOIL-GWB84-042-INST
GWB84-042 Install
Install Lennox GWB84-042 cast-iron hot water boiler, 42k BTU input, 84% AFUE. Type B-vent, sectional cast-iron, hydronics, gas piping, startup. Confirm dealer availability before quoting — legacy/discontinued line.
Installed from
$5,495
LX-BOIL-GWB84-063-INST
GWB84-063 Install
Install Lennox GWB84-063 cast-iron hot water boiler, 63k BTU input, 84% AFUE. Type B-vent, sectional cast-iron, hydronics, gas piping, startup. Confirm dealer availability before quoting.
Installed from
$5,995
LX-BOIL-GWB84-084-INST
GWB84-084 Install
Install Lennox GWB84-084 cast-iron hot water boiler, 84k BTU input, 84% AFUE. Most common Chicago size. Type B-vent, sectional cast-iron, hydronics, gas piping, startup. Confirm dealer availability before quoting.
Installed from
$6,495
LX-BOIL-GWB84-105-INST
GWB84-105 Install
Install Lennox GWB84-105 cast-iron hot water boiler, 105k BTU input, 84% AFUE. Type B-vent, sectional cast-iron, hydronics, gas piping, startup. Confirm dealer availability before quoting.
Installed from
$6,995
LX-BOIL-GWB84-126-INST
GWB84-126 Install
Install Lennox GWB84-126 cast-iron hot water boiler, 126k BTU input, 84% AFUE. Type B-vent, sectional cast-iron, hydronics, gas piping, startup. Confirm dealer availability before quoting.
Installed from
$7,495
What Chicago Says
Boiler Installation Reviews — D's Air & Heating
"D's Air & Heating installed our new Weil-McLain boiler in one day. Clean work, proper permits, and the heat has been perfect all winter."
Verified Customer
Bridgeport, Chicago
"Darryl explained every option and didn't try to oversell us. D's Air & Heating installed a great boiler at a fair price. Highly recommend."
Verified Customer
Pilsen, Chicago
"Professional installation from start to finish. D's Air & Heating handled everything — permits, removal of the old unit, and a full system test."
Verified Customer
Canaryville, Chicago
Ready to Install a New Boiler?
Get a free estimate — same-day and next-day appointments available across Chicago.