Pennco Cast-Iron Water Boilers
Chicago, IL
Budget cast-iron water boilers — chimney-vented, natural gas, 84% AFUE. Reliable, simple, durable heating for Chicago homes.
Economy Option · Serving Chicago Since 2009 · IL License #2183457
Pennco 15B Series — Reliable Budget Heating
The Pennco 15B Series is a straightforward cast-iron water boiler built for Chicago's demanding winters. Chimney-vented and natural gas-fired at 84% AFUE, these boilers are the most affordable new-boiler option D's Air & Heating, Inc. installs. If you need a dependable replacement without the premium price tag of a condensing unit, Pennco delivers solid performance at a lower installed cost.
Pennco 15B Series — Models & Installed Pricing
All prices are fully installed — permits, startup, and labor included.
Technical Visit — $95.35 · Don't "FREEZE" — Call D's!
| Model | MBH | AFUE | Venting | Fuel | Installed Price | Rating |
|---|---|---|---|---|---|---|
| 15B-060K | 59 MBH | 84% | Chimney | Natural Gas | $6,800.37 | |
| 15B-095K | 92.5 MBH | 84% | Chimney | Natural Gas | $6,868.87 | |
| 15B-120K | 120 MBH | 84% | Chimney | Natural Gas | $7,193.07 | |
| 15B-150K | 149 MBH | 84% | Chimney | Natural Gas | $7,588.46 | |
| 15B-175K | 175 MBH | 84% | Chimney | Natural Gas | $8,184.99 | |
| 15B-205K | 205 MBH | 84% | Chimney | Natural Gas | $8,931.08 | |
| 15B-235K | 235 MBH | 84% | Chimney | Natural Gas | $9,483.63 |
Model Details
15B-060K
Installed
$6,800.37
Entry-level cast-iron water boiler. Reliable, simple, chimney-vented design ideal for small apartments or single-zone systems. Best for customers needing a low-cost replacement with basic performance.
15B-095K
Installed
$6,868.87
A step up in heating output with improved recovery time. Still budget-friendly but offers noticeably better comfort for medium-size homes or multi-radiator systems.
15B-120K
Installed
$7,193.07
Strong mid-range Pennco model. Good balance of cost and performance. Handles larger radiator loops and multi-floor systems without strain.
15B-150K
Installed
$7,588.46
High-output budget boiler. Ideal for medium-large homes, multi-unit buildings, or older Chicago homes with heavy cast-iron radiator loads.
15B-175K
Installed
$8,184.99
Reliable large-capacity boiler with strong heating performance. Great for buildings with long piping runs or high radiator counts. Still cheaper than Dunkirk/Crown equivalents.
15B-205K
Installed
$8,931.08
High-capacity cast-iron boiler designed for multi-unit residential or small commercial spaces. Excellent durability and stable heating output.
15B-235K
Installed
$9,483.63
Largest Pennco model. Strong heating power for large homes, multi-family buildings, or heavy radiator systems. Still remains your cheapest high-capacity boiler option.
Installation Includes
D's Air & Heating, Inc. — Warranty Policy
1-Year Workmanship Warranty
All labor performed by D's Air & Heating, Inc. is covered by a 1-year workmanship warranty from the date of installation.
Manufacturer Warranty on Boiler
The Pennco boiler carries the manufacturer's standard limited warranty. Warranty terms vary by model — ask your technician for details.
No Warranty on Customer-Supplied Equipment
D's Air & Heating, Inc. does not warranty labor performed on equipment or parts supplied by the customer.
Unforeseen Issues Not Warrantied
Pre-existing conditions, hidden damage, or issues discovered after work is completed that were not visible or diagnosable at the time of service are not covered.
Air-Pressure Test Determines Next Steps
All boiler installations conclude with an air-pressure test. Results are documented in the service record and determine whether additional work is needed.
Service Call Policy — D's Air & Heating, Inc.
- Fee covers travel and full diagnostics only.
- Fee is not deducted from repair or installation cost.
- After diagnostics, clear repair/replacement options with upfront itemized pricing.
- Once Maintenance Agreement approved, 15% discount activates and applies to repair/installation estimate.
- 15% discount does not apply to the initial service call fee.
Ready to Replace Your Boiler?
Book your diagnostic visit online or call D's Air & Heating, Inc. directly. Upfront pricing — no contracts.
Book Now is for scheduling your technician visit. This is the coming-out diagnostic appointment where the technician shows up and diagnoses the issue. This fee is non-refundable once booked.
Related Services
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.