D's Air & Heating, Inc.
Navien Authorized Installer

Navien Boiler Installation in Chicago

High-efficiency condensing boilers and combi-boilers — up to 97% AFUE. D's Air installs every Navien model with upfront pricing and no contracts.

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

Why Navien?

Navien is the #1 selling condensing boiler brand in North America. Their combi-boilers and hot-water boilers deliver up to 97% AFUE efficiency with smart controls, PVC venting, and stainless steel heat exchangers — ideal for Chicago homeowners looking to cut heating bills.

Navien Boiler

Navien condensing boilers reach up to 97% AFUE — among the highest available.

Navien Boiler

NCB series provides both space heating and unlimited domestic hot water from one unit.

Navien Boiler

Navien modulates from 10–100% capacity — maximum comfort and minimum fuel waste.

Navien Boiler

Direct vent with standard PVC pipe — no expensive stainless liner required.

Navien Boiler

NaviLink Wi-Fi control allows remote monitoring and scheduling from any smartphone.

Navien Boiler

Stainless steel primary heat exchanger resists corrosion and extends service life.

Navien Models We Install

All installed prices include equipment, labor, permits, and startup. Price confirmed before work begins.

Navien

NCB-180E

Condensing Combi-Boiler

$9,950
BTU: 180,000 BTU
Efficiency: 95% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: Homes needing heat + domestic hot water in one compact unit

Installed price includes equipment, labor, permits & startup

Navien

NCB-240E

Condensing Combi-Boiler

$11,450
BTU: 240,000 BTU
Efficiency: 95% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: Larger homes, high DHW demand, multi-zone

Installed price includes equipment, labor, permits & startup

Navien

NHB-80

Condensing Hot-Water Boiler

$7,950
BTU: 80,000 BTU
Efficiency: 95% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: Smaller homes, high-efficiency retrofit, tight spaces

Installed price includes equipment, labor, permits & startup

Navien

NHB-150

Condensing Hot-Water Boiler

$9,200
BTU: 150,000 BTU
Efficiency: 95% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: Medium to large homes, multi-zone hydronic

Installed price includes equipment, labor, permits & startup

Navien

NHB-200

Condensing Hot-Water Boiler

$10,450
BTU: 200,000 BTU
Efficiency: 95% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: Large homes, radiant floor, multi-zone systems

Installed price includes equipment, labor, permits & startup

Navien

NPE-240A2

Condensing Tankless Water Heater / Combi

$10,950
BTU: 240,000 BTU
Efficiency: 97% AFUE
Fuel: Natural Gas / Propane
Venting: Direct Vent / PVC
Best for: High-efficiency combi applications, unlimited hot water

Installed price includes equipment, labor, permits & startup

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.

Compare All Boiler Brands

See how Navien stacks up against Weil-McLain, Crown, Green Mountain, Dunkirk, 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 Navien Boiler?

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

📅 Book Online📞 Don't Freeze — Call D's!🚨 Need Help ASAP?Same-Day HVAC Service Available