D's Air & Heating, Inc.
Emergency HVAC technician service van
Emergency Service Available 24/7
Don't "FREEZE" Call D's...

24/7 Emergency Boiler Repair in Chicago

No heat? Boiler leaking? Pressure too high or too low? We provide fast emergency boiler service for homes, condos, and multi-unit buildings across Chicago. Available nights, weekends, and holidays.

Licensed & insured. Rapid response. Available 24/7.

5.0 · Trusted by Chicago homeowners since 2009

Boiler emergencies require fast, professional service — especially during Chicago's freezing winter months when heat is critical. At D's Air & Heating, we provide rapid emergency boiler repair for hot-water and steam systems, including Lennox, Weil-McLain, Burnham, Crown, Dunkirk, and more. When your boiler stops heating, leaks water, loses pressure, makes loud banging noises, or refuses to ignite, our technicians respond quickly with accurate diagnostics and manufacturer-approved repair procedures. Chicago homes and multi-unit buildings depend on steady hydronic heat, and emergency issues must be handled immediately to prevent damage, safety risks, and extended downtime.

Our emergency boiler service covers circulator pump failures, zone valve malfunctions, ignition problems, pressure spikes, low-pressure conditions, air-bound systems, leaking components, and dangerous overheating. We inspect the heat exchanger, test safety controls, verify water levels, purge air from the system, and ensure proper circulation to restore safe, reliable heat. Whether your radiators are cold, your boiler is short-cycling, or you're experiencing a sudden no-heat situation, we deliver fast service, clear pricing, and professional workmanship. For non-emergency service, our boiler repair team is available same-day.

We also specialize in emergency hydronic stabilization, including temporary heat solutions, rapid leak control, pressure normalization, and system protection to prevent further damage. If your boiler is beyond repair, our team handles boiler replacement and boiler installation with free estimates and financing available. With expert emergency service from D's Air & Heating, your boiler will be restored to safe, efficient operation — keeping your home warm during Chicago's harshest weather. Contact us or call now for immediate assistance.

Emergency Service Pricing

Upfront pricing — no surprises, no contracts.

Emergency Boiler Visit

$149

Available nights, weekends, and holidays.

Standard Boiler Diagnostic

$95.35

For same-day but non-emergency visits.

Common Emergency Boiler Issues

Fast diagnosis and same-day repair for all of these.

No Heat / Radiators Cold

Often caused by:

  • Failed circulator pump
  • Faulty zone valve
  • Ignition failure
  • Air in system
  • Low pressure

Boiler Leaking Water

Often caused by:

  • Failed pressure relief valve
  • Expansion tank failure
  • Corroded fittings
  • Over-pressurization

Boiler Pressure Dangerously High

Often caused by:

  • Faulty relief valve
  • Expansion tank failure
  • Blocked piping

Boiler Pressure Dangerously Low

Often caused by:

  • Leaking system
  • Faulty expansion tank
  • Air in system

Boiler Won't Ignite / Pilot Won't Stay Lit

Often caused by:

  • Dirty flame sensor
  • Faulty ignitor
  • Bad gas valve
  • Blocked venting

Loud Banging / Knocking

Often caused by:

  • Air in system
  • Poor circulation
  • Steam boiler water level issues
  • Sediment buildup
When to Call Immediately

Request Emergency Service If You Notice:

These can become dangerous if ignored.

No heat during freezing temperatures
Boiler leaking water
Pressure over 25 PSI
Smell of gas
Burning smell
Boiler shutting off repeatedly
Loud banging or knocking
Pilot won't stay lit
Steam boiler water level issues

Emergency Boiler Repairs We Perform

Circulator pump replacement
Zone valve replacement
Ignitor replacement
Flame sensor cleaning/replacement
Expansion tank replacement
Pressure relief valve replacement
Gas valve replacement
Leak repair
Air removal / system purge
Radiator bleeding
Steam boiler water level correction

Emergency Diagnostic Checklist

1Inspect boiler
2Check pressure
3Check expansion tank
4Inspect circulator pump
5Inspect zone valves
6Inspect flame sensor
7Inspect ignitor
8Inspect gas valve
9Inspect venting
10Check thermostat
11Check safety controls
12Provide immediate repair options
If Repair Is Not Safe or Cost-Effective

Same-Day Replacement Options

If a repair cannot be safely completed, we provide immediate replacement options.

Standard Boiler Replacement

$5,500 – $9,500

High-Efficiency Combi-Boiler

$8,500 – $14,500

Multi-Unit Boiler Replacement

$12,000 – $35,000

Technician Note

Fast, Safe, and Upfront

Emergency boiler service requires fast diagnostics, pressure testing, ignition checks, and safety verification. We respond quickly, provide upfront pricing, and ensure your boiler is safe before we leave. If a repair cannot be safely completed, we offer immediate replacement options.

What Chicago Says

Emergency Boiler Reviews — D's Air & Heating

4.6 Stars Online· Trusted since 2009

"Boiler went out at 11pm on a Friday. D's Air & Heating answered immediately and had heat restored before midnight. Incredible service."

Verified Customer

Logan Square, Chicago

"Called D's Air & Heating on a Sunday morning with no heat. They were at my door within two hours. Fast, professional, and fair pricing."

Verified Customer

Humboldt Park, Chicago

"Emergency boiler call on a holiday weekend. D's Air & Heating showed up, diagnosed the problem, and fixed it same visit. True professionals."

Verified Customer

Wicker Park, Chicago

15% Off With Our Maintenance Agreement

Sign up for a D's Air Maintenance Agreement and receive 15% off qualifying repairs and upgrades upon acceptance.

Service call charge is for travel and diagnostics only. It is not deducted from the job total.

Boiler Emergency? Call D's Air Now.

Available nights, weekends, and holidays. Licensed & insured. Rapid response across Chicago.

5.0 · Trusted by Chicago homeowners since 2009
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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.

What Chicago Homeowners Should Know About Boiler Repair

Most Common Boiler Problems

Frequent boiler failures in Chicago include: low water pressure or water level (hot water and steam systems respectively), failed circulator pump (no heat distribution), faulty pressure relief valve, pilot light or ignition failure, zone valve failure, and kettling (rumbling noise caused by limescale buildup on the heat exchanger).

Steam Boiler Specific Issues

Steam systems require proper water level maintenance. Too little water triggers the low-water cutoff and shuts the boiler down. Too much water causes water hammer — the banging and clanking you hear in the pipes. Proper water treatment and annual maintenance prevent most steam boiler problems.

When to Repair vs. Replace

Boilers last 25–35 years with proper maintenance. If your boiler is under 20 years old and the repair is under $1,500, repair usually makes sense. If it's over 20 years old, requires a major component (heat exchanger, gas valve, control board), or has visible corrosion, replacement is often the better investment.

Emergency Boiler Service

A boiler failure in a Chicago winter is an emergency. D's Air provides priority service for no-heat calls. If you smell gas near your boiler, leave the building immediately, do not operate any switches, and call the gas company and 911 before calling us.

What to Expect From Your D's Air Boiler Service Call

1

Scheduling

Call or book online. Priority scheduling available for no-heat emergencies.

2

Diagnosis

Our technician performs a full boiler diagnostic and explains the problem in plain language.

3

Written Estimate

We provide a written repair estimate before any work begins.

4

Repair

We complete the repair using quality parts and run the system to verify the fix.

5

Safety Check

We test all safety controls and verify proper pressure and temperature before we leave.

6

Follow-Up

We explain what was repaired and recommend any preventive maintenance.

D's Air Repair Standards — Every Boiler Service Call

  • Full system diagnostic before any repair recommendation
  • Written estimate provided before any work begins
  • Water pressure and temperature verification after repair
  • Safety control test — LWCO, pressure relief, high-limit
  • Gas pressure test after any gas valve or burner work
  • Combustion analysis and CO check after any burner work
  • System run test — minimum 2 full heating cycles
  • No upselling — we recommend only what is needed
  • $95.35 diagnostic fee applied toward repair cost

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

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