NBW Inc. – Trusted Boiler Repair Experts Since 1935
NBW Inc. has been trusted for nearly a century to keep industrial and commercial boilers safe, efficient, and compliant. Since 1935, we’ve combined technical expertise with certified quality standards to deliver dependable boiler repair services for factories, power plants, municipalities, hospitals, and more.
Available 24/7 — Call today for immediate assistance.
Ohio: (216) 377-1700 | Texas: (281) 937-2175
24/7 Emergency Boiler Repair Services
When a boiler fails, every minute matters. NBW’s emergency response team is on call day and night to troubleshoot and repair issues of any size or severity.
What to Expect from NBW Emergency Service:
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Rapid Mobilization – Technicians dispatched immediately with fully equipped trucks.
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Expert Diagnosis – Quick assessment of tube ruptures, refractory collapse, burner failures, and control issues.
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Immediate Mitigation – On-the-spot repairs such as tube plugging, patch welding, or component replacement.
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Temporary Steam Solutions – Rental boilers and auxiliary equipment to keep operations online.
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Clear Communication – Direct updates from a project manager or lead technician until your system is restored.
For over 90 years, industries nationwide have relied on NBW for fast response, code-compliant repairs, and peace of mind.
Boiler Types We Service and Repair
NBW services all major boiler types used in commercial and industrial facilities. Our experienced team handles:
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Cast-Iron Sectional Boilers – Common in commercial heating; we repair cracked sections and reseal joints.
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Firetube Boilers – Ideal for low- to medium-pressure steam. We specialize in tube repairs and sheet restoration.
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Watertube Boilers – Used in high-pressure applications; we fix leaks, replace generating tubes, and service drums.
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Flextube Boilers – Fast-starting systems with flexible tubes. We resolve tube clogs, gasket failures, and heat stress damage.
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Package Boilers – Pre-assembled units for quick deployment; we support both firetube and watertube package systems.
We also service electric, biomass, waste-heat, and other specialized boiler systems.
Boiler Repair Capabilities
From minor leaks to complete system overhauls, NBW provides end-to-end boiler repair solutions.
Core Capabilities:
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Pressure vessel and tube repairs (isolated or full re-tubes, tube sheet replacements)
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Burner and combustion system service (heads, igniters, fuel trains, tuning, emissions compliance)
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Refractory and insulation rebuilds (burner throat tiles, furnace linings, door seals)
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Boiler auxiliaries (economizers, air preheaters, stacks, feedwater heaters, pumps, valves)
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Custom fabrication and modifications (nozzle relocations, manway additions, on-site machining)
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Quality assurance (ASME-certified welding, NDE inspections, hydrostatic testing)
NBW also maintains a large inventory of boiler tubing and parts to expedite repairs.
Asme & National Board Inspection Code
Safety and compliance are at the heart of every repair we perform. NBW is fully certified by the American Society of Mechanical Engineers (ASME) and the National Board of Boiler and Pressure Vessel Inspectors (NBIC).
Certifications Include:
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ASME “S” Stamp – Power Boilers & Power Piping
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ASME “U” Stamp – Unfired Pressure Vessels
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NBIC “R” Stamp – Repairs & Alterations (shop & field)
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NBIC “NB” Authorization – Boiler & vessel registration
Choosing NBW means every repair is code-compliant, documented, and recognized for regulatory and insurance approval.
Safety and compliance are non-negotiable when it comes to boiler repairs. NBW is an ASME and NBIC certified contractor, which means our procedures, personnel, and quality systems meet the rigorous standards of the American Society of Mechanical Engineers (ASME) and the National Board of Boiler and Pressure Vessel Inspectors (NBIC). All work is performed in accordance with the ASME Boiler & Pressure Vessel Code and the National Board Inspection Code.
When you need us, we will be there
The solutions you need, exactly when you need them. Call us today and learn how we can help you overcome any challenge. Timely response to our customers' emergency needs is always our priority. Prompt response and 24-hour support personnel means minimal down time and reduced collateral loss. We maintain a modern fleet of fully outfitted service trucks prepared to meet any challenges an emergency brings.