What Should You Look for in a Commercial Chimney Inspection Company

When it comes to maintaining the safety, efficiency, and code compliance of your building’s venting systems, choosing the right commercial chimney inspection company matters more than you might think.

Especially in a city like New York, where many properties are prewar and multi-story, the stakes are high and the right partner can save you time, money, and headaches down the line.

Here’s what to look for when evaluating a chimney inspection company and how United Chimney sets the standard.

1. Experience With Complex, Multi-Story Commercial Buildings

Residential chimney experience isn’t enough. Commercial buildings, particularly those with multiple fireplaces, rooftop mechanicals, and interconnected systems, require a much deeper level of expertise.

What to look for:

• Experience with 10+ story buildings, landmark properties, and large-scale venting systems
• Familiarity with the challenges of NYC building structures, including stack effect, competing exhaust systems, and DOB requirements

United Chimney specializes in commercial and multi-story inspections, with decades of experience navigating the intricacies of New York City and tri-state area buildings.

2. NFPA-Compliant Inspection Levels (And Knowing When to Use Them)

The National Fire Protection Association (NFPA 211) outlines three levels of chimney inspections. Not every job requires the same level, but the right company will know when a Level 2 or Level 3 inspection is warranted and will perform it thoroughly.

What to look for:

• Clear explanation of Level 1, 2, and 3 inspections
• Compliance with NFPA 211 standards
• Recommendations tailored to your property’s needs

United Chimney performs inspections to NFPA standards and provides guidance on what level is appropriate based on your system’s history, current condition, or upcoming changes.

3. Use of Advanced Technology

Flashlights and a checklist won’t cut it. For a truly thorough assessment, your inspection partner should use video scanning and pressure testing tools to evaluate the full health of the system.

What to look for:

• High-resolution video scan equipment
• Draft and pressure testing capabilities
• Documentation backed by images and footage

United Chimney uses HD video scans and advanced draft testing on every inspection where applicable giving you a complete picture of what’s going on inside your flue systems.

4. Professional-Grade Reporting That’s Actually Useful

A quality inspection means nothing without a detailed, actionable report. Vague language or missing photos is a red flag.

What to look for:

• Reports with annotated images and video
• Clear explanations of findings, repairs, and timelines
• No generic checklists – just tailored, building-specific recommendations

United Chimney’s reports are praised by property managers and building engineers for their clarity and thoroughness. We even provide redacted samples to show the level of detail we deliver.

5. Proven Track Record in New York City and the Boroughs

In NYC, inspections often need to satisfy not just NFPA standards, but also DOB (Department of Buildings) regulations and building management protocols. That’s why it pays to work with a team that knows the local terrain.

What to look for:

• Knowledge of NYC codes and requirements
• Ability to handle DOB filings and prewar buildings
• Experience working in the five boroughs

United Chimney performs hundreds of inspections every year in NYC and the surrounding boroughs, including prewar brownstones, luxury condos, and landmarked buildings.

6. Transparency, Trust, and a Commitment to Safety

Inspections are about more than compliance, they’re about keeping your tenants, staff, and property safe. That means working with a partner who communicates clearly, does the job right, and isn’t afraid to dig deeper when something seems off.

What to look for:

• Honest, code-compliant assessments (not “just enough” to check a box)
• Willingness to explain findings and answer questions
• A reputation for catching what others miss

United Chimney has helped clients identify critical safety risks that other inspection companies overlooked. We don’t just check the box, we make sure you’re truly protected.

Final Thoughts: Choose the Team That Goes Deeper

If your building’s chimney system is due for inspection, don’t settle for a basic report. Choose a company that understands commercial systems, uses the latest tools, and delivers real insight.

Contact United Chimney today to schedule your inspection or request a sample report. Let’s show you what thorough, professional chimney inspections really look like.