Your system passes inspection — or we fix it free.
Your facility is the one standing in front of the inspector. You get a dust collection system engineered to meet OSHA and NFPA 660 before install ever starts — and if it doesn’t pass, we fix it at our cost, not yours.
What this guarantee means for you
You’ve probably been handed a system before and left to hope it holds up when the inspector arrives. Here you get the opposite. We carry the compliance risk — we design it, we engineer it, we spec every component, and once your project is paid in full, if the system we designed doesn’t pass your OSHA or NFPA 660 inspection, we make it right at zero cost to you.
This isn’t fine print. We operate this way because the company that designs the system should own the outcome, not the facility writing the check. Want to see how the rest of the industry handles it? Read what we found mystery shopping other dust collection companies.
The short version: if it doesn’t pass, you don’t pay to fix it. We do.
The standards your system has to meet
NFPA 660
Your combustible dust falls under the consolidated standard that’s been in force since January 1, 2026. It covers dust hazard analysis, system design, explosion protection, housekeeping, and ongoing management. See where you stand with the NFPA 660 checklist, or read NFPA 660 explained.
OSHA
Your airborne particulate exposure limits (PELs), the general duty clause, and the combustible dust National Emphasis Program all apply to your facility. Your system gets designed to keep you on the right side of every one. Here’s what OSHA looks for in a dust inspection.
The legacy standards
NFPA 652, 484, and 664 are now consolidated under 660 — here’s what actually changed. Your design also accounts for local fire marshal requirements and the stipulations your insurance carrier puts on you.
What happens before you ever get a number
The guarantee holds because the hard work happens before a wrench ever turns. Your project follows the same engineered path every time — no shortcuts, no guessing.
Dust hazard analysis (DHA)
You start with lab-tested DHA on your actual materials — real data, not assumptions. Knowing your dust’s Kst value and explosion severity drives every design decision after it. If your current setup turns up problems, here’s the fix-it roadmap for a failed DHA, and what a DHA costs.
Engineered system design
You get full engineering drawings, airflow calculations, duct sizing, collector specs, and explosion protection requirements — all built from your DHA results and your facility layout. Every component is spec’d to meet compliance before a dollar is quoted.
Equipment matched to the spec
Your collectors, ductwork, and explosion venting, spark detection, and suppression are sourced to match the engineering — not whatever’s cheapest or fastest to get. Every piece has a compliance reason for being there. Need the pillar? See combustible dust collectors.
Installation overseen against the drawings
Whether our installation partners or your own crew handle the work, the install is managed against the engineered drawings with field verification at key milestones — not a surprise check at the end.
Verification and documentation
Before your project is called complete, the system is verified against OSHA and NFPA 660 — and you get DHA reports, engineering specs, equipment certifications, and inspection-ready paperwork. When the inspector arrives, you’re prepared.
Compliance-guaranteed systems typically run $60,000 to $500,000+ depending on facility size and hazard class. Want to spread it out? See your financing options, or get the full breakdown in the 2026 dust collection cost guide.
If your inspection turns up a problem
Inspections aren’t always simple, and you deserve a straight answer about that. Inspectors interpret codes differently, jurisdictions add their own requirements, and a fire marshal sometimes wants something beyond the published standard.
Here’s the commitment to you: if an inspector flags any part of a system we designed and specified, we address it — re-engineering a section, adding a component, modifying ductwork, whatever it takes to get you to a passing inspection. We handle it and we pay for it.
You won’t get an argument about whose fault it is, and you won’t get a change order. It gets fixed, because that’s the guarantee.
A couple of things to know: the guarantee covers the system we design and specify, and it becomes active once your project is paid in full. Changes made after install without our involvement, or process changes that alter your dust generation, fall outside the original scope — we’re glad to help with those too, handled as a separate project.
What a compliant system gives you
NFPA 660 exists because combustible dust incidents are preventable with properly designed collection and protection. The challenge for you isn’t knowing compliance matters — it’s knowing whether the system you’re paying for will actually meet the standard. That’s the gap this guarantee closes.
You shouldn’t have to become a dust collection engineer to trust that your facility is protected. That part is our job — the guarantee just holds us to it.
What you walk away with
- → Clean inspections with OSHA and your fire marshal
- → A documented DHA meeting NFPA 660
- → Collection sized to your real dust loads
- → Explosion protection matched to your hazard class
- → Worker exposure within permissible limits
- → Your insurance carrier satisfied with your controls
- → An inspection-ready documentation package
Questions you might have
What inspections does the guarantee cover?
OSHA compliance inspections, fire marshal inspections tied to dust collection and combustible dust hazards, and any inspection tied to NFPA 660 (or its predecessors 652, 484, 664). If an inspector evaluates the system we designed and it doesn’t meet the applicable standard, we address it at no additional cost to you.
Is there a time limit on it?
It applies to the compliance inspection of the system as we designed and installed it — whether your first inspection is three months or twelve months out. What it doesn’t cover indefinitely is normal wear and tear; filters and components need upkeep. We offer ongoing service plans, and many of our installation partners handle it locally.
What if we modify the system after install?
If your team or another contractor changes the system — adding branches, removing components, rerouting ductwork — that falls outside the original design scope. We’re glad to evaluate changes and bring things back into compliance as a separate project. Simplest path: call us before making changes so we can advise on the impact.
Does it cover systems you didn’t design?
No. It applies only to systems we design, engineer, and specify from the ground up. We can evaluate an existing system and recommend upgrades — and those upgrades carry their own guarantee — but we can’t guarantee work someone else designed before we were involved.
How is this different from a warranty?
An equipment warranty covers manufacturing defects — a motor fails, a housing cracks — between you and the manufacturer. This guarantee covers design compliance: whether the engineered solution (airflow, duct sizing, collector capacity, explosion protection) satisfies OSHA and NFPA at inspection. Two different things, and most companies only offer the first.
What keeps the guarantee valid on your end?
Final payment activates it. After that, run the system as designed and follow the maintenance schedule we provide — run the collector during production, replace filters on schedule, keep blast gates in their designed positions, and check with us before modifying anything. You get clear maintenance documentation so there’s no guesswork. Need service? Submit a maintenance request.
Is it in writing?
Yes. It’s documented in your project agreement with clear terms, so both sides know exactly what’s covered. It activates once your project is paid in full — a contractual commitment, not a verbal promise.
Tell us about your facility. You’ll get a straight read on where you stand and what it takes — no pressure, no runaround.
Ready to know exactly where your facility stands?
Get a straight read on your compliance gap, what a system takes, and the number behind it — before anyone asks you to commit to anything.
Serving manufacturing facilities across Arizona, California, Nevada, New Mexico & Utah. Call 602-456-9661.