Direct answer
Every page on DuctCleaning.ws, grouped by the question it answers rather than by publication date. If you are starting from scratch, the two pages worth reading first are whether you need this service at all and what it should cost. If you already have a quote in hand, start with the hiring and scams sections.
Start here
- DuctCleaning.ws home — the short version of the site’s position: most homes do not need routine duct cleaning, and the reasons why.
- Do I need duct cleaning? — the three conditions the U.S. Environmental Protection Agency (EPA) says justify the job, and a guided tool that walks you through them.
- Air duct cleaning cost — what the service costs, why published figures disagree, and which numbers are actually supported.
Costs
- Cost hub — the entry point for everything about duct cleaning pricing, including how we build our planning range.
- Air duct cleaning cost — the main cost guide: pricing models, what changes the number, and the difference between what homeowners report paying and what a full-scope quote asks.
- Duct cleaning cost calculator — enter your vent count and system count and get a range, with the assumptions shown alongside the result.
- Calculator methodology — every rate, multiplier, and assumption the calculator uses, and which ones are our own judgment rather than published data.
- Mold removal cost — why published mold figures span a twentyfold range, and what those numbers are actually measuring.
Do I need cleaning?
- Should you clean your ducts? — the hub for the decision itself, and the honest answer for most homes.
- Do I need duct cleaning? — a walkthrough of the conditions that justify cleaning and the common symptoms that do not.
- Is air duct cleaning worth it? — what you get for the money, and what the evidence does not support you getting.
- How often should air ducts be cleaned? — why EPA gives a condition rather than an interval, and where the popular schedules come from.
- Does duct cleaning reduce dust? — the specific question most homeowners are really asking, and what studies have and have not shown.
Mold and moisture
- Mold hub — moisture, biological growth, and duct systems, organized around what you can actually verify.
- Mold in air ducts — how to check a mold claim before paying for it, why visual inspection is not confirmation, and when insulation has to be replaced instead of cleaned.
- Air duct cleaning mold removal cost — the pricing side of the same problem, and why we refuse to publish a single tidy figure.
How it works
- How duct cleaning works — the hub for method and equipment, written for someone who wants to judge a company’s process description.
- The air duct cleaning process — what a full-system cleaning involves, step by step, including access openings and the components that are often skipped.
Hiring a professional
- Hiring a duct cleaner — the hub for choosing a company, comparing quotes, and knowing what to verify.
- NADCA certified duct cleaning — what certification from the National Air Duct Cleaners Association does and does not guarantee, and why the association warns about false membership claims.
- Questions to ask an air duct cleaning company — the specific questions that expose scope gaps in a quote before you sign it.
Scams
- Air duct cleaning scams — the documented enforcement record, the difference between fraud and merely aggressive selling, and the claims that circulate online without any source behind them.
Problems
- Duct cleaning problems — what can go wrong during and after a cleaning, including damage to flexible duct and services that get confused with cleaning.
Tools
- Tools and calculators — the hub for the interactive resources, with a plain description of what each one can and cannot tell you.
- Cost calculator — a planning range from your own vent and system count. Runs in your browser; no email address required.
- Calculator methodology — the arithmetic and the assumptions, published in full so the output can be argued with.
- Checklists — printable lists for inspecting your own system, screening a company, and reviewing completed work.
Reference
- Duct cleaning glossary — twenty terms defined once and used consistently across every page, with stable anchors for citation.
- Duct cleaning facts and figures — every figure we can trace to a named source, with its date and evidence strength, plus the claims we could not verify.
- Site index — this page.
About and policies
- About DuctCleaning.ws — what this site is, what it is not, and how it is funded.
- Editorial team — who writes this and how, including an honest account of the role AI tools play.
- Editorial policy — our source hierarchy, how claims are labeled, and what gets reviewed most often.
- Fact-checking policy — how a number earns its place on the site, with worked examples of checks that changed what we published.
- Corrections policy — how to report an error and how corrections are marked.
- Contact — what we can help with, and the two things we cannot do.
- Privacy policy — what the site collects today, which is very little, and what would change if that changes.
- Terms of use — the rules for using the site, in plain language.
- Disclaimer — the limits of what a publication can tell you about your own home.
- Affiliate disclosure — there are no affiliate links on the site today, and what will happen if that changes.