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The Qualified Air Duct Cleaners Affiliation - Duct Cleaning Companies You Can Trust

11/09/2026

Hiring a stranger to work in your home shouldn't feel like a gamble. But here's something most homeowners don't know: duct cleaning has no government license, no required training, and no journeyman certification. Anyone with a shop vac and a website can start tomorrow.

That's why the safest move before you book isn't a price quote. It's a 60-second check on a live directory.

If a company is displaying our QUADCA badge, verify them on the official Qualified Air Duct Cleaners Affiliation (QUADCA) member directory before you sign anything. A logo on a van does not equal a credential.

Three questions to ask first:

Do you clean the furnace blower and coils, or only the duct runs?

Can I verify your certification on QUADCA's directory right now?

What equipment do you use, and what CFM does it generate?

A QUALIFIED company answers all three without hesitation.

Verify a company here: https://quadca.org

11/06/2026

Did you know anyone can start an air duct cleaning company tomorrow with zero license, no training, and no journeyman requirement?

The air duct cleaning industry is completely unregulated. That means the burden of vetting contractors falls entirely on you, the homeowner. Even Google reviews can be manipulated, so a five-star rating is not proof of professional standards.

That is exactly why we founded the Qualified Air Duct Cleaners Affiliation (QUADCA). We provide a trusted standard where official government guidelines do not exist.

Before you book any contractor, ask these three questions:

1. Do you clean the entire heating and cooling system, including the furnace blower and coils, or is this just a basic ducts-only sweep?

2. What specific negative air pressure and CFM capabilities does your equipment have?

3. Can I verify your company's credentials on a live, third-party directory?

A professional service must address the FULL HVAC system. Otherwise your freshly cleaned ducts get re-contaminated the moment the furnace turns back on.

We verify our members against strict standards for equipment, knowledge, and customer care so you do not have to guess. Check member credentials and find a QUALIFIED professional in your area at https://quadca.com

11/04/2026

You booked a duct cleaning. Did they touch the blower?

If the answer is no, you didn't get your full system cleaned. You got the ducts vacuumed. There's a real difference, and almost no homeowner is told about it before they sign.

Ducts only means the supply and return runs, the registers, maybe the main trunk line. Then the crew packs up. A full system cleaning includes every component the air actually passes through: the blower motor and blower wheel, the evaporator and reheat coils, the heat exchanger, and the return drop, in addition to the ducts.

Air duct cleaning is an unregulated industry in most of North America. No one checks a license at the curb. Two trucks can pull into your driveway, charge similar prices, and leave with completely different jobs done.

At Qualified Air Duct Cleaners Affiliation (QUADCA), full system cleaning is a verification requirement. Leaving a contaminated blower wheel and coil behind is not a complete job by our standards.

Before you book, ask three questions:

- Will you clean the blower motor and blower wheel?
- Will you access and clean the evaporator coil and heat exchanger?
- Can I see photos of these components before and after?

If a contractor can't say yes to the first two, you're paying for ducts only. Verify your contractor against the official QUADCA member directory before you sign anything.

https://quadca.org

11/02/2026

Hiring a stranger to work inside your home shouldn't feel like a gamble. But here's something most homeowners never hear: air duct cleaning is completely unregulated.

No government license. No mandated training. No journeyman requirements. The company you hired last year and the one quoting you tomorrow sit in the same regulatory category: none.

A polished website, a wrapped van, and a friendly phone manner can all exist without a single verified standard behind them. Professional appearance is not the same as professional capability.

That gap is exactly why the Qualified Air Duct Cleaners Affiliation (QUADCA) exists. We set the standards the industry does not require on its own, then verify that member companies meet them.

Before you book any duct or furnace cleaning, ask three direct questions:

Are you a verified QUADCA member, and can I find your listing in the official directory?

Does your service cover the full system, the supply and return ducts plus the furnace blower, coil, and plenum, or only the ducts?

What equipment do you bring on site to create negative pressure across the system, and what is its CFM rating?

If the answers are vague, or the company is not in our directory, keep looking. Verify any company claiming QUADCA membership against the official list here: https://quadca.org/find-a-member/

10/30/2026

Hiring someone to clean your furnace and ducts shouldn't feel like a gamble. But air duct cleaning is an unregulated industry, which means a company quoting you $99 can define the job however they want and walk away leaving the dirtiest parts of your system untouched.

A complete furnace and duct cleaning covers six components:

Furnace blower
Reheat coils
Heat exchanger
Air conditioning coils
All air duct runs
Dryer vent

Skip the blower or the coils, and the debris sitting in those parts recirculates the moment your system kicks on. Your "freshly cleaned" ducts are dirty again within months.

Before you book, ask the contractor two questions:

1. Will you remove and clean the furnace blower?
2. Will you clean the reheat coils, heat exchanger, and AC coils, not just the duct runs?

If the answer is no, the job is not finished.

The Qualified Air Duct Cleaners Affiliation (QUADCA) verifies member companies against a defined scope of cleaning. Before anyone steps into your home, confirm their QUADCA membership in our official directory: https://quadca.org

10/28/2026

They cleaned your ducts. Nobody touched the blower.

That is how most "air duct cleaning" jobs end at homes across the country. The vents look fresh, the invoice gets paid, and the dirtiest part of your system keeps spinning untouched behind the furnace door.

A proper cleaning is not just the ducts. It covers the blower, the heat exchanger, the reheat coils, and the AC coils. Every one of those surfaces collects debris that gets pushed right back into the air your family breathes.

Before you hire anyone, ask three questions:

Will you clean the blower, heat exchanger, and AC coils, or only the ducts?
What equipment will you bring on site, and what CFM will you pull?
Are you a verified member of the Qualified Air Duct Cleaners Affiliation (QUADCA)?

QUADCA members agree to a defined scope of work that includes the full furnace, not just the runs leading to it. You can verify any company claiming membership against our official directory before they ever step into your home.

Find a verified cleaner: https://quadca.org

10/26/2026

A company can buy a shop vac, print business cards, and call itself a professional duct cleaner by tomorrow morning. No government agency will stop them.

The duct cleaning industry has ZERO federal regulation, no mandated training, and no journeyman programs. Anyone can enter the market and claim expertise without a single hour of verified instruction.

That is exactly why the Qualified Air Duct Cleaners Affiliation (QUADCA) exists. Before a company can use the QUADCA name, it has to pass a three-point verification covering equipment, knowledge, and customer care. Not a sticker. Not a paid logo. A documented audit.

If you are a homeowner or property manager vetting a contractor, ask three questions before you sign anything. Are they a verified QUADCA member, and can they show you their member profile? What standards do they follow for equipment and procedure? Does their scope include the full system, including the blower, coils, and plenum, or only the duct runs?

Then verify the answer yourself. Every legitimate QUADCA member is listed in our official directory. If a company displays the logo but is not in the directory, that is your answer.

Find a verified member here: https://quadca.org/find-a-member/

10/23/2026

Air duct cleaning is one of the few home services with no licensing requirement and no mandatory training. Anyone with a van and a vacuum can call themselves a professional.

So how do you tell a QUALIFIED cleaner from someone who will overcharge you for a partial job?

Three questions to ask before you book. Each one maps to a standard QUADCA verifies before a company earns membership.

First: What equipment do you use? The right tools separate a real duct cleaning from a glorified vacuum job.

Second: Will you clean the furnace components, not just the ducts? A full system clean includes the blower and coils, not only the duct runs.

Third: What does your process look like from quote to walkthrough? Customer care shows up in how a company communicates, not just how they clean.

Skip the guesswork. Verify any cleaner against our member directory: https://quadca.com

10/21/2026

A duct cleaning company quoted a homeowner $199. They cleaned the ducts. They left the blower caked with years of debris.

Within weeks, the "cleaned" ducts were re-contaminated. Every time the system kicks on, the blower pushes that same buildup right back through the house.

Here is what most homeowners are not told: air duct cleaning is an unregulated industry. Two companies can both call their service "duct cleaning," charge the same price, and deliver completely different jobs.

Before you compare quotes, ask one question. Does your service include the blower, coils, and heat exchanger, or only the duct runs? If the answer is vague, that quote is not comparable to a full-system clean.

Qualified Air Duct Cleaners Affiliation (QUADCA) members are required to clean all furnace components. Blower. Reheat coils. AC coils. Heat exchanger. Not just the ducts. It is a verification standard, not an upsell.

Find a verified member in your area before you book: https://quadca.com

10/19/2026

Here's something most homeowners don't realize: no government body licenses air duct cleaners. No exam. No mandated training. No oversight.

That means the most important part of hiring a duct cleaner happens before they ever pull into your driveway. It happens on the phone, when you ask the right questions.

Three questions map directly to QUADCA's verification criteria, equipment, knowledge, and customer care:

1. What equipment do you use? A shop vac can't generate the negative air pressure needed to actually pull debris out of your ductwork. Listen for truck-mounted or high-CFM portable systems.

2. What does your clean include? A "ducts-only" answer is a red flag. A full system clean covers the blower, coils, and furnace components, not just vents and registers.

3. Can I verify your credentials? Ask for a membership number you can look up, not just a logo on a website.

The right company will welcome every one of these questions.

Verify a QUADCA member in your area here: https://quadca.com

Address

Washington D.C., DC

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

+12029367575

Website

http://quadca.com/

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