HK Air Duct Cleaning
Locally owned · Based in Beaver Dam, WI

Cleaner air,
honestly done.

We clean your whole HVAC system with a high-powered negative-air vacuum — done right, priced upfront, no surprises. Air ducts, dryer vents, and AC coils for homes and businesses across Dodge County.

5.0 Google rating 🏅 A+ BBB rated 🇺🇸 Since 2022
Google
5.0★
Avg. rating
🗣️
Verified
20+
5-star reviews
📍
Coverage
20+
Towns served
🇺🇸
Hometown
Local
Beaver Dam based
🏠
Residential
Whole-home
Supply, return & trunk lines
🔥
Safety
Dryer vents
Lower fire risk & dry times
❄️
New
AC coils
Cool better, run efficiently
🏢
Commercial
By sq ft
Transparent commercial pricing
What we do

Services

Commercial-grade equipment and an honest recommendation — for homes and businesses across Dodge County.

🏠

Residential Air Duct Cleaning

A complete cleaning of your full HVAC system — supply lines, return lines, and main trunk lines — using a high-powered negative-air vacuum, commercial-grade compressors, and agitation tools sized to your ducts.

🏢

Commercial Air Duct Cleaning

Offices, rentals, duplexes, and multi-unit buildings cleaned methodically, branch line by branch line. Transparent pricing scaled to your square footage, scheduled around your operations.

🔥

Dryer Vent Cleaning

A clogged dryer vent is a fire risk and makes your dryer work harder. We clear the full vent run so your clothes dry in one cycle and your dryer lasts longer.

⭐ Ask about the bundle
❄️

AC Coil Cleaning

Dirty evaporator and condenser coils make your A/C work overtime. We clean them so your system cools better, runs more efficiently, and lasts longer.

★ New service
💨

Air Duct Fogging Sanitation

An optional EPA-approved, hospital-grade, fragrance-free disinfectant applied by fogger while the system is under negative pressure — reaching microscopic contaminants without heavy residue.

🛠️

New-Construction & Post-Remodel

Drywall dust and sawdust settle deep in new and remodeled homes. We clear out construction debris so your space starts with genuinely clean air.

🎥

Camera Inspection & Footage

Want to see inside your ducts? Add on a camera inspection and we'll show you what's really in there. Recorded footage available on request.

+ Optional add-on
🛁

Bathroom Exhaust & Add-Ons

We can also clean bathroom exhaust fans and sanitize as part of a full-home visit — just ask and we'll bundle it into your quote.

HK Air Duct Cleaning on the jobHK on the job in Dodge County
Meet the owner

Hi, I'm Darwin.

I started HK Air Duct Cleaning right here in Beaver Dam back in 2022, and we've been keeping Dodge County homes and businesses breathing easier ever since.

We treat every home like our own — on time, shoe covers on, careful work, and a clean job site before we leave. And if your ducts don't actually need cleaning yet, we'll tell you. That's how we'd want to be treated, so that's how we do business.

— Darwin Lien, Owner

How we do it

A methodical, do-it-right process

The same professional process on every home and commercial job — with the right equipment, every step of the way.

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01

Protect & isolate

We protect heat exchangers, coils, blower motors, and electronics, and cover room vents before we start.

02

Negative-air vacuum

A high-powered vacuum puts the system under negative pressure so loosened debris has one way out.

03

Agitate & clean

Forward and reverse air whips and multi-head agitation tools scrub every branch line back to the trunk.

04

Sanitize (optional)

Hospital-grade, fragrance-free fog is dispersed through each vent for an added level of clean.

05

Seal & restore

Every access point is sealed with airtight caps or foil-taped sheet metal, and we clean up after ourselves.

Why neighbors choose HK

What you can count on, every job.

Four promises we stand behind on every single job:

💬

We quote it before we touch it

You get a clear price up front — no surprise "contamination" fees, no high-pressure add-ons halfway through.

🤝

We'll tell you if you don't need it

If your ducts are fine, we'll say so. We'd rather earn a customer for life than sell a cleaning you don't need.

👟

Shoe covers on, shop cleaned up

We treat your home like our own — covered shoes, careful work, and everything spotless before we go.

🛠️

The right machine for the job

Commercial negative-air vacuums and agitation tools — not a shop-vac and a brush. Done right the first time.

★★★★★
"Don't get taken in by all these duct cleaners out there. The job was done right, with the right equipment — and at a fair price."
— Rich D., Google review
Dryer vents

A clogged dryer vent costs you three ways.

~13,800

Fires a year. Failure to clean the vent is the #1 cause of dryer fires in U.S. homes.

2–3 cycles

Wasted energy. A blocked vent means clothes won't dry in one run — and your power bill climbs.

Early failure

A dead dryer. Trapped heat overworks the motor and burns out the appliance years early.

Warning signs: clothes take two cycles to dry, the dryer runs hot, or you smell something burning. Clearing the vent fixes all three — ask us to add it to your visit.

Where we work · Out of Beaver Dam, WI

Based in Beaver Dam, serving Dodge County & beyond

Beaver Dam (home base)WatertownFond du Lac ColumbusWaupunJuneau HoriconMayvilleMarkesanHartford
What neighbors say

5.0 stars on Google

Real reviews from real Dodge County customers.

★★★★★

"The owner himself performs the work and does a great job! He takes the time to explain the process. Our home smells cleaner and my allergies have really improved. I'll definitely be a repeat customer."

Pat C.
Google review
★★★★★

"Very impressed with the price for my full two-story house plus basement. With pets, it was shocking how dirty the ducts were — the difference was almost immediate. I'd recommend HK to everyone."

Joshua S.
Google review
★★★★★

"I could not believe the before-and-after pictures of my ductwork! So well priced and worth every penny. I've noticed a huge difference in dust reduction. I will use HK again."

Kayla K.
Google review
★★★★★

"Darwin cleaned all the heat vents, ducts, the dryer vent and bathroom exhaust fans, then sanitized — and even cleaned up after himself. Very professional and informative."

Beth G.
Google review
★★★★★

"New construction home with drywall dust everywhere. This is a very professional company and I would highly recommend them."

Tom S.
Google review
★★★★★

"Great communication, arrived on time, and cleaned up well afterwards. Very pleased with the job Darwin did. I would recommend HK."

Jeff K.
Google review
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Good to know

Frequently asked questions

How often should air ducts be cleaned?
Industry guidance (NADCA) suggests every 3–5 years, but it depends on pets, allergies, a recent remodel, or a new home where the previous owner smoked. We'll give you an honest assessment — and tell you if you don't need it yet.
What does it cost?
Residential pricing is based on the size of your system; commercial jobs are priced by square footage. Either way you get a clear quote before any work begins — no $49 bait-and-switch that balloons into hundreds.
Do you clean dryer vents and AC coils too?
Yes to both. Dryer vent cleaning lowers fire risk and helps clothes dry in one cycle, and AC coil cleaning helps your system cool better and run more efficiently. Both make great add-ons to a duct cleaning — just ask.
Can I see inside my ducts?
Absolutely — add on a camera inspection and we'll show you what's really in there. Recorded footage is available on request (it takes some editing time, so it's offered as an optional add-on rather than standard on every job).
Do you serve my town?
We're based in Beaver Dam and serve Watertown, Fond du Lac, Columbus, Waupun, Juneau, Horicon, Mayville, Markesan, Hartford, and the surrounding area. Nearby and not listed? Just call.
How do I pay, and is a deposit required?
A small deposit secures and schedules your appointment; the balance is due on completion. We accept cash, debit, credit, and check. (A 4% fee applies to credit-card payments — easily avoided with another method.)
Get in touch

Request your free quote

Call or text for the fastest response, or send a message and we'll get right back to you.

📞 920-557-7117

✉️ Quote@HKAirDuctCleaning.com

📍 Based in Beaver Dam, WI 53916 — serving Dodge County

🕒 By appointment, Mon–Sat

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Request a free quote

Tell us about your home and we'll get you an accurate quote.

📞 Tap to Call — 920-557-7117