Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable HVAC Cleaning Across Union Hill-Novelty Hill
HVAC cleaning in Union Hill-Novelty Hill means removing the cedar duff, pollen, and woodsmoke particulate that collect in air handlers, coils, and duct runs on these larger wooded lots. That’s different from a quick register vacuum. A full system clean for a typical Union Hill-Novelty Hill home runs $425 – $680, and you’ll see before-and-after photos of your own ducts before we leave. Call (737) 727-2314 to talk through your system.
We know this area. Most homes here sit on wells and septic, with air handlers that run longer because those systems pull from the outdoors longer. That’s not a generic observation, it’s what we see on 238th Ave NE, along Union Hill Road, and off Novelty Hill Road every week. The grime in your ducts is seasonal outdoor debris, not just indoor dust. So our HVAC Cleaning team starts at the air handler, not the registers.
Why Cardinal Air Duct Cleaning Is Union Hill-Novelty Hill’s Preferred HVAC Cleaning Company
Homeowners in Union Hill-Novelty Hill keep calling us back because we show up with a written price before any tool comes off the truck. Not an estimate-by-vibes after we’re already inside. A written number, per system, agreed before work starts. That does not change at the door.
Omar Haddad leads our team, and he’s built the operation around a simple rule: you should know who’s coming, what they’ll do, what it costs, and what came out of your ducts when they’re done. Our technicians are background-checked and uniformed. Their names are on your booking before they arrive. We run Rotobrush brush systems, Nikro HEPA vacuums, and Abatement Technologies containment units, the same professional-grade gear you’d want on a cedar-heavy system that’s been pulling outdoor particulate for years.
We’re part of the Relay Home Co. family, founded 2005, and held to the Relay Standard. That means a live trackable arrival window, photo documentation of your job, and a digital invoice you can pay from your phone. Every job also falls under the 365-Day Done Right Promise: if the work isn’t right within a full year, we return and fix it at no charge.
Evaporator Coil Cleaning in Union Hill-Novelty Hill
Evaporator coil cleaning in Union Hill-Novelty Hill typically runs $180 – $320 as part of a full HVAC cleaning, and it’s the single highest-impact step for a system that’s short-cycling or struggling to hold temperature. The evaporator coil sits inside your air handler. It’s the cold surface that pulls heat and humidity out of your air. On wooded lots here, that coil collects a fine film of pollen, cedar dust, and fireplace smoke residue. That film insulates the coil, so your system runs longer to hit the same set point. A dirty coil is why your July and August electric bill climbs while your upstairs stays warm.
What We Actually Do
We open the air handler, inspect the coil with a camera, then clean it with coil-safe solutions and fin combs where needed. We don’t blast it with a pressure washer. That bends fins and wrecks airflow. The goal is full surface contact so the coil can exchange heat the way it did when it was new.
When To Schedule It
If you haven’t had the coil cleaned in three or more years, and you live on a lot with Doug firs or cedars close to the house, expect buildup. Annual coil cleaning is not too often for these systems. It’s honestly what keeps a heat pump alive past year ten.
AC Duct Cleaning in Union Hill-Novelty Hill
AC duct cleaning in Union Hill-Novelty Hill costs $425 – $680 for a full system with one air handler, and that’s a flat per-system price, never per-vent. Older homes off 238th Ave NE often have one main return that’s been pulling unfiltered air through a loose grille for years. What we find in those returns is always the same: cedar duff, pollen, and a fine gray powder that’s part fireplace ash, part breakdown of the duct liner itself.
Source Removal, Not Register Vacuuming
We run the Rotobrush system under negative pressure. That means the loosened debris goes straight into the Nikro HEPA vacuum, not back into your living room. On newer, well-sealed builds in Union Hill-Novelty Hill, that matters. Tight homes trap whatever gets stirred up. If a crew is only vacuuming registers without negative pressure, they’re moving dirt around, not removing it.
What It Fixes
You’ll notice less dust on surfaces, a cleaner smell when the system kicks on, and in some homes, better airflow to the far bedrooms. In a cedar-shaded house on 238th Ave NE, we found the return plenum packed with duff drawn in through a loose filter grille. After source removal, the heat pump stopped short-cycling and the woodsmoke smell was gone.
Trusted Brands We Service in Union Hill-Novelty Hill
We service and clean systems built around Aprilaire filtration, Honeywell controls, and heat pumps paired with Guardsman-rated filters. Our techs keep coil cleaner and fin combs on the truck sized for the evaporators we see most in Union Hill-Novelty Hill, so there’s no second trip for parts. If your system uses a specialty Aprilaire media cabinet, we can clean and reseat the housing while we’re in there. That’s the kind of local-stocking detail that saves you a week of waiting.
Common HVAC Cleaning Problems We See in Union Hill-Novelty Hill Homes
- Cedar duff and pollen packed in the return plenum. Loose filter grilles on older homes let outdoor particulate bypass the filter entirely. The return becomes a collection point, and your system breathes through a wall of duff.
- Woodsmoke residue binding to the evaporator coil. Homes with fireplaces or wood stoves here put fine smoke particulate through the return air. That residue mixes with coil condensation and bakes on over a season.
- Short cycling from restricted airflow. We see it on big custom homes off Union Hill Road and Novelty Hill Road where one air handler is doing the work of two. The blower strains, the coil freezes in summer, and the system shuts down early.
- Well-water minerals on the condensate side. It’s not common, but on homes with high-iron well water, condensate lines can scale and slow drainage. We check the line while we’re at the air handler.
Pricing for HVAC Cleaning in Union Hill-Novelty Hill, WA
A full HVAC cleaning in Union Hill-Novelty Hill, with evaporator coil cleaning included, runs $425 – $680 for a single-system home. Larger homes with two air handlers or long duct runs on oversized lots usually land between $650 and $900. You get one flat price per system, in writing, before we start. No per-vent math. No add-on at the door. If you want just the coil done, that’s $180 – $320 depending on access and how much buildup we’re removing. Call (737) 727-2314 for a free estimate, and we’ll give you the number over the phone based on your square footage and system type.
We Also Serve Cities Near Union Hill-Novelty Hill
Our Union Hill-Novelty Hill customers often ask if we go further out. We do. We take HVAC cleaning bookings in Seattle, Spokane, Tacoma, and Vancouver, and we coordinate scheduling from one office so you’re not explaining your system twice. Same flat per-system price, same written quote before work starts.
Serving Union Hill-Novelty Hill, WA - Our Local Coverage Area
We’re based in the Union Hill-Novelty Hill area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Cleaning in Union Hill-Novelty Hill
We charge by the system, one flat price, never per vent. On the large custom homes off Union Hill Road and 238th, per-vent pricing would punish you for your floor plan, not for the dirt. Your written quote is per system, agreed before we start.
On a wooded lot with cedars and Doug firs near the house, every two to three years is realistic. If you burn wood regularly or leave windows open through pollen season, annual cleaning is not overkill. If your return grille has a proper filter that’s changed every 90 days and your lot is open and grassy, you can go longer. We’ll tell you honestly, even if the answer is that you don’t need us yet. Call (737) 727-2314 and we’ll walk through your setup.
Yes. Every job includes before-and-after photos of your ducts, taken with our inspection camera, and you get them before we pack up. On a recent job off 238th Ave NE, the homeowner saw the cedar duff packed in the return plenum before we started and a clean plenum after. That’s the Relay Standard, it’s not optional.
Always. The Rotobrush agitation tools run under negative pressure with a Nikro HEPA vacuum pulling the loosened debris out. Without negative pressure, fine outdoor particulate like pollen and woodsmoke residue gets stirred into your living space instead of captured. In tight, well-sealed newer builds, that’s a real risk. We don’t run brush tools without the vacuum pulling.
Sometimes, but it depends on the schedule and how many jobs are already booked. HVAC cleaning is a scheduled job, not an emergency. What we won’t do is rush a crew to your house with the wrong gear just to hit a same-day promise. Call (737) 727-2314 and we’ll give you the next realistic slot, often within a few days.
Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving Union Hill-Novelty Hill with written pricing and before-and-after proof on every job.




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