Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Nikro Coil Cleaning: The Marietta Owner’s Guide
Nikro coil cleaning in Marietta typically runs $180 – $340 for a full evaporator and condenser coil service, and we stock Nikro-compatible cleaning solutions and tools on our trucks for same-visit turnaround in most east Cobb County homes. Most owners find us the same way: the system’s blowing warm, the coil looks like a gray felt blanket, and the unit’s short-cycling every twelve minutes. That’s not a freon problem in most Marietta homes we open up. It’s a coil that hasn’t breathed in three or four Georgia summers.
Here’s the short version. Nikro equipment is built to be serviceable, and the coil cleaning side of that equation is no different. We carry the correct dilution-rated alkaline and acid-based solutions Nikro specifies for their evaporator and condenser coils, plus the right low-pressure rinse gear so fins don’t fold over. If you’re holding a Nikro manual and the coil part numbers are worn off, we can usually match it by line set size and fin count in about ten minutes. Call (912) 405-8840 and tell whoever answers that Marcus or one of the crew needs to see a photo of the coil first. Save yourself a trip.
Which Nikro Models This Applies To
Nikro’s coil cleaning gear spans their portable and truck-mounted air duct and coil cleaning platforms. The compatibility question comes down to which coil interface your unit uses. Nikro’s VP series and their older AQ line both use standard 3/8-inch and 1/2-inch quick-connect chemical feed lines, but the oiler-to-coil spray wand threads differ between generations. If you pull the wand off and the threads are fine pitch on a brass collar, you’ve got a second-gen. Coarse pitch, stainless collar, first-gen. We stock both wand types on the truck.
For the chemicals themselves, Nikro specifies their own Coil-Brite alkaline cleaner for condenser coils and a separate Nu-Brite style acid blend for evaporators. The aftermarket equivalents work, but we’ve seen cheaper alkaline mixes leave a white phosphate haze on Georgia clay-dust coated coils, and that haze bonds with the dust and becomes harder to remove than the original fouling. OEM Nikro solution costs about $15 – $25 more per jug. For coils in Marietta homes near the Chattahoochee floodplain where humidity hangs higher, we always recommend OEM. The coil sees enough stress without a chemistry experiment.
Styles & brands we work with




Signs Your Nikro Coil Cleaning Is Failing
- System runs but airflow at the register is weak. The blower’s doing its job, but the coil’s blocked. Air can’t move through the fin matrix, so the supply side feels like someone put a pillow over the vent. Static pressure climbs and the ECM motor strains against it.
- Delta T is under 14 degrees. Surface temperature in minus supply temperature out. If it’s less than 14, the coil isn’t transferring heat. In Kennesaw-area ranch houses with long duct runs, we see this a lot because the coil’s been fouling for years before anyone checks airflow, not just temperature.
- Evaporator coil is icing on an 80-degree Marietta afternoon. That’s not low refrigerant. It’s a frozen layer of air-starved coil. The coil can’t get warm return air across it, so condensation freezes, and now you’ve got a block of ice expanding the fin gaps.
- Condensate drain is running constantly or the pan’s overflowing. A dirty coil passes condensation wrong. Water droplets blow off the coil instead of draining down the fins into the pan. You get wet insulation, rust on the pan, and eventually a water stain on the ceiling below a second-floor unit.
- The coil cleaner chemical smell lingers after a professional cleaning. If a previous company used too-heavy dilution and didn’t rinse completely, the acidic film keeps off-gassing. That film also keeps eating at the copper- aluminum interface. Not a coil killer on day one, but it shortens a coil’s life a real amount.
See the difference
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After
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AfterReplacement Cost & What’s Included
For the chemical delivery portion of Nikro coil cleaning – pump rebuild, seal replacement, wand and tip match – Marietta homeowners should expect $120 – $260 installed. For the actual coil cleaning service itself using Nikro-compatible solutions and our pressure-controlled rinse process, a full evap and condenser job runs $180 – $340. The range exists because coil depth and access vary. A Trane condenser with the coil buried behind a hailstorm-damaged cage takes longer than a bare Nikro-style A-coil sitting in an open basement.
Every quote is written before we start. No per-vent pricing, no surprise line items. You’ll see the line for the coil cleaning chemical, the line for whatever replacement part your Nikro needs, and the labor to put it in. If the part fails inside 365 days, Marcus and the crew come back at no charge. That’s the 365-Day Done Right Promise, and it’s on paper on every job we run in Marietta.
DIY or Call Us?
You can safely check coil condition yourself. Kill power at the breaker, pull the access panel, and look at the entering air side of the evaporator. If you see a gray mat of hair, dust, and Georgia pollen, the coil needs cleaning. If the fins are folded flat or the tube sheets are corroded, that’s a replacement conversation, not a chemical one. Anything past that – mixing concentrated alkaline coil cleaner, directing high-pressure water at aluminum fins, rebuilding a chemical feed pump – that’s where we see homeowners fold fins over, burn skin with coil cleaner, and occasionally cross chemical streams that off-gas some nastiness. Nikro’s own training materials emphasize PPE and ventilation for a reason.
Tell me what’s in the system before you tell me what it costs to fix it. That’s the rule around here. Send us photos, or better yet, call (912) 405-8840 and we’ll have a live person look at your info while you’re on the phone. No automated loops. You’ll get a straight answer on whether your Nikro part can be swapped same-day or ordered overnight.
FAQs
A proper Nikro-spec coil cleaning on a Georgia system should hold 12 – 18 months before efficiency drops more than a couple percent. Homes near Kennesaw Mountain with heavy tree cover and no media cabinet will see build-up faster, sometimes 8 – 10 months. The coil’s job is to collect airborne stuff, so in Marietta’s pollen-heavy spring, some level of fouling is unavoidable. The key is cleaning before the buildup bakes into the fin matrix. Call (912) 405-8840 if you want a realistic interval for your house, not a generic one.
Depends what failed. Chemical feed pump seals, wand tips, and quick-connect fittings are all repairable on most Nikro units. If the chemical delivery pump housing is cracked, that’s a replacement part. If the wand body is corroded through, that’s also a replacement. We always show you the failed part and explain the repair-replace call before writing up the ticket.
Most pump, seal, and wand replacements on Nikro gear take 45 – 90 minutes on site, including tool cleanup and a quick system check. If we have the part on the truck, it’s done in one visit. If it’s a less common Nikro component, we order overnight and schedule the install for the next day.
We stock Nikro-compatible coil cleaning parts as well as parts for Lennox, Trane, and Carrier systems. Nikro is the equipment we actually use in the field, so we know their gear from the operator side, not just a catalog page. If you’re not sure what you need, call us at (912) 405-8840 and we’ll identify it from photos or a model serial.
Written by Marcus Veale, Owner, Linden Air Duct Marietta at Linden Air Duct Marietta, serving Marietta and nearby areas.