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 $95 to $185 installed depending on your unit’s configuration and how much buildup has accumulated on the evaporator or condenser coils. We stock Nikro-compatible coil cleaning parts and chemicals on our trucks, so most jobs are done the same day we arrive. You’ll usually know something’s off when your AC runs longer than it used to, the air coming out of the vents isn’t as cold, or you notice a musty smell when the system kicks on. Coils fouled with Marietta’s pollen and humidity make your compressor work harder than it should, which shows up on your power bill long before the system actually fails.
Which Nikro Models This Applies To
We service the full Nikro coil cleaning range, from the compact hand-held units used on residential split systems to the larger cart-mounted sprayers that commercial techs run through rooftop package units. The most common Nikro machines we see in Marietta are the pressure-pump sprayers with interchangeable wand tips and the foaming applicators built for evaporator coil access in tight attic and closet air handlers. Here’s the compatibility detail most owners miss: Nikro sprayer wands use a specific thread pitch at the connection point, and a generic wand from a hardware store will either leak under pressure or strip the threads on your pump head. If you’re ordering a replacement wand, check the stamped number on the base of your existing one before you buy. On the chemical side, Nikro-formulated coil cleaners are pH-balanced for aluminum fins, whereas some cheap aftermarket cleaners run too acidic and can etch the coil surface over repeated cleanings. For Marietta’s high-pollen summers, we typically recommend the foaming cleaner for evaporator coils since it dwells longer and breaks down the organic crud that our oak and pine seasons leave behind.
Styles & brands we work with




Signs Your Nikro Coil Cleaning Is Failing
- Weak spray pressure or pulsing output: This usually means the internal seals on the pump are wearing or there’s an air leak at a fitting. You’ll notice the spray pattern breaks apart instead of staying full and even, and the tank loses prime between uses.
- Chemical leaking around the wand base: The O-ring at the wand connection degrades from exposure to cleaning agents and Marietta’s summer heat. A steady drip while you’re working means that ring has flattened out and needs replacing.
- Foam comes out thin and runny: Nikro foamers use a venturi to aerate the chemical as it passes through the nozzle. When that venturi gets clogged with dried residue, you lose the foam structure and the cleaner slides off the coil before it can dwell and do the work.
- Pump motor runs but no fluid moves: This almost always traces to a clogged pickup tube screen or a stuck check valve inside the pump head. It’s fixable, but it means the unit hasn’t been flushed with clean water after the last job.
- Pressure gauge reading erratically: If your Nikro unit has a gauge and the needle jumps around during operation, you’ve got cavitation happening inside the pump, usually from a kinked supply line or a partially blocked intake. Running it this way accelerates seal wear.
See the difference
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After
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Before
AfterReplacement Cost & What’s Included
For most Nikro coil cleaning setups in Marietta, you’ll spend between $95 and $185 for a complete on-site service and replacement of the failed component. That covers the part itself, the labor to swap it and test it, and a full flush of the system to prevent the same failure from recurring. Where your job falls in that range depends on what’s failed: a wand O-ring or spray tip is a quick parts-and-labor fix at the lower end, while a replacement pump head or full wand assembly pushes toward the higher end. We give you one flat price in writing before any work starts, so the number we quote is the number you pay, with no parts added on after the fact. All our coil cleaning replacement work carries the same 365-Day Done Right Promise as every other Kestrel job: if the part fails or the repair doesn’t hold within the year, we come back and make it right at no charge. That’s not a verbal promise. It’s written on your invoice.
DIY or Call Us?
Here’s what you can safely do yourself before calling us: flush the tank with clean water after every use, check the pickup screen for debris, and inspect the wand O-ring visually. If you see a flattened or cracked ring, that’s a five-minute part swap you can handle at your workbench. Where DIY goes wrong is anything involving the pump head itself. Nikro pumps run coil cleaner through seals and check valves that have to be seated correctly or the unit will either lose pressure or spray chemical back toward you. Coil cleaning chemicals are also not something you want to improvise around. We’ve seen owners try to “rebuild” a Nikro pump with generic hardware-store O-rings and end up with a unit that leaks chemical all over the utility room floor. If your pump is pulsing, leaking internally, or not building pressure, call us at (762) 533-6494 and let us get it sorted before a small seal failure becomes a full pump replacement.
FAQs
With proper flushing after each use and annual O-ring replacement, a Nikro coil cleaning unit in Marietta should give you eight to twelve years of service. The Georgia heat and humidity take a toll on seals and chemical stability, so units stored in unconditioned garages or van bodies will age out sooner than those kept indoors. If yours is over a decade old and starting to leak at multiple points, replacement parts and labor are usually the smarter spend over patchwork repairs. Call (762) 533-6494 and we’ll give you an honest assessment.
Yes, most Nikro pump failures are repairable with a seal kit and a good internal cleaning. The situations where repair doesn’t make sense are when the pump housing is cracked, the motor itself has failed, or the repair cost is within $50 of a full replacement unit. We’ll tell you which side of that line you’re on before any work starts.
Most Nikro coil cleaning repairs in Marietta take 45 to 90 minutes on site, including testing the unit under pressure before we leave. If we have to order a specific Nikro part that isn’t on our truck, we’ll tell you that at the time of the quote and coordinate the return trip so you’re not waiting around wondering where your equipment is.
Yes, we keep common Nikro replacement components on our trucks: wand O-rings, spray tips, check valves, pickup screens, and full wand assemblies for the residential units we see most often in Marietta. We also stock parts for Lennox, Trane, and Carrier coil cleaning setups when a job calls for it. If we have the part with us, the repair happens in one visit. If we don’t, we’ll tell you that up front and get the part ordered before we schedule your appointment.
If your Nikro coil cleaning unit is down and your AC service calls are backing up, don’t wait until the Georgia summer turns your truck into a sauna. We answer the phone with a live person, we show up in the window we gave you, and the price we quote is the price you pay. Clean ducts, straight answers, price up front – that’s the whole deal. Call (762) 533-6494 for a free estimate on your Nikro coil cleaning repair.
Written by Dale Whitmore, Owner, Kestrel Air Duct Marietta at Kestrel Air Duct Marietta, serving Marietta and nearby areas.