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A dirty AC coil traps heat in the outdoor unit. That cooks the capacitor, drives pressure up and can make the system short cycle, three problems that can end in a replacement if the coil never gets cleaned.
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Licensed and insuredVirginia Class A contractor #2705192276
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In a leafy yard, a SwiftPro tech in glasses and a black polo stands next to an outdoor AC unit with its top off and shows off a dirty coil he found that day.
He walks through the damage: a capacitor that overheats and fails, high pressure on the refrigerant side, and a system that starts short cycling, turning on and off over and over. His plan is to pull the top and fan and clean the coil out from the inside.
He also gives homeowners a fair tip. With the power off, a gentle rinse from the garden hose helps between yearly professional cleanings.
This is Diego with SwiftPro. So, this is an example of a dirty coil that we have found today. What are some things that happen when you have a dirty coil? One, a capacitor could fail, could overheat, could to potential damage to your compressor.
Another thing, you can have high pressure. That means your refrigerant is just so much debris that can cause and affect a lot of things in the system. Your system starts short-cycling. That could be a potential damage on your system.
It's turning on and on on and off because of these dirty coils. If you don't clean these coils regularly once a year, then these things could potentially fail your system and you would need a replacement. Today, we're going to try to save this guy and give him some more life expectancy on this system here um to clean the coil. I believe that everybody should do this on their own.
If you can't take this all out as experienced as we are, then you know what you can do. Just grab your hose nearby and if when the fins are on, just spray it above the fins, give it a nice little rinse. That's something you guys as a homeowners can do. But as the technicians, this is what we usually offer you guys.
We take out the whole thing. We're going to clean up here inside, take off all the debris, all the dirt, all the little spider webs just to have you guys having more life expectancy. And that's the most important thing is to keep these systems lasting longer so you guys can have AC during the summer.
It can. A clogged coil pushes head pressure and temperature up until a safety control shuts the compressor off, then it restarts once things cool down, over and over. Short cycling has other causes too, like an oversized unit, low refrigerant or a thermostat problem, so a tech should check pressures and electrical parts before blaming the coil alone.
Want it done at your place? See AC Maintenance and Coil Cleaning at SwiftPro or call (703) 997-9757.
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SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
Virginia Class A contractor license #2705192276