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.
Guardsman Coil Cleaning: The Irving Owner’s Guide
Guardsman coil cleaning in Irving typically runs $340-$580 for a full evaporator or condenser coil service, including access, chemical wash, and post-cleaning pressure verification. Most Guardsman-compatible coils we see in Las Colinas and Valley Ranch homes are accessible same-day once we confirm the model series and refrigerant type. Homeowners usually notice the problem first as weak airflow through registers, ice forming on the copper lineset, or a compressor that runs non-stop without dropping the indoor temperature.
Which Guardsman Models This Applies To
Guardsman coils fall into residential series spanning roughly 2010 to present production, with model prefixes GEC (evaporator) and GCC (condenser) followed by tonnage codes. The critical detail is refrigerant compatibility: R-22 units built before 2015 use different port sizing and fin density than R-410A and newer R-32 systems, and mixing service procedures across refrigerant types damages the coil and voids remaining warranty coverage. We match by the data plate on the coil housing, not the outdoor unit badge, since mismatched indoor/outdoor pairings are common in Irving’s resale market.
OEM Guardsman coils carry a 5-year parts warranty when installed by a licensed contractor; quality aftermarket equivalents from Aspen and ADP meet the same AHRI performance specs at roughly 30% lower parts cost. We stock both on our Irving trucks and quote each option in writing before any panel comes off, per Haven Standard Clause 1. The aftermarket decision usually comes down to how long the homeowner plans to keep the system: if the furnace or air handler is already past 12 years, the OEM premium rarely pays back.
Signs Your Guardsman Coil Cleaning Is Failing

- Ice buildup on the copper suction line. This means the coil surface temperature has dropped below freezing, typically because a debris layer insulates the fins and prevents proper heat absorption. In Irving’s hard-water corridor running through northwest Dallas County, mineral scale from condensate adds a crystalline layer that standard homeowner rinsing won’t touch.
- Weak airflow at registers despite normal blower operation. The blower motor runs at rated RPM, but a clogged coil acts like a blocked filter. We’ve pulled Guardsman evaporators in Irving’s older Las Colinas townhomes with fin gaps packed to 60% obstruction from construction dust and pet dander that compressed over multiple seasons.
- Compressor runs continuously without reaching setpoint. The system never satisfies the thermostat because heat transfer efficiency has collapsed. On a July afternoon in Irving when attic temperatures hit 140°F, a dirty coil can lose 40% of its rated capacity.
- Musty or sour odor from vents when cooling cycles on. Organic growth on the coil surface produces this smell; Guardsman’s aluminum fin construction doesn’t rust, but the steel tube sheets and surrounding insulation can harbor mold-like growth that aerosolizes into the duct run.
- Water staining on ceiling drywall below the air handler. A clogged coil causes condensate to overflow the drain pan or freeze and then thaw in sheets. We’ve documented this in Valley Ranch homes where the secondary drain was never connected during original construction.
Before
AfterReplacement Cost & What’s Included
| Service Level | Price Range | What’s Included |
|---|---|---|
| Standard coil cleaning (accessible) | $340-$420 | Chemical foaming wash, fin straightening, drain pan treatment, pressure verification, documented photo record |
| Deep restoration (heavy contamination) | $460-$580 | Full disassembly if needed, heavy-duty degreaser for grease/oil contamination, biocide treatment, extended fin comb restoration, photo record with written scope summary |
| Coil replacement (when cleaning won’t recover) | $1,200-$2,400 | OEM or aftermarket Guardsman-compatible coil, recovery/recharge, brazing, nitrogen purge, vacuum and pressure test, 5-year parts warranty on OEM, 1-year on labor |
What drives the range: coil location (attic vs. closet vs. crawl), refrigerant type and required recovery, and whether the coil can be cleaned in place or needs removal. Every quote is written and agreed before work starts. The 365-Day Done Right Promise applies to all coil work, documented in writing on every job.
DIY or Call Us?

An Irving homeowner can safely check three things: whether the filter is clean, whether the condensate drain line flows freely, and whether the outdoor condenser fins are visibly clogged with cottonwood or grass clippings. Beyond that, coil cleaning involves pressurized chemical foaming agents, aluminum fins that bend permanently with a fingernail’s pressure, and refrigerant lines that must remain sealed. We’ve been called after DIY attempts collapsed the fin pack or forced debris deeper into the coil core, turning a $400 cleaning into a $1,800 replacement.
The photo doesn’t lie - let’s look at it together before we talk about next steps. Call (682) 297-4068 for a free estimate with written pricing.
FAQs
In North Texas conditions, a properly maintained Guardsman coil typically delivers 12-18 years before fin degradation or tube corrosion becomes irreversible. The lifespan shortens if the system runs without filtration or if condensate drainage remains chronically blocked, both common in Irving’s newer construction with tight envelope designs that run the blower more hours annually. Call (682) 297-4068 for an exact assessment of your coil’s condition.
Fin damage can be partially restored with specialized combs, but tube leaks or internal refrigerant channel corrosion require replacement. We photograph the coil before any recommendation and show you exactly what the camera found - fin separation, tube pitting, or recoverable contamination. Call (682) 297-4068 to schedule an inspection with documented photo record.
Most residential replacements run 4-6 hours including refrigerant recovery, brazing, pressure testing, and recharge. Irving permits are not required for like-for-like coil replacement, but we verify compliance with current refrigerant handling regulations on every job. Call (682) 297-4068 to confirm scheduling.
We stock the most common Guardsman evaporator and condenser coil sizes for 1.5-5 ton systems, and we can source same-day for less common configurations through our Dallas-Fort Worth supplier network. Tomas Reyes verifies fitment by model and serial number before dispatch to avoid a second trip. Call (682) 297-4068 with your data plate information.
CleanRun Air Duct Cleaning Irving is an independent service provider, not affiliated with Guardsman Manufacturing. We also stock and install compatible parts for Lennox, Trane, and Carrier systems.
Written by Tomas Reyes, Owner, CleanRun Air Duct Cleaning Irving at CleanRun Air Duct Cleaning Irving, serving Irving and nearby areas.




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