San Antonio humidity turns a dark, damp AC coil into a mold factory. A UV light in the air handler kills it at the source, keeps the coil clean, and keeps that smell out of your air.
Thanks for reaching out. We've got your request and we'll be in touch shortly, usually the same day. Need us right now? Call (830) 587-5790 — we're open 24/7.
Stops coil mold
The evaporator coil is dark, wet, and cool — ideal for mold and bacteria, especially in San Antonio's humidity. A UV light mounted at the coil sterilizes it continuously.
Cleaner coil, healthier air, and a system that runs more efficiently because the coil stays clear.
Call (830) 587-5790Here is what a coil UV light does and why Bexar County humidity makes it worth it.
Mold and biofilm grow on the wet evaporator coil and then blow into the house. A UV light kills them right there, so you are not just masking a musty smell — you are stopping its cause.
Biofilm on the coil insulates it and drops efficiency. Keeping it clean with UV helps the system cool better and last longer through a San Antonio summer of constant runtime.
UV handles what is on the coil; it does not lower humidity. In a damp San Antonio home we often pair it with a dehumidifier or duct sealing so the whole moisture problem is covered.
Stone Oak, Alamo Ranch, Shavano Park, the sprawl past Loop 1604 — these subdivisions went up fast in the 1990s and 2000s on builder-grade 14-SEER equipment. Those units are now 15 to 20 years old and failing in batches. The classic call is the two-story where the upstairs never cools, because the original system was sized for square footage and ignored the stack of heat that builds on the second floor. We fix that with a real load calculation, a zoning damper, or a mini-split — not by selling you a bigger condenser and hoping.
From the historic homes inside Loop 410 to the new builds past 1604, we run calls across the San Antonio metro every week. A few of the areas we cover:
“We bought a 1940s home in Monte Vista and the panel was a Federal Pacific our insurance would not touch. Justin's crew swapped it, pulled the permit, and explained everything in plain English. Felt like dealing with a neighbor, not a salesman.”
“Called three places when the upstairs of our house would not cool. Moorhead was the only one who measured the load instead of just quoting a new system. Ended up being a zoning fix for a fraction of the price. Honest people.”
“Called three places when the upstairs of our house would not cool. Moorhead was the only one who measured the load instead of just quoting a new system. Ended up being a zoning fix for a fraction of the price. Honest people.”
Tell us what the system's doing and we'll get right back to you — usually same day, anywhere in San Antonio. Prefer to talk? Call (830) 587-5790, day or night.
Thanks for reaching out. We've got your request and we'll be in touch shortly, usually the same day. Need us right now? Call (830) 587-5790 — we're open 24/7.
A coil UV light stops mold at the source.