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💧 AC Humidity Correction, Georgetown TX

Georgetown's humidity, particularly during summer monsoon moisture intrusions and along river corridor neighborhoods like Parkside on the River and Granger, creates latent load challenges that many residential HVAC systems aren't properly configured to handle. If your home feels sticky or humid even when the thermostat is satisfied, the system may be correctly cooling but inadequately dehumidifying.

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Sensible vs. Latent Cooling in Georgetown

Your AC has two jobs: remove heat (sensible cooling) and remove moisture (latent cooling). Georgetown's climate requires more latent cooling than the national average. A system that cools your home to 75°F but leaves it feeling muggy at 60% relative humidity has failed at the latent load job.

Oversized System, Georgetown's #1 Humidity Problem

An oversized system cools to setpoint too quickly and shuts off before running long enough to dehumidify. Dehumidification requires sustained runtime, the coil needs to stay cold long enough to condense moisture from the air. Short-cycling oversized systems in Georgetown new construction are the most frequent source of "cold but sticky" complaints.

High Fan Speed Settings

Air moving across the evaporator coil too quickly doesn't have enough contact time to lose moisture. Some HVAC systems in Georgetown are installed with fan speed set one notch too high, often done by installers to improve sensible cooling performance without considering latent load. Reducing fan speed by 10-15% can improve dehumidification significantly without replacing equipment.

Fresh Air Damper Over-Ventilation

Homes with ERV/HRV or fresh air dampers that are set too open continuously introduce Georgetown's humid outdoor air into the conditioned space. During July and August, Georgetown outdoor dewpoints routinely run 65-72°F, introducing that air requires significant latent cooling capacity the system may not have.

Parkside on the River and Granger: River Microclimate

Homes near the San Gabriel River in Parkside and lakeside properties in Granger carry measurably higher ambient humidity than Georgetown's upland neighborhoods. Systems sized for inland Georgetown may be undersized for riparian humidity. A whole-home dehumidifier is often the cost-effective solution rather than equipment replacement.

We also check your return duct sealing as part of this evaluation, since a leaky return pulling in hot, humid attic air can undermine dehumidification even when the equipment itself is sized and charged correctly.

This distinction matters more than most homeowners realize.

Frequently Asked Questions, AC Humidity Performance Correction

My thermostat says 74° but the house feels sticky, is the AC broken? +
Not necessarily broken, it may be correctly cooling but not dehumidifying. The two functions are separate. We measure relative humidity and dewpoint to distinguish between sensible and latent performance problems.
Will a dehumidifier fix this? +
A standalone whole-home dehumidifier can solve latent load problems without system replacement. For Georgetown homes with moderate humidity issues, this is often the most cost-effective fix ($800-$1,400 installed vs $3,500+ for system replacement).
Can adjusting the thermostat fan setting help? +
Yes, switching from AUTO to ON keeps the fan running between cooling cycles, which can help move air and reduce humidity in some configurations. But it can also re-evaporate condensate from the drain pan, worsening humidity. The correct setting depends on your specific system and home configuration.
At what relative humidity should I be concerned? +
Georgetown homes above 55% RH consistently feel uncomfortable and risk mold growth in poorly ventilated areas. Above 60% is a genuine indoor air quality concern. We measure with a calibrated hygrometer, many thermostats display humidity readings that aren't accurate.
Why does my house feel humid even when the thermostat says it's at temperature? +
Temperature and humidity are related but not the same thing. A system that's oversized for the home, or one running with airflow or charge issues, can hit the temperature setpoint quickly without running long enough to actually pull moisture out of the air, leaving the house feeling clammy despite an accurate thermostat reading.
Will a dehumidifier fix high indoor humidity if my AC seems to be working fine? +
It can help as a supplement, but if the AC itself is oversized or running short cycles, a standalone dehumidifier is treating a symptom rather than the cause. We evaluate the AC's cycle length and sizing first since correcting that often resolves the humidity issue without adding equipment.

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