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Why Is My House Humid?

May 9, 2025 | Blog

Schedule Winder AC Repair To Prevent Indoor Humidity Issues

If you’ve ever stepped inside your home and immediately felt sticky, muggy air — even with the AC running — you’re not alone. Excess indoor humidity isn’t just uncomfortable. It can lead to health concerns, mold growth and higher energy bills. This issue is often caused by air conditioner problems, poor ventilation or improper sealant.

The good news? You don’t have to live with that heavy, swampy feeling indoors! At Absolute Comfort Air, we help homeowners across Winder and Barrow County figure out how to reduce humidity in the house in summer — and year-round! Let’s explore these causes of indoor humidity and how maintaining your air conditioner plays an important role.

How Much Humidity Is Too Much In A House?

Humidity levels that are consistently above 50-60 percent are an issue worth addressing.

According to the Environmental Protection Agency, the ideal indoor humidity level should stay between 30-50 percent. Anything above this range can cause indoor air quality issues, which can compromise your comfort and well-being.

When humidity climbs above 60%, your home can start feeling noticeably uncomfortable. You might even spot signs like musty smells, condensation on windows or damp spots on walls and ceilings.

Common Causes Of High Humidity Indoors

Several factors can cause moisture levels to spike inside your home. Understanding the source of the mugginess is the first step toward a solution.

1. Muggy Outdoor Weather

During Georgia’s steamy summers, outside air naturally holds more moisture. If your home isn’t properly sealed, that humid air can sneak indoors — making your AC work overtime.

2. Air Conditioner Problems

Your air conditioner doesn’t just cool the air — it also removes moisture. If your AC system is oversized, undersized or having maintenance issues, it might struggle to control humidity. You might feel cooler, but the air still feels damp. It’s best to have one of our technicians inspect the unit to identify any problems that require air conditioner repair or service.

3. Poor Ventilation

Without good airflow, moisture from everyday activities — like cooking or showering — builds up indoors. Homes that lack proper ventilation, especially in kitchens and bathrooms, tend to trap moisture inside.

4. Sealing Problems

Cracks around windows or doors and ductwork damage can let humid outdoor air seep into your home. Even tiny gaps make a big difference when it’s 90 degrees and muggy outside!

Why Does Humidity Rise At Night?

Outdoor air holds less water vapor when temperatures decrease. Since the temperatures in Winder drop in the evenings, it causes the cooler air to hold and retain less moisture. This process raises outdoor humidity levels, which often peak around dawn.

If your AC isn’t running as much overnight, it’s not actively pulling moisture from the indoor air. That’s why even a well-sealed home can feel a little heavier with humidity late at night or early in the morning.

How To Reduce Humidity In A House In Summer

No one wants to spend the summer months fighting sticky, uncomfortable air indoors. Here are a few ways to lower humidity inside your home:

  • Schedule AC maintenance — Make sure your system is tuned up and operating efficiently.
  • Use exhaust fans — Run fans in kitchens and bathrooms during and after the rooms are in use.
  • Seal gaps and cracks — Weatherstripping and caulking keep humid outdoor air where it belongs: Outside!
  • Consider a dehumidifier — A whole-home dehumidifier works alongside your AC to maintain healthy indoor moisture levels.

If you’re looking for expert advice on how to reduce humidity in the house during summer, our team at Absolute Comfort Air is here to help.

Control Indoor Humidity With Absolute Comfort Air

Don’t let excess humidity make your home uncomfortable. Whether you need AC repairs, ventilation improvements or a professional evaluation, Absolute Comfort Air has the experience and local expertise to keep your indoor air fresh and balanced. Contact our team today to schedule your appointment.

Absolute Comfort. Absolute Care.

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