Skip to content
Freedom HVAC Supply
    Login
    Spend $1,200 more for FREE shipping.
    FREE shipping will be applied at checkout

    Your cart is empty

    Continue shopping
    0Cart($0.00)

    Dehumidifiers & Humidity Control

    Dehumidifiers & Humidity Control

    If your home feels sticky in summer or dry in winter, humidity might be the hidden culprit. Proper humidity control isn’t just about comfort — it affects energy efficiency, indoor air quality, and even your health.

    Why Humidity Matters

    Ideal indoor humidity levels range between 30% and 50%. Too much moisture makes your home feel warmer and promotes mold, while too little causes dry skin, static electricity, and damage to wood and furniture.

    Effects of Poor Humidity Balance

    • High humidity: Feels warmer, increases mold and dust mites, causes musty odors, and strains your HVAC system.
    • Low humidity: Feels cooler, causes dry air discomfort, cracked wood, and increases static electricity.
    • Fluctuating humidity: Causes condensation on windows, uneven comfort, and inconsistent HVAC performance.

    How HVAC Systems Manage Humidity

    Central air conditioners and heat pumps naturally remove moisture during cooling, but they’re not designed for precise humidity control. That’s where dehumidifiers and humidifiers come in.

    Types of Humidity Control Systems

    • Portable Dehumidifiers: Great for basements or single rooms but limited in capacity.
    • Whole-Home Dehumidifiers: Installed in-line with your HVAC system, they remove moisture across your entire home automatically.
    • Whole-Home Humidifiers: Add moisture during dry winter months, improving comfort and air quality.
    • Smart Thermostat Integration: Modern systems can monitor and adjust humidity automatically based on indoor and outdoor conditions.

    Benefits of Proper Humidity Control

    • Improved comfort: Balanced humidity feels cooler in summer and warmer in winter.
    • Energy savings: Lower humidity allows higher thermostat settings without losing comfort, reducing cooling costs by up to 10%.
    • Healthier air: Reduces mold, dust mites, and airborne allergens.
    • Protects your home: Prevents condensation, warping, and paint damage.

    Signs You Might Need a Dehumidifier

    • Condensation on windows or mirrors.
    • Musty odors or visible mold growth.
    • Sticky or clammy feeling indoors even with AC running.
    • Inconsistent humidity readings between rooms.

    Whole-Home Dehumidifiers: How They Work

    These systems pull in humid indoor air, remove excess moisture through a cooled coil, and then deliver dry, filtered air back into the home via your ducts. They operate automatically based on humidity levels set by your thermostat or a separate humidistat.

    Modern whole-home units can remove up to 100 pints of moisture per day, all while maintaining efficient operation and clean air circulation.

    Smart Humidity Management

    New smart thermostats with humidity sensors (like the Ecobee or Honeywell Prestige) can automatically balance temperature and humidity to maximize comfort. When paired with an inverter-driven system, they can modulate fan speed and compressor output for optimal indoor balance.

    Installation & Maintenance Tips

    • Check and clean dehumidifier filters every 3–6 months.
    • Inspect drain lines regularly to prevent clogs.
    • Ensure whole-home units are connected to proper condensate drainage.
    • Test humidity levels using a digital hygrometer or your smart thermostat.

    FAQ

    What’s the ideal indoor humidity level?

    Between 30% and 50% year-round. Closer to 30% in winter and 45–50% in summer for best comfort and air quality.

    Do dehumidifiers help with cooling?

    Yes. Removing excess moisture makes the air feel cooler and reduces strain on your air conditioner, often lowering run time and energy use.

    Can I add humidity control to an existing HVAC system?

    Yes. Most ducted systems can integrate whole-home dehumidifiers or humidifiers, often controlled through your thermostat or a standalone humidistat.


    Related reads:
    Zoning Systems & Multi-Zone Comfort · Ventilation & Fresh Air Exchangers

    Shop the basics:
    Dehumidifiers · Air Quality Accessories · Smart Thermostats