Reasonably Use a Whole House Dehumidifier

To reasonably use a whole-house dehumidifier, you want to ensure it’s integrated effectively into your building or greenhouse system to control humidity efficiently without wasting energy or over-drying the air. Here’s how to do that:

 

Best Practices for Using a Whole-House Dehumidifier

1. Choose the Right Size

Match Capacity to Area: Select a reliable dehumidifier based on your home or greenhouse’s square footage and average humidity. Oversized units cycle too quickly; undersized ones run constantly.

Typical Capacity:

2,000–2,500 sq ft: 70–90 pints/day

3,000–4,000+ sq ft: 120–200+ pints/day

Under House Dehumidifier Cost: 

$1,000 ~ $2,800 (Contact PREAIR for a wholesale price)

 

2. Integrate with Existing HVAC or Ventilation

Supply/Return Duct Connection: Duct it into your HVAC system or run dedicated ductwork to dehumidify multiple zones evenly.

Bypass Mode: Some models allow air to pass through even when the unit is off, promoting air circulation.

 

3. Use a Hygrostat or Smart Controls

Set Ideal RH: Keep relative humidity between 45–55% for most indoor applications.

Avoid Overdrying: Constant RH readings prevent the unit from running when unnecessary.

 

4. Ensure Proper Drainage

Condensate Drain Line or Pump: Route collected water to a sump, drain, or outdoors to avoid manual emptying.

Check Slope: Make sure drain lines have a slight downward pitch to prevent clogs or backups.

 

5. Maintain Regularly

Clean Filters: Every 1–3 months, depending on dust and usage.

Inspect Coils and Fan: Look for ice buildup or reduced airflow.

Check for Leaks: Condensate lines can get moldy or clogged if not maintained.

 

6. Consider Zoning or Timed Operation

Zone Dampers: Help target specific high-humidity areas (e.g., bathrooms, kitchens).

Timed Scheduling: Run during off-peak power hours or when humidity spikes (e.g., mornings).

 

7. Monitor Performance

Use a remote hygrometer or smart monitoring tools (PREAIR offers whole house dehumidifiers with Wi-Fi/app control) to track effectiveness and energy use.

 

Most Recommended Whole House Dehumidifiers

The WH series of whole house dehumidifiers is the best choice for high-end apartments, villas, houses, and offices. During the hot and damp summer, people need an environment with proper temperature (18-25 ℃) and humidity level (40-70% RH). Let the WH dehumidifier do you a favor.