Energy Star whole house ventilating dehumidifier

Carol Friedland, Kleinpeter, Shelly

LaHouse is a display of high-performance building practices to create more sustainable, resilient and healthy homes in the gulf region. The research-based facility is located on LSU's Baton Rouge campus and displays home-building techniques and solutions for Louisiana's unique climate. LaHouse is open weekdays from 10 am to 4:30 p.m. for self-guided tours or can be toured completely virtually.

Dehumidifying Ventilation System

Experience the Lahouse via virtual tour

It is important for your home to have a tight building envelope and proper ventilation for an efficient HVAC system and to prevent mold and moisture problems. A whole house ventilating dehumidifier will clean the air, dilute or remove contaminants in the air, and kill odors. The humidity level inside your home is important in reducing mold and moisture issues in the home.

Humidity removal when cooling not needed

A dehumidifier removes humidity without cooling the air rather than requiring the AC be on. This can save money on cooling costs as the home's humidity can be maintained at a healthy level without needing to run the air conditioner.

Dehumidifies indoor and fresh air mix

A ventilating dehumidifier brings in fresh outdoor air, filters it, and removes indoor air for maintained circulation. The difference between a traditional air-conditioning system and one with a whole house ventilating dehumidifier is that it dehumidifies the air before bringing it into your home to prevent excess moisture. In Louisiana’s humid climate, this can be extremely helpful in maintaining comfort during the summer.

Supplies dry air to main air supply duct

Once the ventilating dehumidifier filters and removes the moisture from the air, the clean, dry air is supplied to the main air supply duct.

Controller for setting RH and fresh air timer

RH stands for relative humidity. The water in the air at a certain temperature versus what the air can hold at that temperature is relative humidity.

When the relative humidity is above 50%, the risk of mold, mildew growth, and trapped allergens increases, which can exacerbate allergy and asthma symptoms.

BIM Model and Other Images

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A humidifier can help maintain a good relative humidity within the home and prevent moisture issues

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Tight building envelopes make the home more energy efficient

10/20/2022 8:43:18 PM
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