EP 52 | Home Dehumidification Strategies for Optimal Comfort with Dr. Allison Bailes III
In this episode:
We delve into the critical world of humidity control with the renowned Dr. Allison Bales III, founder and president of Energy Vanguard. Dr. Bales, a prolific building science expert, author, and speaker, sheds light on the challenges of managing humidity in homes, particularly in hot and humid climates like Houston and Atlanta. We explore the science behind humidity, the pitfalls of overcooling, and the importance of proper dehumidification strategies for both new and existing homes.
TOPICS COVERED:
- Humidity in Homes: Sources of indoor humidity, including occupants, activities, and outdoor air infiltration.
- The Limits of AC: Why air conditioners alone are often insufficient for adequate humidity control, especially during milder weather.
- Overcooling Dangers: The risks of setting thermostats too low, including condensation, moisture damage, and mold growth.
- Dew Point Dynamics: Understanding dew point temperature and its role in condensation problems.
- Vapor Pressure and Diffusion: The two main mechanisms of water vapor transfer in homes.
- Air Barriers and Vapor Retarders: The importance of air tightness and the strategic use of vapor retarders in different climates.
- New Construction Strategies: Building a tight envelope, proper insulation, and ventilation strategies like ventilating dehumidifiers and energy recovery ventilators (ERVs).
- Old Home Challenges: Addressing humidity in existing homes with limitations in air tightness and insulation.
- Right-Sizing HVAC: The importance of accurate load calculations and avoiding oversizing air conditioners.
- Whole-House Dehumidifiers: Benefits, ducting strategies, and the importance of proper integration with HVAC systems.
- Bathroom Exhaust Fans: Their role in localized moisture removal and limitations for whole-house humidity control.
- Realistic Expectations: Setting appropriate thermostat set points and understanding the impact of humidity on comfort.
- Comfort Factors: Balancing temperature, relative humidity, and air movement for optimal comfort
GET IN TOUCH:
Guest: Dr. Allison Bales III
Business Title: Founder and President
Company: Energy Vanguard
Website: https://www.energyvanguard.com/
Bonus: Accompanying every episode are show notes with links to guest speakers and other helpful sites mentioned in the podcast.
How to get in touch: Please let us know what questions you have and we will get back to you as soon as possible. You may email us at info@yourprojectshepherd.com.
About Our Guest:
Dr. Allison Bales III is the founder and president of Energy Vanguard, a leading building science consulting and education firm. He is a recognized expert in building performance, energy efficiency, and indoor air quality. Dr. Bales shares his knowledge through his blog, articles in various publications, speaking engagements, and his recently published book. His passion for building science and dedication to educating homeowners and professionals make him a valuable resource in the construction industry.
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