ATMOX Tom’s Blog
Should crawl space vents be open or closed?
Should crawl space vents be open or closed? Like we have frequently said before, the ATMOX answer is that “it depends.” What is the situation? What are you trying to accomplish? And, what type of crawl space setup do you have? Vents in a Traditional Vented Crawl...
Improving the use of crawl space dehumidifiers
Crawl Space Dehumidifiers and Humidity Levels Let’s explore a commonly used tool in the crawl space – a dehumidifier. And, let's look at how we can improve the use of crawl space dehumidifiers. A dehumidifier works to remove humidity from the air by drawing the...
Crawl spaces come in all shapes and sizes.
Over the past several decades, construction preferences and styles have evolved and changed. In some styles, such as bungalows, minimal traditional and cape cod style homes from the 1920s to 1950s, the layouts stayed mostly within a rectangular frame. Once the...
What to do about water in a crawl space?
Water is an unwelcome guest in any crawl space. We all know that it needs to be addressed (even when not as obvious as a house surrounded by water), but what to do about the water can seem like a daunting task. Regardless of what else may need to be done in the...
Crawl Space Humidity
What should my crawl space humidity be? Sounds like an easy question, but humidity is actually a little tricky and sometimes misleading. Why is that? Most people in the crawl space industry often forget that humidity is rH and that “r” is important to remember. It...
Dew Point vs Humidity
ATMOX focuses on a dew point comparison - not relative humidity. How do you explain dew point vs humidity?
What is an acceptable crawl space wood moisture content?
Most research agrees that ideal crawl space wood moisture content should be between 10% and 16%. Wood moisture levels will vary some, but they should not remain too low or too high. It is rare to see crawl space wood moisture levels too low, but it can happen in...
Do crawl space ventilation fans work?
Crawl space ventilation fans work as an excellent tool to dry a crawl space, BUT it is critically important to use them at the right time. If you’ve been researching crawl spaces before landing on this blog, your head is probably spinning. There are so many, many...
Crawl Space Fans on Humidistat vs ATMOX
Let's bust this myth: ATMOX fans are just fans on a humidistat. ATMOX fans are generally connected to a controller. That controller is much more sophisticated than a simple humidistat. Let's explore what makes a crawl space setup or "ATMOXsphere" different. ATMOX...
Introducing ATMOX “Tom”
ATMOX would like to introduce you to "Tom" For over a decade, Tom has been the guide for all things ATMOX. You'll see him on a brochure, an install guide or an old website page. He is the ultimate ATMOX ambassador. He represents the expertise and knowledge of the...









