Ventilation Expert Reviews

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The sheer volume of online reviews speaks to their basic weakness; Because one is essentially free to post a review or expert advice on any topic, it’s all too easy to dash off unsubstantiated praise or criticism, or, worse, to construct misleading reviews without facing any consequences. It’s what economists (and others) refer to as the cheap-talk problem.




Beware of “experts” that do not accept new technologies and solutionsExpert - Wright that have been proven over time because they are so set in their current practices and they refuse to allow themselves to consider something new. The building science field is replete with new approaches, recommendations and solutions, and has advocates for different and often conflicting theories. At the end of the day, real world testing is the final arbiter. Historically, science theories evolve and have changed when facts have proven otherwise.

WAVE Moisture Control and Ventilation units have solved moisture related problems and poor indoor air quality in basements and crawl spaces for over 25 years, with tens of thousands satisfied homeowners.  Ventilation  has been promoted as an efficient and superior technology, in comparison to dehumidifiers, to effectively control moisture and expel indoor air pollutants on a continual basis. Ventilation  technology has been tested by the Department of Energy, recommended by the EPA Indoor airPLus program, World Health Organization and other leading health authorities. See what the US Consumer Product Safety Commission has to say about moisture control and improving indoor air quality. Humidex and WAVE units have been evaluated and installed in HUD projects, military housing, public housing, by property management companies, builders, and incorporated into home improvement services companies. This alone speaks volumes about the performance and reliability of these products.

True Science comes from Real Data, not Hypothesis or Hidden Agendas

True scientists have protocols to test measure and reach unbiased results. When online “experts” give their unsolicited opinion, one has to step back and consider the underlying motivations and credibility especially when opining on products and technologies they have actually never tested themselves.

The EPA, World Health Organization, Surgeon General, US Consumer Product Safety Commission, ASHRAE codes, Asthma Institute and American Lung Association all emphasize that indoor air contaminants are at higher levels than the exterior air and pose a major health issue and needs to be improved.

Often a less expensive and affordable solution is not promoted because it disrupts the marketplace. Ask yourself could that be a possible motivation to invalidate a superior solution that costs substantially less than what you are selling and has guaranteed performance results?

You be the judge! It’s your home and health!


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  1. Ken Gerhing on February 24, 2016 at 11:09 am

    Yes, ventilation is effective at reducing indoor %RH when the outdoor dew points are <55^F.
    Yes, fresh air change is important when the home is occupied.
    When the outdoor dew points are 60^F, fresh air makes the home damp.
    Significant dehumidification is required to keep the home dry, importantly in the cool basement/crawlspace. During high cooling hours, the a/c may keep the home dry.
    During low/no cooling loads, supplemental dehumidification is required.
    Reqards Ken Gehring

    • elie on February 26, 2016 at 2:01 pm

      Thanks for your comments Ken. You are correct that when outdoor dew points are high, fresh air will need to be conditioned via the A/C. That is why the WAVE Moisture Control and Ventilation units draw their replenishment air from the upper level where the air is typically conditioned. And despite bringing in fresh air that will be conditioned, the overall energy efficiency is improved as demonstrated by the Department of Energy sponsored test, as the load on the A/C unit is diminished if the lower level of the home is dry.

  2. Matt on February 6, 2019 at 6:09 pm

    While I know that a basement is not fully sealed and air can transfer through penetrations such as holes for pipes duct work, etc. what stops the unit from pulling in outside air through doors and windows in the basement instead of upstairs. I have an unfinished walkout basement that is above ground on 3 sides with several windows and doors. While sealed pretty good I suspect they leak like most doors and a unit like this would pull in humid air rather than conditioned air from upstairs.

    • elie on February 7, 2019 at 12:26 pm

      Thanks for you question. One of the key factors in the performance of our units is proper installation. We always recommend sealing any obvious draft points or known leakage. Every installer does a simple “tissue test” to ensure that the air is pulling from the upper level and not from somewhere else.

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