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How to Correctly Size Your Swimming Pool Dehumidifier

Here’s How to Find the Correct Sized Dehumidifier for Your Pool

Indoor swimming pools, spas, therapy pools, and exercise pools require good dehumidification systems. Finding the correct size is important and complicated. There are many factors and variables involved in correctly sizing a swimming pool dehumidifier. If the dehumidifier is not sized properly, you run the risk of purchasing equipment that can’t do the job or spend WAY too much money on a needlessly large and expensive system.

Beware of swimming pool dehumidifier distributors who use the “one size fits all” approach. We have called competitors and asked about sizing a dehumidifier. The only question they ask is “How big is your pool”? Then they recommend a particular dehumidifier and that’s it. It seems quite obvious that they already have a unit they plan to sell, regardless of your requirements.
Need to know you are doing it the Right way with Guaranteed Results? Click the orange button to send your pool and room measurements to an engineer.  You will be contacted with a solution guaranteed to work.

There is real science and mathematics involved in CORRECTLY sizing an indoor swimming pool dehumidifier. It’s called thermodynamics.  Here are some fundamentals for sizing that most industry experts agree upon.

2 major factors when sizing a dehumidifier for an indoor pool:

  1. That the dehumidifier’s compressor meets the evaporation rate based on temperature and pool size.
  2. Air turnover rate based on the cubic feet of space. The “volume” of the room must be considered to insure adequate air movement.

It is important to know that the quantity of water vapor produced by an indoor pool is determined by 3 factors:

  1. Square feet of pool water
  2. Level of pool activity
  3. Temperature difference between the water in the pool and the air

You also need to calculate the moisture load of your indoor pool, which requires examining elaborate charts and figuring difficult equations and calculations.

Many of our website visitors have contacted us, telling us things like “Wow, this seems like awfully hard work just to pick out a dehumidifier for my pool” (Tim Krieger of South Carolina). Well, it certainly can be and that’s why we are here. Don’t spend lots of your precious time struggling to figure this out or get bad advice from novices. Don’t be frustrated and confused trying to figure out elaborate water evaporation charts. We have a full staff of indoor air quality experts who are properly trained to find the solution to your humidity problems. All you need to do is pick up the phone and call one of our experts at Swimming Pool Dehumidifiers.

There are certain fundamental questions our staff will ask you in order to determine the right size dehumidifier for your particular requirements. To help speed up the process, here is a list of questions one of our experts will ask when you call:

  • The size of your pool?
  • The size of your pool room – length, width, height?
  • Air and water temperature?
  • Do you use a swimming pool cover?
  • Amount of pool activity/hours of use?
  • Do you have a dedicated heating system?
  • Is the pool room attached to the house or building?
  • Do you have existing HVAC/ventilation system?
  • Are you using exhaust fans or fresh air?
  • If using exhaust fans, how much CFM do they deliver?
  • Installation options – Do you want a stand alone dehumidifier that will sit in the pool room or remote dehumidification unit installed in a utility room?
  • Can you use existing duct work?
  • If a ventilation system is being used, is it up to the local building code?

If you don’t know all the answers, don’t worry, our staff can walk you through it.

The answers to these questions will put our staff on the fast track to help you find the right swimming pool dehumidifier for your indoor pool. Pick up the phone and let us do the hard work for you. Call one of our experts for help at 1-800-650-3528

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