LP heat for a glassed in pool

Wayne Palmer

I have a customer with an inground pool surrounded by a glass pool house. They would like to heat it with LP. My question or problem is the chemicals in the atmoshpere and how you would install or vent the heating system, so hot air would go into the pool room, but clean air would come in from the outside, or would the heating unit have to be stored outside or in a completely different room? Basically my concern is the combustion of the unit and the air being saturated with pool chemicals. The room is approx. 15'W x 35'L x 10'H.
Thanks for any help.

Dave_4

Typically,

indoor pools have water temps ~ 75-80F That creates excessive heat in an even poorly insulated structure - calling for no ancillary heating at all; perhaps just ventilation.

You obviously have a different form of enclosure.

Whatever heats the pool might also heat the room surrounding it? Perhaps the other way around is viable as well?

Radiant in the walls? Tons of options.

More info please.

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Rich L.

Pool Chemicals are tough!

I've worked on several motels in our area that have indoor pools. WOW! Those pool chemicals are hard on everything in the pool area. We see a life expectancy of approximately 10 years on a pool dehumidification unit. And after ten years they look like they're 30 years old.

You mentioned hot air going into the pool room so I assume you're using forced air. It dosen't matter if you have the unit in a seperate room, when you move the air with the blower you're still moving those pool chemicals through the heat exchanger. I would definiately recomend sealed combustion for the HVAC. If you burn with the air in the pool room it will shorten the life of the equipment even further. If combustion air is your main concern high efficiency sealed combustion will address that.

Home Depot Employee

Done it

Your entering a fun yet an application that requires engineering. To sum it up, you must select equipment that is capable of handling the chemical exposure regardless of the disinfection they have chosen (salt water with chlorine generator, Boromine, chorine or the many peroxide based products).
The most important thing to address is the humidity in the pool space. This is most important and without it can destroy the structure and expose the users to mold.

Check out Desert-Aire or Dryaire for pool units that heat/cool/dehumidify and can reject the heat created to the water to heat the pool during cooling or dehumidification.

Heatng of the space is extremely important to minimize evaporation, thus, reduce latent heat (relative humidity) generated from the pool surface. Generally, the room must be kept 1-2 degrees warmer than the pool to accomplish this. Obviously the pool water can't make the room warmer than the pool itself so, external heat is required.

This requirement is perfect for perimeter radiant around the pool, and sometimes a hot water coil can be added to the dehumidifier airstream to add the difference.

That being said your best choice would be a LP sealed combustion ModCon boiler for all.