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Hi Gang,Here is a photo using infrared technology, to show heat loss in a home. And yes heat will escape all over the first floor of a house, anywhere that cold air is penetrating. So any piece of styrofoam, that is not tight on a TP Spa, then major heat loss will take place. As service company of every brand, we deal with frozen spas all winter. If a customer e-mails me on a Saturday night and says his spa is dead, will it freeze tonight? I ask what brand of spa they have, if it is a full foam spa, I tell them it can wait til Monday Morning. If it is a TP spa, I am giving them emergency instructions on what to do tonight, to prevent their spa from freezing. remember the big sales pitch with Thermo Pane, is the spa shell and equipment is kept warm, from heat coming off the motors, while the spa is running or cycling. The success of that concept is based on a tub that is running. Most freeze ups occur on spas that are dead or tripping the breaker, due to a short. So, how well will that piece of 3/4" styro foam keep the cold from getting to the pipes vs. a spa that is fully foam filled?
Insulated spas have insulation on the sides while non insulated spas do not.
Can you imagine what it would be like if you were lounging in 103° water with all of your skin pores open with fiberglass in the water. I gotta go, I'm starting to itch all over.
If you are still looking for a cheaper insulation, how about buying a 4x8 sheet of 2 inch foam board at Lowes or HD for about $28? You can easily cut it to size with a utility knife. It would be removable and is relatively water proof.
why would I offer an option that provides a lower level of insulation?My customers would eventually find out that they opted for a lesser insulation and bad mouth my tub because of high electric bills.... especially if they had to pay extra for what I believed was a downgrade.
That, my friend, was the WHOLE point of this thread. Terminator
Gee thanks. It only took me 52 messages to figure it out. Next time don't be so obuse.
Insulation works by trapping air to keep it from moving, either by natural convection or drafts.
Thank you Mr. Science. I guess a vacuum would work, considering how effective a thermos bottle is. The people in Rio Linda still don't know how it knows to keep hot stuff hot and cold stuff cold, but that's their problem.So, I guess if you are really cheap you could create your own vacuum under your tub by attaching a hose to the side and inviting Linda Lovelace over for a soak.I'm just trying to help.
So if heat loss occurs on all sides of a tub how much does it help to either sink your tub into a deck or build some type of outer covering around the hottub?Has anyone built a enclosure for the sides of their tub? If you did did you insulate the walls of the enclosure?How much would this help in lowering heat loss and your electric bill?Cburk