Hey guys all I can say is the unit is not quite ready yet, Robert just got the last part last week and was not able to have a fully functioning unit for us to see. No efficiency numbers yet. Sorry I didn't post during market hours but I believe in equality, those of us that attended could have sold out if we wanted, I believe that by me posting after hours everyone has the same chance . From my opinion this heater will work. The piping layout and some of the electrical components seem to be in place. I elk start driving home now. Website will have a picture of the unit. Something that we didn't know was that there a couple of countries ready to sign contracts when we deliver the unit. One of the manufacturers that Wdrp is talking to is a big board public company that manufactures pool heaters. Am I going to hold for now yes I am. We saw and touched the unit, we were allowed to take pictures of the outside of the unit but not of the inside to protect the ip. The triangular heat exchanger has been replaced by a octagon exchanger.