I don't like leaving bad reviews, but I have to mention what happened when I ordered Naylor Solar. Yes, they are busy, so I had to wait for a month to get panels installed, which is fine. After the panels were placed on my roof I patiently waited for the pool water to heat up, which they said might take four days as the weather was already nice. As weeks went by, the water was not changing in temperature, I started worrying and called them back. The owner did come by promptly the next day just to tell me that his workers installed the flow valve backwards and forgot to turn it on. So nothing was happening to my water for three weeks after the installation! How inappropriate! I want compensation!