Who the heck is this macmanmike???. I'll rip him from shred to shred....:grin: Yes as of Jan 1 2010 all new dwellings will require solar hot water heaters or if you meet certain exceptions like in a shadow area next to a cliff, or you can prove to the building dept. that it will be cheaper to use gas instead (ha, ha, ha, ha,) rexowner is right about the high cost of fossil fuels here. This might be a Honolulu county code or it may be statewide, I'm actually not sure but I know plenty of people to ask if the other counties as well.