Sol-Ark gets great review in wrenches by an awesome fellow installer:

“Hey Wrenches,
I have installed ~15 Sol-Ark 8k’s over the last year and have a few 12k’s lined up for the coming month. I have basically fallen head over heels for the product and the company. The machine itself works beautifully and is quick and easy to install (no external cc’s !). I also believe that the thoughtful clean sheet design of the machine has allowed it to surpass the functionality/efficiency of most of its competitors. In addition, Sol-Ark is constantly improving their firmware, and increasing their feature list via over the air updates. Safe to say I haven’t installed a Radian since my first Sol-Ark.”
Aloha,
Doug Phillips, President
Solar Plus, Inc www.solarpluskauai.com
PO Box 771, Hanalei, HI 96714

Thank you, Sol-Ark Staff