Record setting 22.8% panel efficiency. More energy produced per roof space. Leading 25 year warranty.Volt Modern Roofing & Solar is a solar energy equipment supplier providing Sunpower Equinox equipment. Gone are the days of clunky, piecemeal solar systems. Every part of the SunPower Equinox is designed and engineered by one company to work better together - delivering more power, reliability, and style than a conventional home solar system and backed by the industry's best complete-system warranty.