Welcome to Solar Unlimited North America - Solar Unlimited North America solarunlimitedna,solar powered hot water,solar hot water,install solar hot water systerm,hot water alternatives,delaware,maryland,united states,mexico hot water solutions,solar grant applications,non-profit hot water alternatives We design and install solar domestic hot water, and solar space heating in the United States and Mexico. As a full service shop, we offer turn-key solutions that make it easy for you to go solar. Our staff handles all aspects of commercial, non-profit, military and industrial solar system design, engineering, permits, grant applications, installation and training.