Are you looking to invest in an  affordable solar water heating system? If yes, then you should look no  further than an integrated or compact solar water heater. Northern Lights compact solar water heating system uses the performance-driven TZ58 1800 SunRain solar collectors.These collectors are specifically  engineered for the residential hot water purposes. They come with a  storage tank and heat pipe vacuum tubes integrated to a unit. These  units are SRCC certified for accommodating hot water requirements of a  family of four to five persons. They have the 80 galloon stainless steel  made water tank. The tank is heavily insulated for enormous performance  and efficiency.