EchoFirst Inc. designs, manufactures, and markets solar systems that generate electricity and thermal energy. It offers Echo solar systems that provide electricity and hot water; and Echo+ solar systems provide electricity, hot water, home heating, and home cooling. The company serves homeowners, installation partners, and new home builders/developers. The company was formerly known as PVT Solar Inc. and changed its name to EchoFirst Inc. in March 2011. The company was founded in 2007 and is based in Fremont, California.