Category Archives: pre-engineered solar thermal systems

Free Hot Water is increasingly becoming known for our quality lines of solar collectors, tanks, and pump stations, and OG-300 systems. That’s the bread and butter of installing solar thermal, and we know that. Yet, there are little parts, tools, … Continue reading →

Progress Energy, a Raleigh, NC-based utility, has completed a previously announced study showing that its residential customers could save $235 a year, or 63% of the water heating portion of their electric bill. The utility also offers commercial solar thermal … Continue reading →

We’re proud to announce that we’ve received Florida Solar Energy Center (FSEC) approval for our made-in-America 8000 series solar hot water collector. As Florida solar thermal installers and plumbers know, all collectors sold or manufactured in Florida must be certified … Continue reading →

#1. Rental Apartment Buildings.  Most apartment buildings in the U.S. have central natural gas water heating systems. Between tenant showers, washing machines, and dish washers, building owners are flushing a large portion of their rental income down the proverbial drain. … Continue reading →

Note: Since writing this post, CSI Thermal rebates have been increased for California solar hot water systems. Earlier this year, the California Solar Initiative (CSI) carved out a new solar hot water rebate program for commercial and residential solar thermal … Continue reading →