![Solar and Boiler Community Center Retrofit](http://www.stage3renewables.com/wp-content/uploads/2016/08/IMG_20160526_161913-1080x675.jpg)
![Solar and Boiler Community Center Retrofit](http://www.stage3renewables.com/wp-content/uploads/2016/08/IMG_20160526_161913-1080x675.jpg)
![Solar Pool Heating Retrofit](http://www.stage3renewables.com/wp-content/uploads/2016/04/IMG_20140605_100825_670-1080x675.jpg)
Solar Pool Heating Retrofit
This municipal pool heating system had so much potential: new condensing gas boilers, a modern DDC system, and a large solar thermal array. Unfortunately it also had some serious issues…
![Commercial Evacuated Tube System Overhaul](http://www.stage3renewables.com/wp-content/uploads/2016/04/P1302-Variable-Speed-Pump.jpg)
Commercial Evacuated Tube System Overhaul
This system was overheating, under-performing, and component were failing from the beginning. We reviewed the system and resolved the design and installation issues. It’s now performing beautifully.
![Net Positive Geoexchange and Solar](http://www.stage3renewables.com/wp-content/uploads/2016/04/IMG_20160223_092625-1080x675.jpg)
Net Positive Geoexchange and Solar
Net Positive This system is net positive by more than 3,000 kWh/yr. This is thanks to a large ground mounted, grid tied, solar photovoltaic (PV) array coupled with and open loop geo-exchange heating and cooling system. These systems provide more than 12 Mega Watt...![Commercial Evacuated Tube Solar Pool Heating](http://www.stage3renewables.com/wp-content/uploads/2014/08/IMG_20140730_131257_082-1080x675.jpg)
Commercial Evacuated Tube Solar Pool Heating
Significant energy savings and carbon reduction are being achieved with this commercial solar pool heating system. A 125 m² array of Apricus evacuated tube collectors in a drainback configuration is powerful and reliable.
![Solar Outdoor Pool](http://www.stage3renewables.com/wp-content/uploads/2014/08/IMG_20140408_113902_035-1080x675.jpg)