FGC goes above and beyond Title 24 energy compliance standards to provide you with a well-designed and energy conscious home. Each house includes: double paned low E3 white vinyl windows, radiant barrier roof sheeting which keeps the attic cooler so that the HVAC system runs more efficiently, seer 16 air conditioning (HVAC) allowing for higher energy efficiency and longer run times, 95% high efficiency furnace, increased performance from the standard 80% efficiency furnace, WiFi enabled and programmable thermostat, Whole house fan. and tankless water heaters along with much more.