Firstly Fuse dismounted, hauled away and recycled old HVAC system and then installed new one. Either technicians installed a new furnace - Bryant 821TA60090V21 Preferred 80 Series Variable-Speed Gas Furnace 2 STAGE. This furnace has quiet performance and even-temperature comfort from variable-speed air delivery and two-stage operation allows longer, more even heating cycles on low stage. Farther technicians installed new evaporator coils according to the building standards - Bryant CNPVP4221ALA COILS (EVAP COIL R-410A W/TXV UP "N" ALL ALUMINUM). Besides they installed A/C Condenser - Bryant 187BNA036000 A/C CONDENSERS (EVOLUTION 17 SEER PURON 2STG A/C) 3 TON. Moreover they installed Nest Thermostat that helps control home from the phone. We pulled the permit for this installation and made inspection with city inspector. In addition Fuse technicians made HERS Test. Qualified EPA certified specialists made this installation. Fuse provides a 3 years warranty for HVAC-installation labor.