|  | New furnace installed January 2018 MassSave did an energy audit and recommended high efficiency furnace. The furnace and AC were due for replacement so we decided to go for it... | 
|  | Side view of furnace with exhaust pipes. | 
|  | Exhaust has to vent out, not up. | 
|  | Outside AC unit is bigger than the old one. | 
|  | Top of the outside fan. |