A couple of years ago already our roommate had just decided to install this very handy up-to-date Heating, Ventilation, & A/C system! She said it was the absolute newest technology & would solve all of our troubles now. Back after that I was simply blowing money due to the lack of insulation in the old home all of us were renting in. It got so bad actually that all of us wouldn’t even turn on the original system we had, instead, all of us would just open up all the windows & doors in hopes a really nice breeze would even come in. So when our roommate brought home the up-to-date system that we had I was very grateful but quite conscious. She had taken it upon himself to install the system there & even refused to just call or even ask our friend who was Heating, Ventilation, & A/C certified for help. After the first month with the up-to-date system, all of us had seen a very tiny drop in the electric bill there so our roommate took that as a nice sign for it all. She then made it to where the temperature control was almost regularly at 72 degrees nearly, which was the lowest all of us had ever had any of our Heating, Ventilation, & A/C systems. Well, when all of us got our next bill & the price had doubled I nearly fainted from it all. I had our certified neighbor nearby come take a look at it & it turned out that the up-to-date system would only save was only going to save us about a third of the amount all of us had been spending originally, so our roommate had been entirely wrong. I asked our neighbor if there was anything she could even do for us & she was able to service the system so that the temperature never dropped below 78 degrees regardless of what the temperature control machine said at the time. I have yet to tell our roommate but she really repeatedly gloats about how she magically fixed the Heating, Ventilation, & A/C system & our bills all by herself.