Your fridge, Heat/AC and water heater uses thermostat to control the run cycling. if you reduce the run cycling frequency you will reduce energy consumption a.k.a your utility bill.
improving apartment isolation not only reduce the cycling while running your Heat/AC it will also reduce the noise from the outside and inside, increase your home good vibes and reduce noise to your neighbors. this what we call win-win-win.
We at Winbranch Complex believe that following the above tips will save you a lot of money.