Have a certified HVAC company come out and service your system just to tune it up (cost should be $200’ish) then go for the insulation, windows, and doors. One more thing on the negative side ...
Kevin Goude, experienced HVAC expert and owner at First Choice, says, 'It depends on your home's insulation ... such as the SF Xtra Sound Attenuator (Acoustic) Vent available at Titon,' recommends ...
Insulation Type (Thermal & Acoustic), End Use (Industrial & Commercial, Transportation and Consumer), & Region - Global ...