Gaps in the attic or between the lower floors and the attic will let heated (or cooled) air escape to the great, unconditioned outdoors, making any insulation you add essentially useless. Here's a quick primer on fixing draft-prone spots.
12 LED Colorful Fogger Light Water Fountain Pond Mist Machine
Aspee FOG/AGK-150 Giant Fogger Features:- - Sturdy/rugged construction. - Light weight only 8.0 kgs - compact & portable. - No moving part - hence maintenance free . - Simple hand pump-start machine within 3 to 4 strokes. - Body is made up of corrosion resistance stainless steel Equipped with fogging control lever
Apartment Living: Soundproofing Solutions for the Floor
Chauvet Nimbus Dry Ice Machine [Nimbus] - Low Fog & Dry Ice: Nimbus™ is a professional dry ice machine which produces thick, white fog that hugs the floor and dissipates without rising. This powerful machine heats enough water to create fog from 10lbs of dry ice to provide over 10 minutes of run time. Dual heaters allow for faster heat-up and recycle