Patent ID: 8869838

Claim:
An insulating plug designed for insertion into one of an air conditioning sleeve, a duct or a chimney comprising: two flat, rectangular outer shell layers; a minimum of 1 flat, solid rectangular layer of insulation in parallel with and extending substantially across an entire flat surface of each of said outer shell layers; and a minimum of 1 flat, solid rectangular layer of gasket in parallel with and extending across an entire flat surface of each of the layer of insulation and with the outer shell layers wherein the insulation and gasket layers are located between the outer shells with all layers and shells fastened together; wherein the gasket layer extends beyond an entire perimeter of the outside edges of the outer shells and is designed to contact the interior surface of one of an air conditioning sleeve, a duct or a chimney; and a minimum of 2 handles on at least one of the outer shells designed to be used for placing and straightening the plug inside one of an air conditioning sleeve, a duct or a chimney.