It doesn't get any more local than your own home
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NYT>Home and Garden> Preventing Heat From Sneaking Out of the House Weatherstrip your door utilizing a rubber door sweep. As an urbanite living in an apt. most appropriately described as "livable" in regards to its size, most of Tedeschi's article on weatherproofing a house does not apply to me. A house with an attic and basement? --I'll pass. However, Tedeschi provides a couple valuable weatherproofing tips that too applies to an urbanites apt.: If your doorway lacks adjustable thresholds, install a rubber door sweep (about $7 at Home Depot). Weatherstripping, is also a must, for doors and windows. Mr. Gfeller prefers stripping of various thicknesses (the labels say whether they’re designed for doorways or windows); Frost King’s cost about $4 to $7 a package. Mr. David prefers V-shaped stripping (about $4 from Frost King); this type, he said, breaks down less easily than foam. Thanks for the tips, Pragmatist. This would be the first step in retrofitting...