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PRESTON'S GUIDE TWIN-VOLUME

The Preston’s Guide Twin-Volume contains the listings of nearly every make and model of air conditioner, heat pump and gas & oil residential forced air furnace produced in the United States and Canada over the past 45+ years.

This huge volume weighs just under four pounds and its 928 pp, 8-1/4" x 10-3/4", perfect-bound, twin-volume (two books in one cover) includes brand cross-references and lists the maker, type of equipment, model numbers, year(s) of manufacture, and the original factory specs on capacity and efficiency ratings.

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The book pricing includes all shipping and handling charges.

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