Technical Reference Guide

Technical Reference Guide

$79.00

This pocket field guide tells you the age and capacity of hundreds of home heating and cooling systems.

Product Description

When you have a heating or cooling question, don’t guess! The Technical Reference Guide decodes model numbers and serial numbers to help you make an accurate evaluation. This pocket guide tells you the age and capacity of hundreds of home and commercial heating and cooling systems.

Additional Information

Weight 1 lbs
Dimensions 10 x 10 x 2 in