This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Free pamphlet aids shoppers choosing air conditioners
This National Bureau of Standards guide helps consumers select the right size by calculating BTUs needed from room area, climate, occupancy and room layout. It explains Energy Efficiency Ratio and urges comparing models for best cooling per watt, with a free booklet available from Pueblo Colorado.
MENTIONED IN THIS ARTICLE
National Bureau of Standards
Btus
Bureau of Standards
Dallas
Bureau
Consumer Product Information Center
Pueblo
Colo