What is tonner in aircon

Many people think it has something to do with how many tons of air the unit handled in a given time. Air conditioning tonnage has nothing to do with weight. A ton, as used in the HVAC field, is a term that describes how much heat the AC unit can remove from a home in one hour.

The measurement for heat is the British thermal unit BTU. One ton of air conditioning can remove 12, BTUs of air per hour. A four ton unit can move 48, BTUs and so on. The U. October 25, Waking Up Tired? Increase Font Size. Underline Links. Highlight Links. Skip to Content. Photo of ice harvest by Robert N. Dennis, in the public domain, from Wikimedia Commons. Bless you, Allison for Bless you, Allison for bringing unanticipated joy to my day!

Rob G. I thought not a single person would notice Chaucer in there. I also laughed out loud. Hmm… and just when I Hmm… and just when I thought you were going to demystify nominal capacity vs. AHRI capacity vs. David B. The discussion of whether to use Very Interesting! So in that sense, tons of ice was also a rate.

But when automatic energy conversion systems like compressors entered the scene, engineers standardized on hourly rates, pretty much across the board.