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3. Air-conditioning unit: Abbr

Alternative clues for the word btu

• About 252 calories, briefly
• Energy measure for air conditioners: Abbr
• HVAC abbr
• A/C abbr
• Meas. used in heaters
• Letters on an AC
• 251.9 cals.
• Heat meas.
• Calorie's big bro
• Measure of heat energy