Related Clues:

• Heating stat
• Elec. power measure
• One of about 3,412 in a kW-h
• Energy unit (abbr.)
• About 252 cals
• British heat meas
• Energy measurement, for short
• Air-cond. unit
• Furnace capacity measure
• Utility bill meas
• Heat fig
• Letters on an AC
• A/C letters
• Abbr. on some natural gas bills
• Approx. 1,055 joules