Physics. British thermal unit; British thermal units.
b.t.u. 🔊 Listen to this Physics. British thermal unit; British thermal units. What is a BTU? What is a BTU? Calculate-BTU-Per-Square-Foot-Step-9 Calculate-BTU-Per-Square-Foot-Step-9 Calculating the British Thermal Unit (BTU) Per Square Footage Calculating the British Thermal Unit (BTU) Per Square Footage What is a BTU anyways? – YouTube What is a BTU anyways? – YouTube Share Facebook Twitter Google +