SERVING THE DFW METROPLEX “Family owned and operated since 1972” package units St. Lic. # TACLA019484E 214-742-7252 Glossary Tankless Water Heater A water heater that heats water before it is directly distributed for end use as required; a demand water heater. Temperature Zones In HVAC individual rooms or zones in a building where temperature is controlled separately from other rooms or zones. Therm A unit of heat containing 100,000 British thermal units(BTU). Ton (Air Conditioning) A unit of air cooling capacity; 12,000 Btu per hour. Sala Air Conditioning has been serving the DFW area since 1972, providing commercial and residential heating and air conditioning. (Parts, Sales, Service, Installations, and Repairs) Home | Products | Services | Coupons | Contracting  | Contact  | Employment  | About Us   | Sitemap Air Conditioning and Heating Terms Facts to know about air conditioning and heating Contact Air Conditioning Repair Service faq about heating and a/c faq about heating and a/c A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z T Air Conditioning and Heating Terms A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z T