Electrical thermostat controllers for controlling temperatures of separate zone areas; universal power controllers for thermostats; automated building environmental control systems sold as a unit comprised of computer hardware and software, computer interface boards, thermostat controllers, flow sensors, air pressure switches and valves for maintaining environmental temperature and air quality; thermostatic controls for use with HVAC equipment for maintaining environmental control of heating and cooling units

'air':38,48 'area':10 'autom':16 'board':33 'build':17 'compris':25 'comput':27,31 'control':3,5,13,19,35,51,60 'cool':64 'electr':1 'environment':18,45,59 'equip':56 'flow':36 'hardwar':28 'heat':62 'hvac':55 'interfac':32 'maintain':44,58 'power':12 'pressur':39 'qualiti':49 'sensor':37 'separ':8 'softwar':30 'sold':21 'switch':40 'system':20 'temperatur':6,46 'thermostat':2,15,34,50 'unit':24,65 'univers':11 'use':53 'valv':42 'zone':9

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