Ventilation is also key, as temperatures can get surprisingly hot on sunny days . Many people use an electric, thermostatically controlled exhaust fan high in one wall and intake air vents low on the opposite wall to drain hot air.
32.
By installing a thermostatically controlled pump just after the farthest fixture on the loop, cyclic pumping maintains ready hot water up to the last fixture on the loop instead of wasting energy heating the piping from the last fixture to the water heater.
33.
While the majority of these pumps mount nearest to the hot water heater and have no adjustable temperature capabilities, a significant reduction in energy can be achieved by using a temperature adjustable thermostatically controlled circulation pump mounted at the last fixture on the loop.
34.
Heating was thermostatically controlled, air was constantly exchanged, and it had an independent fire alarm system, automatic clocks controlled from the principal s office, a medical room, the 25 by 75 swimming pool with showers and dressing room, and a number of other specialty rooms.
35.
"It's very similar to having a thermostatically controlled building, " he said, adding that information about the heating system _ as well as reports of existing trouble or potential malfunctions _ can be sent to superintendents and off-site managers through a dial-up connection and computer.
36.
A feature of the engine that attracted comment was the thermostatically controlled temperature regulator for the engine oil, which worked with an oil pump by redirecting the oil through, or away from, what was in effect a heat exchanger in a chamber filled with water from the radiator.
37.
It was equipped with a 110-volt auxiliary electrical generator, roof air-conditioning, thermostatically controlled propane heat, refrigerator, sink with hot and cold water, cooking range and oven, counter space, surgical and medical tables, bathroom with a shower, seating for four, and storage space for a well-stocked pharmacy, equipment, and supplies.
38.
Designed to give reliable service under prolonged hard use, the engine featured deep water jackets, an innovative diagonal head-to-block joint that allowed for oversized intake and exhaust valves, thermostatically controlled oil cooling, copper-lead bearings and a hardened crankshaft . Triple Solex carburettors and 7.8 : 1 compression and raised maximum output to at 5000 rpm.
39.
Just looking briefly around my house I can see many significant inventions ( significant to me, anyway ) not in the list : the condensing boiler, the electronic piano, thermostatically controlled central heating, handheld game consoles, wireless LAN, laptop computers, inkjet printers, pin tumbler locks, print on demand books, silicone sealant, chip and PIN cards, handheld electronic dictionaries, . . . I could go on.
