How does performing planned maintenance save the customer money?
A) The customer will receive money-saving coupons to purchase new equipment.
B) Reduced operational cost and longer equipment life
C) Most air-conditioning contractors perform seasonal maintenance at no or reduced cost as a public service.
D) The customer can apply for the federal air conditioning maintenance tax credit.
Question 2
A piping system that has the main supply pipe from the boiler enter the first baseboard unit, all baseboard sections connected in series, and the outlet from the last baseboard section connected to the circulator pump, which connects to the boiler, is called a:
A) Series loop, single circuit hot water piping system.
B) Two-pipe, reverse return hot water piping system.
C) Series loop, double circuit.
D) One-pipe, venturi piping system.
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