This is a sign that something is either dripping, leaking, or not draining. But don't panic, sometimes it can be a very minor problem. In the cooling mode, the indoor evaporator coil and the suction line (the large copper refrigerant line in black insulation) sweats.
DEFINITION of 'Zero-Volatility Spread-Z-spread'. The constant spread that will make the price of a security equal to the present value of its cash flows when added to the yield at each point on the spot rate Treasury curve where a cash flow is received.he Z-spread is also known as a static spread.
A swap spread is the difference between the fixed interest rate and the yield of the Treasury security of the same maturity as the term of the swap. For example, if the going rate for a 10-year Libor swap is 4% and the 10-year Treasury note is yielding 3%, the 10-year swap spread is 100 basis points.