dannac
Oct 7, 2013, 04:31 AM
Though the unit seems to be cooling as normal... my Trane Heat Pump gives a hissing sound when the A/C turns off.
The noise comes from where the copper lines enter the interior unit.
The hissing last approx 20 to 30 seconds.
Any ideas on the cause ?
The noise comes from where the copper lines enter the interior unit.
The hissing last approx 20 to 30 seconds.
Any ideas on the cause ?