Questions & Answers for: Carrier whistle noise

...whistle noise kelvinator split KSR25F-01 a loud whistle noise is coming from the inside unit . the unit can run for many many hours then the whistle noise starts . the unit does not have this noise ...

i have a high efficiency carrier gas fired furnace.during heating cycle the burners are ignited & when the blower comes on i have a whistling sound.I changed the power vent motor assembly but the ...

whistle noise from the air handler Check the filter and change if dirty or restricted. Make sure the blower access panel is secured. Make sure the cooling coil is clean on the top (outside) and on the

central air was added to pre-existing ductwork...when the 2 lower zones close and the upper floor zone is open, it results in whistling noise in the 2 lower zones. I beleive this is due to the size of