On 6/11/2016 10:03 AM, Gary wrote:
> Brooklyn1 wrote:
>>
>> Agreed, best to call for service early, before they are backlogged. I
>> call mid April and they make an appointment for mid May because that's
>> when it's warm enough here for A/C to operate. If I waited to call
>> when it's already hot here they may not get to me until the end of
>> June or even into July.
>
> An A/C guy once told me to turn on the A/C for about 5-10 minutes once
> a month even during the winter months...just to keep all parts
> working.
>

I've heard that too from an engineer that designed HVAC for one of the
major manufacturers. The AC in your car get used when you turn on the
defroster so that keeps things lubricated.