first- thanks to all who responded to my question on HARD START KIT. for now, i am staying with what i got- i.e. no additional kit (on 3 ton)
as the units were being installed, a new fact surfaced that these units have NO CRANKCASE HEATERS (available as optional accessory)- my older units did. searched the net- it says needed only in very cold areas. so the question is - is NJ considered very cold?
here is what i have-
2-ton AS, silver 14 (regular A/C, not a heatpump)
3-ton - as above
location- MORRIS, NJ
Most don't come with them. It's not really needed unless you're running yours in the winter. (early spring and late fall also count) You guys are a few degrees warmer then here, and still most people don't have them here. Also, it'll use electricity when your A/C is off. (depending on how you wire it, it could be all the time) They are usually in the 25 - 150 W range. The oem one for your unit, will probably on the lower end.
It should extend the lifetime of the compressor, assuming nothing else goes wrong. It'll cost you in electricity, so you have a trade off. Some people with CCHs turn the power off during the winter to save a few $$.
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