Intuit说不可以：
Federal Tax Credit for Residential Solar Energy - TurboTax Tax Tips & Videos (intuit.com)
“
You can't claim the residential solar credit for installing solar power at rental properties you own. But you can claim it if you also live in the house for part of the year and use it as a rental when you're away.”
Turbotax确实也没给我机会填装solar花了多少钱
但是，SkyPower说可以：
Solar Tax Credit California | Sky Power Solar | San Ramon & Tri Valley CA
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Anyone who buys and installs a PV system and pays federal taxes is eligible for this solar incentive.
The property in question doesn’t even have to be your primary residence. Vacation homes, stationary RVs, and rental properties all qualify if you install solar PV panels on them.”