A. Jeremy installed his home air conditioning system 3 days ago.
B. Jeremy had his home air conditioning system installed 3 days ago.
Feedback We use the Causative Passive to say that some service was done / will be done for us by someone else. It is formed: [subject + causative verb + object + past participle]
C. Jeremy had his home air conditioning system been installed 3 days ago.
D. Jeremy had his home air conditioning system had installed 3 days ago.