Infraction: 1. All posters are to make an effort to communicate clearly.
Message to User:
It is not necessary to put an empty line between each sentence. Also, please fix your profile so that it points to a valid armory page.
The only reason it has 'gone down' in efficiency is because it has a lower base and a lower coeff than PoH, meaning your PoH is scaling better with better gear.
Still stands that CoH is instant, smart, heals 6 people.
So yes it makes sense you are not casting it as often.