Papa Plumbing

I called papa plumbing to fix the furnace in Feb2017. He told me need new control switch on the furnace, he changed it for $850 ! I felt he charged us overly ! That was ok done was done ! Last week the furnace stop working again, so I called papa plumbing again , I was just about to explain him that , the furnace was fixed in feb, now we are having iuuse again, he didn't let me finish sentence, he said "are you looking for free, we are not going to do free for you, I said you didn't even let me finish , what I was saying to you , I said I would write review about your company, he said go ahead, we will pay $50 to remove it ! Then he keep calling me many times, and finely , he texted threatening me "saying you think , you can scare papa plumbing by writing the reviews, his behavior was very unprofessional, I have called many plumbing companies through my life time , never dealt any one like that ! Next day I called different company, Thry were very friendly and pleasant job was paid and done ! I was very disappointed in papa plumbing , I would never call anyone to do free job for me ! What was he thinking !