I installed the tonneau with the help of a friend in about 4 hours, was not too hard. Being that I was only 4 hours drive from ERA, I opted to have Jack install the top. He had it done in a day! Looking forward to getting some side curtains in the near future. I have driven in 35 degrees with no top or heater, it was rather cold. Now that I have a top and a heater, with the side curtains it might be too warm