Page's Mechanical

Review: I purchased a Coleman unit paid 3800 for it.I bought it august 227,2014. After Mr[redacted] workers installed it he came and said it would cool down by nighttime but it didn't for weeks.Since then I have contacted Mr [redacted] for several months and he keeps saying he coming but never does.My heater is blowing cold air and I have 3 small children.Desired Settlement: I would like my heater and air working for I paid 3800 for this