Best Water Conditioner Installation in Aurora CO

So it just keeps getting worse.  I had a master plumber come out and check my tankless because the tankless wasn't functioning properly. Turns out they installed all of it incorrectly.  At the time they had installed my furnace and tankless 4 years ago, the gas line size that I had would not be able to provide the amount of gas for the BTUs needed so my system has been running improperly for 4 years.  They further discovered that all dip switches were set incorrectly, condensate line is installed incorrectly causing condensate trap to get clogged every time it fires gas, pressures were set incorrectly, condensate line was not draining into a proper drain and is just running with 3/8 vinyl tubing over to corner of floor which is very much against code, they installed a PVC line taped to the vinyl tubing that is getting clogged causing condensate to back up, and condensate line for furnace is draining outside which is also against cold which could cause freezing etc. etc.