After about ten years of cleaning and service from” Airflow heating and cooling” I had them replace my old furnace and AC unit. And they did a top notch job the old unit that was installed had pipes coming and going, they without asking reran all the drain piping from various other items so now I have probably 10 more square feet of usable floor space in the furnace room, anyway the installation took a good day along with a a new humidifier Steve and Bill did a great professional job and it looks and is working great.