I'm in a bit of a bind with my current plumbing setup. My townhouse (NJ) is built on slab and all my major HVAC/water appliances are sitting in a small laundry room on the ground floor level (see the image). Now came the time to replace my furnace but its completely blocked by the pipes coming in and out of a water softener and also lots of space on the right side is taken by a water heater. Bottom line, its not really possible to replace the furnace w/o removing either the water softeners pipes or the heater or both. Water heater is quite old and I dont mind replacing it at the same time. My question is, how do I coordinate the whole effort? Should I call the plumber and ask him to remove the softener with its pipes and let the HVAC guys install the furnace? Also is it realistic to clear the area from both water softener and old heater, install furnace and then put back the new heater and softener. I dont mind dealing with cold and hard water for a couple of days but I need to know if it all can be completed within that period.