I want to add a zone to my wood boiler to heat the garage. The wood and oil boilers are tied together so oil can heat when nobody is around to put wood in the wood furnace. Since I won't be heating the garage all the time and don't want to keep draining and refilling the system how about antifreeze in the system? Should it be that RV stuff and can I leave it in the system all the time at 50/50 mix?
- posted
13 years ago