glycol

I'm house-sitting for a friend who's away for extended time, but we're in frequent contact. We're trying to determine whether or not his slab-heat residential boiler system has a leak (approx. 1,800 square ft). He recently had the zones drained (they were nearly or completely pure water) and...

Newbie looking for some help. I have an existing ground source heat pump installation which has worked fine for a number of years. I recently had a leak in my ground loops which I have now repaired but lost some fluid in the process so have topped up with water to get the system running. I have...