We're spending our first winter with hot water radiator heat, and every time it drops below freezing it is difficult to maintain 65° no matter how high we set the thermostat. The floors are freezing (original wood flooring, recently refinished).
When it's above freezing heat maintains at 2 degrees above what the thermostat is set to, which is great. But even then it takes over an hour to raise the temp by 1°F.
When it's below freezing we cannot raise the temp above 65 even if we crank it to 74°
Is this just the way it is, or is this a problem with our system?
Should we just pick a number and leave it? We like it to be colder when we sleep (62°), but several of us work from home so we