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Too hot upstairs after conversion to gas-fired steam boiler
Help! I swapped my ancient oil-burner for a shiny new gas
steam boiler, and suddenly it's too hot upstairs!
When I removed the asbestos insulation from my steam pipes
during the conversion from oil to a new gas-fired (Burnham 140,000 BTU) boiler,
and covered the pipes with high-quality fiberglass clamshells, I seem to have totally
altered the heating pattern in my hundred year old wood frame house.
I think the big old snowman and the not-so-efficient
asbestos-soaked cardboard allowed a lot of heat to rise up through the basement
ceiling to warm my first floor. Now, after installing a boiler that is so well
insulated that it isn’t even warm to the touch, and with the new fiberglass
pipe wraps, my basement is wicked cold and my first floor is pretty cool at floor
And that means that my old thermostat (five feet off the floor) which
previously sensed some warm air rising from below now only gets air warmed by
the first floor radiators. So by the time the thermostat shuts off the boiler such
that my first floor maintains a pretty steady 70 degrees, my second floor is
76-78 degrees! All eleven of the cast iron radiators have got vent-rite’s, which are set to 2 on the second floor,
and set to 6 or 7 on the first floor. The radiators don’t get hot all the way
Other than spending a gazillion dollars to remove the
ancient settled blown-in insulation and then re-insulating the entire house, what could
I do to keep the upstairs closer to the same temp as the downstairs?