I have a rectangular-shape room with a gas fireplace in one corner. There're two thermometers: one by the fireplace, another in the middle of the room. When the heat has been off for a while, the temperature on both is the same. When the fireplace is on, the closer thermostat can get up to 10 degrees F warmer depending on how long it's been running.
So I wanted to heat the room more evenly and got the blower/fan thinking it would make a difference. Installed everything according to the manufacturers recommendations, checked that it pulls the air from and blows it out of where it is supposed to. Tried different fan speeds. After a few days I don't think I notice the difference. And the thermometers seem to be off by the same amount -- it doesn't seem like it's become more evenly circulated.
I got the blower on Amazon, so I asked this question on the product page and someone who claims to work at a fireplace shop said something about the fan being a convection fan, not forced air one and the effect depends on the environment. But didn't elaborate on how to figure out and make it work.
So I have two questions: are these blowers any good in general? And if there's indeed some work that needs to be done besides installation to make it more effective, then is there a good resource on how to make that happen?
(Not sure whether it's important or not, but there's a staircase not far from the fireplace, maybe it runs the air from/to there instead of within the room.)