jdavis103 wrote:On one hand, it talks about how it uses infrared heating to only heat the objects in the room, for high efficiency. Sounds great!
On the other hand, it has a blower, and its internal thermostat is obviously sampling the air temp to regulate things.
Those sound contradictory to me. So really it's just a heater with a fan?
Yes, it's a temperature controlled heater with a fan.
The following is true for most digital temperature controlled heaters:
The sensor is in the back, behind the input filter. Having the sensor in the air input stream makes sense.
But, many people put these heaters against a wall and on the floor. It's colder on the floor. And, walls have a huge thermal mass. So, the room may be warm, but the wall and the floor can still be cold.
The air going into these units looses heat (gets colder) from the wall and the floor.
Therefore, these types of units are good for keeping a room at a set temperature always. But, they are not that good for heating up rooms to a temperature.
Of course, if the units are put *safely* on a living room table, then the heater is able to get a good sense of the room temperature, and the heaters work very well at controlling the room temperature.
Of course, again, a person has to know how each model does temperature control.
As for the Dr Heater, I found the user manual online:
I have a similar type that I bought from ebay.
One thing some people may want to watch for is if you can set the temp and also set a low or high output setting. Many heaters of this type don't allow that ability.
From the manual:
The desired temperature will set and execute after the LED display stops flashing and displays the room temperature again. This is your ideal
setting. The heater will keep LOW heating output when room
temperature is 1 degree lower and 2 degrees higher than the set temperature in order to keep the space warm enough. The heater will turn OFF when the room temperature is 3 degrees higher than the set temperature, and will start
automatically when the room
temperature drops below 2 degrees than the set temperature.
For example: If your ideal setting is 72F, the heater will keep LOW heating output in 71F to 74F, and will
turn OFF in 75F.
I hope the above helps.