Question 1

does the unit emit a lot of heat from the back ?  I am concerned about mounting the unit on the vinyl siding inside the enclosed front porch

Accepted Answer

The back of the unit is not the problem, it's fine.  It's the heat coming out the vents on the top front...we do have our heater mounted on our vinyl siding on the back porch. When the flames are on, the siding above the heater does get hot, not the sides or the back.  The first time we were  enjoying our "heated" porch after having the heater installed by a professional  I noticed the siding looked funny...felt it, yup, it was hot, hot to the touch...great, now what....the heater is installed....we solved the problem by using a fan.  We mounted a small fan off to the side above the heater facing the wall so it blows the "heated air" coming out of the vents away from the wall....not the correct way I'm sure but it took care of the problem  without having to take the heater out.  The heater is not on when no one is on the porch.  Had we known before installing the heater we would have taken steps to put up a fire barrier of some sorts that would work correctly from the start....or perhaps mounting it further away from the wall than ours is set, which is about  3/4 to inch away....the heat goes right up the wall....on our other porch we have a heater also but it is on legs and sit about 6-8 inches away from the wall and there is no problem with the wall heating up.  I hope this helps.

Question 2

Can mr. heater provide me with an accurate ppm reading for this heater? accurate carbon monoxide meters: senorcon or pyle.

Accepted Answer

No. I installed a separate CO monitor on the opposite wall about 15 feet away from the heater as instructions recommended. Readings have remained at zero.

Question 3

I need a replacement for my bathroom  heater and need to know the size of this heater and can it be used to replace a vented one?

Accepted Answer

23.8 x 11.2 x 27 inches 
Yes, it could replace a vented one, although it doesn't require a vent according to the design.  But in all reality they do because they are oxygen hogs and small spaces are not optimal for it to breathe and you'd basically have to leave that existing vent open and even then it might rob the room of oxygen.  I wouldn't use in a bathroom, if vented worked I'd get the same thing.

Question 4

Does the Natural Gas version of this product come with a gas line?

Accepted Answer

No, you need to provide your own gas line. I recommend the yellow flexible gas lines which are readily available at big box stores.

Heating Coverage	500 sq ft
Heating Element	Radiant
Heat Output	10000 British Thermal Units
Fuel Type	Natural Gas
Voltage	120 Volts
Heating Method	Convection
Recommended Uses For Product	Home, Sun Room, Additions, Cabins
Mounting Type	Wall Mount
Room Type	Living Room, Bedroom
Additional Features	Adjustable Temperature
Form Factor	Cabinet
Power Source	gas_powered
Item Weight	24.75 Pounds
Item Dimensions D x W x H	23.75"D x 9.25"W x 25.25"H
Color	White and Black

Mr. Heater Enerco Group Inc Vent-Free 20,000 BTU Blue Flame Natural Gas One Size, Multi

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