Unvented natural gas space heaters

You do not have to vent out the roof you can go out the side wall. Just make sure there is not a header that you are going through. Just make sure you flash over the top of the vent. I see all the time they are put in with no flashing just relying on silicone.....:(

In Mikes case that's going to be a very long run to the outside. Plus most you guys are in the Extreme North were it gets very cold for very long periods of time. To run these units in the south for a day or three when the temp outside is in the 30's or 40's and you want to bring up the temp to 60-65 it's not going to make your windows sweat. If this was the case the windows would of sweat w/ the kerosene heater that you run now. You don't need to set the temp controls on kill, besides as many thing that I forget in the truck you will let plenty of fresh air in. :rofl:
 
Extreme North ??

http://www.worldweather.org/061/c00169f.htm#climate

Just like Michigan-Ohio...
Ok thats why I said MOST. I've lived in Pittsburgh for 28 years and now live in NC. In Pittsburgh, When it gets cold it stays cold for Long periods of time. So you have to run the heater for a long time. In Nc you might have a cold week but its always followed by sweat shirt and blue jeans days so I sorry if I was misunderstood but 45 degs in Pa is much colder than 45degs inNc because there is no sun. Heck I've been on the lake Jan 1st in 65 days :driving:
 
as mj2562 said to vent out a wall i only have 2 and 1 is the front of the house that wont work 2 is the end where the door is and that everyone comes up to wife would kill me the other 2 walls have house on them and there is house above the garage everywhere. so there is really no place to vent that it would look good, garage is fully insulated and is the door. i use a unvented kerosene now so when we work is there it is warm i just don't like the smell and i thought this would be a easer way to heat it
 
20K BTU ProCom blueflame wth thermostat, o2 sensor, blower, feet, works with no electricity if it goes out, NG or LP, at Menards for $169. Hooked it up yesterday and placed it in front of useless vented gas log fireplace. CO detector mounted 6' up in same room. Ill keep you all informed as the winter goes on. Will use as a room warmer, an hr or so when its cold and for emergency power outages which we havent had in yrs but still a better backup than kerosene. This old house is a sieve and I shouldnt have issue with air makeup.
 
i sell,install,and service gas ventless heaters.i am also a user.here are some things you should know.the biggest heater you can get is no more than 30000btus.when installing in bedroom or bathroom or anywhere people sleep,btu output should never exceed 5000btus.they should never be used as a main sorce of heat.always use a co2 detector.all ventless products have ods....oxgen depleation sensor.have them service everyyear.ods are a consumable parts.i have use these heaters for years and no problems to date.with 99.5%efficenty,they are cheap to operate.
 
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.the biggest heater you can get is no more than 30000btus.when installing in bedroom or bathroom or anywhere people sleep,btu output should never exceed 5000btus.

I think you have a period where you shouldn't? No more than 30K BTU's in a bedroom, bath room, alcove or closet (read that on the sticker of mine).

Here is mine: vfp36pp32ep - propane model

http://www.empirecomfort.com/EMPIRECOMFORT/pdf2008/manuals/VFP-SPPP-32E-NP-1.pdf

Any ideas to keep the propane smell down when 1st fired up?

I like keeping that floor around 63-65 so I can use the fireplace to take the chill out but the smell makes it not even worth turning on unless going to use it for a few hours plus. I turn on the ceiling fan, open a window on either side of the room to flush the air out but is kind of a pain in the azz.
 
I wonder if I should add a ventless insert into my wood burning fireplace and just keep the flue closed. My fireplace just sucks all the heat out of the house right now. I like the near 100% efficiency of ventless.
 
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