According to the Modine instructions I am Horizontal Venting and cat lll is required. I will exit the heater horizontal for 18”, then go up about 4’ (1’ in the garage and 3’ the other side of the ceiling in unheated attic, then horiz again for 1 foot to the exterior wall and 1 foot outside to...
I live in PA and am trying to work out the venting of my new garage heater. The garage is attached to my house and there is attic space (unheated) above the garage. For a number of reasons I need to vent thru the unheated attic. I need to go up thru the garage ceiling and into the unheated...
I'm ready to cut a hole in the side wall of my garage for my 75K Hot Dawg heater but am confused about the thimble size requirements. I have not purchased the vent parts yet.
The Modine installation manual has a diagram of a horizontal vent thru a combustible wall It's not dimensioned very...
I'm making plans to install a Hot Dawg in my garage. The heater will be about 2 feet from the exterior wall and the exhaust vent on the heater will be about 12 inches below where the exhaust will exit thru the exterior garage wall. So while the overall exhaust is horizontal there will be a...
I have natural gas. I will not leave the heater on all the time. Perhaps once per week when I need to work in the garage for a few hours. This morning it was 27 outside but 42 in the garage.
I was ready to pull the trigger on a Big Dawg but was ignorant about venting until I read more on this forum. Jackfre has provided good info on Rennai. I have no good options for venting a Hot Dawg. So I’m considering the biggest Rennai.
My garage is 21x 32 x 10. Roughly 650 sq ft. And...
Thanks for all the responses. I wasn’t familiar with CATIII pipe. It is expensive! My best option then is for a short exhaust pipe but thru the front of the house. I really don’t think I like the way this will look.
Any suggestions how to make the exhaust not so ugly?
Also the pipe would...
I’m about to have a Big Dawg natural gas heater installed in my 3 car garage. The best placement means that the exhaust pipe will need to run from the back of the garage to the front, above 1 of my cars. This will be a 21’ horizontal pipe. I will only use the heater occasionally when I’m...