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Heating your garage, what's your setup.

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racecougar

Well-known member
Joined
Jan 26, 2021
Messages
5,035
Location
Missouri
30'x60'x13' building near St. Louis, MO. R-19 walls and R-55 ceiling. Two 16'x8' insulated sectional overhead doors, one 9-lite steel man door, and six low-e 3'x4' windows. I used a 220V 5kW Dayton heater and a dual head tank-top propane heater for the first few winters, only heating the space when I was out there. That was marginal, and the propane increased the humidity in the building. I also cooled the building with two 5K BTU window AC units.

I installed a 24K Gree mini-split this past Spring. It was phenomenal in the Summer, and thus far has been just as great at providing heat. The real test will be in January/February, but I sincerely expect it will not have trouble keeping the place warm.
 

CraigStu

Well-known member
Joined
May 22, 2014
Messages
4,026
Location
Blacksburg, Va
If you would reconsider propane I have one of these w/ the built-in fan.
30,000 BTUs and I run it off a spare BBQ grill tank. My trick to feel safer is to shut off the tank and wait til the flame goes out, then shut off the heater. This is the spare for the grill in the summer and the grill is the spare for the heater in the winter. It is easiest for me since they are close to just exchange tanks vs filling them. This way I can let the tank run completely empty vs always giving the exchange place some free propane because I don't want to run dry.
 

Sturgeon

Well-known member
Joined
Oct 9, 2021
Messages
269
Location
W. Mt.
I'm useing a 60,000 btu propane Hotdog suspended from ceiling. Shop's 34x52x14 and surprisingly heater throws heat really good. Con's = noisy but trade off is positive. Mini splits are improving all the time and l will make one my first upgrade in a couple of years, unless my hearing fails some. He he
 

Jackfre

Well-known member
Joined
Dec 26, 2010
Messages
4,410
Location
N CA
I just installed my last two Rinnai DV wall furnaces. One went into my daughters garage/play room and last week I install the EX22 in my gara/shop. Actually it is a shop. No way a car will ever fit in there. The gas line took a few hours as I no longer have my dies and had to make a few trips to the Store. Setting the vent and heater and trimming it out took about two hours. Sweet heat!
If you can afford it the mini-split is the way to go in a well insulated space.
 

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remagenman

Well-known member
Joined
Oct 30, 2011
Messages
439
With a well insulated 1100 sq ft garage, a Toyostove Laser 73 has no problem keeping up with prolonged -40ºF spells. It's a 40k BTU direct vented heater about the size of a suitcase and runs on #1 fuel oil. These are very popular heaters in AK.

-40F!!!! I dont think I will complain much anymore!

Damn, now I realize I have way too much stuff for the space to be able to hang anything. My garage is your typical ranch style garage with no insulation, bare studs and not even insulated in the ceiling. I work more with electronics in the garage so I have wall to wall filled with stuff.

***** to have to work on vehicles outside under a pop up tent because it always raining here, WA, and the damn exposed aggregate driveway does not help any. At least the last homeowner left a gas backup generator.

Thanks all good setups (jealous of those big clean garages!) and have a better idea what to work with.

Btw, the person from remote SK, where is that?
 
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jonesg

Well-known member
Joined
Mar 15, 2010
Messages
1,698
Location
northern Maine/
I still ise a 60K BTU kerosene bullet heater when I have to be out there. Garage is insulated except for the wood panel overhead doors (2 car garage). Kerosene was getting rediculously expensive last winter, so I'll proably have to come up with something else.
we heat our house with a 10k btu kerosine heater up in maine, kero is at the pump , around $4.50 gal.
i'd like to get a kero torpedo version for the garage, it was 17F last night.
 

SweetD

Well-known member
Joined
Feb 8, 2010
Messages
3,265
Location
Rhode Island
24' x 24' insulated attached garage here...I've had a 30k btu natural gas ventless blue flame Mr. Heater wall-mounted unit since 2008. No problems. I have an 8" portable fan mounted to the ceiling which makes an immense difference in moving and mixing the air in the room.
 

finn

Well-known member
Joined
Mar 27, 2005
Messages
16,227
Location
The UP, God's country
32’x54’ garage with three doors + a man door, and ten and twelve foot ceilings. 75k Beacon Morris hang propane heater. Shares the 500 gallon tank with the house.

Shop is 48’x75’, with 16’ ceilings, but a 16’x60‘ section isn’t heated. The main shop work area, plus the office and bathroom has in floor hydronic heat with a wall hung 120k propane boiler, and a 300 or 330 gallon propane tank. The main shop area of the building is 32’x75’ and has another Beacon Morris 75k btu hanging heater. I find it more economical to maintain a low base temp, then bump the temp with a hanging heater when it’s work time.

The shop also has a back up electric baseboard heater, which is sometimes to take the chill out before I fire up the boiler for the season.
 

NUTTSGT

Super Moderator
Staff member
Joined
Sep 14, 2009
Messages
50,911
Location
Northern Central Ohio
-40F!!!! I dont think I will complain much anymore!

Damn, now I realize I have way too much stuff for the space to be able to hang anything. My garage is your typical ranch style garage with no insulation, bare studs and not even insulated in the ceiling. I work more with electronics in the garage so I have wall to wall filled with stuff.

***** to have to work on vehicles outside under a pop up tent because it always raining here, WA, and the damn exposed aggregate driveway does not help any. At least the last homeowner left a gas backup generator.

Thanks all good setups (jealous of those big clean garages!) and have a better idea what to work with.

Btw, the person from remote SK, where is that?
Build a shed for the stuff, then insulate your walls/ceiling. Add some wall covering of choice and make the place comfortable to work in the winter.
 

NUTTSGT

Super Moderator
Staff member
Joined
Sep 14, 2009
Messages
50,911
Location
Northern Central Ohio
Mitsubishi 36K Mini Split

My shop is block construction, 30' X 46' with 12' ceiling. No insulation in or on walls and ceiling insulation is currently only R13. In east TN the mini split does so well, I have no plans to upgrade any insulation. My shop stays 65 degrees year round, and the highest electric bill I have has was $137.
$137/ mo for the shop and house or shop alone ?
 

Jagmandave

Well-known member
Joined
Nov 6, 2011
Messages
6,303
Location
Overland Park, Ks.
700 sqft 2 car oversized garage with low ceilings of about 8ft, I use a window A/C with a heat strip - works a treat and of course it's fantastic in the summer heat and humidity. . It was inexpensive ($600) and easy to install, although I did have to run a 240V supply for it.
 

jonesg

Well-known member
Joined
Mar 15, 2010
Messages
1,698
Location
northern Maine/
I just purchased a Chinese knock off diesel heater, after a few days with it I ordered two more. My work areas are located in many different rooms in different buildings so this will allow me to pick a room to heat.

i see guys use these when working under the car outside, they run the hose.
i might try one, cheaper than a torpedo heater.
do you just run it on gas station diesel ?

i ordered one from amazon .$99.
 
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ronr80

Well-known member
Joined
Feb 13, 2013
Messages
504
Location
ontario
electric furnace mounted up on the ceiling works great and it's cheap.
 

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evh

Well-known member
Joined
Nov 20, 2018
Messages
155
Location
Midwest
Sharing what I do. I have a newer home with the standard 3 stall garage. One double door and one single door. Our two vehicles take up the main portion. My shop is in the single stall. Note, there is no wall between the two.

I have thought a number of times about installing a mini-split, or natural gas heater. But what I show in the pic below has so far proven more versatile and suits my needs. It’s your basic Harbor Freight welding cart. Welder and supplies occupy the top two shelves. 60/90,000 BTU propane heater is on the bottom shelf with propane tank mounted on a wood insert in the pack with a hole cut in the bottom to keep the tank secure.

90,000 BTU rely heats up my work area quickly. I usually don’t have to run it for longer than 15 or 20 minutes. It is very portable and I can aim it at the vehicles on the other side if I happen to be working on one of them. I have a Carbon Monoxide detector with a display mounted close by. It never registers anything when running. A full tank refill is $19. I refill about 3 or 4 times a winter in the upper Midwest.

Shot2034.jpg
 
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engineer2

Well-known member
Joined
Dec 13, 2009
Messages
11,798
Location
Chicago burbs
Williams 'between the studs' natural gas furnace. It was free because the HVAC guys couldn't fix it (or didn't want to). A $25 thermocouple magnet fixed it. I think its 32,000 BTU or so. A little big for a 2-car, but it heats fast. Sensi WiFi thermostat to run it.

williams.jpg
 
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loganb

ALLIANCE MEMBER
Joined
Dec 29, 2011
Messages
5,521
Location
Omaha, NE
18k Mr. Cool Minisplit for my 3 car attached garage in Omaha, NE. Probably could've gotten away with 12k due to how protected the garage is, without a doubt it's my favorite tool in the shop as it makes every other one more pleasant to use...or even just to stare at
 

tncatadjuster

Well-known member
Joined
Jan 3, 2010
Messages
1,988
Location
Memphis, TN
i see guys use these when working under the car outside, they run the hose.
i might try one, cheaper than a torpedo heater.
do you just run it on gas station diesel ?
First three tanks have been on diesel, with the hope of processing used motor oil through a centifuge and blended in with diesel. You will be impressed with btu output.
 

Whitworth

Well-known member
Joined
Dec 26, 2011
Messages
2,087
Have a 30k btu Mr. Heater propane unit. I estimate during the coldest days it consumes about 1 gallon of propane per day. That's only on the coldest days, and in central NC, so it can get cold, but only for a couple weeks and it doesn't get no where as cold as up North.

Also, I keep it off during the night and have to fire it up and heat the shop from stone cold up to temperature. Takes about 2 hours to get toasty in those cases. I'm nervous about leaving an open flame device on unattended, no matter what.
 

cpttuna

Well-known member
Joined
Oct 31, 2014
Messages
13,189
Location
napoleon ohio
got the idea from a former plumber(he's retired now.) i have a 60,000 btu mobile home furnace. Got it from the plumber for $300.00 installed in my 2 car garage. I was talking to him one day about his and he said it could be mine for $300. He said that the furnace some mobile home owners get with their new mobile home don't consider them large enough and get bigger ones. Plumbers wind up with a mobile home furnace looking for a new home.
 

Copymutt

Well-known member
Joined
Sep 3, 2016
Messages
3,390
Location
Colorado
The majority of my garage heat & light comes from passive solar. I do have a hanging NG 30k btu for cold mornings. Otherwise the sun does the job.
f battery tech, not viable. You need to be located in a high incidence of solar radiation i.e. SW Co. & orient your garage to take advantage of the free heat.
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PoorUB

Well-known member
Joined
Mar 29, 2021
Messages
11,627
Location
Fargo, ND
Sharing what I do. I have a newer home with the standard 3 stall garage. One double door and one single door. Our two vehicles take up the main portion. My shop is in the single stall. Note, there is no wall between the two.

I have thought a number of times about installing a mini-split, or natural gas heater. But what I show in the pic below has so far proven more versatile and suits my needs. It’s your basic Harbor Freight welding cart. Welder and supplies occupy the top two shelves. 60/90,000 BTU propane heater is on the bottom shelf with propane tank mounted on a wood insert in the pack with a hole cut in the bottom to keep the tank secure.

90,000 BTU rely heats up my work area quickly. I usually don’t have to run it for longer than 15 or 20 minutes. It is very portable and I can aim it at the vehicles on the other side if I happen to be working on one of them. I have a Carbon Monoxide detector with a display mounted close by. It never registers anything when running. A full tank refill is $19. I refill about 3 or 4 times a winter in the upper Midwest.

Shot2034.jpg
If it works for you, great! I can not stand to be in a building with these types of heaters, propane or kerosene fired. I am not sure why, but I think it was caused years ago when I got carbon monoxide poisoning at a shop I was working at. I got it so badly I passed out. I was able to get put of the building but passed out and fell in a snow bank. A friend of mine happened to stop by right before it happened and he said I was out for 15 minutes. I was lucky he was there and lucky I got outside. If I had dropped inside and he had not stopped by i would not be here today.
Since then I can't deal with unvented heaters.
 

4x4Pete

Well-known member
Joined
Aug 26, 2019
Messages
791
Location
Stroud
60k 25' natural gas infrared tube heater. 30x32x12 shop in southern Ontario. Well insulated and sealed. Keep it warm all winter, I hate working on cold projects with cold tools. It doesn't cost much to keep it on, somewhere around $200 a year. When I go out to work on a project I don't want to wait for it to warm up and the tools won't get warm if you cycle the temperature.
 

Crazyjake8493

Well-known member
Joined
Sep 26, 2014
Messages
3,953
Location
Upstate NY
I'm using a 240volt 5000/7500-watt hanging electric heater in my 20x30' garage, 8' ceilings. Works great. I pretty much leave it at the 5000 watt setting and it gets the garage up to working temps quickly even in the dead of winter. Small, takes up zero floor space, and I can turn it on via a wi-fi switch before I leave work so it's warm when I pull in. Should've went with this setup right from the beginning, not really that expensive to run since it's only when I'm out there working.

In the past I had:
Oil furnace - took up space, had to go buy diesel/kerosene
Wood stove - nice ambience, pain to cut and split wood, stove took up useful floor space
Kerosene heater - small, plenty of heat, had to buy kerosene.. it's now my backup heater for the house or garage
 

58Yeoman

Well-known member
Joined
Oct 1, 2010
Messages
8,999
Location
Central IL
I have a 24x40 metal building with 6" in the ceiling and 1.5" in the walls with osb walls. Big Maxx 75,000 propane heater on the ceiling gets it warm in a bit and keeps it warm while I work. I also have three ceiling fans that run almost constantly to move air.shop (5).JPG
 

Magnum440d100

Well-known member
Joined
Dec 2, 2018
Messages
3,581
Location
Indiana
Space heater at the work bench takes the edge off.


For the super super cold days, I have a torpedo heater.


When other remodel projects are completed, I’ll be installing a mini-split or something similar.

For now though, I’m thankful for what I have lol
 

smackey05

Well-known member
Joined
Oct 21, 2009
Messages
792
Location
Massachusetts
Hot water through this radiator with a temperature controlled fan. Haven't used it this year yet. I run home-assistant on a raspberri pi and monitor temperature and humidity.

I have an ecobee in the garage which controls the temperature of this garage and an old honeywell in the other garage. It works, but I would have liked a larger unit with a quieter fan. I spend a lot of time recording videos in the garage and work around the sound a lot of the time.

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alfadan

Well-known member
Joined
Mar 9, 2007
Messages
2,107
Location
Augusta, ks
I use a propane tank-top 3 burner catalytic heater on a furniture dolly to move it around easier. I point it where I'm working and might be just the thing if you're at a bench working on electronics.

If its below 35 out there, I'm inside watching youtube videos.
 
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