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g73 electric heater

Jack T.

Active member
Joined
Oct 31, 2007
Messages
31
Hey guys, any reason a natural gas heater wasn't an option? I'm building a garage that's a little under 800 sq ft and put a Hawt Dawg gas heater in there. If I set the thermostat up from 45f to 65f, it reaches temperature in about 10 minutes. Tested it earlier today, and it's about 15f outside.
Gas is pretty cheap these days...

Cheers.

Yeah, that's great if you have access to NG. Our place doesn't, so it was either electric or propane. Went the path of least resistance with electric, figuring if it didn't do a good job I'd go to propane. For keeping the garage above freezing and bearable if not toasty, the G73 fills the bill.
 
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snowball

Member
Joined
Dec 15, 2010
Messages
8
Location
Edmond, Okla
Newbie here, been lurking for a while and really appreciate the info on heaters. It doesn't stay real cold in Oklahoma but has at times been below zero and then I just stay in the house. My 1200 square foot shop is insulated but has no heat. I think the way for me is two G 73's, one on each end of the shop and use both for start up and when I need to open one of the overhead doors. I imagine I could turn one off after warm up. I stumbled on to this forum and think it's great.

Gary
Edmond, Okla
 

phk_xb

Member
Joined
Nov 23, 2008
Messages
10
Location
Nova Scotia
I installed my Dayton G73 today using a 30 amp breaker and 10/2 wire. The heater does not seem to be getting hot to me, it feels just warm. I dont have a heat gun but I will get one tomorrow to see how hot its getting. I see that Interex is showing 300*F. I am confident that mine is not getting that hot. I know the wattage can be adjustable and mine seems to be hooked up for 5000watts. Did anyone else have an issue with the temperature on their Dayton G73? Also i checked and line 1 is getting 120v and line 2 is getting 120v.
 

cal67ss396

Active member
Joined
Nov 29, 2010
Messages
34
Location
Central Indiana
I bought a new air g73 wired it and hooked it up and was waiting for it to warm up. But the fan never kicked on and the element woud get glowing red hot and then the warning light on the front would come on. I would then turn the thermostat down and the light would go off and the fan never kicked on after that. I have the thing wired with a 10/2 cord pigtail that gets plugged into the wall in one of my welder outlets. Am I doing something wrong or not waiting long enough or has someone else experienced this and all of this is normal. If this unit is broke I hope I can get my money back because I think I may go with a gas unit.
 

1jjpop

Well-known member
Joined
Nov 24, 2009
Messages
481
Location
Central Iowa
I would like to hook up a thermostat on the wall to my Dayton G-73 heater.What kind would you buy and how would you wire it???? My heater works great in A 18' x 22' garage with 7 foot walls.And insulated real good.
 

Keep

Well-known member
Joined
Jan 1, 2009
Messages
1,398
Location
Oshawa, Ontario
I ordered my Dayton g73 from Air and Water. Was still $150 cheaper after shipping then it was buying up here. I have been very happy with this unit. I have had it for over a year now and its great.

For those saying "It doesn't get hot" Give it a bit of time, if you are trying to heat from 30 degrees it will take it a bit to catch up. Once it does you will most likely end up turning the unit down as once it hits about 55degrees it heats much faster. My garage is 19x22 all insulated minus the wood door. I turn it on about 15 minutes before I go out there to work.
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
I bought a new air g73 wired it and hooked it up and was waiting for it to warm up. But the fan never kicked on and the element woud get glowing red hot and then the warning light on the front would come on. I would then turn the thermostat down and the light would go off and the fan never kicked on after that. I have the thing wired with a 10/2 cord pigtail that gets plugged into the wall in one of my welder outlets. Am I doing something wrong or not waiting long enough or has someone else experienced this and all of this is normal. If this unit is broke I hope I can get my money back because I think I may go with a gas unit.

i think your supposed to direct wire it instead of a plug
 

cal67ss396

Active member
Joined
Nov 29, 2010
Messages
34
Location
Central Indiana
i think your supposed to direct wire it instead of a plug

I am not understanding how this would make a difference, in the fan not kicking on.:confused: The welder plug is a 10/2 with ground wired plug that goes back to my 100 amp service to a 30 amp double pole breaker. The element woud get glowing red hot, but the fan would never kick on. I am essentially wiring it exactly the same way I would if it were hard wired (in respected to wire size) I understand that hard wired would be without a plug. Just confused here, maybe someone with some electrical knowledge can enlighten me. I may be wrong but I thought someone else on this board had theirs also wired with a dryer pigtail or something similiar.
 

rickairmedic

Well-known member
Joined
May 31, 2005
Messages
4,165
Location
louisville ,Ky
Cal you have a bad unit I would recomend returning it for a new one theres a problem with the unit . The fan should come on at the same time as the resistance heat .


Rick
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
without seeing it i dont know hows his is wired,whether its right or wrong,my new air works excellant on my bike shop side,a little on the noisey side(didnt realize it was noisey untill i got my dayton)my dayton is on my car side,really quiet,thermastst on front where you can see it and put out plenty of heat,its zero degrees here in sd and its 65 in my garage:thumbup:i love both heaters so you must have a bad unit if its overheat light comes on
 

cal67ss396

Active member
Joined
Nov 29, 2010
Messages
34
Location
Central Indiana
Returnning the new air g73 to Amazon this week and should get my Dayton g73 unit from greenhouse mega store yet this week.:bounce:

My dad came up to my house on Sunday and looked at it and he was pretty confident that it was defective and felt that I should send it back.

I contemplated on going with a Mr. Heater 75 K Propane unit but right now that is alot of money to spend out on heating my 21x21 garage. I don't think I have heard one person complain about the Dayton unit. And once I get my ceiling insulated and my overhead door to seal better I am pretty sure the Dayton unit will do the trick just fine for me. I am on vacation next week and plan on getting the Dayton unit installed before then.:bounce: Once I do I will let everyone know how everything worked out.

Now its time to go post in the FNG thread. Great site I love it lots and I mean lots of good ideas on here. Some of you are pretty crafty little devils.:thumbup:
 

FreddyG

Member
Joined
Oct 2, 2006
Messages
8
How expensive are these to run if you wanted to keep the garage at 55-60 all of the time compared to natural gas?
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
it depends on what your kw is,i dont care what it cost as i am always in the garage and i dont like 2 be cold:thumbup:
 

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kb2tha

Well-known member
Joined
Oct 4, 2010
Messages
495
Location
Delaware County, NYS
Posted by cal67ss396:

I contemplated on going with a Mr. Heater 75 K Propane unit but right now that is alot of money to spend out on heating my 21x21 garage.



75k in a garage that size would be way overkill. Perhaps more like a 30k.
 
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royalton10

Well-known member
Joined
Oct 19, 2007
Messages
247
Location
Lancaster, Ohio
How expensive are these to run if you wanted to keep the garage at 55-60 all of the time compared to natural gas?

Depends on the kwh cost. I think this is a 5 kwh heater so if it runs every minute in an hour, it would consume 5 kwh. Take cost of your electricity times 5 kwh and that would be max cost per hour. If your cost is 5 cents per kwh times 5 equals 25 cents an hour. If your cost 15 cents times 5 equals 75 cents per hour. That is running a full 60 minutes in an hour.

On my electric bill there is cost of electric plus distribution cost. On my bill the total for both is 8.5 cents per kwh. I think I am naming it correctly here as kwh.

This is my second winter in central Ohio with the heater. I only run it when in the shop. I cannot give you a total cost of what it takes to run the heater. I have not looked at it that close.

You will really love this heater. It runs me out of my 22x24 in short order once it is warmed up.
 

halltrail

Well-known member
Joined
May 4, 2010
Messages
45
I just bought a Dayton g73 from the greenhouse place. Nice people. Said it will be dropped shipped from my local grainger. Should have it today or tomorrow. Ill be putting this in a 24x24 with 12' ceilings and a 2nd level room...with no drywall and no insulation...I know im dreaming about it keeping the place warm. I do have a 150k btu kero heater to kick start things. Garage was just finished a month or two ago. I wont get to insulating and dry till spring. Ill provide some comments once it is in and working.
 

rinker1

Well-known member
Joined
Aug 30, 2008
Messages
289
Location
Ohio
I have the g73 in a fully insulated 30x32 garage with 10 ft ceilings only heating it when I'm out there. For a quick heat up I have to heat it up with the salamander and then the g73 will hold its own. It would take a couple hours or more to get it comfortable on its own. I gota tell ya I like to be warm so a quick warm up is important to me.
 
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halltrail

Well-known member
Joined
May 4, 2010
Messages
45
The heater came in last night..installed it and I'm impressed.keeping an uninsulated garage at 54.7f but running constant., I did pick up some r19 insulation and I'm going to at least do the ceiling...started today
35f outside.

2010-12-23%2018.18.15.jpg
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
i keep my heater 1 click above off when im not in my car side it still keeps it 43 degrees and when im in there i keep it 55 degrees,it doesent take long to warm up.my motorcycle side is kept 65
 
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snowball

Member
Joined
Dec 15, 2010
Messages
8
Location
Edmond, Okla
I just ordered a G 73 for my 30X40 insulated shop. I hope it will keep it warm enough by itself. The celing is 14 feet at the center. It seems like alot of space for the little heater to heat but from what I've read here it sounds like it will do just fine. I don't go to the shop if it's below 30 so it should work OK.
 

radchad3

Well-known member
Joined
Dec 6, 2010
Messages
71
Hey Gary! My garage is about 800 square feet with 12 ft ceilings. My G73 does a great job keeping things 42-50 degrees on the low setting. My garage is insulated. Your space is pretty good size but hopefully you will find that one heater will get the job done. If not, a second sure will! Let us know how one G73 performs in your space!

Chad
 

Weedwaka

Well-known member
Joined
Mar 28, 2008
Messages
737
The heater came in last night..installed it and I'm impressed.keeping an uninsulated garage at 54.7f but running constant., I did pick up some r19 insulation and I'm going to at least do the ceiling...started today
35f outside.

2010-12-23%2018.18.15.jpg

I would do your walls too. Your insulation will be free vs not insulating in no time at all. How many kwh does that pull in a day on high ? :shocking:
 

snowball

Member
Joined
Dec 15, 2010
Messages
8
Location
Edmond, Okla
Hey Gary! My garage is about 800 square feet with 12 ft ceilings. My G73 does a great job keeping things 42-50 degrees on the low setting. My garage is insulated. Your space is pretty good size but hopefully you will find that one heater will get the job done. If not, a second sure will! Let us know how one G73 performs in your space!

Chad

I had thought about installing two G 73's but I'm hoping one will do. I'll let you know how it does.
 

Stargeezer

Well-known member
Joined
Jan 12, 2009
Messages
347
Location
Central Nevada, USA
I've had the Dayton G73 running for two seasons now. It is great. I have a 27 X 30 X 10 foot section of the 30 X 40 steel buliding partitioned off and have the heater on an end wall up high on a beam. I have a wall mounted thermostat on the G-73 and bought that from Grainger. In the center of the room-a downdraft ceiling fan distributes the heat nicely.

With temps in the teens-I can easily maintain 50-60 degrees. Over this past holiday I ran an experiment: Rather than let the room get down to 35-40 overnight-I left the thermostat set for around 50 degrees. Over the coarse of a few days-I turned the thermostat down a little each day to keep the temp the same. I think once the building soaks and becomes thermally stabilized-it takes less and less energy to keep it at a moderate temp. The end setting on the thermostat was below 50 on the dial and the wall thermometer on the opposite side of the garage was right at 50-52 all day and evenings I was out there. I find 50 F is an ideal working temp and regulate my person with watch cap and insulated work vest depending on the task. Plenty comfy and the G-73 is only on itermitantly-may a short time every 20 -25 minutes??

Update: Here is a link to the thread I started when I selected the G-73. Lots of good info here on the remote thermostat instal and good diagrams and images too:

G73 Thread
 
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halltrail

Well-known member
Joined
May 4, 2010
Messages
45
I would do your walls too. Your insulation will be free vs not insulating in no time at all. How many kwh does that pull in a day on high ? :shocking:


I agree and Im working on it. lol. I got the ceiling insulated and ordered a dry wall lift so I can drywall the ceiling. Then I'll do the walls. The ceiling made a big difference already with it about 30 degrees out side - I can keep the garage at 55-58* and the heater only kicking on about 2-3 times an hour.
 

snowball

Member
Joined
Dec 15, 2010
Messages
8
Location
Edmond, Okla
Hey Gary! My garage is about 800 square feet with 12 ft ceilings. My G73 does a great job keeping things 42-50 degrees on the low setting. My garage is insulated. Your space is pretty good size but hopefully you will find that one heater will get the job done. If not, a second sure will! Let us know how one G73 performs in your space!

Chad

After 3 days of below freezing with lows in the teens the little Dayton kept the shop, 30X40, at 38 degrees on the lowest setting. I turned it up to the low setting and stayed in the shop for a couple of hours and it got up to 48 when it was 22 outside. I am waiting for another really cold day and I will turn it up to medium or high and just see what it can really do. I like the little ******.:beer:
 

radchad3

Well-known member
Joined
Dec 6, 2010
Messages
71
Hey Gary! Seems like it is working pretty good! It is funny, I can't believe I am actually saying this but I want to see it get below zero at night just so I can see how the heater will perform! :)
 

snowball

Member
Joined
Dec 15, 2010
Messages
8
Location
Edmond, Okla
I went to the shop several times when it was near or below zero just to see how the little heater did on the lowest setting. It kept the shop well above freezing. I will be able to work in the shop without having to look like the Michelin Man (bundled to the point of not being able to hardly move) :)
 

mrbreezeet1

Banned
Joined
Dec 6, 2010
Messages
3,694
Location
Moundsville, WV, 15 miles South Of Wheeling WV
Well I don't know weather to send my NewAir G73 back and get the Fahrenheat FUH5-4 ?
http://www.northerntool.com/shop/tools/product_595_595
If you recall, This is the one I got.
http://www.air-n-water.com/product/G...dium=affiliate
I'm just wondering if the Fahrenheat one would be a better heater, As I
think I can still send this one back, with free return shipping, or maybe it will be best to just leave
well enough alone.
You know sometimes you try to make something better, and you just cause problems.

OK, here are some things, fan CFM is 70 CFM higher on the Fahrenheat one.
Also, says

  • Automatically delays fan action until heating element is warmed up
  • Fan continues until heating element cools off
See I notice my (NewAir G73) fan starts running as soon as you turn it on, and I don't see where it it is
stated in my Owners Manual that the Fan continues until heating element cools off.
:confused:

I just got this wired up today, seems to heat OK, but really have not used it enough yet to tell.
Also I still have some drafts I need to seal up.
Also Might try to insulate the garage door some.
Thanks,
Tony
 

rinker1

Well-known member
Joined
Aug 30, 2008
Messages
289
Location
Ohio
I installed my Dayton G73 today using a 30 amp breaker and 10/2 wire. The heater does not seem to be getting hot to me, it feels just warm. I dont have a heat gun but I will get one tomorrow to see how hot its getting. I see that Interex is showing 300*F. I am confident that mine is not getting that hot. I know the wattage can be adjustable and mine seems to be hooked up for 5000watts. Did anyone else have an issue with the temperature on their Dayton G73? Also i checked and line 1 is getting 120v and line 2 is getting 120v.

I was just wondering if you ever got a temp gun and checked your unit?
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
Well I don't know weather to send my NewAir G73 back and get the Fahrenheat FUH5-4 ?
http://www.northerntool.com/shop/tools/product_595_595
If you recall, This is the one I got.
http://www.air-n-water.com/product/G...dium=affiliate
I'm just wondering if the Fahrenheat one would be a better heater, As I
think I can still send this one back, with free return shipping, or maybe it will be best to just leave
well enough alone.
You know sometimes you try to make something better, and you just cause problems.

OK, here are some things, fan CFM is 70 CFM higher on the Fahrenheat one.
Also, says

  • Automatically delays fan action until heating element is warmed up
  • Fan continues until heating element cools off
See I notice my (NewAir G73) fan starts running as soon as you turn it on, and I don't see where it it is
stated in my Owners Manual that the Fan continues until heating element cools off.
:confused:

I just got this wired up today, seems to heat OK, but really have not used it enough yet to tell.
Also I still have some drafts I need to seal up.
Also Might try to insulate the garage door some.
Thanks,
Tony

my new air doesent start right away when i turn the dial up,till it warms up,i have both the new air and the dayton,i like both of them and they heat good but the dayton is really quiet
 

mrbreezeet1

Banned
Joined
Dec 6, 2010
Messages
3,694
Location
Moundsville, WV, 15 miles South Of Wheeling WV
my new air doesent start right away when i turn the dial up,till it warms up,i have both the new air and the dayton,i like both of them and they heat good but the dayton is really quiet
Well I'm pretty sure this one does , cause when I 1st threw the breaker on, I heard it (The Fan) run.
Makes more sense that the fan should not come on right away.
I found a pretty good price on the FUH5-4 , but still not sure what to do.
I will be working on sealing up the drafts today.
Thanks, Tony
 
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garageking

Well-known member
Joined
Dec 18, 2009
Messages
58
Location
southdakota
there is a lot of units that look the same,some more quiet than others but most do the job they been bought for except for tweaked units
 
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