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Offlineblurt
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Registered: 01/18/11
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Last seen: 5 years, 5 months
How much heat does a.....
    #521886 - 02/01/11 06:01 AM (6 years, 22 days ago)

300w CFL 6400k 18000 lumens creat compared to a 250w MH 6500? The reason I ask for a comparison is because I know what the heat is like from the MH.

Im looking for like a 2m x 2m x 2m room comparison. What temp woudl the room reach with each? If  somebody know the maths to it?


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Invisiblecoda


Registered: 04/20/08
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Re: How much heat does a..... [Re: blurt]
    #521910 - 02/01/11 10:19 AM (6 years, 21 days ago)

Hard to say, but the amount of heat produced by the light is pretty minimal.  If you have it vented properly I'd say it wouldn't affect the temperature, even so if it did you'd be looking at probably a 1-5 degree F increase compared to the ambient temp of the room.


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MFDoom666: sobriety kills my buzz every time.


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Offlinedmtcorey
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Re: How much heat does a..... [Re: coda]
    #522134 - 02/01/11 10:49 PM (6 years, 21 days ago)

i got a 18''x 36''x 54'' box powered with 3 42watt cfl,s and i need to run the bathroom fan exhaust i got rigged on the top of the box and run a small fan inside and that runs the temp around 28,so they do put off lots of heat !,do a test run both lights in you space and see what the temps are ,thats the best way!
mh would be more efficient for getting the most out of your hydro ,more lumens for you buck!


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:whereismiddleman:


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InvisibleMagashM
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Registered: 04/21/08
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Re: How much heat does a..... [Re: blurt]
    #522199 - 02/02/11 01:26 AM (6 years, 21 days ago)

This is not the way you want to compare the bulbs. Remember a 300 cfl will put out way less heat then the 250 mh but it also puts out about 30% of the light. In order to get the light equal to the mh in a cfl you need about 700 watts or more.

When comparing the bulbs use lumen output rather then watts used. :wink:


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Offlineblurt
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Re: How much heat does a..... [Re: Magash]
    #522253 - 02/02/11 04:01 AM (6 years, 21 days ago)

I was thinking of 2 x 300w CFL's. I am thinking of a stealth SOG at the end of summer and due to the locationof where it will be straight continuous ventilation isn't an option unless I dig out trenches to vent through. The location has basically 2x park/lakes to the left, straight ahead large victorian building with flats which are 25 metre away, then a huge huge playing field behind is a woods and stream. So trenches are not  a problem however OTT.

It seems I may use alot of LED's and keep the grow low penetration. The grow next to this grow keeps a constant 23 celcius which is tactically vented to a cold space, via air con and air purifier then released. However thats only needs vented once a day.

With green, I need to vent heat, humidity and smells 24/7 so my only choice being keeping the heat low at the source.


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Offlineblurt
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Re: How much heat does a..... [Re: blurt]
    #523032 - 02/04/11 04:18 AM (6 years, 19 days ago)

Bumping.


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InvisibleMagashM
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Re: How much heat does a..... [Re: blurt]
    #523065 - 02/04/11 09:42 AM (6 years, 18 days ago)

Kind of seems like a lot of trouble for the amount of smoke your gonna get. :shrug:


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All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?


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Offlinedmtcorey
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Re: How much heat does a..... [Re: Magash]
    #523196 - 02/04/11 08:30 PM (6 years, 18 days ago)

Quote:

Magash said:
This is not the way you want to compare the bulbs. Remember a 300 cfl will put out way less heat then the 250 mh but it also puts out about 30% of the light. In order to get the light equal to the mh in a cfl you need about 700 watts or more.

When comparing the bulbs use lumen output rather then watts used. :wink:



i was not meaning to compare bulbs ,i was pointing out that a mh bulb will give off way more lumens then a cfl lamp that is the same wattage and that using the mh would be way more efficient then using the cfl lamp !


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InvisibleMagashM
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Re: How much heat does a..... [Re: dmtcorey]
    #523332 - 02/05/11 07:45 AM (6 years, 18 days ago)

Yeah I got what you meant I was responding to the first post in the thread. :thumbup:


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All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?


:growingweed: Join us at the Growery! :growingweed:


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Offlinedmtcorey
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Re: How much heat does a..... [Re: Magash]
    #523462 - 02/05/11 05:19 PM (6 years, 17 days ago)

sorry brother~


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:whereismiddleman:


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