Furnace: Gas used per hour / Cost per hour
jaysgarden
13 years ago
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joe_mn
13 years agolast modified: 9 years agojaysgarden
13 years agolast modified: 9 years agoRelated Discussions
How many hours per day under lights?
Comments (9)I used to do 18 hours, but I'm in Ontario too and have moved over to TOU. I am currently running 13 hours per day with no ill effects. Still getting vigorous growth. I am using T5H0's though which are more powerful then T12's. I would think 12 hours would probably be ok given sufficient brightness. You won't hurt the plants by testing it out. For peppers, the only side effect if it's not enough would be slower growth. You can rectify it easily if it doesn't work out. Since they aren't photoperiodic, you can split the photoperiods to avoid peak times. I am doing that now with no ill effect....See MoreHow much does a nat. gas fireplace cost to run per hour?
Comments (1)hi. look at your utillity bill. it gives the price per kilowatt hour as a unit. the appliance should have a data badge on it. typically mulitply the two together. most inset fire here have an input of upto 7KW. gas currently 2.815kw/h. the fire costs 19.705 pence /hour to run on full. hope this helps....See Morecycles per hour query w/r efficiency
Comments (2)If the system is sized properly you should be able to select the fewer cycles per hour, providing it keeps the temperature within the human comfort zone, which also varies among folks. udarrell _ 2007 Here is a link that might be useful: udarrell.com...See MoreCost per hour to run new 3 ton, 14 SEER , heat pump
Comments (21)"Bad" power factor does NOT increase the REAL actual power consumed, "REAL" or actual power is measured in kW, that's all you use and that's what you're charged for. If device(CFL) uses 80% of the power going into it, the power factor is 80%. Power factor is the Real Power divided by the Apparent Power. For example, 98 kW (Real Power) ÷ 100 kVA (Apparent Power) = 98%. Again, residential customers are charged only for the REAL Power actually used, not the Apparent Power sent, That's not our problem, it is for the utility, believe me if it was a significant amount we would be billed a fee for power factor. Factories are billed for power factor,power factor does require the utility to compensate a little bit, it's at a far, far lower level than would be the case if they had to make up the total difference between the actual power factor and a power factor of 1.We can and do ignore the power factor issues in residential, there would be no way to diagnose anything if no rules applied or reality unable to be qualified. To prove this point, I set up an experiment with CFLs vs. incandescent lights (resistive loads with a power factor of 1.0), and measured watts and volt-amperes delivered by my inverter. Then I measured the amps from my power source, a bank of L-16 batteries, which are DC sources wise to the tricks of reactive power....The low power factor did not require the batteries (or the utility) to produce any extra energy....See Morebrickeyee
13 years agolast modified: 9 years agojaysgarden
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13 years agolast modified: 9 years agojaysgarden
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