Electric garage heater

[legendboy]

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Isn't it something like.... If you use electricity to generate heat, your thermal efficiency is 100% or something like that. If you use electricity to do work and that work is focused on making heat, then you can end up with more heat than you would've by just using the electricity. Or something???
Which one of us dildos is supposed to know this?! Mech or Chem because it's Thermo, or Erectrical because Coulombs??!

I'm so very very tired today...

Mechanical. An air handler designer sounds like a solid start

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Yes, all forms of resistance heating are close to 100 percent efficient. The oil heaters are more stable heat, slower to go up and down, but not sure there's any situation where it saves electricity.

What we are looking for is the cheapest, fastest way to get/keep a garage warmed during the winter. Forced air heater at 5kw will cycle on and off way more often (low efficiency) than a heat saturated oil heater at 1.5kw with a fan blowing thru its "coils", imho

[ZenOps]

Smart beyonders would use a bitcoin miner for heating. Yes, it does all eventually turn into heat.

[ExtraSlow]

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What we are looking for is the cheapest, fastest way to get/keep a garage warmed during the winter. Forced air heater at 5kw will cycle on and off way more often (low efficiency) than a heat saturated oil heater at 1.5kw with a fan blowing thru its "coils", imho

You contradict yourself here. The fastest way to heat a cold garage is an oversized forced air heater. But that will mean it cycles off and on a lot once it's up to temp.

I am surprised that this is controversial.