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--- hvac:heating [2021/03/17 23:01]
frater_secessus
+++ hvac:heating [2021/07/03 12:51]
frater_secessus [contact heating]
@@ Line 165: / Line 165: @@
 You can also DIY heated gear with [[http://carbonheater.us/|carbon heat strips]].
+Note:  a quirk of electric heating is that the heaters typically don't run at varying power levels for varying heat levels; they vary the ON/OFF duty cycle.  So maybe 100% duty cycle at 100w on HI (average 100w) and 10% duty cycle at 100w on LO -- on for one second and off for 9 seconds (average 10w).  For this reason you may not be able to run a 300w electric blanket on LO (30w average) from a 200w [[electrical:inverter|inverter]].
 ===== comparison =====

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