Drake, All the conventional units I have amp clamped over the years are pushing 900-900+ watts per hour. I do not recommend them ever & to date I have never found a lower wattage blower. I would assume that a permanent magnet motor would fit this suggestion, but I have not found one.
For off grid I recommend: Radiant floor heat first and hot water base board second long before hot air. Air is a better insulator than a heat transfer agent. The new ECM (electronically commutated motors) pump motors are basically at DC permanent magnet motor power draws [Taco & Grundfoss] these days. Best of luck with this one. ---------------------------------------------------------------------------- Dana Orzel Great Solar Works, Inc. C - 208.721.7003 [email protected] Idaho Contractor - # 028765 Idaho PV # 028374 NABCEP # 051112-136 <http://www.solarwork.biz> www.solarwork.biz "Responsible Technologies for Responsible People since 1988" P Please consider the environment before printing this email. From: RE-wrenches <[email protected]> On Behalf Of Drake Sent: Thursday, August 23, 2018 2:37 PM To: RE-wrenches <[email protected]> Subject: [RE-wrenches] Forced air Furnace Hello Wrenches, What is the best choice for a propane, forced air furnace for an off grid house? We would prefer one that doesn't have a phantom load, although the transformer for the thermostat may not be avoidable. Low blower current would be preferable. The furnace AC will be powered by a Magnum 4448 PAE. Thank you, Drake Drake Chamberlin Athens Electric LLC OH License 44810 CO License 3773 NABCEP Certified Solar PV 740-448-7328 http://athens-electric.com/
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