[RE-wrenches] My .02 - 12/24v garage door opener.....

[Jerry Shafer]

John
Samlex makes small pure sine wave inverters from 12 to 48 volts and down to
150 watts
Jerry

On Wed, Jan 31, 2018 at 5:23 AM, Dana <dana at solarwork.com> wrote:

> Wow, this is flash from the past…  I had almost forgotten about running DC
> in a house or garage.
>
> With todays inverter efficiency’s & costs VS. the cost of proper DC wire
> sizing, garage lighting?, & having to modify a reliable lift system, etc.
>
> Is there really a cost savings in the longs run?
>
>
>
> It’s a garage, are you going to need to run any AC tools, battery
> chargers?
>
> I mean it is a potential man cave, really now….
>
>
>
> ------------------------------------------------------------
> ----------------
>
> Dana Orzel                              Great Solar Works, Inc.
>
> *C - 208.721.7003 <(208)%20721-7003>
> dana at solarwork.com <dana at solarwork.com>*
>
> Idaho Contractor - # 028765         Idaho PV # 028374
>
> NABCEP # 051112-136                       www.solarwork.biz
>
> *"Responsible Technologies for Responsible People since 1988"  *
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>
> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
> Behalf Of *Darryl Thayer
> *Sent:* Wednesday, January 31, 2018 3:46 AM
> *To:* newrewrenches <RE-wrenches at lists.re-wrenches.org>
> *Subject:* Re: [RE-wrenches] 12/24v garage door opener.....
>
>
>
> I have measured the energy used by a garage door opener on more than one
> occasion.  they draw a fair amount of power while operating, however. they
> don't draw power otherwise so the total energy is very low.  I am wondering
> if a low cost non pure sine inverter to AC operated off the switches which
> would be low voltage would not serve the same low energy use and
> reliability of a DC garage door opener
>
>
>
> On Jan 31, 2018 2:39 AM, "John" <john at gosolar.co.nz> wrote:
>
> Hi all,   any recommendations where to find 12 or 24v garage door
> openers.    Can’t remember this coming up on the list beforehand.   It is
> just for a single car garage door.    Don’t want to use an inverter,
> usually better to go direct to a dc motor.
>
> Once I have a suitable opener, I can design the rest of the system around
> it.
>
> Thanks for any/all input.                               John Veix,
> GoSolar Ltd,   N.Z.
>
>
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