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Bragging Rights !!!!!!!

Discussion in 'Prime Main Forum (2017-2022)' started by huskers, Nov 1, 2016.

  1. crewdog

    crewdog Acting Ensign Prius Prime

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    so the moment can be enjoyed:
     
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  2. priuscatprimeguy

    priuscatprimeguy Senior Member

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  3. David Beale

    David Beale Senior Member

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    Shipping protection. The car has not been "prepped" yet.
     
  4. civicdriver06

    civicdriver06 Active Member

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    Jasonheng15

    So are we maybe talking past each other ?
    If you mean the car get gets quite comfortably warm afte just 4-5 minutes then that would be good,but if you mean it takes 4-5 minutes until actually any warm air enters the cabin,that would be disappointing considering we are talking about a heat pump of which I would expect producing warm air as soon as turned on .
    BTW what kind of impact has pre-heat on ev range ?
     
    #464 civicdriver06, Nov 25, 2016
    Last edited: Nov 25, 2016
  5. bisco

    bisco cookie crumbler

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    wouldn't the time it takes for a heat pump to start producing significant heat depend on ambient temp?
     
  6. Bluegrassman

    Bluegrassman Active Member

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    Does it have supplemental electric resistance heat strips like a home heat pump

    Posted via the PriusChat mobile app.
     
  7. Tideland Prius

    Tideland Prius Moderator of the North
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    He did say "any real heat" takes 4-5 mins. A Gen 3 (with the EBH) takes about that long (~5 mins) to actually get warm air in but that's at -20°C. I did have it in ECO mode so maybe it would've been a bit sooner in normal mode?

    Definitely want to make use of the pre-heat function (and why not! It'll run for 10 mins)
     
  8. civicdriver06

    civicdriver06 Active Member

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    Yes I missed that somehow,he said "any real heat" after 5 minutes considering hatchback Prius and "good amount of heat" meaning the Prime .
    I guess what got me confused a bit,is that he said the heat pump heats the cabin up almost as good as a regular heater,but "almost as good" would mean it takes even longer than the regular heater !
    Considering the pre-heat function only works for about 10 min. and it would take the heat pump 5 minutes until any warm air comes out of the vents "almost as good" wouldn't make much of a difference heating up the cabin .
    It would be near to useless and could be considered more as a marketing gag than anything else .
    Glad that's obviously not the case !
    When I think of my gen .3 (solar roof) on a very,very hot day,the pre-cool ac function is near to useless because it only works for 3 minutes .
     
  9. Tideland Prius

    Tideland Prius Moderator of the North
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    really? Well you have to use it in conjuction with the SPVS. When you do, Remote A/C works most of the time. Of course if it's 35°C, it won't be a cold cabin but it's definitely a lower starting point (activated it for 1-2 mins on a 34°C day but feeling like 40 because of the humidity. I had the solar shield sun shade and one side of the car's side windows covered with another sun shade + SPVS).
     
  10. civicdriver06

    civicdriver06 Active Member

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    Well useless was a bit hard,but what do you mean by SPVS ?
    Ah now I know,solar powered ventilation system .
    I do use it but on very hot days it's sometimes hard to tell if both in combination made a difference .
    If it's about 25° c outside it works fantastic!
     
    #470 civicdriver06, Nov 25, 2016
    Last edited: Nov 26, 2016
  11. giora

    giora Senior Member

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    I live in hot climate and usually operate my Gen1 A/C on Auto with 22C set temp.
    I find the remote A/C to be effective and even very good if I remember to lower the set temp to ~18C before leaving the car in the sun on a hot day.
    Operating A/C on driving (without preconditioning) I get to my face air considerably cooler than cabin temp in about 20-30 seconds and the whole cabin is comfortable (temp and humidity) in about 3-4 minutes, as I said with Auto/22C, lowering set temp or higher fun speed will accelerate this.
    The Prime heat pump heating uses same components and should have similar times.
    In very cold areas I think the combination of heat pump and heated seats could be a winner.
     
    #471 giora, Nov 26, 2016
    Last edited: Nov 26, 2016
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  12. EV-ish

    EV-ish Active Member

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    I'm not sure what significant means, but ... approximately ..

    COP * input = output

    The COP of a resistance heater is 1, so
    input = output

    Heat pumps start at a COP of 1.0 at low temperatures and increase with higher ambient temperatures.
    .
    A heat pump is as fast as a resistance heater, and for the same electric power often releases to the cabin more heat. The vapor recirc of the Prime increases the COP at low temperatures. I read COP of 2.2 at 14F.

    Unknown to me though is the maximum electric input of the heat pump. So e.g., if the heat pump was limited to 1 kW electricity but the resistance heater in your other car was 3 kW, the heat pump would require an ambient temperature high enough to reach a COP of 3.0 to release equivalent amounts of heat into the cabin.
     
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  13. EV-ish

    EV-ish Active Member

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    And with pre-conditioning, gloves and warm clothes -- brilliant.

    I'm hoping for 300 watts during my hour highway drive, so about a 5 Wh/mile (3 Wh/km) winter penalty for comfort.
     
    #473 EV-ish, Nov 26, 2016
    Last edited: Nov 26, 2016
  14. bisco

    bisco cookie crumbler

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    in the southwest?
     
  15. Eric Maple

    Eric Maple Junior Member

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    Its a plastic over lay for protection. It pealed it right off. Yesterday I was able to help prep the car. I peeled off the plastic and did minor things to help out.
     
  16. EV-ish

    EV-ish Active Member

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    It gets chilly in the mountains. Below 0F is expected every winter. This morning it is 17F at the tail end of autumn, and we expect snow Sunday and Monday :)
     
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  17. JamesBurke

    JamesBurke Senior Member

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    Bisco pining for the frost and snow? Lived in Flag once apon a time. OK it was Tuba but if you've been to Tuba you know what I mean. Tabular Weather Forecast for 35.33N 111.67W (Elev. 11496 ft)
    Runaway runaway to Florida!

    Thermometer in air vent vs. time = must see YT? Heat pump should be fine. It doesn't run below 14f anyway.
     
  18. bisco

    bisco cookie crumbler

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    pining for florida, yes.:p but it won't be until february.:(
     
  19. phase315

    phase315 New Member

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    Now that some of you have the prime. Do you feel the extra $4k difference between the Advanced and Premium is worth it? I am torn between the two. I am trying to justify paying $37k for a Prius.
     
  20. bisco

    bisco cookie crumbler

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    do you qualify for the tax credits?