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  • Rated 5.00 out of 5

    Liquid Window Insulation

  • Rated 5.00 out of 5

    Building Maintenance

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    Remodeling

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    PermaClean Glass and Solar

  • Energy Upgrades

  • PermaClean Solar

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    PermaClean-Air

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    Incentive and Rebates

  • Rated 4.67 out of 5

    Energi Plant

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    Energi Seedling

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    Microgrid in a box

What we do

We make the built environment more efficient, productive and sustainable.

3fficient

3784 Mission Ave
Oceanside, CA, 92058 USA

(888) 533-3487
info@3fficient.com

Office Hours

Mo-Fr: 8:00-17:00
Sa: 8:00-12:00
Su: closed

Latest Projects

  • Turner RemodelJanuary 8, 2021 - 3:05 pm
  • Cink RemodelJanuary 8, 2021 - 1:53 am
  • Skull Valley Band of Goshute IndiansSeptember 19, 2019 - 11:42 pm
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