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Find a PHIUS+ Rater

The PHIUS+ certification program for North American passive buildings combines extensive design review with a rigorous on-site quality assurance program. PHIUS+ aligns with the quality assurance protocols of Energy Star 3.0 and DOE Challenge Home, while including additional tests and protocols specific to the PHIUS+ passive building certification program.

PHIUS+ Raters are RESNET raters in good standing who have successfully completed PHIUS passive house rater training. Only PHIUS+ Raters have the training to perform PHIUS+ certification, assign an accurate HERS Index, and to perform RESNET-approved quality assurance and quality control on passive house projects. Raters complete two-days of rigorous hands-on training, including one day of classroom work with a second day spent in the field to learn advanced testing and inspection protocols for the PHIUS+ program. To ensure third-party QA/QC standards are upheld, PHIUS+ Raters who have also earned the Certified Passive House Consultant (CPHC®) credential cannot rate their own projects.

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California

  • Basaltic, Inc.

    PHIUS+ Rater | Verifier

    2615 MacArthur Blvd
    Oakland, California 94602
    • John Tao #2582
  • Healthy Buildings International, Inc.

    CPHC | PHIUS+ Rater | Verifier

    25381 Commercentre Drive
    Suite 150
    Lake Forest, California 92630
    • Larry Eichel #2543

Colorado

  • e3 Power

    PHIUS+ Rater

    1616 17th Street #383
    Denver, Colorado 80202
    • Andy Wildenberg #1899

Connecticut

  • Antec Energy LLC

    CPHC | PHIUS+ Rater

    309 Mill Road
    North Haven, Connecticut 06473
    • Andy Mayshar #2831
  • Home Energy Technologies

    CPHC | PHIUS+ Rater

    PO Box 364
    Chester, Connecticut 06412
    • Peter Harding #1806
  • Steven Winter Associates Inc.

    CPHC | PHIUS+ Rater

    61 Washington Street,
    Norwalk, Connecticut 06854
    • Lois B. Arena #1042
  • Steven Winter Associates, Inc.

    PHIUS+ Rater | Verifier

    61 Washington Street
    Norwalk, Connecticut 06854
    • Karla Butterfield #1814

Georgia

  • Airedale Energy Consultants

    PHIUS+ Rater

    1464 Shadowrock Hgts
    Marietta, Georgia 30062
    aecllc.bnk@gmail.com
    • Bruce Kitchell #1789
  • SK Collaborative

    PHIUS+ Rater

    333 Adams St
    Decatur, Georgia 30030
    http://www.skcollaborative.com
    • Carl Sevile #1833

Illinois

  • Eco Achievers

    CPHC | PHIUS+ Rater | Verifier

    1647 W Fulton St
    Chicago, Illinois 60612
    • Lindsey Elton #2026
    • Graham Giovagnoli #2680
    • Emily Rhea #2623

Kentucky

  • Horton Brothers Consulting

    CPHC | PHIUS Certified Builder | PHIUS+ Rater | Verifier

    266 Deverill Street
    Ludlow, Kentucky 41016
    • David Horton #1548

Maine

  • Associated Energy LLC

    PHIUS+ Rater

    PO Box 1346
    Leominster, Maine 01453
    • Mark Horgan #2913

Maryland

  • Pando Alliance

    PHIUS+ Rater

    3525-K Ellicott Mills Drive
    Ellicott City, Maryland 21043
    • Thiel Butner #1876
    • Michael Sumpter #2122

Massachusetts

  • A9 Green / Total Green Energy Solution, LLC

    PHIUS+ Rater | Verifier

    329 Massachusetts Ave
    Suite 3
    Lexington, Massachusetts 02420
    • Bijan KHosraviani #2898
  • Advanced Building Analysis, LLC

    PHIUS+ Rater | Verifier

    2 Woodlawn Street
    Amesbury, Massachusetts 01913
    • Michael Browne #1786
  • Center for EcoTechnology

    CPHC | PHIUS+ Rater | Verifier

    320 Riverside Dr
    Unit 1A
    Northampton, Massachusetts 01062
    • Mark Newey #2880
  • GDS Associates, Inc

    PHIUS+ Rater | Verifier

    Norfolk, Massachusetts 02056
    • Melanie Russell #2895
  • HIS & HERS Energy Efficiency

    CPHC | PHIUS+ Rater | Verifier

    12 Perkins Ave.
    Northampton, Massachusetts 01060
    • Adin Maynard #2255
  • Stephens and Company

    PHIUS+ Rater

    61 Old South Rd PMB 119
    Nantucket, Massachusetts 02554
    • Andy Buccino #2912
  • Sustainable Comfort

    CPHC | PHIUS+ Rater | Verifier

    146 Main Street
    Suite 301
    Worcester, Massachusetts 01608
    • James Moriarty #1895

Michigan

  • Building Efficiency Resources

    PHIUS+ Rater | Verifier

    Detroit, Michigan 48221
    • Chris McTaggart #1829

Minnesota

  • Center for Energy and Environment

    PHIUS+ Rater

    1754 University Ave W
    St. Paul, Minnesota 55104
    • Tony Beres #2652
  • DPIS Builder Services

    PHIUS+ Rater

    1345 Corporate Center Curve
    200
    Eagan, Minnesota 55121
    • Eric Boyd #2134

Nebraska

  • Transduction Technologies

    PHIUS+ Rater

    "5005 Chicago St. "
    Omaha, Nebraska 68132
    • David Holtzclaw #1826

New Jersey

  • EAM Associates

    PHIUS+ Rater | Verifier | CPHC

    3350 Highway 138 W, Bldg 2, Suite 223
    Wall, New Jersey 07719
    • Dillon Swol #2671
    • Frank Swol #1898
  • MaGrann Associates

    PHIUS+ Rater

    701 East Gate Drive
    Suite 100
    Mount Laurel, New Jersey 08054
    • Richard Martin #2653
    • Brian Stanfill #2121

New Mexico

  • EverGreen Building Solutions LLC

    PHIUS+ Rater

    PO Box 29744
    Santa Fe, New Mexico 87592
    • David Best #2935

New York

  • Association for Energy Affordability

    CPHC | PHIUS+ Rater | Verifier

    105 Bruckner Blvd.
    Bronx, New York 10454
    • Edward Ntalo #1897
  • Energy Master LI Building Consultants

    PHIUS+ Rater | Verifier

    358 Ridgefield Rd.
    Hauppauge, New York 11788
    • Rich Manning #2515
  • Integral Building & Design

    CPHC | PHIUS+ Rater | Verifier

    15 N. Mill Street
    Suite 218
    Nyack, New York 10960
    • Tony Lisanti #1828
    • Pasquale Strocchia #1810
  • Spruce Mountain

    CPHC | PHIUS Certified Builder | PHIUS+ Rater | Verifier

    832 South Rd
    Wurtsboro, New York 12790
    • Troy Hodas #1880

Ohio

  • Sol Design & Consulting

    CPHC | PHIUS+ Rater

    501 E. 13th St.
    Cincinnati, Ohio 45202
    • Chris Dwyer #1878

Oregon

  • Earth Advantage

    CPHC | PHIUS+ Rater | Verifier

    623 SW Oak St Suite 300
    Portland, Oregon 97205
    • Ryan Shanahan #1286
  • Earth Advantage Institute

    PHIUS+ Rater

    Portland, Oregon
    • Marc Cregeur #1892

Pennsylvania

  • Blue Frog Building Performance

    PHIUS+ Rater

    1936 Fifth Ave
    Pittsburgh, Pennsylvania 15219
    • Geoff Zawacki #1836
  • Building Performance Architecture

    PHIUS+ Rater | Verifier

    417 Gettysburg Street
    Pittsburgh, Pennsylvania 15206
    • Eric Gambal #1803
    • Rob Hosken #1881
  • DSB Energy Services

    PHIUS+ Rater

    100 Quail Court
    North Wales, Pennsylvania 19454
    • David Berg #1798
  • Steven Winter Associates

    CPHC | PHIUS+ Rater | Verifier

    130 W LEMON ST
    LITITZ, Pennsylvania 17543
    • Scott Pusey #1832
  • The Energy Doctor

    PHIUS+ Rater

    1739 Guffey Rd.
    North Huntingdon, Pennsylvania 15642
    • Rhett Major #1883
  • West Penn Energy Solutions

    PHIUS+ Rater | Verifier

    1121 Savannah Ave
    Pittsburgh, Pennsylvania 15218
    • Michael Merck #1884

Texas

  • DwellGreen of Dallas

    CPHC | PHIUS+ Rater

    190 E Stacy Rd, Suite 306-151
    Suite 306-151
    Allen, Texas 75002
    • Roger Taylor #1891
  • Polly Ledvina

    CPHC | PHIUS+ Rater

    2375 Bolsover St.
    Houston, Texas 77005
    • Polly Ledvina #1532

Utah

  • Brach Design Architecture

    CPHC | PHIUS+ Rater

    357 South 200 East
    suite211
    Salt Lake City, Utah 84111
    • David Brach #1105

Vermont

  • VEIC

    PHIUS+ Rater

    20 Winooski Falls Way
    5th Flr
    Winooski, Vermont 05404
    • Jennifer Severidt #2915
  • Vermont Energy Investment Corporation

    CPHC | PHIUS+ Rater

    128 Lakeside Ave
    Suite 401
    Burlington, Vermont Burlington
    • Karen Bushey #1529

Virginia

  • Conway Energy

    CPHC | PHIUS+ Rater | Verifier

    3520 Rose Ln
    Annandale, Virginia 22003
    • Christopher Conway #1355
  • John Semmelhack

    CPHC | PHIUS+ Rater | Verifier

    1515 Chesapeake Street
    Charlottesville, Virginia 22902
    • John Semmelhack #1149
  • PEG

    PHIUS+ Rater

    3975 Fair
    Fairfax, Virginia 22033
    • Devin Borg #2914
  • PEG LLC.

    PHIUS+ Rater

    3975 Fair Ridge Drive
    Suite T15S
    Fairfax, Virginia 22033
    • Nicholas Barry #2123

Washington

  • Evergreen Certified, LLC

    PHIUS+ Rater | Verifier

    502 Rainier Ave S
    Suite 206
    Seattle, Washington 98144
    • Greta Tjeltveit #2595

Wisconsin

  • Rivercity Woodworking LLC

    PHIUS+ Rater

    607A S. 6th Street
    Milwaukee, Wisconsin 53204
    • Juanita Ellias #1818

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