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Find a PHIUS+ Verifier

The release of the climate-specific, cost-optimized PHIUS+ 2015 Passive Building Standard in March of 2015 by Passive House Institute US (PHIUS) ignited the tremendous growth of passive building from coast to coast, with the most significant gains occurring in the multifamily housing (affordable and market rate) and commercial building sectors. PHIUS+ Certified and Pre-Certified projects now total more than 1 million square feet across 1,200 units nationwide.

PHIUS+ Verifiers perform third-party Quality Assurance and onsite verification for multifamily and commercial passive building projects pursuing PHIUS+ Certification. Verifiers are well versed in the specific requirements of the PHIUS+ Multifamily Certification Standard v2.0 for performance and on-site verification of multifamily buildings pursuing certification under the PHIUS+ program.

PHIUS+ Verifiers are equipped with the skills necessary to achieve:

  • Large building enclosure integrity design strategies.
  • Passive building mechanical/ventilation systems.
  • On-site verification of passive building construction features.
  • Large building/multi-fan blower door testing protocols.

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California

  • Acre Designs

    CPHC | Verifier

    165 E. Dana Street
    Mountain View, California 94041
    • Jack Kerby-Miller #2041
  • Basaltic, Inc.

    Verifier

    2615 MacArthur Blvd
    Oakland, California 94602
    • John Tao #2582

Colorado

  • Independent

    Verifier

    11447 Depew Way
    Westminster, Colorado 80020
    • Shawn LeMons #2254

Connecticut

  • Steven Winter Associates

    Verifier

    61 Washington St
    Norwalk, Connecticut 06854
    • Matt Slattery #2398
  • Steven Winter Associates, Inc.

    PHIUS+ Rater | Verifier

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

    Verifier

    50 Washington St
    12th Floor
    Norwalk, Connecticut 06854
    • Andrew Zumwalt-Hathaway #2205

Illinois

  • Gas Technology Institute

    PHIUS+ Rater | Verifier

    1700 S. Mount Prospect Road
    Chicago, Illinois 60018
    • Jason LaFleur #1560

Kansas

  • Midwest Energy Consultants

    Verifier

    171 N 75th Dr
    Kansas City, Kansas 66112
    • Erik Henson #2250

Kentucky

  • Sol Design + Consulting

    CPHC | PHIUS Certified Builder | PHIUS+ Rater | Verifier

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

Massachusetts

  • Advanced Building Analysis LLC.

    Verifier

    51 Woodman St.
    Gloucester, Massachusetts 01930
    • Sam Kenney #2589
  • Advanced Building Analysis, LLC

    PHIUS+ Rater | Verifier

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

    PHIUS+ Rater | Verifier

    320 Riverside Dr. - 1A
    Northampton, Massachusetts 01062
    • Mark Newey #1452
    • John Saveson #2590
    • Matt Zarotny #2576
  • CLEAResult

    CPHC | Verifier

    50 Washington Street Suite 3000
    Westborough, Massachusetts 01581
    • Jeremy Dagold #2270
  • Clearesult

    Verifier

    50 Washington St.
    Westborough, Massachusetts 01581
    • Mark Norton #2588
  • JSR Adaptive Energy Solutions

    CPHC | PHIUS Certified Builder | PHIUS+ Rater | Verifier

    6 Pilgrim Rd.
    S.Hamilton, Massachusetts 01982
    • John Rodenhizer #1692
  • Placetailor Inc

    Verifier

    100A Warren Street
    Suite 3
    Boston, Massachusetts 02119
    • Stephen Daly #2587
  • Simpson Gumpertz & Heger Inc.

    Verifier

    41 Seyon Street
    BLDG 1 Suite 500
    Waltham, Massachusetts 02453
    • Gert Guldentops #2556
  • Sustainable Comfort

    CPHC | PHIUS+ Rater | Verifier

    146 Main Street
    Suite 301
    Worcester, Massachusetts 01608
    • James Moriarty #1895
    • Benjamin Rivest #2138
  • Sustainable Comfort, Inc.

    Verifier

    163 Fairbank Rd
    Sudbury, Massachusetts 01776
    • Greg Downing #2577

Nebraska

  • Transduction Technologies

    PHIUS+ Rater | Verifier

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

New Hampshire

  • GDS Associates, Inc.

    Verifier

    1155 Elm Street, Suite 702
    Manchester, New Hampshire 03101
    • Joe Rando #2272

New Jersey

  • Kitchen & Associates

    PHIUS+ Rater | Verifier

    756 Haddon Avenue
    Collingswood, New Jersey 08108
    • Alkesh Taylor #1885
  • Kitchen and Associates

    Verifier

    756 Haddon Avenue
    Collingswood, New Jersey 08108
    • Neil Goldman #2198
  • ReVireo

    PHIUS+ Rater | Verifier

    1215 Livingston Avenue
    Suite #200
    North Brunswick, New Jersey 08902
    • Benjamin Cohen #1877

New York

  • Altanova

    Verifier

    11-05 44th Drive
    Long Island City, New York 11101
    • Erik Mets #2200
  • Association for Energy Affordability

    CPHC | PHIUS+ Rater | Verifier

    105 Bruckner Blvd.
    Bronx, New York 10454
    • Edward Ntalo #1897
  • Brett Pevear

    Verifier

    2547 Ridge Road
    Ontario, New York 14519
    • Brett Pevear #2136
  • Bright Power

    Verifier | CPHC | PHIUS+ Rater

    11 Hanover Sq
    New York, New York 10005
    • Luis Aragon #2545
    • Tyler Davis #2025
    • Edward Leykam #2548
  • Camroden & Assoc.

    Verifier

    7240 E. Carter Rd.
    Westmoreland, New York 13490
    • Terry Brennan #2133
  • Energy Master LI Building Consultants

    PHIUS+ Rater | Verifier

    358 Ridgefield Rd.
    Hauppauge, New York 11788
    • Rich Manning #2515
  • GEA Consulting Engineers

    Verifier

    545 Eighth Avenue
    New York, New York 10018
    • Eva Roman #2197
  • Integral Building & Design

    CPHC | PHIUS+ Rater | Verifier

    15 N. Mill Street
    Suite 218
    Nyack, New York 10960
    • Tony Lisanti #1828
  • Shelley Beulieu

    Verifier

    10 Maxwell Drive
    Suite 200
    Clifton Park, New York 12065
    • Shelley Beaulieu #2140
  • Spruce Mountain

    CPHC | PHIUS Certified Builder | PHIUS+ Rater | Verifier

    832 South Rd
    Wurtsboro, New York 12790
    • Troy Hodas #1880
  • Steven Winter Associates, Inc.

    Verifier

    307 Seventh Avenue
    Suite 1701
    New York, New York 10001
    • Michael O'Donnell #2546
    • Katie Schwamb #2152
  • Sustainable Comfort, Inc.

    Verifier

    6333 State Route 298 Ste 101
    East Syracuse, New York 13057
    • Chris Straile #2273
  • The Levy Partnership, Inc.

    Verifier

    1776 Broadway
    Suite 1250
    New York, New York 10019
    • Jordan Dentz #2199
  • TRC Solutions

    Verifier

    1430 Broadway, 10th Floor
    New York, New York 10018
    • Gwen McLaughlin #2226
  • WSP

    CPHC | Verifier

    163 w 23rd st
    4th Fl
    new york, New York 10011
    • Gaspar Cabrera #2244

Nova Scotia

  • Efficiency One

    CPHC | Verifier

    230 Brownlow Ave
    Suite 300
    Dartmouth, Nova Scotia B3B 0G5
    • Natasha Brooks #2215

Ontario

  • Homesol Building Solutions Inc.

    CPHC | PHIUS Certified Builder | Verifier

    53 Herriott St
    Suite 202-B
    Perth, Ontario K7H 1T5
    • Stephen Magneron #1491
  • Zon Engineering Inc.

    Verifier

    465 Pinebush Rd.
    Unit 5
    Cambridge, Ontario N1T 2J4
    • Greg Leskien #2580

Pennsylvania

  • Building Performance Architecture

    PHIUS+ Rater | Verifier

    2121 Noblestown Road
    Suite 222
    Pittsburgh, Pennsylvania 15205
    • Rob Hosken #1881
  • Glenn Haydu

    Verifier

    130A North Main Street
    New Hope, Pennsylvania 18938
    • Glenn Haydu #2201
  • Innova Services

    CPHC | Verifier

    1548 S. 16th Street
    Philadelphia, Pennsylvania 19146
    • Vaughan Piccolo #2003
  • Innova Services Corporation

    Verifier

    1548 S. 16th Street
    Philadelphia, Pennsylvania 19146
    • Bruce Thompson #2141
  • New Ecology, Inc.

    PHIUS Certified Builder | PHIUS+ Rater | Verifier

    1102 Winchester Trail
    Downingtown, Pennsylvania 19335
    • Andrew McDowell #1624
  • Nu-Tech Energy Solutions

    PHIUS+ Rater | Verifier

    102 Lillypad Ln
    Hawley, Pennsylvania 18428
    • Peter Vargo #1886
  • Pennsylvania Housing Finance Agency

    CPHC | Verifier

    211 North Front Street
    Harrisburg, Pennsylvania 17101
    • Kristy Provost #2067
  • Re:Vision Architecture

    CPHC | Verifier

    133 Grape St
    Philadelphia, Pennsylvania
    • Angela Iraldi #2052
  • Re:Vision Architecture

    Verifier

    133 Grape Street
    Philadelphia, Pennsylvania 19127
    • Nicholas Semon #2202
  • Steven Winter Associates

    CPHC | PHIUS+ Rater | Verifier

    130 W LEMON ST
    LITITZ, Pennsylvania 17543
    • Scott Pusey #1832
  • West Penn Energy Solutions

    PHIUS+ Rater | Verifier

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

Virginia

  • Conway Energy

    CPHC | PHIUS+ Rater | Verifier

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

Washington

  • O'Brien & Company

    Verifier

    710 2nd Ave
    Suite 925
    Seattle, Washington 98104
    • Chris Edlin #2295

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