The following is a list of qualified HOME PERFORMANCE INDEX Accredited Professionals.
- Ghina Annan | Axiseng
- Declan Alcock | Varming Consulting Engineers
- Sarrah Ali Mohamed Osman
- Sylwia Allen | McCauley Daye O’Connell Architect
- Ludwika Balinska | OCSC
- Jonathan Barclay | Catalyst Group
- Kasia Batraniec | DCC
- Stuart Bell | VHA
- Raphaelle Boutin | Catalyst Group
- Marguerite Boyle | Sherry Fitz
- Martin Bradshaw | 2eva.ie
- Ciara Brassington | Sherry Fitz
- Adam Byrne | Student
- Brian Byrne | Net Zero
- Michael Burke | Energy Rating Plus
- Rory Burke | JV Tierney & Co.
- Paul Campbell | BDP
- Gavin Canavan | Net Zero
- Orla Canavan | Corcom
- Andrew Champ | Alanna Homes
- Mariya Chervonogradska |Verco
- Luca Chiarelli | SISK
- Seán Coffey | IES
- Patrick Conway | DCC
- Aoife Considine | DCC
- Patrick Cormican | Sherry Fitz
- David Coyle | BER Certs
- Andrew Cunningham | Catalyst Group
- Chris Daly | COADY
- Conor Deane | JV Tierney & CO
- David Devlin | Passive Dynamics
- Edel Donnelly | KSN Horizon
- Mary Doyle | IRES
- Paul Driver |Wicklow County Council
- Noel Duffy | Sherry Fitz
- Nives Dzindo | OMP
- Mark Faulkner | Marlet
- Daniel Fennell | ORS
- Cathal Flaherty | Truly Sustainable
- Eoin Gahan | Passive Dynamics
- Kevin Gallagher | Morley Walsh
- Olivia Goff | DCC
- Dilara Goker | Catalyst Group
- Tony Grace | Ethos
- David Griffin | Waterman Moylan
- Madeline Hallinan | DCC
- Eimear Hanly | VHA
- Elaine Harley | Donegal County Council
- Rory Harkin | Marlet
- Tim Healy |Reddy Architecture and Urbanism
- Cathal Heneghan | Meehan Green
- Peter Hogan | MCORM
- Mona Holtkotter | IWBI
- Mike Horsfall |Aecom
- Cian Hughes | HJL Architects
- Bathrunisa S. Jahangir | Manley Timber Frame
- Marcos Jimenez |Ethos
- Pablo Jimeno |Meehan Green
- Shajaz Kabeer
- Ralf Kampe | 3 Counties Energy Agency
- Binara Kariyawasam | EDC Engineers
- Jennifer Kenefick | Wain Morehead Architects
- Simon Keogh | COADY Architects
- Muneer Khan | Catalyst Group
- Ann King | CCK Architects and Urban Designers
- Colin King | O’MahonyPike Architects
- Philippe Lemarchand |TU Dublin
- Chenlu Li | IES
- Sue MacLoughlin
- Sara Madigan | HJL Architects
- Mark Magennis|Xtratherm
- Santiago Marinas | Archengtech
- Olga Marques | Helena McElemeel
- Scott Marshall | Delap and Waller
- Lisa Martin | Lawler Sustainability
- Danijela Marosan | APA Facade systems
- Eliza Mauro | Meehan Green
- Richard McCarthy | QSI
- John Paul McClave | HJL Architects
- Tony McDonnell | EDC Engineers
- Eoin McGann
- Shauna McGann | VHA
- Annie McGrath | Catalyst Group
- Stephen McGovern |Cork Energy Rating Company
- Enda McGuane |Winters PM
- Simon McGuinness | DIT
- Mike McHale | Minnis Developments
- Lynn Colette McMahon | LDA
- Sinead McMullen | Sherry Fitz
- Gavan Mooney | Tuath Housing
- Jordan McSharry | Arup
- Dierdre Meaghar |Brady Architects
- Susan Mealy | O’MahonyPike Architects
- Fiona Mulvey | Sherry Fitz
- Siobhán Murphy | Dún Laoghaire-Rathdown County Council
- Irene Nantongo
- Eoin Nolan | Axis Eng
- Katie Nolan | Sherry Fitz
- Caitrin O’Brien | Jones Engineering
- John O’Brien | J Projects
- Michelle O’Carroll | O’Connor Sutton Cronin
- David O’Connell | McCauley Daye O’Connell Architects
- Aoife O’ Donnell | DCC
- James O’Dwyer
- Gosia O’Grady | Evolusion Innovation
- Rachael O’Leary | Sherry Fitz
- Seán O’Neill | Corcom
- Laurence O Reilly | ORS
- Stephen O’Shea | Cairn Homes
- Alex O’Toole| IN2 Engineering
- Marie Abigail Pacho | IN2 Engineering
- Kimberly Mae Paris | EDC Engineers
- Mary-Anne Parsons | MPBA Architects
- Declan Price |vanDijk Architects
- Leah Quilligan | Corcom
- Taha Rafique
- Vishaka Reddy | Meehan Green
- Anna Reidy | Sean Harrington Architects
- David Rhatigan | Sherry Fitz
- Ben Riordan | NTMA
- Adrian Rooney | Rhatigan Architects
- Anthony Ryan |Wicklow County Council
- Dierdre Ryan |Cork Institute of Technology
- Gulsen Sahin | Meehan Green
- Tainara Santos | VHA
- Cathal Scott | Home Bond
- Khurram Shahzad |SISK
- Micheál Sheenan |Aecom
- David Sheridan | McCauley Daye O’Connell Architects
- Matthew Snell | J.V. Tierney & Co
- Michael Stack | O’Briain Beary Architects
- Patrick Stanley | DCC
- Brian Sweeney | Evolved Energy
- Susan Vickers | Clúid
- Marc Walsh |Xtratherm
- Anna Wesolowska | JAK Consulting Engineers
- Adam Whelan | Metec
- Naomi Wogan |Cluid Housing
- Brian Wylie | JV Tierney & Co.
- Brianna Yeung | KSN Horizon
- Stephen Young | Young Design & Build