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Mulholland, Eur Ing John

Mulholland, Eur Ing John

Eur Ing John Mulholland BScTech (Hons) CEng CSci MIChemE FEI is an experienced energy consultant with over 30 years experience in the UK and overseas. John runs his own business,, with a team of skilled associates. He has acted as an ESOS Lead Assessor in ESOS Phases 1 and 2 and has personally conducted over 70 ESOS  Energy Audits. During Phase 2 he carried out 30 ESOS Compliance Audits on behalf of the Environment Agency. John is an experienced ISO 50001 practitioner and focuses on system design, implementation and auditing. He has also run many successful behaviour change programmes across several sectors in the UK and overseas.

RPEC Consultant details

Designation: BScTech CEng CSci MIChemE FEI

Job title: Director


Organisation address: PO Box 5986, Sheffield, Yorkshire, S10 9HB,

Organisation telephone: 07791 698839

Organisation email:

Websites: -

Countries: United Kingdom -

Subjects: Energy efficiency - Management systems -

All consultants on the RPEC register have had their areas of expertise reviewed and rated below, where a 1 denotes "Some Experience" and a 4 denotes "Expert" in the specified sector or area of work.

Sector experience
Category Experience level
Accommodation and food service activities 2
Administrative and support service activities 1
Arts, entertainment and recreation 1
Chemical and petrochemical 2
Education 2
Electricity, gas, steam and air conditioning supply 1
Food and tobacco 1
Human health and social work activities 2
Industries and manufacturing not elsewhere specified 1
Information and communication 1
Mining and quarrying 1
Professional, scientific and technical services 1
Public administration and defence 2
Transportation and storage 1
Wholesale and retail trade 2
Technology experience
Category Experience level
Boilers 2
Building energy management systems (BEMS) 1
Combined heat and power (CHP) 1
Combustion processes 1
Compressed air 1
Control and instrumentation 2
District heating 1
Energy from waste 1
Heat exchangers 2
Heat recovery - high temperature 1
Heat recovery - low temperature 1
HVAC systems and plant 2
Insulation 1
Low temperature hot water (LTHW) 2
Medium temperature hot water (MTHW) / Steam distribution systems 2
Motors and drives 2
Office equipment 2
Pumps and fans 2
Refrigeration and chilling 2
Renewable energy - Biomass 1
Renewable energy - Solar 1
Renewable energy - Wind 1
Separation technologies 2
Skills and concepts
Category Experience level
Advanced process control systems 2
Carbon management 4
Conceptual design 1
Energy management - Data collection and analysis 2
Energy management - Management strategy and systems 4
Energy management - Workforce engagement 4
Energy metering 2
Industrial maintenance 1
Process intensification 1
Quality systems 1

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