The Best HVAC Consultants in the UK

Looking for a trusted HVAC consultant in your area? You’re in the right place.

The eFans UK HVAC Consultants Directory connects you with experienced, independent HVAC consultants and mechanical design engineers across the country. Whether you're planning a commercial installation, upgrading ventilation systems, specifying Extractor Fans, or optimising energy efficiency, we’ve compiled a county-by-county guide to help you find the right specialist.

Why Work With an HVAC Consultant?

A qualified HVAC consultant can help you:

• Design compliant heating, ventilation and air conditioning systems

• Improve indoor air quality and airflow performance

• Reduce energy consumption and operational costs

• Ensure full compliance with UK Building Regulations

• Oversee installations and contractor coordination

• Conduct site surveys and performance assessments

From offices and schools to hospitals, industrial facilities, hospitality venues and residential developments, professional HVAC guidance ensures systems are efficient, compliant, and built to last.

Explore HVAC Consultants by Region

• The Best HVAC Consultants in England
• The Best HVAC Consultants in Scotland
• The Best HVAC Consultants in Wales

Find the Best HVAC Consultants by County

Browse our UK directory below to find leading HVAC consultants in your county or region:

• Bedfordshire
• Berkshire
• Buckinghamshire
• Cambridgeshire
• Cheshire
• Cornwall
• County Durham
• Cumberland
• Derbyshire
• Devon
• Dorset
• Essex
• Gloucestershire
• Hampshire
• Herefordshire
• Hertfordshire
• Kent
• Lancashire
• Leicestershire
• Lincolnshire
• Middlesex
• Norfolk
• Northamptonshire
• Northumberland
• Nottinghamshire
• Oxfordshire
• Rutland
• Shropshire
• Somerset
• Staffordshire
• Suffolk
• Surrey
• Sussex
• Warwickshire
• Westmorland
• Wiltshire
• Worcestershire
• Yorkshire
• North London
• East London
• South London
• West London
• Central London

Each regional page highlights reputable, independent HVAC consultants with strong project histories, relevant credentials (CIBSE, CEng, BEng, etc.), and proven experience across commercial and industrial sectors.

Commercial & Industrial HVAC Expertise

The consultants featured in this directory typically specialise in:

• Commercial HVAC system design

• Industrial ventilation strategy

• Heat recovery and energy efficiency solutions

• Air handling unit (AHU) specification

• Ductwork design and airflow balancing

• Mechanical & electrical (M&E) coordination

• Compliance assessments and reporting

Whether you’re retrofitting an existing building or designing from scratch, professional HVAC consultancy ensures your systems perform efficiently and reliably.

Prefer to Handle Ventilation Equipment Directly?

If you already have a consultant or contractor in place and need high-quality ventilation products, browse our full range of commercial and industrial ventilation equipment at:

https://www.efans.co.uk

We supply:

• Inline fans

• Box fans

• Axial fans

• Centrifugal fans

• Extractor fans

• Ducting and ventilation accessories

Our team works alongside consultants, contractors and facilities managers to ensure you receive the right products for your project.

About eFans

eFans is a UK-based specialist supplier of commercial and industrial ventilation equipment. We support HVAC consultants, M&E engineers, contractors and facilities teams nationwide with reliable products and expert guidance.

Website: https://www.efans.co.uk
Email: sales@efans.co.uk
Phone: 01252 447 522

If you're an HVAC consultant and would like to be featured in our directory, get in touch — we’re always looking to showcase reputable independent firms delivering quality work across the UK.