About Highland Heat Harvesters

Pioneering the future of sustainable energy through waste heat recovery

Our Mission

Our mission at Highland Heat Harvesters Ltd is to revolutionize the heating industry with innovative, energy-saving technology that reduces both gas consumption and carbon emissions. We are committed to delivering sustainable solutions using technology and infrastructure in place today. Our focus is to lower utility costs, support climate goals, and create lasting value for our partners, customers, and communities while addressing gas savings and carbon emission reduction now as we transition to a greener, more efficient future.

Highland Heat Harvesters mission

Our Story

A Vision 25 Years in the Making

One day, our founder noticed how much valuable heat was being wasted through existing heating systems. While businesses and organisations were facing rising energy costs and increasing pressure to reduce carbon emissions, a large amount of usable heat was still being lost into the atmosphere. This inspired a simple idea: what if wasted heat could be captured and reused to reduce energy costs, improve efficiency, and support a cleaner future?

Because of That... Our Journey

Because of that idea, Highland Heat Harvesters was created to develop practical waste heat recovery technology for real buildings and existing heating systems. The company began with a clear mission: to reduce energy waste, lower gas consumption, and help organisations cut carbon emissions without requiring complete infrastructure replacement. Through research, testing, and continuous development, Highland Heat Harvesters continues to build solutions that make energy efficiency more accessible, affordable, and sustainable.

Our Team

Meet the experts making waste heat recovery a reality

Brendon O'Toole

Brendon O'Toole

Founder & CEO

BEng & MSc in Mechanical Engineering,
Drilling & Well Design

Gerard Arnold

Gerard Arnold

Co-founder & CFO

MSc in Business Economics, Tax Law & Post
MSc in Accounting & Auditing

Our Values

Innovation

Continuously pushing the boundaries of thermal engineering to deliver cutting-edge solutions

Partnership

Building lasting relationships with clients based on trust, transparency, and mutual success

Sustainability

Committed to reducing global carbon emissions and protecting our planet for future generations

Excellence

Delivering the highest quality products and services that exceed industry standards