
Stephen Day
Gas Safe Engineer
Stephen Day is a Gas Safe registered and FGAS certified engineer with over 20 years of hands-on experience in the heating, cooling, and renewable energy industry, specialising in boiler installations, air conditioning, and heat pump systems.
LinkedInAbout Stephen Day
Stephen Day is a Gas Safe registered and FGAS certified engineer with over 20 years of hands-on experience in the heating, cooling and renewable energy industry.
Throughout his career, Stephen has designed, installed and maintained thousands of systems across homes and businesses in the UK. His background on the tools, combined with his directorship role at iHeat, gives him a rare understanding of both the technical and operational sides of the industry.
He has helped to secure Which? Trusted Trader accreditation all with a focus on delivering great service and long-term value for customers. He also writes for the iHeat blog, sharing practical advice and explaining heating topics in plain, helpful language.
Stephen continues to stay up to date with the latest heating technologies, building regulations and low-carbon innovations.
Expertise & Focus Areas
- Boiler systems and installation
- Heat pumps and hybrid heating systems
- Gas safety and compliance
- System design
- Renewable and low-carbon technologies
- Technical training
Articles by Stephen Day are reviewed by iHeat’s technical team for accuracy and reliability.