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50+ Years
experience
Emergency
services
Expert HVAC Installation & Maintenance Services
Btuheating has been delivering specialist heating, ventilation, and air conditioning solutions since 1963, establishing itself as a trusted family-owned business operating across London and the South East. Our team of over 80 directly employed engineers provides comprehensive services including system design, installation, operation, and maintenance for large public, industrial, and commercial buildings. We specialise in HVAC systems, electrical engineering, and BMS control solutions while serving diverse sectors such as education, healthcare, and social housing. Our commitment to quality is demonstrated through continuous improvement initiatives, cutting-edge technology like BIM and CAD systems, and adherence to strict health, safety, and environmental standards.

With 24/7 emergency response capabilities and a 2-hour service guarantee, we maintain long-term client relationships through reliable delivery and technical excellence. Our ISO-certified quality management processes ensure compliance with all regulatory requirements while our proprietary Service Pro CAFM system optimises project efficiency. As industry leaders with more than a dozen accreditations, we combine decades of operational experience with modern methodologies to deliver sustainable, cost-effective building services solutions.
Services
HVAC Systems Hot & Cold-water Services Public Health Engineering Electrical Engineering Lighting Systems BMS & Control Systems Maintenance Services Installation Services Energy Evaluation Social Housing Solutions
Details
  • Year established: 1963
Highlights and features
  • We have over 60 years of experience in HVAC systems.
  • Our team consists of 80+ directly employed engineers.
  • We offer 24/7 emergency services with a 2-hour response time.
  • We operate across six key sectors including healthcare and education.
  • We utilise proprietary Service Pro CAFM system for project efficiency.
Services
HVAC Systems
We design, install, and maintain comprehensive heating, ventilation, and air conditioning systems for large commercial and industrial buildings. Our solutions ensure optimal environmental conditions while maximising energy efficiency. With specialist expertise in complex installations for healthcare facilities and educational institutions, we deliver year-round temperature control solutions that meet strict regulatory standards.
Maintenance Services
Our 24/7 maintenance division provides planned preventive maintenance and reactive repairs for mechanical and electrical systems. Using advanced CAFM technology, we track service schedules and manage work orders across multiple sites. This proactive approach minimises downtime while extending equipment lifespan through regular inspections and timely interventions.
Installation Services
We offer complete installation of mechanical and electrical building services including plumbing, electrical systems, and control engineering. Our engineers implement new systems with minimal disruption to ongoing operations. Specialising in major refurbishments for commercial properties and public sector buildings, we ensure seamless integration of modern infrastructure with existing facilities.
Energy Evaluation
Our energy assessment services identify opportunities to improve building energy performance while reducing operational costs. We conduct detailed analyses of existing systems and recommend upgrades that enhance efficiency. This service helps clients achieve sustainability targets through data-driven recommendations and implementation support.
Social Housing Solutions
We deliver tailored heating and plumbing solutions for social housing providers and local authorities. Our CAFM-managed projects ensure efficient service delivery across large housing estates. We specialise in upgrading systems for vulnerable residents while maintaining compliance with housing regulations and accessibility standards.
People
Paul Merritt
Chairman
With over 35 years at BTU, Paul provides strategic leadership focusing on service excellence and long-term client relationships. His operational expertise ensures continuous improvement across all business functions.
Andrew McCracken
Managing Director
Andrew leads BTU's installation and maintenance divisions with a degree in Environmental Engineering. He specialises in client relationship management and operational development across key industry sectors.
Paul Bass
Financial Director
Paul oversees financial operations with 30 years' experience in construction industry accounting. His expertise supports BTU's growth while maintaining financial discipline and industry-specific compliance.
James Rusell
Senior Operations Manager
James manages operations with 25+ years in heating industry. He focuses on developing high-performance teams that deliver cost-effective solutions while maintaining BTU's quality standards.
Joel Keys
Senior Contracts Manager
Joel oversees contract delivery with technical expertise in planned and reactive maintenance. He ensures client satisfaction through effective coordination between management and field engineers.
Questions
What HVAC services do you offer?
We provide full HVAC lifecycle services including system design, installation, planned maintenance, and emergency repairs for commercial and industrial buildings.
Which sectors do you specialise in?
We work across education, healthcare, public sector, commercial/industrial sites, and social housing with tailored solutions for each sector's specific requirements.
Do you offer emergency services?
Yes, our 24/7 service includes a manned helpdesk and 2-hour response time for urgent heating and cooling system issues.
What quality standards do you follow?
We maintain ISO-certified quality management systems and comply with all relevant UK and EU commercial regulations for building services.
How do you manage large projects?
We use proprietary Service Pro CAFM software and BIM technology to coordinate complex projects, ensuring efficient delivery across multiple sites.
What areas do you cover?
We operate throughout London and the South East, serving clients from Surrey to Essex with dedicated local engineering teams.