Certified for Quality, Safety and Technical Excellence
At Treco, we believe that quality assurance and compliance are the foundations of every successful biomass boiler installation.
Our accreditations and professional memberships demonstrate that we not only meet but exceed the industry standards for renewable heating design, installation, and maintenance.
From nationally recognised certification schemes to manufacturer-approved training, every aspect of our work is independently verified to ensure the highest levels of safety, efficiency and reliability.
Key Accreditations
- Microgeneration Certification Scheme (MCS – Standard 040)
Treco is fully certified under MCS 040, the recognised UK standard for biomass boiler systems service and maintenance. This ensures we meet strict technical and quality benchmarks.
- HETAS Registered
Our engineers are HETAS qualified and registered.
- Renewable Energy Consumer Code (RECC)
As members of the Renewable Energy Consumer Code, Treco commits to transparency, professionalism, and fair trading in all customer dealings.
RECC membership provides assurance that our contracts, quotations, and after-sales service are clear, ethical, and compliant with consumer protection law.
Health, Safety and Site Competence
- SafeContractor Accredited
Treco is proud to hold SafeContractor accreditation — one of the UK’s most rigorous health and safety assessment schemes.
This independent verification confirms that our policies, procedures and on-site practices meet national standards for safety, environmental management and ethical operations.We were previously accredited with CHAS and Achilles, but chose to transition to SafeContractor as it provides a broader, more robust verification process that covers sustainability, financial stability, and modern-slavery compliance in addition to health and safety.
This gives our commercial and public-sector clients greater assurance that all work is carried out responsibly and to the highest professional standards.- SSIP Approved: Contractor – CDM
Treco is proud to hold SSIP (Safety Schemes in Procurement) framework, approved in the category of Contractor (CDM).
Our SSIP scope covers:
- Biomass Boiler Installation and Maintenance (Industrial)
- District Heating Systems
- Ability to Subcontract
This comprehensive scope confirms Treco’s competence to deliver and manage complex renewable heating projects under CDM regulations — including principal contractor duties, subcontractor coordination, and multi-site risk control.
- CSCS Certified Personnel
Members of the Treco installation and management team holds a valid CSCS (Construction Skills Certification Scheme) card appropriate to their role:
- Academically Qualified Person (AQP) certification for our lead engineers and designers.
- CSCS Labourer cards for our site operatives.
- CSCS Managers cards for our project and site management teams.
This ensures all personnel are trained, competent, and authorised to work safely on construction and commercial sites in accordance with CDM regulations.
- IOSH Managing Safely & NEBOSH Qualified Staff
Our management team holds IOSH Managing Safely and NEBOSH General Certificate qualifications, reflecting Treco’s proactive approach to risk management and safety leadership.
This training ensures that health, safety and environmental considerations are embedded in every stage of our projects — from design and installation through to commissioning and maintenance.Together, these qualifications underpin our commitment to a safe working culture and compliance with national and international best practice.
Technical Training & Industry Expertise
- BPEC Certified – Domestic & Commercial Woody Biomass Heating Systems
Our installation engineers hold BPEC qualifications in the design and commissioning of woody biomass systems, ensuring compliance with national occupational standards and best practice.
- Manufacturer Training and Approved Installer Status
Treco engineers undergo factory training with a wide range of leading biomass boiler manufacturers, ensuring full familiarity with installation, operation, and maintenance procedures for each system.
Our team has been trained and approved on systems from:Fröling, Guntamatic, Sommerauer, Effecta, Kalvis, Uniconfort, and Heizomat.
This direct manufacturer support allows us to optimise system performance, maintain warranties, and deliver seamless long-term service support for every client.
Our Commitment to Standards
Our accreditations represent more than badges — they demonstrate Treco’s long-standing commitment to quality workmanship, safe practice, and continuous professional development.
Whether it’s ensuring compliance with MCS standards, maintaining SafeContractor accreditation, or providing manufacturer-certified installations, our goal remains the same:
to deliver renewable heating systems that perform reliably, safely and efficiently for years to come.
Find out more about Treco
Careers at Treco
If you’re interested in working for Treco start here for more information about what it's like to work for us and the latest on career opportunities.
Our work
Read a selection of the various projects we've worked on and just some of the examples of our work. With over 700 installations nationwide, you'll be sure to find one in your sector and geographically close to you.