Business Details
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services
Expert Engineering & Sustainability Solutions in Dartford
Ergro Mechanical Services is a dedicated engineering solutions provider with a relentless focus on quality, innovation, and sustainability. Our team of directly employed engineers delivers meticulous maintenance, compliance, and decarbonisation projects across commercial, educational, and public sector clients. By linking every service to individual asset data, we empower clients with actionable insights to optimise systems and reduce operational costs.With ISO 50001 certification and a proven track record in London and beyond, we combine technical expertise with transparent accounting to ensure cost certainty and long-term client partnerships. Our commitment to sustainability is evidenced by our Ergro Mechanical Services Earth initiative, which guides clients toward net-zero goals through intelligent monitoring and carbon reduction strategies.
Services
Decarbonisation Projects
Air Conditioning Maintenance
Boiler Replacement
Electrical Services
Ventilation Systems
Emergency Repairs
PPM Contracts
Carbon Reduction
Building Services
Sustainability Solutions
Highlights and features
- Our directly-employed engineers ensure consistent quality and accountability
- ISO 50001 certified energy management systems guarantee sustainability standards
- Asset-linked data provides actionable insights for cost optimisation
- Transparent accounting with no hidden fees or claims-based pricing
- Proven track record in complex decarbonisation projects since 2014
Associations and certifications
- ISO 50001
What people say
Exceptional workmanship
Proactive approach
Transparent accounting
Reliable partners
Technical expertise
Services
Decarbonisation Projects
Our comprehensive decarbonisation services transform building systems to meet net-zero targets. We implement heat pumps, LED lighting upgrades, and ventilation optimisation while providing detailed carbon reporting. With ISO 50001-certified processes, we deliver measurable energy savings and emissions reductions for commercial and public sector clients across London and the South East.
Air Conditioning Maintenance
We provide planned preventative and reactive maintenance for air conditioning systems. Our engineers perform EC fan upgrades, control strategy optimisation, and system refurbishments to improve efficiency. All work is asset-linked for performance tracking, ensuring compliance with F-Gas regulations and maintaining optimal indoor environments for commercial and educational clients.
Boiler Replacement
Our boiler replacement projects include installation of air source heat pumps and modern gas-fired systems. We handle full plantroom upgrades with associated pipework and controls integration. Each project includes system flushing, efficiency testing, and commissioning documentation to ensure compliance with building regulations and operational requirements.
Electrical Services
We deliver electrical installations, emergency lighting upgrades, and power distribution upgrades. Our certified engineers perform periodic inspections, fault finding, and LED lighting retrofits. All work follows BS7671 standards with full testing documentation, ensuring safety compliance and energy efficiency improvements for commercial and public sector clients.
Ventilation Systems
Our ventilation services include AHU refurbishment, heat recovery unit installation, and ductwork upgrades. We implement energy-efficient EC fan technology and smart controls to improve indoor air quality while reducing energy consumption. Projects include full system commissioning and ongoing maintenance contracts for commercial and educational facilities.
People
Chris Wollen
Chairman
With over 25 years in engineering services, Chris leads Ergro Mechanical Services's strategic direction. He established the company's sustainability focus and drives innovation in carbon reduction technologies while maintaining operational excellence across all client projects.
Paul Martin
Managing Director
Paul oversees day-to-day operations and client relationships. With engineering qualifications and 15+ years in building services, he ensures project delivery excellence and maintains Ergro Mechanical Services's technical leadership in decarbonisation projects across London's commercial sector.
Jainn K. Paul
Project Manager
As lead project manager, Jainn coordinates complex decarbonisation schemes. He manages multi-disciplinary teams for boiler replacements, ventilation upgrades, and energy efficiency projects, ensuring timely delivery and client satisfaction across public sector contracts.
Mark McFarlane
Service Engineer
Mark leads field operations with 12 years' experience in HVAC systems. He supervises engineers on reactive maintenance and PPM contracts, ensuring technical compliance and quality standards across commercial and educational client sites.
Joel Brittain
Head of BD & Sustainability
Joel drives business development and sustainability strategy. He manages the Ergro Mechanical Services Earth initiative, develops carbon reduction partnerships, and promotes innovative technologies like voltage optimisation and heat transfer fluids to achieve client net-zero goals.
Questions
What engineering services do you specialise in?
We specialise in decarbonisation projects, HVAC maintenance, boiler replacements, electrical services, and ventilation system upgrades across commercial, educational, and public sector buildings.
How do you support sustainability goals?
Through our ISO 50001-certified processes and Ergro Mechanical Services Earth initiative, we implement energy-saving technologies, carbon reporting, and retrofit solutions to help clients achieve net-zero targets.
Do you handle emergency maintenance?
Yes, we provide reactive maintenance services for critical building systems with rapid response times across our served areas.
What makes your approach different?
We combine directly-employed engineers, asset-linked data analytics, and transparent accounting to deliver consistent quality and long-term value for clients.
Which sectors do you work with?
We serve commercial landlords, educational institutions, local authorities, and public sector organisations across London and the South East.
Can you handle large-scale projects?
Yes, we manage multi-phase decarbonisation projects and long-term maintenance contracts for complex buildings including libraries, universities, and commercial offices.
