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28 Years
experience
Emergency
services
Trusted HVAC & Plumbing Services in Essex
Established in 1998, Sjbmechanical has built a reputation as a trusted provider of mechanical and building services across Essex and London. Our Gas Safe Registered engineers and Institute of Plumbing & Heating Engineers members bring 25 years of combined expertise to domestic and commercial projects. We hold multiple accreditations including MCS certification for renewable energy installations and Refcom accreditation for air conditioning. Our portfolio includes high-profile clients such as the Hilton Hotel Park Lane and the American Embassy, demonstrating our capability to deliver complex projects. We specialise in air conditioning systems, underfloor heating, boiler installations, and drainage solutions while maintaining F-Gas and City & Guilds qualifications. Our family-run business combines technical expertise with a commitment to minimal disruption, completing projects from small bathroom renovations to large-scale commercial installations.

We maintain ongoing service contracts with major organisations like Hiscox and Abbott Laboratories, ensuring system reliability through regular maintenance. Our engineers are trained in the latest refrigerant gas replacements, including R22 to R32 conversions. We offer 24/7 emergency response for critical systems failures, as demonstrated during our rapid intervention at Hackney Public Mortuary during the 2020 pandemic. Our approach integrates building works with mechanical installations to provide complete solutions without subcontracting, ensuring quality control across all projects.
Services
Air Conditioning Plumbing Services Heating Systems Gas Installation Heat Pumps Drainage Repairs Boiler Servicing Bathroom Renovations R22 Replacement Emergency Repairs
Details
  • Year established: 1998
Highlights and features
  • 25 years' experience in mechanical and building services
  • Gas Safe Registered Engineers (Reg. No. 231342)
  • MCS accredited renewable energy installations
  • Family-run business with direct client communication
  • Emergency response within 48 hours guaranteed
Associations and certifications
  • Gas Safe Register
  • Institute of Plumbing & Heating Engineers
  • Refcom
  • City & Guilds
  • F-Gas
  • Microgeneration Certification Scheme (MCS)
What people say
Excellent job Professional team Reasonable prices Minimal disruption Reliable service
Services
Air Conditioning
We design and install energy-efficient air conditioning systems for domestic and commercial properties. Our Refcom-registered engineers provide complete solutions including ducted systems, split units, and R22 refrigerant replacements. Regular maintenance contracts ensure optimal performance and compliance with F-Gas regulations.
Plumbing Services
From bathroom installations to commercial drainage solutions, our Institute of Plumbing-certified engineers handle all aspects of hot and cold water systems. We specialise in integrating building works with plumbing installations to minimise disruption while maintaining compliance with current regulations.
Heating Systems
We install and service central heating systems including condensing boilers, underfloor heating, and renewable energy solutions. Our Gas Safe engineers work with major brands like Vaillant and Worcester Bosch, providing both domestic installations and commercial boiler maintenance contracts.
Heat Pumps
As MCS-accredited installers, we provide air and ground source heat pump systems with eligibility for government incentives. Our engineers design systems that integrate with underfloor heating and existing radiators, ensuring energy efficiency and compliance with renewable technology standards.
Emergency Repairs
We offer rapid response for critical system failures, demonstrated through our 48-hour emergency intervention at Hackney Public Mortuary. Our engineers maintain essential heating and cooling systems for commercial clients including hospitals and data centres across London and Essex.
Questions
Are your engineers qualified and accredited?
Yes, we hold Gas Safe, F-Gas, and Institute of Plumbing accreditations with City & Guilds qualified engineers. All work meets current industry standards.
Do you offer emergency services?
We provide 24/7 emergency response for critical heating and cooling system failures, with guaranteed 48-hour resolution times.
What areas do you cover?
We operate throughout Essex, Greater London, and surrounding areas including Chelmsford, Romford, and Colchester.
Can you handle both domestic and commercial projects?
Yes, we work with private homeowners and major corporations including Hilton Hotels, HSBC, and Abbott Laboratories.
Do you offer maintenance contracts?
We provide scheduled maintenance for HVAC systems, boilers, and air conditioning units with flexible service intervals.
Are you qualified for renewable energy installations?
As MCS-certified engineers, we install and maintain air source heat pumps and solar thermal systems with eligibility for government incentives.