Commercial Heating & Plumbing
Established in 1992, SJ Feist & Co Ltd is a trusted provider of commercial heating, plumbing, and maintenance services across Sussex and Kent.
Fully Accredited
SJ Feist & Co is a family-run business with a reputation for quality service and expertise in heating, plumbing, and commercial installations.




SJ Feist and Co
About SJ Feist & Co
With over 35 years of industry experience, we have built a reputation for reliability, quality, and expertise in serving businesses of all sizes.
Our highly skilled team delivers a comprehensive range of services tailored specifically to meet the needs of commercial properties. From plant room renovations and boiler servicing to Legionella control and heating installations, we ensure your systems operate safely, efficiently, and in compliance with all regulations.
We understand the importance of minimal disruption in a commercial environment and strive to deliver efficient solutions, timely service, and exceptional results. Whether you’re looking for preventative maintenance, urgent repairs, or full system installations, we provide professional, reliable services with a focus on your business’s needs.
Installation | Servicing | Repairs
Sectors We Cover
We provide reliable, compliant heating, plumbing, and maintenance services across a wide range of commercial sectors. With experience in both public and private settings, we tailor our solutions to meet the specific demands of each environment, ensuring safety, efficiency and minimal disruption to your operations.
- Schools – safe and efficient systems to support learning environments
- Depots – robust services for high-demand operational spaces
- Offices – Reliable heating and plumbing for everyday comfort and compliance
- Churches – sensitive solutions for historic and community buildings
- Care Homes – trusted systems that prioritise safety and comfort
- Factories – durable and efficient systems for industrial use
- Healthcare Facilities – high-standard solutions that meet strict regulatory requirements
Installation | Servicing | Repairs
Commercial Heating
We provide expert commercial heating services to keep your systems safe, compliant, and efficient. From routine maintenance to full plant room renovations, our team delivers reliable, professional solutions tailored to your business needs.
- Plant room renovations
- Commercial Gas and oil Boiler servicing
- Calorifier/unvented cylinder servicing and disinfection
- Written schemes of examination for pressurised heating and hot water systems
- Fan heater servicing and installation
Installation | Servicing | Repairs
Commercial Plumbing
We offer fast-response plumbing maintenance, TMV servicing and replacements, and general plumbing repairs. Our team also handles heating installations such as radiators and underfloor heating, along with point-of-use water heater installation, servicing, and repairs.
- Fast response plumbing maintenance
- TMV servicing and replacements
- General plumbing repairs
- General heating installation works such as radiators and UFH
- Point of use water heater installation, servicing and repairs
Supply | Installations | Maintenance
Commercial Washrooms
We supply, install, and maintain commercial washroom facilities tailored to your business needs. From small refurbishments to full fit-outs, we ensure every element is compliant, efficient, and built to a high standard, with minimal disruption to your operations.
- Washroom supply and refurbishment
- Installation of toilets, urinals, and basins
- Sensor taps and water-saving controls
- Accessible and DDA-compliant facilities
- Ongoing maintenance and repairs
Other Service
Legionella
We help businesses maintain safe and compliant water systems with expert Legionella prevention and control. From water sampling and disinfection to remedial works and L8 compliance, our team ensures your system meets all safety regulations.
- Legionella water sampling
- Disinfection of water systems
- Legionella remedial works
- Assisting clients to become L8 compliant.
- Dead leg removal
Get In Touch
Contact SJ Feist & Co
Request a free quote today and receive a clear, no-obligation estimate tailored to your commercial project needs. Our team is ready to provide expert advice and reliable service.