Commercial Heating & Gas Services Across South Yorkshire

If you’re a business owner, landlord, or facilities manager in South Yorkshire, you already know how important it is to keep your properties warm, safe, and compliant. At Kassgas Ltd, we specialise in providing reliable and certified commercial gas, heating and plumbing services to businesses and property managers across Sheffield, Rotherham, Doncaster, Barnsley, Chesterfield, and beyond.

Whether it’s a one-off repair or an ongoing service agreement, our experienced engineers are ready to help.

Why Kassgas Ltd?

Working with commercial premises brings added responsibility. We understand that. That’s why our clients trust us to deliver:

Gas Safe Registered Engineers

All of our engineers are fully qualified and certified to work on commercial gas systems.

ISO 9001 & ISO 14001 Certified

We operate to internationally recognised standards for quality and environmental management,  giving you peace of mind that the work is being done right and responsibly.

Fully DBS Checked Team

We’re safe and approved to work in schools, care settings, residential accommodation, and sensitive sites.

Who We Work With

Our commercial heating and gas clients include:

• Office buildings and business parks

• Retail spaces and showrooms

• Schools, care homes and community centres

• Housing associations and letting agents

• Multi-property landlords

• Warehouses and light industrial units

Our Commercial Services

We offer a full range of commercial heating and plumbing services, including:

• Boiler installation, replacement and upgrades

• Annual boiler servicing and maintenance contracts

• Emergency boiler repairs and diagnostics

• Landlord Gas Safety Certificates (CP12)

• Plumbing and system upgrades for commercial properties

• Smart controls and heating system efficiency reviews

We also work with industry-leading boiler brands including Worcester Bosch, Vaillant, Ideal, and Baxi, providing solutions that match your business needs and your building’s requirements.

Local Coverage Across South Yorkshire

Our engineers are based locally and cover the entire South Yorkshire region, including:

• Sheffield – city centre, S1–S36, Hillsborough, Attercliffe

• Rotherham – Wickersley, Bramley, Maltby, Rawmarsh

• Doncaster – Armthorpe, Bentley, Bessacarr, Wheatley

• Barnsley – Wombwell, Royston, Darton, Cudworth

• Chesterfield – Newbold, Staveley, Hasland, Brampton

We also cover parts of North Derbyshire and West Yorkshire on request.

Why Commercial Clients Keep Coming Back

Fast response times and flexible appointments
No hidden charges, just clear, fixed pricing
Clean, professional engineers who respect your site
High-quality workmanship backed by certification and insurance
Long-term support available, not just one-off visits

Need a Reliable Commercial Heating & Gas Partner?

We’d be happy to discuss your site, building or portfolio, and how Kassgas Ltd can support your business with safe, expert, and dependable service.

Fill in your details here or call us on 0330 058 9419.

Don’t just take our word for it! Check out our 5-Star Customer Reviews