Commercial & industrial heating across Oxfordshire
Twin Firebird boilers and associated pipework at Mulberry Bush School

Commercial capability

One team for the whole system.

From planned replacement to ongoing maintenance, Oxyplumb Commercial supports commercial heating, hot water, gas and specialist plumbing systems across Oxfordshire.

01

Commercial boilers

Installation & replacement

Commercial boiler upgrades for schools, offices, care homes, hospitality venues, warehouses and industrial premises. We assess the site, design the replacement approach, install and commission the new plant.

  • Single, twin and cascade boiler arrangements
  • Natural gas, LPG and oil systems
  • Flues, pumps, controls and associated pipework
  • System commissioning and handover
  • Support for leading commercial manufacturers
Twin Vaillant commercial boilers installed by Oxyplumb at LTI Metaltech
02

Maintain performance

Servicing & reactive repair

Planned and reactive maintenance designed to keep heating and hot-water systems operating efficiently, with work scheduled around occupancy and business-critical periods.

  • Annual servicing and planned maintenance
  • Commercial boiler fault-finding and repair
  • Warm-air heater service and repair
  • Plant-room pumps, valves and controls
  • Reactive attendance across Oxfordshire
Oxyplumb servicing and testing existing twin boilers with a flue probe and combustion analyser
03

Plant rooms

Installation, replants & upgrades

New-build plant rooms and upgrades to existing boiler houses, including the surrounding components that make the system work as one coordinated installation.

  • Plant-room assessment and replacement planning
  • Boilers, pumps, pressurisation and expansion
  • Manifolds, distribution pipework and insulation
  • Controls integration and zoning
  • Refurbishment and staged changeovers
Twin Firebird boilers and connected pipework at Mulberry Bush School
04

Large-volume spaces

Warm-air heaters

Supply, installation, servicing and repair of warm-air heating for warehouses, industrial units, workshops and other high-volume commercial buildings.

  • New warm-air heater installation
  • Replacement of ageing suspended units
  • Gas supply and controls
  • Annual servicing and fault diagnosis
  • Powrmatic and other leading manufacturers
Powrmatic warm-air heater installed at MediaFleet in Witney
05

Commercial hot water

Water heaters, calorifiers & cylinders

Commercial and industrial hot-water systems designed around occupancy, peak demand, available plant space and the building’s operating pattern.

  • Commercial water heaters
  • Large unvented cylinders and calorifiers
  • Instantaneous hot-water systems
  • Pumps, controls and distribution upgrades
  • Maintenance and replacement
Lochinvar commercial water heater at Burford School
06

Pressure & resilience

Cold-water boosting systems

Booster and pressurisation solutions for commercial buildings where incoming mains pressure or existing distribution cannot meet the site’s requirements.

  • Cold-water booster sets
  • Pressurisation equipment
  • Storage and distribution integration
  • Replacement of ageing pumps and controls
  • Planned maintenance
Installed Grundfos Hydro MPC-E cold-water booster set connected to plant-room pipework
07

Commercial gas

Pipework, testing & purging

Commercial and industrial gas pipework installation and associated testing for heating plant, commercial kitchens, warm-air heaters and process equipment.

  • Natural gas and LPG pipework
  • New routes and equipment connections
  • Pressure and tightness testing
  • Purging and commissioning support
  • Gas Safe certification where applicable
Oxyplumb rooftop gas pipework installation at Faringdon Community College
08

Commercial cooling

Commercial air conditioning

Installation, replacement and servicing for offices, shops and business premises, planned around room use, occupancy and access.

  • New split-system air conditioning installations
  • Replacement of existing indoor and outdoor units
  • Servicing and fault investigation
  • Vacuum, commissioning and system checks
  • F-Gas qualified engineers
Complete commercial air-conditioning outdoor unit with commissioning equipment connected
09

Commercial plumbing

Plumbing installations & repairs

Commercial plumbing work for schools, workplaces, hospitality and industrial premises, planned around access, isolations and continued building use.

  • Water and heating pipework alterations
  • Replacement valves and plant connections
  • Plumbing for staff facilities and washrooms
  • Leak investigation and repair enquiries
  • Work within wider heating and hot-water projects
Geberit Mapress copper and steel pipework systems with press fittings
10

Toilets, showers & changing rooms

Commercial toilet & washroom refurbishments

From layout and strip-out to installation and handover, we can coordinate a refurbishment around your building. Explore premium cubicles, sanitaryware and changing-room options, alongside the plumbing that makes them work.

  • Toilet blocks, cubicles and commercial sanitaryware
  • Shower-block and changing-room refurbishments
  • Lockers, benches and coordinated finishes
  • Hot-water capacity, pressure and plumbing upgrades
  • Survey, agreed trade coordination and phased handover
Venesta Infinite full-height toilet cubicles and coordinated vanity area

Independent customer feedback

Hundreds of five-star reviews. See for yourself.

You want to feel comfortable with the people working in your building. Take a look at Oxyplumb’s independent customer feedback, then tell our commercial team how we can help.

Verified customer reviews

Which? Trusted Traders

4.9/5

from 260 reviews

99% of customers recommend Oxyplumb on the official profile.

View Which? reviews

Google and Which? rating figures checked on 21 October 2026.

Find the right starting point

You do not need to know which component has failed to ask for help. Choose the situation that best matches your premises.

Oxfordshire & the Cotswolds

One team for your local premises

Oxyplumb supports businesses and organisations across Oxfordshire and the Cotswolds. Whether you need a boiler service in Witney, a plant-room upgrade in Oxford or better water facilities at a Cotswold venue, we can help you work out the practical next step.

Let’s talk about your building

Not sure where to start?

Tell us your site postcode, the service you need and any dates or operating constraints we should work around.

Discuss your local project

Start with the site

Tell us what the building needs to do.