GAS SAFE REG. 542111 · SAMSUNG PARTNER 0203 633 0285  ·  info@rhmep.uk
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■ Commercial heating · London & South East

Commercial heating systems, designed, installed and maintained.

From a single boiler swap to a full plant room. Our Gas Safe registered engineers design, install and maintain heating and hot water for offices, retail, restaurants and mixed-use buildings, including the move from gas to heat pumps.

GAS SAFE 542111LTHW PLANT ROOMSHEAT PUMPSPPM CONTRACTS
RH MEP · First floor hot & cold waterRH-53-01-001 · A02
Hot water flowHot water returnBoosted coldMains waterOur drawing · boiler, water heater, gas supply

Book a heating survey

We'll look at your existing plant and give you clear options with costs.

Heating failed? Call 0203 633 0285 for an emergency call-out.

■ What we cover

Every part of a commercial heating system.

Commercial heating is a system, not a boiler. We look at the whole thing: the heat source, the distribution, the controls and the hot water, so it runs efficiently and passes inspection.

Because we also design and install ventilation and air conditioning, we can plan heating alongside the rest of the building's services rather than in isolation.

  • H-01
    Plant room design and installationNew and replacement plant rooms, headers, pumps, valves and controls.
  • H-02
    Commercial boiler replacementLike-for-like or upgraded high-efficiency boilers, with minimal downtime.
  • H-03
    Heat pumps and hybrid systemsAir source heat pumps on their own or alongside existing boilers.
  • H-04
    Hot water systemsCalorifiers, plate heat exchangers and direct-fired water heaters.
  • H-05
    Pressurisation and water treatmentPressurisation units, dosing pots and system cleaning.
  • H-06
    Maintenance and repairsPlanned preventative maintenance contracts and emergency call-outs.
■ Heating projects

Recent heating work.

Office HQ · Kensington · 52 weeks

Arrival headquarters

Heating and ventilation and a plant room upgrade across an 8,600 m² headquarters, including the MEP works for a new commercial kitchen.

Laboratory · London · 50 weeks

Happy Electron lab & office

A new plant room, heating and ventilation for an industrial unit converted into a two-storey laboratory and office.

■ Questions

Commercial heating FAQs.

If your question isn't here, call 0203 633 0285 or send us a WhatsApp.

Can you replace our gas boilers with heat pumps?

Often, yes. We survey the building and existing system first, because heat pumps run at lower temperatures and some buildings need emitter or pipework changes. Where a full switch doesn't suit, a hybrid system with heat pumps leading and boilers topping up is a common option.

Do you offer maintenance contracts?

Yes. We set up planned preventative maintenance contracts covering boiler servicing, gas safety checks, pumps, pressurisation and water treatment, with a fixed visit schedule.

Can you work while the building is open?

Yes. Most of our work is in occupied offices and trading premises. We plan shutdowns out of hours and use temporary heating where it's needed.

Do you do emergency call-outs?

Yes. If your heating or hot water has failed, call 0203 633 0285 and we'll arrange an engineer.

Which areas do you cover?

We're based in Chessington and work across London and the South East. For larger projects we also work elsewhere in the UK and in Europe.

Planning a fit-out, upgrade or replacement?

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