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KodyGas Boiler Repair
Vaillant wall-mounted boiler with neat copper pipework

Service 03

Boiler installation and replacement in Rotherham

Homes ready for a new boiler, a like-for-like swap, or a replacement after repairs stop making sense.

About boiler installation

Boiler installation in Rotherham should be sized to the house, not to a price list. We supply and fit combi, system and conventional boilers, register the warranty in your name, and leave the system commissioned and explained.

Sheffield sees a lot of our install work too, along with Doncaster and Barnsley. Straight swaps are often done in a day. Dust sheets go down, the old unit comes out, and we tidy before we leave.

If your current boiler still has life in it, we say so after diagnostics. When replacement is the better call, quotes are fixed up front. That includes high-efficiency and condensing options from major manufacturers.

Part of our gas engineer work across South Yorkshire.

Combi, system or conventional: picking the right boiler

Combi boilers suit many homes: no tank, no cylinder, hot water on demand. They are not right for every property. Water pressure, bathroom count and how the household uses hot water all matter.

System and conventional setups still make sense where stored hot water or multiple bathrooms need more than a combi can deliver comfortably. We will say so when a different layout is the better fit, even if a combi quote would have been simpler to sell.

Longer warranties depend on who fits the boiler as much as which badge is on the front. We install to manufacturer spec so the full guarantee stands.

Replacing an old boiler

Replacement makes more sense than another repair when the boiler is ageing and parts keep failing, or when keeping it going would cost more than a new unit. Since the 2022 revision of Part L, a replacement gas boiler has to be at least 92% ErP efficient, so an older appliance that falls short of that standard is often better swapped than patched again.

We remove the old boiler as part of the job. Straight like-for-like swaps are often done in a day: dust sheets go down, the old unit comes out, and the new boiler is fitted and commissioned before we leave.

If you are not sure whether repair or replacement is the better call, start with a diagnosis. Our boiler repair team will tell you straight after looking at the appliance, with no pressure to buy a new one.

Supply and fit without surprise markups

We supply as well as fit, so you are not paying a merchant markup on top of a separate fitting charge. Quotes cover the boiler, the install and the tidy finish you see on the day.

Rising bills and repeat repairs usually mean a boiler is on its way out. We take the old unit away and leave the system balanced. If power flushing is wise before the new boiler goes in, we say so up front rather than discovering sludge mid-job.

Installation across South Yorkshire

Rotherham is home base. Sheffield is one of our busiest install areas, with Doncaster and Barnsley covered on the same Gas Safe registration (625280).

Tell us when suits and we will work around it where diaries allow. Free quotes, no obligation. Call or ask for a quote when you are ready.

What Building Regulations require

Since the 2022 revision of Part L, a replacement gas boiler has to be at least 92% ErP efficient. The system needs thermostatic radiator valves on every radiator except the one in the room holding the main thermostat, and an in-line system filter has to be fitted.

We carry out a room-by-room heat loss calculation so the boiler is not significantly oversized, which Part L also requires. Oversizing is the common mistake: a boiler that is too big short-cycles, wasting gas and wearing components faster than one correctly matched to the property.

Before commissioning, the system is cleaned, flushed and dosed with inhibitor to BS 7593. Flue positions follow BS 5440 and the manufacturer's minimum clearances from windows, doors, boundaries and eaves. The installation is notifiable work, so we notify it and you receive your Building Regulations compliance certificate along with a completed Benchmark record.

How boiler installation works, step by step

  1. Survey and quote

    We look at the property, hot water demand and existing system, then quote fixed options.

  2. Choose the boiler

    Combi, system or conventional, sized properly. We explain trade-offs in plain English.

  3. Install day

    Protection down, old unit removed, new boiler fitted and commissioned, usually in a day for a straight swap.

  4. Handover

    Warranty registered, controls explained, paperwork left with you.

What's included

  • Supply and fit of major boiler brands
  • Combi, system and conventional options
  • Boiler replacement and system upgrades
  • Old boiler removal and tidy finish
  • Warranty registration and handover

What it costs

Installation cost depends on whether it is a like-for-like swap, a boiler move, flue route, system clean and which model you choose. Quotes are fixed before the install day, covering supply, fit, old boiler removal and commissioning. Ask for a free quote.

Boiler Installation across South Yorkshire

Based in Rotherham. We cover Sheffield, Doncaster, Barnsley and nearby towns.

See all coverage areas

FAQs

Many straight swaps finish in a day. More complex jobs take longer. We confirm timescales when we quote.

Ready for boiler installation?

Call now or send a quote request. We cover Rotherham, Sheffield, Doncaster and Barnsley.

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