Investigate controls, circulation pumps and distribution separately from boiler defects. Replacing the heat generator alone will not necessarily remedy faults in the system it serves.
For an agreed replacement scope and the existing system details to provide, explore boiler replacement.
Define the building's requirement
Base design on current building activity, heating and hot-water loads and the periods of demand. Include planned changes. An earlier occupancy pattern is not a sound reason to retain an unchanged specification without reassessment.
Review alternative sources of heat as complete options. The Carbon Trust heat-decarbonisation approach includes fabric, emitters and supporting infrastructure; changing the generation technology needs that broader assessment.
Survey the installation interfaces
Survey the plant space, removal route, connections, flues, ventilation, condensate, power and controls. Specify alterations and establish the condition of retained equipment connecting to the proposed plant. Interfaces belong in the priced scope.
Verify the gas business and the attending engineer's relevant categories against the planned work. HSE describes Gas Safe checks. Registration must fit the activity and does not replace assessment of the commercial installation requirements.
Plan continuity and shutdowns
Agree outage periods, affected occupiers and communications. Establish and explicitly price any temporary heating or hot-water provision. Coordinate lifting, deliveries, protection and disposal with site operations and available working windows.
Allow for commissioning and adjustments after physical installation. The handover needs to demonstrate the intended operating arrangement, not merely that equipment has been fitted.
Compare the complete quotation
Compare plant, enabling work, removal, fitting, controls, commissioning and reinstatement on a consistent basis. Make exclusions and ownership of associated fabric or electrical work explicit.
Collect commissioning documentation, user instructions, warranty details and servicing requirements. Update the asset records and brief the people managing the heating controls.
FAQs
Can a replacement boiler use the same capacity as the old one?
Let the design assessment determine output. Existing ratings inform that assessment, but demand and use may have changed since the original installation.
Should the controls be included in the review?
Yes. Establish compatibility with retained equipment and controls. Include any integration or upgrading needed in the project specification.
What should we provide before a survey?
Provide asset data, inspection history, fault records, layouts, operating periods and access limits. Explain future building changes and the continuity arrangements the site needs.
Related help
Explore heating services, planned asset replacement and repair or replacement decisions, or submit a heating project brief.
Compare the complete cost
- Heating demand and the condition of the existing system.
- Boiler, flue, controls and changes to associated pipework.
- Removal, commissioning and arrangements while heating is unavailable.
Ask the quotation to show VAT, inclusions, exclusions and how any additional work will be agreed. Confirm whether the price covers the complete job or an initial visit.
A useful scope comparison
A replacement using suitable existing connections differs from a project that also needs flue changes, controls or wider system repairs. Compare the complete installed and commissioned scope.
Request a quotation
Provide plant details, service history, faults and the hours when heating and hot water are needed.
