Load compensation: how a modern boiler reads your room temperature
Load compensation lets the boiler moderate its own output as a room approaches its target temperature, rather than firing flat-out until the thermostat suddenly switches off.
What we check first with load compensation control
A compatible thermostat continuously reports how far the room is from target, and the boiler's controller reduces flow temperature gradually as that gap closes. This avoids the classic overshoot-and-cool cycle of older on-off thermostats, holding a steadier room temperature with fewer full-power burn cycles. It complements weather compensation rather than replacing it, and many modern controllers run both together.
Practical notes on load compensation control
- The boiler moderates output as the room nears its target temperature
- It reduces the overshoot common with simple on-off thermostats
- Load compensation needs a compatible smart or modulating thermostat
- It can be used alongside weather compensation for combined benefit
- Fewer full-power firing cycles can reduce noise and burner wear
Where we deal with this
Relevant registrations
- Gas Safe registered for domestic gas boiler work
- OFTEC registered for oil boiler work
- Worcester Bosch Accredited Installer
Sorted quickly: load compensation control
Our advice: Load compensation is a quieter, steadier way of heating a room than a boiler slamming on and off, and it is available on most modern modulating combis with the right thermostat.
Use the enquiry form to describe the appliance, fault code and what changed before the problem started.
Related help pages
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- Valve faultTRV stuck open or closed: freeing a seized radiator valve
- Property typeHeating thick-walled cottages without losing character
- Property typeHoliday cottages left empty in winter: frost protection priorities
Services that cover this
Questions we get asked
- Is load compensation the same as weather compensation?
- No — weather compensation reacts to outdoor temperature, while load compensation reacts to how close the room itself is to its target.
- Do I need special radiators for it to work well?
- No special radiators are needed, though a correctly sized system responds more smoothly to the gradual output changes.
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