Knowledge base

Heat pump

Can a heat pump work in an older home?

By Updated 3 min read

The short answer

A heat pump can suit an older home. Building age alone does not decide suitability: current insulation, heat loss and the heating system matter. Have equipment space and renovation plans assessed too before choosing hybrid or all-electric.

Must an older house be fully insulated first?

Not every component needs to be new, but establish the current condition. An insulated 1930s home can have different heat demand from an unchanged 1970s property. Consider the roof, walls, floor, glazing and ventilation.

For all-electric heating, limited heat demand and sufficient emitter output at a suitable water temperature are important. If insulation is poor, compare a plan that improves the home first.

Source: Milieu Centraal — volledig elektrische warmtepomp

How can you check whether low-temperature heating works?

Milieu Centraal’s heating test temporarily uses central-heating water at 50 °C during cold weather. It is intended for suitable condensing-boiler installations; follow its eligibility rules and instructions. Do not lower the temperature for taps and showers.

A comfortable home provides useful evidence. If some rooms stay cold, record which ones. The test is an initial indication and does not replace a heat-loss calculation or installation assessment.

Source: Milieu Centraal — Verwarmingstest

Read how to assess existing radiators

What should you have checked before buying?

Checklist for an existing home
ItemQuestion for your consultation
Heat demandHow much heat does each room need, including in cold weather?
Heat emittersWhich radiators, convectors or underfloor heating can stay?
Space and noiseWhere can the units and any hot-water cylinder go?
Electrics and pipesWhich changes are needed, and are they included in the quote?
RenovationWill insulation, layout or floor area change?

Bring a floor plan, radiator photos and information about previous insulation work. Annual energy use provides background but cannot tell you each room’s heat requirement.

Should you go all-electric now or work in stages?

Plan for the home as you ultimately intend to use it. Insulation improvements or an extension can change the required capacity. Ask which work is needed now and which belongs to a later stage.

Then compare hybrid and all-electric on installation costs, home alterations, hot water and expected use. Show any subsidy separately; choose the system around suitability for your home.

Compare hybrid and all-electric

More questions

Is energy label C sufficient for a heat pump?

The label alone cannot give a final answer. Have current insulation, heat loss and room-by-room output assessed. A label may also predate recent improvements.

Can I choose capacity from my annual gas consumption?

Gas use is useful background, but also reflects occupant behaviour, weather and domestic hot water. Have capacity assessed for your home and heating needs rather than relying on one annual bill.

Published on . Content updated on .

What suits your home?

Explore the options or ask us for personal advice.