Replacing a boiler with a heat pump in 2026: what the CAE proposal means

Why this matters now
MITECO consulted on applying multipliers to Energy Saving Certificates when a home replaces a boiler with a heat pump, with an additional factor for vulnerable consumers. Consultation closed on 24 July. It is a CAE-system proposal, not an open grant that should automatically be deducted from a quote.
The useful decision is not reacting to a headline or a photograph. It is defining the goal, collecting information and comparing measurable line items. Start with heat-pump installation and compare boiler replacement before accepting a quote.
This topic connects with when aerothermal heating makes sense in Alicante flats and villas. A durable renovation combines the building, services, community, budget and maintenance; if one is outside the scope, an initial saving can become a later issue.

Local impact and budget
In Alicante, a heat pump can perform well in the climate, but results depend on demand, insulation, radiator temperature, hot water, electrical capacity, outdoor-unit position, noise and controls. Replacing the appliance without checking the system can create high consumption, poor comfort or unpriced extra work.
In Alicante Centro, Playa San Juan, El Campello, Torrevieja, Benidorm, Denia, Javea or Altea, the same scope changes with orientation, starting condition, home use and community rules. A survey should document what an advert does not show: services, routes, shared elements, damp and access.
Also compare radiator installation or replacement and electrical installation inspection. The goal is to separate a desirable upgrade from a technical condition that can block works, change the programme or create an extra once finishes are opened.
How to turn it into a controlled project
Request heat-loss calculations, working temperatures, capacity, hydraulic design, hot water, electrics and outdoor location. Ask for any CAE value to be explained separately: who processes it, which documents are needed, when it is confirmed and what happens if the saving is not ultimately certified.
Ask each quote to detail measurements, materials, labour, protection, waste, programme, exclusions and responsibility. A total price without these pieces can orientate, but does not allow you to compare providers or approve changes confidently.
Keep dated photos, drawings where available, minutes and approved decisions. This traceability reduces disputes, enables maintenance and helps another professional understand the scope if it is delivered in phases or the responsible person changes.
Documentation that protects the decision
Before starting, confirm in writing the scope, access, community conditions, materials to be installed and the person responsible for each check. During the works, record changes, photographs and tests in the same file so every decision has a date and understandable reason.
At completion, hand over manuals, warranties, material references, service photographs and a maintenance list. This file is useful for the owner, community and any professional who needs to intervene later; it also prevents a small repair becoming work without context. Confirm the handover contact, the next maintenance date and the location of every access panel before closing the project. Keep every approved variation in the same project record.
Practical checklist
Use this list before requesting quotes or approving the intervention.
- 1Measure demandDesign
Calculate loads and review insulation before sizing equipment.
- 2Check emittersComfort
Validate radiators, fan coils or underfloor heating at the planned temperature.
- 3Review electrics and noiseInstallation
Confirm capacity, protection, routes, outdoor unit and community rules.
- 4Separate CAE from priceContract
Do not accept a conditional discount without written process, owner and fallback scenario.

Frequently asked questions
Is an open CAE grant already available for my home?
Can I keep my radiators?
How long does replacement take?
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