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Homeowners

Correcting a wrongly sized heat pump

Client: Homeowners
Services: New study, modification, extension
Key figure: 14 hp → 8 hp · 12 hp → 18 hp

The problem

Some homeowners come to us after a study that was wrong from the start, either oversized or undersized. One had a 14 hp heat pump that used an enormous amount of energy, when 8 hp would have been enough. A château had 12 hp when it needed 18.

What we did

A new, honest study to see what can be changed
A larger hot water cylinder, or a change in the pump's power
Targeted changes, without tearing everything out

The project in detail

How the job went

The context

Some homeowners come to us after a study that was wrong from the start, either too big or too small. The two mistakes look different but both cost money: an oversized heat pump consumes far more than it should, month after month, and an undersized one never reaches the right temperature and keeps breaking down. One owner had a 14 hp heat pump that used an enormous amount of energy, when 8 hp would have been enough. A château had 12 hp when it needed 18. In both cases the installation ran, but not the way it should have.

Our work

We do not tear everything out. We start with a new, honest study, to see what can be changed and what is fine as it stands. Sometimes the answer is a larger hot water cylinder; sometimes it is a change in the pump's power, up or down; and often it is a series of targeted changes, each one chosen because the study shows it is needed. This is what we call extensions and modifications: working with what is already there, even when the first installation was done by someone else, and even when the system is very old. The goal is to give each building the power it actually needs, not the power someone once assumed.

The result

Each installation now gets the power it needs without starting from scratch, and that is the part owners often do not expect: correcting a wrong study does not mean paying for a whole new system. The advice we draw from it is the one we give before every project: invest in a proper survey. A good study costs a little at the start, and a bad one costs every month afterwards. If you have been told your system must be replaced, or if its energy bills do not make sense, a second opinion is worth having. Compare studies before you decide, and decide on what they say, not only on the price.

What changed

Each installation gets the power it actually needs, without starting from scratch. This is what we call extensions and modifications.

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