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SwedenReal estate2026 – ongoing

Slättö

AI heat curve optimisation in residential buildings

Slättö cut heating energy 13% in an Uppsala apartment building with AI heat curve control, then made it standard across 12 assets

WorkingCompany's own claim

Problem

The heat curve of a building's heating system is usually set by hand and rarely adjusted, so energy is wasted without anyone noticing.

Approach

Slättö compared AI providers on ease of installation, fit for housing and scalability across its portfolio. It then ran a six-month pilot in a 137-apartment building in Uppsala, built in 2018. Temperature sensors went into the apartments, and the Swedish startup Nrlyze used the readings to adjust the heat curve in real time. After the pilot, the approach became standard across 12 residential assets.

Results

-13%heating energy use in the pilot building, reported by SlättöCompany's own claim[1]
30%+yield on cost, reported by SlättöCompany's own claim[1]
12residential assets where the approach is now standardCompany's own claim[1]

Takeaway

Slättö reported a yield on cost above 30% and made the heat controls standard across 12 residential assets. INREV reported the owner's figures without citing independent measurements.

Categories

Industry
Real estate
Business function
Production and quality
Innovation type
Process innovation
Evidence
Company's own claim

Sources

Source summaries

[1]INREV1 Sep 2026

INREV, the European non-listed real estate association, describes the Uppsala pilot with Nrlyze using apartment-level temperature sensors. It reports a 13% cut in heating energy, a yield on cost above 30% and no effect on tenant comfort, and says the method is now used across 12 residential assets.

Full details are in the original sources.

Added 25 Oct 2026 · Updated 25 Oct 2026
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