Short read. This is a ~300-word brief based on the full analysis at Househeating Pulse. For the interactive charts, brand-level data, and source tables, open the original.
Belgium’s 2026 heat-pump catalog still looks more like an R32 market than a propane market: the EPREL-based snapshot shows 13,935 R32 listings versus only 537 R290 listings, a spread of 26:1 and 21.97 percentage points in share. For a sector that is often described as rapidly moving to natural refrigerants, that gap is the clearest signal in the data.
The underlying sample is broad — 60,989 models from 777 manufacturers — but the refrigerant mix is highly concentrated. R32 alone makes up 22.85% of all listed models, while R290 is just 0.88%. If you include older HFC labels, the pattern is even clearer: the declared-code universe is still dominated by legacy chemistry, with only 3.27% natural refrigerants overall. The canonical breakdown is here: https://househeating-pulse.com/articles/belgium-2026-heat-pump-brand-share-r290-r32
For developers and data engineers, the main caveat is reproducibility. This analysis is built from the EPREL Public API snapshot used in Househeating Pulse’s market_index_snapshot, plus the declared refrigerant universe and brand-share aggregation. It does not include a Belgium-only manufacturer-by-refrigerant cube, so the country signal is inferred from the indexed market snapshot rather than from a dedicated Belgium cut. That means the refrigerant counts are solid, but a brand-level Belgium leaderboard would require a country-filtered join that is not present in the supplied corpus.
The brand concentration matters. The top five manufacturers — Daikin Europe N.V. (24.05%), Mitsubishi Electric Europe B.V. (9.14%), Johnson Controls Hitachi (8.54%), Bosch Thermotechnik (5.91%), and Ariston (4.29%) — account for 51.93% of all listings. In other words, Belgium’s slower R290 transition is being held back less by fringe vendors than by a small set of large portfolios.
For the full dataset, methodology notes, and live tables, read the full analysis with live data: https://househeating-pulse.com/articles/belgium-2026-heat-pump-brand-share-r290-r32
Househeating Pulse aggregates 60,000+ EPREL-registered heat-pump models across Europe — efficiency rankings, refrigerant trends, country-level installed prices and subsidies. Data from EPREL, Eurostat, NASA POWER. Full analysis at https://househeating-pulse.com/articles/belgium-2026-heat-pump-brand-share-r290-r32.
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