Description
Hot water storage tank market Germany: sales in thousand units and forecast to 2031
How is the hot water storage tank market in Germany developing? For every quarter from Q1/2021 to Q4/2031 the dataset provides domestic sales of hot water and buffer tanks in thousand units – as historical market data and forecast.
These tanks generate no heat: they store it from the heat generator and release it later as hot water or heating water. Covered are indirectly heated cylinders with coil heat exchangers, buffer tanks, combination, stratified and hygiene tanks, and solar cylinders in heating systems. Electric water heaters, under-sink units, hot water heat pumps, tanks built into heat pump indoor units and large stores in heating networks are excluded.
A gas condensing boiler often heats water instantaneously and needs no cylinder, whereas a heat pump almost always needs one, often plus a buffer tank against cycling, for defrosting and during power lock-out periods; wood boilers also need a buffer. Each switch to a heat pump therefore raises tanks per installation. PV self-consumption and dynamic tariffs reinforce this, compact units dampen it, and solar cylinders decline. After a pull-forward effect around the German Buildings Energy Act (GEG), then a slump, sales are rising with the heat pump ramp-up.
Which questions about the hot water storage tank market does the dataset answer?
- How sharply did tank sales fall after the pull-forward effect, and how do they recover to 2031?
- How many tanks go into renovation and how many into new build, and how does the ratio shift?
- What share of tank sales falls on non-residential buildings?
- How does quarterly tank demand compare with your own capacity planning?
Who is the dataset for?
Tank makers and suppliers of heat exchangers and fresh water stations plan output. Wholesalers and installers schedule stock and fitting capacity; heat pump suppliers and analysts assess the system business around the heating transition.
Data basis and methodology
Results split new build/renovation by residential and non-residential, plus the total. The model builds on completions, permits and modernisation activity, using buildings per area, the heating replacement rate and average tanks per heat pump or fossil heat generator. The model was cross-checked against available market and industry data as well as internal data.
Delivered as CSV and Excel files, each in German and English, with 44 quarterly values. Related datasets: Heat pump air-water (monoblock), Heat pump geothermal (brine-water / water-water), Solar thermal collector and all data on heating, ventilation, air conditioning and energy.
