• April 18, 2026

Keyword: multi-family buildings

Concrete slabs store thermal energy and heat homes

Many building owners consider roof-integrated solar systems to be a tried-and-true way of saving as much on their heating bills as they can. A research project called solSPONGEhigh and developed […]

Sun provides 70 % of hot water in blocks of

More than 3,500 solar water heating systems have been in operation at blocks of flats across Brazil’s ‘solar city’ Belo Horizonte. This figure, an estimate by organisations which were previously […]

Switzerland: Strong Heat Pump and PV Competition

There couldn’t be a starker contrast between the market development of two renewable heat segments: Whereas Swiss heat pump sales remained at around 18,400 units per year from 2014 to […]

Israel: Winter Hail Storm Boosts Replacement Rate

Last year, the Israeli market saw a significant increase in newly installed glazed collector area, showing a total of 428,750 m² or a 9 % increase compared to the previous […]

France: Industry Does Not Yet Surrender

The one-day workshop of the French solar sector to discuss the General State of Solar Heat in 2015 (États Généraux de la Chaleur Solaire 2015) took place in Nantes on […]