For many around the world, keeping an apartment this warm in winter would be unaffordable, or at least not recommended in the light of climate challenges, but Jiang does not get heat from a ...

Is your electric water heater notoriously unreliable, providing hot water one minute and cold the next? It might be old, on ...

Wastewater flushed down the drain can be used to heat and cool homes and buildings in a sustainable way and climate experts say it's an untapped source of energy due to its stable temperature of ...