The analysis published in Energy and Buildings evaluates the performance of a 7 kW system using propane as a refrigerant.

(Reuters) -U.S. natural gas futures rose more than 2% on Wednesday, snapping a two-day losing streak, as hotter mid-July ...

The analysis showed that air-water heat pumps with and without a PV system, as well as the gas heating systems are the most cost-effective solutions among the 13 systems considered.

Meanwhile, daily natural gas consumption climbed to 98.2 Bcf from 94.2 Bcf the week before, driven by a rise in residential and commercial use and stronger power demand due to warmer spring ...

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