Official reports matter. That’s why the Rocky Mountain Institute (RMI) is taking to task the U.S.’s National Institute for Standards and Technology (NIST) which published a paper stating that all-electric systems are more carbon intensive and more costly than gas-fired systems in new buildings. The NIST paper assumed a high reliance on coal as the primary source for electricity generation in their Maryland case study. Those stats are out of date, … [Read more...]
Heat pumps vs boilers: renewables vs efficiency?
Heating and Cooling (H&C) is responsible for 50% of energy use in the EU and is still heavily dependent on fossil fuels. The opportunity to change your installed system won’t come up more than a couple of times before 2050 so the choice we make now has a large, lasting effect on the breakdown of the entire energy mix. H&C is the term used for the vast amounts of energy used to regulate the temperatures of the buildings we live and work … [Read more...]
Heat pumps: waiting for the final push
As gas faces a reputational challenge from Ukraine, electric heat pumps are emerging as a promising alternative source of heating. Heat pumps can also make an important contribution to reducing greenhouse gas emissions. Oddly enough, although heating and cooling accounts for 45% of the EU’s final energy consumption there is no EU-wide heating and cooling strategy. Some countries such as UK and Italy are introducing support for individual … [Read more...]
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