A new Stanford-led study on natural gas leak rates from oil and gas activity across a large fraction of the US are about 3x more than previous government estimates. The…
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US gas leaks much larger than previously estimated
Heat pumps & hybrid systems in cold climates
A study found that hybrid systems combining heat pumps with furnaces are more economical than using heat pumps alone in colder climates.
Does your heat pump bill savings estimate account for rate structures?
Most online calculators that estimate utility bill impacts of heat pumps are highly misleading because they ignore time-of-use and tiered electric and gas rates. Accurate calculations must consider when heat…