Pump efficiency (Equation 4) depends on plunger-stroke length, plunger-stroke speed, and power frequency. The equation describes the dependence of the number of plunger pumping cycles on motor ...

This was explained to me by the folks at Efficiency Maine Trust. They have a lot of experience with heat pumps because Maine has been doubling down on this energy-saving technology.

As the diamond mining industry continues to face growing challenges such as resource depletion, rising operational costs and ...

Key Takeaways Heat pumps run on electricity and furnaces run on fossil fuels, natural gas, propane, or oil.Our experts say there's no clear answer for which type is more energy efficient.Location ...

The OTTer-pump, developed by maritime technology supplier Royal IHC, which is present in the dredging, offshore, mining and defence industries, presents a versatile and efficient solution for ...

In general, heat pumps rated at 17 SEER2 and above are considered highly efficient, with the highest efficiency models rated at 22 SEER2. An HSPF2 rating of 8.2 to 10 is also considered a good choice.

Some cold climate heat pumps can be more than 100 percent efficient even in subzero temperatures. Accessibility statement Skip to main content. Democracy Dies in Darkness.

KSB Group has introduced size 150 of its newly developed Multitec Plus type series. Specially designed for transporting ...

“By rerating five pumps, energy efficiency increased from 72% to 83%, saving the operator 5,000 MWh in electricity every year.” There are effectively four steps involved in the process.

Efficiency Vermont also offers up to $10,000 cash back for upgrading your home's electric system, which may be necessary before you can take advantage of new equipment such as heat pumps and heat ...

Maine loses $15M for energy efficiency, heat pump loans The U.S. Environmental Protection Agency is canceling $20 billion nationwide in grants and other sources of funding authorized by the ...