18 Jul '12, 4pm

Geothermal Heat Pumps: The Best of the Best: Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) launched its ne...

Geothermal Heat Pumps: The Best of the Best: Waterfurnace Renewable Energy (TSX:WFI, OTC:WFIFF) launched its ne...

I looked at the technology behind these new heat pumps in the article Geothermal Heat Pumps: The Next Generation in May, soon after Climatemaster introduced the Trilogy. At the time, we only knew that Waterfurnace expected the 7 Series to be “more efficient” than the Trilogy. Now we have detailed specs, I thought I’d compare them head-to-head: As you can see from the chart above, Waterfurnace managed to nudge out Climatemaster in both cooling (EER) and heating (COP) efficiency ratings. Both are on linear scales, so the Series 7 is 2.5% more efficient at cooling and 6 percent more efficient for heating than the Trilogy. With top efficiency ratings, the Waterfurnace GHP will likely appeal to customers who must have “the best” of everything. Other Factors The efficiency of the GHP unit is only one factor in overall system efficiency, and efficiency is only one factor in the d...

Full article: http://www.renewableenergyworld.com/rea/news/article/2012...

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ninewest.com 19 Jul '12, 7pm

New Arrivals Back In Stock Editor's Picks Editorials As Seen On National Ad Campaign Campaign Videos Info Page The Point-T...

Hybrid Solar Heat and Power Systems On the Rise...

renewableenergyworld.com 18 Jul '12, 2pm

“Besides being more efficient than the traditional power grid and easier to build than conventional power stations, resCHP...

Green Building Q&A: water source heat pumps

greenbuildingadvisor.com 20 Jul '12, 11pm

Hello, I just bought a house with a 16 year old HVAC roof top unit that needs replacing. The heating unit .is a gas furnac...

Hybrid Solar Heat and Power Systems On the Rise

renewableenergyworld.com 18 Jul '12, 2pm

“Besides being more efficient than the traditional power grid and easier to build than conventional power stations, resCHP...

QWeekly - One of the best time of my life

QWeekly - One of the best time of my life

bongqiuqiu.blogspot.com 22 Jul '12, 5am

Good luck! Lolol! My friends and sisters all very erxin one!!! Once i posted a picture with them both on Instagram, a lot ...

In Parts of India, Wind Energy Proving Cheaper Than Coal

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renewableenergyworld.com 18 Jul '12, 2pm

“Today we’re able to supply energy below the cost of conventional power,” said Mahesh Kolli, president of Greenko, which i...

There's nothing "geothermal" about ground-sourc...

greenbuildingadvisor.com 24 Jul '12, 11am

Here's another rant that goes in my “drives me crazy” bin of articles. I'm in good company, too. Another article that ran ...

What is Geothermal Energy?

What is Geothermal Energy?

resnet.us 12 Jul '12, 6pm

A geyser spraying over 100 feet into the air is not just a fun sight on a summer vacation trip; it is also a natural exhib...

Perfectly priced pumps: High style at low price...

ninewest.com 19 Jul '12, 2pm

New Arrivals Back In Stock Editor's Picks Editorials As Seen On National Ad Campaign Campaign Videos Info Page The Point-T...

Ground source heat pumps aren't renewable energ...

greenbuildingadvisor.com 24 Jul '12, 7pm

Here's another rant that goes in my “drives me crazy” bin of articles. I'm in good company, too. Another article that ran ...

The Alternative Crowd: Unusual Renewable Energies

renewableenergyworld.com 17 Jul '12, 2pm

The ability to generate electricity from these alternative sources is critical for powering gadgets in remote places, like...

The Alternative Crowd: Unusual Renewable Energies

renewableenergyworld.com 17 Jul '12, 1pm

The ability to generate electricity from these alternative sources is critical for powering gadgets in remote places, like...

Green Building Q&A: heat pumps

greenbuildingadvisor.com 16 Jul '12, 10am

What is best or more cost effective, and most ennergy efficient? Direct earth contact or air circulation? Why? Where can I...

Plug Load Best Practices Guide | Path to Zero E...

newbuildings.org 19 Jul '12, 6pm

Plug Load Best Practices Guide (2.36 MB PDF) Publish Date: July, 2012 Plug loads can be managed through low- and no-cost m...

Renewable Energy and Climate Change - (blog)

renewableenergyworld.com 21 Jul '12, 8pm

Robert Rapier is an extremely senior journalist in the energy industry, and a very cool guy as well. When I got into this ...