Is the Dyson Hot space heater full of hot air?

I have to admit, the Dyson Hot space heater is a good looking heater, and it damn well better be at $400 a pop! We’ve covered electric space heating in exhaustive detail and even very expensive electric space heaters  (Edenpure) , and the complaint has always been that they are fine for heating … continue reading

Nest Thermostat from the iPod creator

I was actually driving home from work today lamenting the fact that there hasn’t been any products in the home energy conservation or clean energy market lately that have gotten me excited.  Then I saddled up to my computer and read a Fox news article on the Nest learning thermostat.

Nest was founded by Tony Fadell.  … continue reading

Home heating options

We’re finally able to open our windows in the evenings to stay cool, so I know home heating season is right around the corner! Traditional sources of heating homes rely heavily on fossil fuels: heating oil and natural gas. But there are other options!  We’ve covered many … continue reading

Solar Powered Air Conditioning

We’ve written many times on solar PV electricity, the most common form of homeowner solar.  We’ve also written about solar thermal hot water heating.  But another method for utilizing solar to reduce your energy bill is solar powered air conditioning!

Solar powered air conditioning works on the absorption cycle. From wikipedia on absorption refrigerator:

An … continue reading

Home Efficiency Tips from energyNOW and Alliance to Save Energy!

The following guest post is written by Silvio Marcacci, Director of Outreach for energyNOW!:
———-
If you’re reading this blog, chances are good you’re concerned about your impact on Earth and want to reduce your energy demand and carbon footprint. Here’s some good news: energy efficient upgrades are among the simplest ways to cut back on energy … continue reading

How does an air conditioner work?

For those of us who live in hot summer environments, the air conditioner is one of the biggest energy hogs in our home (and the reason I can live in the hot, humid South in the summer).  I live in Atlanta, and for the past month and a half it has been over 90° F … continue reading

Number 1 cheap, free, easy energy saving tip

When it comes to saving energy, most people don’t want to spend a lot of time or money on the subject.  Everyone wants an easy way out these days…well…lucky for you I’m giving it to you.  The number 1 cheap, free (if you have one already), and easy energy saving tip is: Install and Use … continue reading

OMG! Energy Secretary Steven Chu LOVES Mapawatt!

Alright, so maybe Secretary Chu doesn’t really love us (at least not yet), but he answered a question we sent in via Twitter to his Town Hall style chat, so that’s a start.  The purpose of the chat was to “…discuss President Obama’s Clean Energy and Innovation Agenda” and it can be seen on the … continue reading