Are LEDs affordable / Guides

LED filament bulbs

All about LED filament bulbs

...ared to 50 to 100 hours for incandescent) Average energy consumption: between 2 and 10 watts (compared to 60 - 100 watts with incandescent) Are LEDs affordable? According to a study by the Swedish Energy Agency in November 2014, LED filament bulbs cost on average 20% more than conventional LED bulbs, but are 40...

Dual axis solar tracker
Solar photovoltaic

Choosing between solar trackers and fixed solar panels mounts

...are intending to convert (such as installing heat pumps to replace those that use fossil fuels). Replace any incandescent bulbs with LEDs. Now you are ready to size a system that will meet your demand at the most affordable price. To be factored when determining the size and location of a panel array: Avera...

Off-grid leed home
Off-grid and Net-Zero Housing

Off-grid living blog post 5: appliances, mechanical and other systems

...are made at such a small scale and are in such small demand, that they are quite expensive and do not perform incredibly well. Thankfully, an off-grid house today can maintain essentially all the comforts of on-grid living, as long as one is careful about making choices. Two trends have allowed this to happen. First,...