Table of Contents
Making a Dump Load with a Hot Water Tank Heater
September 18, 2015
Can a standard off-the-shelf tank style electric hot water heater can make a dump load? Electric tank water heaters are an excellent choice to make a dump load for your solar, wind or micro hydro power system as they are easy to get, cheap, already insulated and have holes to mount low voltage water heating […]
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Making a Solar Electric Water Heater | Can it Be Done?
April 1, 2015
As the price of photovoltaic modules (solar modules, solar panels) continues to drop there are many discussions about using solar electric modules to heat water. No more leaks, messy and complicated plumbing, heat exchangers, controllers to fail, pumps to maintain and fluids to freeze. Solar hot water has been plagued with leaks, freezing (or poisonous […]
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The Best Choices for Heating Your Solar Home | And The Worst!
March 17, 2015
The largest energy consumer of any home-built in the northern hemisphere is the heating system. Designing the correct heating system is critical in the success of the off grid home. Build it wrong and nothing else will matter. Almost all heating systems require some form of electricity to operate whether it for the fans (oil, […]
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The Best Off Grid Heating System
March 14, 2015
The greatest advance in home heating in the past few decades has to be the Open Direct System invented by Radiantec. The Open Direct System uses a highly efficient condensing tank-style water heater that provides both radiant space heating and domestic hot water all in one unit cutting electricity requirements for those of us living […]
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Dump Loads for Solar, Wind and Microhydro
May 2, 2013
Dump loads a.k.a. diversion loads are are an important part of the off grid electric system. Almost all wind and water turbine installations will require them and most solar installations can benefit from a dump load. As we discussed in the dump load intro, a dump load is simply an electrical device (load) to send […]
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Add a Diversion Load to a SkyStream
April 18, 2013
There are a few methods to add a diversion load to your Skystream. The best methods are shown below (option #1 or option #2) but it assumes you either have a charge controller/ inverter with a programmable relay driver/output or you will purchase a diversion controller. Outback Power, Schneider Electric and Magnum Energy. Midnite Solar, […]
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Dump Load / Diversion Load Intro
April 16, 2013
Since there is a lot of confusion about diversion loads, we will discuss what they are and why they are used. A dump load is nothing more than a resistor (heating element) that is used for dumping electricity when it is not needed or to prevent your battery bank from being overcharged. It could be […]
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Using an Electric Heater as a Dump Load
April 12, 2013
A common question I get asked is “Can I use a standard 120/240 AC heating element or hot water heater element as a DC dump load for my wind turbine/water turbine/solar system?” (Wondering what a dump load is? Click here) (More advanced diversion load info for solar, wind and water power) The answer is yes […]
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Circulating Pumps for the Off Grid Home
March 16, 2013
It is almost inevitable you will need at least one circulating pump for your off the grid homestead. Whether it is for radiant home heating, keeping fish alive in a aquaponic or aquaculture system or making a home-made air conditioning system, circulating pumps are very important. If you go to your local hardware store and […]
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How to Choose a Gas Tankless Water Heater
March 13, 2013
A tankless gas hot water heater might be a good choice for your off the grid home. If you are not familiar with the tankless hot water heater they are a box shaped unit that heats water instantaneously as water passes through it rather than heating water slowly and storing it in a large tank. […]
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Hot Water Heating Systems
March 11, 2013
Domestic hot water will account for about 30% of your home’s energy footprint. Only a few decades ago there were very limited options for the off grid home’s water heating system. Back then the only options were a gas hot water heater, some form of wood boiler or the often high maintenance solar hot water […]
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Ivan Labs El SID DC Circulating Pumps
March 4, 2013
The Ivan Labs El SID circulating pumps have been the best choice for solar hot water and radiant heat for the past few decades. For solar hot water they are used to pump water from the solar collector(s) to the heat exchanger and from the heat exchanger to the hot water tank/heater. In a radiant […]
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Using Your Wood Stove to Heat Water
March 1, 2013
One of the most overlooked functions of a wood stove is heating water. A few decades ago many wood stoves (especially cook stoves) used what was a called a hot water front in conjunction with a tank (range boiler) beside/behind the wood stove to produce endless hot water. The hot water front (which is nothing […]
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