Rigid Foam Insulation Pros and Cons
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How to Choose Non-Solar Windows
A good passive solar home design maintains a balance between solar and non-solar windows. Solar windows are those which face the sun, on the side of the house pointing true south; non-solar windows are those on the other sides.
Using Thermal Mass in Passive Solar
Thermal mass is everything inside a home that absorbs, retains and later emits heat, effectively providing free heating. Like most things in home construction, there are many different approaches to its use.
Passive Solar Log Homes
Let's step away from the "white picket fence" ideal of home design for a moment to consider one of the other extremes: log cabins. Some people say log homes and cabins are extremely efficient, while others claim that they cannot compare with the advantages of modern technology. So which is true?
As with most "which is better?" questions, the answer lies somewhere in the middle ground.
How Much Thermal Mass Should I Install?
At first glance, you might think that it's impossible to have too much or too little thermal mass. After all, if there's loads of it, your home will store more heat; if there's very little, you'll still get the benefits of what you do have.
But it's not as simple as that.
Room Layout for Passive Solar Homes
In an ideal passive solar world, homes would be built as a long string of single rooms, so that every room would be heated by the sun and there would be no need to transport warmth from warmer to cooler rooms. In practical terms, long houses are rarely appropriate: traffic flow inside such buildings is often difficult and housing lots in towns and cities tend to be square or rectangular, rather than extended oblongs.
Natural Alternatives to Manufactured Insulation
The mainstays of modern home insulation are fiberglass, rigid foam and cellulose. But there are natural alternatives to these which are worth considering, especially if you're going for super-green construction!
What are Earth Berming and Earth Sheltering?
One unusual feature of many passive solar homes is that they are partially buried. Given the natural human dislike of living underground, this often strikes people as a "caveman" approach to efficient living but, in reality, it is an efficient means of conserving potentially enormous amounts of energy. And no, living in a home that uses earth berming or earth sheltering is not like living in a cave!
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