Are some of your bedrooms too hot or too cold? This is a common problem in new homes. Often the master bedroom will be fine, but the other rooms get too cold or too hot during the night. The culprit is not necessarily your Heating and Air Conditioning unit. The culprit is the closed door.

Your guests won’t tell you if you have a problem. They’re too polite. Your kids probably have their door open when they are small and don’t have a problem.  Your teenagers probably don’t talk to you much anyway. How can you know if there’s a problem? It’s a good idea to spend a night in each of the other bedrooms in your house, particularly the guest room, if you have one, to see how the temperature goes with the door closed for eight hours. And do this on a cold night and a hot night. You might be surprised at what you find. (more…)

It’s freezing cold across much of the United States. Are you wearing passive solar clothes to stay warm?

I know it sounds like an odd question. We tend to think of using solar design for houses, not clothes. I’ll explain.

If you know it’s a cold day, do you think about what you’re going to wear? Of course you do. You might wear several layers. The layering forms more tiny air spaces around you and increases the insulating effectiveness of your clothing. You might pick out dark colors. Even if you don’t think of this as “passive solar dressing,” it is. dark colors absorb the radiant energy from the sun better than light colors. I’m sure when you’re outside on a cold, but sunny day, you walk on the sunny side of the street to stay warmer than you’d be on the shaded side. Ah! Passive solar principles, again. It’s nothing more than proper insulation and receiving the free energy benefit from the sun. (more…)

When you get dressed in the morning, do you consider passive solar design principles? Probably not. At least not conciously. But I’ll bet you consider the weather as you choose what to wear? I do. If it’s going to be hot and sunny, I usually choose a light colored shirt that is made from a fabric that breathes.  Experience tells me to avoid black because it will soak up the sun’s heat and avoid a tightly woven fabric because it will trap air next to my skin and make me feel hotter. This is a principle of passive solar design that we use without even labeling it or thinking about it. And you can use these principles in your house design.

Metal roofs, now often referred to as “cool roofs,” can act like your light colored, open weave shirt and keep your house cooler in hot weather. They do this “passively”, that is they use no electricity in the process. Here’s why they work. In an article posted at Classic Metal Roofing Systems website, they list four energy benefits you’ll get with a metal roof. (more…)

Today, we awoke to a freak snowstorm here in Raleigh, North Carolina. I say “freak” because any snow is a rare occurrence in this part of the country. Snow in January is a novel concept in the southeast. Everything, and I mean everything was closed. We were crippled by Mother Nature.

When the flakes stopped falling, we had about six inches of nice, clean snow on the ground. I put on my tennis shoes (I don’t have boots anymore since I moved south) and found my gloves (they were in my golf bag where I left them following a chillier than usual round a few weeks ago) and set out to clear the snow. I don’t use a snow shovel any more. I’m not sure I still have one. I use my leaf blower, instead. It works surprisingly well. It fluffs up the snow and blows it away almost without a trace. I cleared my sizeable driveway in a little over an hour. The best part is my back doesn’t hurt!

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The birth of “Building Green” arguably happened in Austin, Texas in the 1970’s. There’s a good article in Ecohome about Austin’s sustainable building program and their continuing progress. But the trigger for Austin may not have been what you might have guessed. Here is the first paragraph of the article by Jeffery Lee:

Austin, Texas – the state capital and home to the University of Texas – has long been known as a liberal bastion in a conservative state, and the city’s residents are renowned for their environmental consciousness. But it wasn’t the community’s mind-set that led to the establishment of the nation’s first comprehensive green building program; it was a nuclear power plant. (more…)

    Passive solar design, green and sustainable building are not new inventions. Who would have thought that we would be returning to the house design principles of more than a century and a half ago?

    I was in San Diego recently and visited the part of town they call Old Town San Diego. I don’t think the buildings are the actual original structures, but they are reproductions that are authentic to the mid 1800′s. One house La Casa de Estudillo, is built in the Spanish Colonial style of the early California settlers. You can see from the photographs that it is built in a “U” shape with a covered veranda wrapping the inside of the “U”. In the center is an outdoor space that is planted and has a water feature in the center. (more…)

    Yikes! It’s nearly 100 degrees here in North Carolina and the humidity nearly matches it. It was still over 90 degrees at dinnertime! I, for one, don’t find solar energy all that welcome this time of year. Maybe if I was generating electricity from it I would feel differently. But the solar energy I’m talking about makes me roast whenever I step out of the shade and it makes my attic a veritable furnace. But, I’ve found a building product that comes to the rescue. (more…)

      Sustainable building materials are more and more available these days. “Sustainable” means the materials are manufactured in environmentally responsible ways. They may be made from recycled materials, such as tile or wallboard. (more…)

      An energy management system can reduce your electric bill and help reduce energy demand at peak times. This system monitors and controls what equipment can come on during certain hours of the day. It may block an electric water heater from starting until an air conditioner that is already running has completed its cycle. (more…)

      When it comes to “building green,” There are other energy-saving measures that can occur behind the scenes. Proper insulation, including draft blocking to prevent convective loops of cold or warm air within walls and ceilings will reduce heat loss in winter and heat gain in summer. (more…)