fan

High-Tech Ceiling Fans for Low-Tech Cooling

Posted on March 28,2015 by AlexWilson in Ceiling fan

Winter has barely ended in Vermont, but as I write this the forecast is for 82 degrees tomorrow. This makes me think about strategies for keeping cool in the months ahead. I’m looking forward to trying out the high-tech ceiling fans we installed in our two upstairs bedrooms. I’ll get to those fans in a minute, but first I’ll explain why I like ceiling fans so much.

How to Buy an Energy-Efficient Ceiling Fan

Posted on March 28,2015 by ab3 in air flow

A little over a decade ago when I was building a house and buying a bunch of ceiling fans, it wasn't so easy to figure out which fans were energy efficient and which weren't. That's not the case anymore because every ceiling fan now has a label on the package that tells you how much air movement you can expect for each watt of electricity you put into the fan.

Is There an Alternative to a Heat-Recovery Ventilator?

Posted on March 28,2015 by ScottG in energy-recovery ventilator

The tighter the house, the more it needs mechanical ventilation. That's become a rule of thumb for energy-efficient builders, and designers often turn to heat-recovery ventilators to get the job done. These relatively simple (but not necessarily cheap) devices use the temperature of outgoing air to moderate the temperature of incoming air, thus lowering the energy penalty for providing fresh air to the whole house.

Keeping Cool

Posted on March 28,2015 by AlexWilson in Ceiling fan

Welcome to summer. Burlington, Vermont hit a record 97°F the other day, and my place in West Dummerston reached 93°, with high humidity. What’s the best way to stay comfortable in weather like this — assuming that you’re not using mechanical air conditioning? First, it’s important to understand that the goal isn’t really about temperature; it’s about comfort. Some very simple strategies can help you remain comfortable even with high air temperatures.

Resilient Design: Natural Cooling

Posted on March 28,2015 by AlexWilson in AC

Over the past month and a half, my blogs been focusing on resilient design — which will become all the more important in this age of climate change. Achieving resilience in homes not only involves keeping them comfortable in the winter months through lots of insulation and some passive solar gain (which I've covered in the previous two blogs), it also involves keeping them from getting too hot in the summer months if we lose power and our air conditioning systems stop working.

European Products for Building Tight Homes

Posted on March 28,2015 by user-756436 in air sealing

A new distributor of building products from Europe has set up shop in Brooklyn, New York. The company, called Four Seven Five, was recently founded by a trio of Passivhaus consultants: Floris Keverling Buisman, Sam McAfee, and Ken Levenson. Four Seven Five plans to import air-sealing products and ventilation fans from Germany, as well as HVAC equipment from Denmark.

Using Ceiling Fans To Keep Cool Without AC

Posted on March 28,2015 by user-756436 in AC

When I was a young backpacker traveling through India, Sri Lanka, and Thailand in the 1970s, I couldn’t afford air-conditioned hotels or restaurants. In these tropical conditions, I became quite accustomed to the benefits of Casablanca-style fans.

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