dehumidifier

Coping With a Wrong-Sized AC System

Posted on March 31,2015 by ScottG in air conditioning

Florida is not the kind of place where you'd want to be without air conditioning for very long, so when Chris Marriner's old system died last spring, he didn't waste much time in replacing it. But what should have been a ticket to indoor comfort hasn't exactly worked out that way. Marriner's HVAC technician decided to replace the 4-ton system with one of the same capacity, even though Marriner knew that because of improvements to the building envelope the new system probably would be oversized for the 2200-square-foot home. The tech told Marriner the system could be "tuned."

All About Dehumidifiers

Posted on March 31,2015 by user-756436 in dampness

An energy-efficient home in a hot, humid climate should have a tight envelope, thick insulation, energy-efficient appliances, and low-solar-gain windows. If you include these features in a new home, your air conditioner won’t run as often as your neighbor’s. That’s good. But there is a downside to the fact that your air conditioner runs rarely: during the hours that your house has no active cooling, it also has no active dehumidification. As a result, your indoor relative humidity is going to rise.

Climate-Specific Air Conditioners

Posted on March 31,2015 by user-756436 in air conditioner

If you live in a humid climate (for example, in Florida), you need an air conditioner that does a good job of dehumidification. But if you live in a dry climate (for example, in Nevada), dehumidification is almost irrelevant, because the outdoor air is so dry. In Nevada, all you need is an air conditioner that lowers the temperature of the air in an energy-efficient way.

The Tail-Wagging Labradors of RESNET

Posted on March 31,2015 by ab3 in ACCA

Labradors? James Brown? What do either of those have to do with the RESNET conference?! Be patient, my friend. All will be revealed shortly. The 2013 conference sponsored by the Residential Energy Services Network (RESNET) in Orlando a few weeks ago was fantastic. It and Building Science Summer Camp are my two favorite events of the year, and this year RESNET was better than ever.

The Difference Between Air Conditioners and Dehumidifiers

Posted on March 31,2015 by user-1048334 in air conditioner

There’s a great Patton Oswalt bit where he contemplates meeting George Lucas in 1996 (gotta love the oblique intros). After slobbering over the original Star Wars trilogy and just about suffering an aneurysm over a possible new trilogy, his enthusiasm tapers off dramatically. He finds out what the new movies will be about, namely all the background filler behind his favorite characters and moments — which he hasn’t the palest interest in. To paraphrase, we don't care where the stuff we love comes from; we just love them.

The Pros and Cons of Running a Dehumidifier

Posted on March 31,2015 by ScottG in dehumidification

Superinsulation is the most effective weapon we have against wintertime heat losses. R-values of 60 or more in the roof and 40 in exterior walls can slow the movement of heat to a crawl, keeping energy costs far below what they’d be in a conventionally built house. Yet Harry Seidel puts his finger on a potential problem. During the summer, any heat generated inside the house will have just as much trouble getting out of the house.

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