Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate

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Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate

More stringent energy efficiency standards and the demand for higher efficiency are increasing the popularity of technologies such as mini-split heat pumps (MSHPs). The market for ductless heat pumps is growing 10–30% annually. The U....

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All-Electric is the Past and Future

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December 05, 2017

Since 1993 the Federal Energy Information Agency (EIA) has reported a non-stop, national growth trend in all-electric buildings, led by the Southern states at 44% of all their built homes (Figure 1). Why is all-electric growing when conventional ... [continue reading]

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Part 1: Evaluation of Mini-Split Heat Pumps as Supplemental and Full System Retrofits in a Hot-Humid Climate

premium CONTENT
November 30, 2017

More stringent energy efficiency standards and the demand for higher efficiency are increasing the popularity of technologies such as mini-split heat pumps (MSHPs). The market for ductless heat pumps is growing 10–30% annually. The U.... [continue reading]

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Heating Loads: Upstairs Versus Downstairs

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September 06, 2017

Some time ago, my colleagues and I at Taitem Engineering observed that two-story buildings with open staircases used significantly more heat downstairs than upstairs. We saw this in two buildings. This led to further investigation ... [continue reading]

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A/C in the Southeast

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March 01, 2014

Part 1: Challenges of Cooling in Hot-Humid Climates [continue reading]

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For HVAC Contractors, Home Performance Delivers a Year-Round Blast

Author: Leah Thayer
free CONTENT
September 25, 2012

Last December’s weather was no more extreme than the norm in Tulsa, Oklahoma, where temperatures can swing from above 100°F in summer to below zero in winter. Yet for Air Solutions Heating &... [continue reading]

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179 Henry Street

Author: Dan Rieber
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August 30, 2012

A Case Study in Converting from Two-Pipe Steam to Hydronic Heating [continue reading]

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Unusual Wood-Burning Insert Installation

Author: John Krigger
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November 07, 2010

Energy expert continues to learn from a deep energy retrofit of his Montana Home. This time he's installing a wood-burning stove to save money, add ambiance, and provide security during emergencies - like when runaway trains knock out a town's power. [continue reading]

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Monitoring Results for the Factor 9 Home

Author: Rob Dumont
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BPI CE
September 03, 2010

Canadian building scientists and a family of four set out to build a home that uses nine times less energy than the average - and half the water. [continue reading]

Cool—and Warm—Clothing

Jim Gunshinan

Cool—and Warm—Clothing

“Why do you need to cool and heat the whole building? Why don’t you cool and heat ...

Smarter Homebuilding: How to Best Incorporate Smart Tech Features

Eric Murrell

Smarter Homebuilding: How to Best Incorporate Smart Tech Features

The old way of integrating technology into a home could be a major headache. If a client doesn’t ...

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