

Spotlight Article:
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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Masonry Heaters are Massively Comfy
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You enter the house on a winter’s evening, remove your wet boots and coat. In your living room, there are a few pieces of split, dry firewood, ready to burn. You open the ... [continue reading]

All-Electric is the Past and Future
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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]

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

Heating Loads: Upstairs Versus Downstairs
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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]

A/C in the Southeast
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Part 1: Challenges of Cooling in Hot-Humid Climates [continue reading]

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

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

Unusual Wood-Burning Insert Installation
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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]



Leslie Jackson
The Silver Bullet to Zero Energy Affordability, by Paul Springer
Hint: It’s not solar or storage...


Carol Harley, E4 the Future
Look for Us and Win: Faces of EE
Getting ready for HPC18? Plan to stop by the Faces of EE photo booth on April 24 to receive a FREE ...


