Les gives advice focused on practical energy efficiency solutions. He's standing by to answer YOUR questions. If you're interested in practical energy efficiency advice and solid alternative energy solutions send in your energy questions and we'll post some of them right here.

RECENT QUESTIONS & ANSWERS:        

QUESTION:
What is the most efficient cooling system (AC) for a two story home? Can hydronic radiant systems be used for cooling?

ANSWER: Depends on geographic location, size, construction. http://eetd.lbl.gov/newsletter/cbs_nl/NL4/RadiantCooling.html http://www.toolbase.org/tertiaryT.asp?DocumentID=2097&CategoryID=1435

QUESTION: Can a heater exchanger be used in reverse as a cooling energy source?

ANSWER: Research is taking place on this possibility. Info available at: http://www.eere.energy.gov/buildings/research/hvac/index.cfm

QUESTION: How high do the air conditioning SER ratings go?

ANSWER: 18. For SEER Values and cost savings info is available at: http://www.alpinehomeair.com/AC-choosingefficiency.cfm

QUESTION: What new solar product are available for builing integrated products. I am considering using a solar shingle or slate, is there any thing better?

ANSWER: Solar shingles look good but you pay more for reduced efficiency. Look into Roof Venting systems.

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