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If you’ve ever had to dive into the details of the green building and energy efficiency programs for homes,you’ve experienced the operational definition of the word ‘complexity,’along with a bit of ‘confusion,’too,I’m sure. I know I have. Unfortunately,the programs all just keep going further and further down that path. Continue reading Confusion &Complexity –Can Green Building Programs Be Simplified? I was checking some REM/Rate files for our HERS raters yesterday,mostly submitted forENERGY STAR homes. I’ve come to expectManual J heating and cooling load calculations submitted along with the files to be less than perfect. Mostly,I accept them because they’re close enough. Yesterday,though,I received a Manual J to go along with a file for an ENERGY STAR home that was beyond the pale. It was egregiously horrific. It was spectacularly sordid. It did come close to meeting the ENERGY STAR Version 2 requirements for Manual J (tight or semi-tight infiltration and correct design temperatures),but whoever put this one together was singularly devious in his efforts to justify the oversized air conditioning systems he wanted to install. Continue reading Oversized AC,Screwed-up Manual J,ENERGY STAR HVAC Tirade! May 12th,2011 | Category:Design,Energy Efficiency,energy star,HVAC,Indoor Air Quality,Thinking Green | 2 comments | A new home today is built to consume less energy than those of just a decade ago. Such a home is nearly airtight with controlled fresh-air ventilation for energy efficiency and improved indoor air quality. To heat and cool a home built for high performance,a professional builder can… Continue reading Heating and Cooling System Care January 29th,2010 | Tags:heating and cooling,HVAC,Maintenance | Category:Customer Service,Energy Efficiency,Home Inspection,Indoor Air Quality,Sustainability | Leave a comment | There is a direct connection between heat loss and heat gain as it relates to your home’s protective skin,also known as the building envelope. Ideally your home should maximize heat retention during the winter and minimize heat gain during the summer. The best energy efficient design Continue reading Indoor Air Quality and Balanced Air Flow September 13th,2009 | Category:Building Green,Green Living,Indoor Air Quality,Rescource Efficiency | Leave a comment | What is 2 to 1000 times greater inside than out,is impossible to see but at the same time has the potential to damage your eyes,can cause dizziness and nausea,and vaporizes at normal temperature and atmosphere? You guessed it…VOCs or volatile organic compounds. Many of us spend Continue reading Having a Bad Air Day? January 13th,2009 | Tags:green | Category:Indoor Air Quality,Water Savings/Efficiency | Leave a comment | |  Trades Topics Place Type
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