"Sounds like your "BPI" Contractor installed a dust barrier not a vapor barrier. The barrier needs to be completely sealed with 9 - 12 inch overlaps, on the sheets. The idea is to prevent moisture from passing upward into the house and…"
"I hate using "perfect storm" analogies so I will anyway - it is a perfect storm - more people are trained and ready to do something to save energy but the credit market that fueled house construction and rehabs has dried up, more people…"
"I've been in the energy efficiency field since 1978 and have spent thousands of hours training folks. Up until a couple years ago there were only a handful of energy instructors around most of us have survived every uptick and downturn in the…"
"I've never found any studies that say that duct cleaning has been shown to save energy or improve health or provide any benefit. Cleaning and servicing the blower fan will save energy, cleaning the ducts as an energy measure won't. If it…"
"How about designing a MF program in which tenants in master-metered units get a rebate from the owner/landlord based on how much they save the building, as a condition of the energy assistance program? That would provide an incentive for everyone…"
For too long there has been relatively little EE focus on multifamily, but some new programs have recently started. This group gives us a venue to share our experiences on cost effective audit & retrofit strategies and analysis tool needs.See More
"George, you'd have to talk to a Pentair rep. A Pentair rep checked out the pool I was dealing with. I'm not sure what tests he did as I wasn't there the day he showed up, but he found out that the drain return was mostly clogged and…"
"A couple reasons - first, the Pentair dealer/installer wouldn't install it the way it was as it would work right. He said that older pools (installed in 1976) aren't plumbed properly for the variable speed systems. More flow at lower…"
"CFLs and LEDs need to go back to the old days of having a replaceable lamp and a separate ballast. When we first started installing the ol' PL lamps, the ballast was a separate component and when the lamp burned out it was replaced. The current…"
"Before you suggest to a client to spend real money a really expensive measure that you have to guessimate actual water use or use expert information (ASHRAE or ASPE manuals) you might want to put a flow meter on the hot water side and measure actual…"
"Thanks for posting that. If these were such great energy savings devices they'd be installed on the products we buy - refrigerators would come with them. Utilities would be providing them or rebating them. They'd even be available in…"
"There are a lot of things about windows that need to be considered before you replace them. If you are looking for a quick payback, immediate savings, you won't get it with windows. Paybacks are on the order of 20 - 30 years (depending on costs…"
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