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boiler efficiency

natural gas savings

Natural Gas Savings II – I will Huff(!) aanndd Puff(!) and Not Blowdown!

By Energy Rant No Comments
Two weeks ago, in Natural Gas Savings – Traps and H Vacs we looked at some basic natural-gas-saving measures. The post was wildly popular, and I had a good time, so let’s do it again! We compared some aspects of natural gas end-uses and waste that compare to compressed air. For example, we looked at steam traps versus compressed air leaks. Similarly, there are a lot of things that can be done with steam supply sources v compressed air sources, both including controls and other things. Minerals Tap water typically has a lot of dissolved minerals, including calcium, magnesium, and...
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EE Ignorance

By Energy Efficiency, Energy Rant, Sustainability No Comments
A few years ago I was on a marketing visit to a hospital for non-energy related services and of course I had to work energy efficiency into the conversation.  “So, have you done any energy efficiency upgrades in recent years?”  “Yes we replaced windows in the old section of the facility and installed new boilers.  We’re all set with energy efficiency.” Palm, meet forehead. I could be a lousy salesman but that conversation ended with a pregnant pause.  This was a hospital, probably the most energy intensive type of commercial facility there is, and replacing windows might reduce consumption by...
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