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By Chad Edmondson
A geothermal system installation at the ASHRAE headquarters in Atlanta, GA continues to bear out the efficiency merits of the technology – and ASHRAE is documenting all the details. JMP was thrilled to be a part of this project and helped the mechanical engineering firm, Johnson, Spellman & Associates, Inc., select both the geothermal heat pumps as well as Bell & Gossett inline circulating pumps.
Read More“Do I really need a hydro-pneumatic tank on my variable speed pressure booster?”
It’s a question many engineers will ask, particularly after ASHRAE 90.1 – 2010 takes effect in commercial building codes as early as October of this year. As we discussed in an earlier blog on variable speed pressure boosting, the new ASHRAE standard no longer permits pressure reducing devices to reduce the pressure of water supplied by booster system pumps. This essentially puts an end to constant speed pressure boosting, which brings variable speed to the forefront. But since the whole point of variable speed pumping is to more accurately align demand with supply, why would hydro-pneumatic tank still be required?
Is Geothermal REALLY one of the most energy efficient space conditioning systems?
“Absolutely,” said Chris Edmondson, CEO of JMP and ASHRAE Distinguished Lecturer. Chris frequently lectures to engineers on topics relating to energy savings, including renewable energies like geothermal heat pumps.
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