A municipal complex gets GeoExchange® via a pond

CaliforniaGeo 8-3-17 Worn out infrastructure? Struggling with an HVAC system composed of various technologies of ages up to 25 years in their main municipal headquarters building, the City of Fort Collins, Colorado installed a complete geothermal heat pump retrofit.  The new system will provide a carbonless heating and  efficient cooling system for over twice that […]

Carbon auctions ruled legal in California

State Supreme Court says auction of carbon credits is constitutional Sacramento Bee 6-29-17 BY DALE KASLER dkasler@sacbee.com Californians pay more for gasoline and other goods to finance the state’s war on climate change. The state Supreme Court decided Wednesday they’ll continue paying for at least three more years. The court declined to hear a lawsuit […]

The ideal learning package for green and/or sustainable knowledge

CaliforniaGeo 6-25-17 Short-term learning has exploded in the last 25 years.  Conferences still exist, but tighter budgets for business related learning and renewal has been met with targeted seminars.  It’s get in, get it, and get out.  It’s like E. Scrooge meets Cliff Notes.  Seminars have been joined by the Internet-based webinar.  Distance, overnight stays […]

An authoritative study answers a critical question

CaliforniaGeo 6-20-17 [This study was conducted by Oklahoma State University’s Jeffrey Spitler and Laura Southard.  Data processing was overseen by Xiaobing Liu of Oak Ridge National Laboratory.] A major retrofit project to the U.S. headquarters building in Atlanta, GA for the American Society of Heating and Refrigeration Engineers was envisioned as a “split system” but […]

Wanna forget your underground heat exchanger??

An Important “Proof-of-Concept” Project in Valley Stream NY taps flow from a water main for thermal exchange CaliforniaGeo 6-14-17 [This important HVAC retrofit at the William L. Buck Elementary School in Nassau County took on the first-cost issue of needing a ground heat exchanger for geo heat pumps head-on. Bosch Thermotechnology Corp.’s Business Development Manager […]

A Leading State Plans for Progress

 (and it’s not California) CaliforniaGeo 6-12-17 [On April 19-20, 2017, the New York Geothermal Energy Organization held a conference in Albany, the state’s capital.  It was titled “Helping New York Meet Its Greenhouse Gas (GHG) Goals.”  This state has built momentum that few others can claim.] Final attendance figures have not been published, but the […]

Heat Pump History

Heat Pump History by Bill Holladay From Engineering & Science Monthly (October, 1948) Take a look at mechanical history! We celebrate GHPs (geothermal heat pumps) as the most efficient thermal transfer equipment known.  But the grandfathers of GHPs go back to primitive compressor experiments prior to 1900 by VonRittenger.  In this Engineering & Science Monthly […]

De-bunking Myths About Geothermal HVAC

CaliforniaGeo 4-13–17 [On November 21, 2014, Don Penn, President of Image Engineering Group in Grapevine, TX made a presentation to the annual conference of the International Ground Source Heat Pump Association (IGSHPA) regarding 10 myths held by the public regarding geothermal heat pumps.  This blog entry deals with a selection of five of those 10.] […]

A Letter to the Editor on Energy Policy

Letter to the Editor Sacramento Bee 3-20-17 “Don’t slash the EPA’s budget What if ISIS was responsible for the flooding that damaged or destroyed 40,000 homes in Louisiana in 2016? What if al-Qaida was responsible for the California foothills forest fires that destroyed thousands of homes over the last several years? What if Russia was […]

Diary of an Emissions Buy-Back for our 2015 VW Passat TDI

CaliforniaGeo 3-17-17   Like most consumers, it pains me to admit that I got fooled by the world’s largest automaker after lots of research and comparisons.  So we had to wonder about a VW Buy-Back for our 2015 Passat TDI.  Ultimately, it was better to take the emissions buy-back than to risk a de-valued trade-in, a private […]