Ground-coupled Heat Pumps in the Alamogordo Public Schools A - - PowerPoint PPT Presentation

Presenter: Dave Flood Director, Operations & Transportation Alamogordo Public Schools

Ground-coupled Heat Pumps in the Alamogordo Public Schools A Presentation to the New Mexico Geothermal Energy Working Group May 13, 2008

DISTRICT STATUS

Alamogordo High School Phase 1 – 400 Wing – 12,000 sq. ft. – 54 units – commissioned August 2004 Phase 2 – Remainder of school – 310,000 sq. ft. – 108 units – commissioned August 2007 Yucca Elementary School Majority of school – 51,000 sq. ft. – units – commissioned 2006 Heights Elementary School Phase 1 – Majority of school – 35,000 sq. ft. – 20 units – work to begin August 2008

OPERATIONAL BENEFITS

• One classroom – one unit
• Teachers have some control over their

thermostats

• Redundant pumps ensure we will not lose

the entire system

• “Best Practices” are easily transferable

from one application to another

MAINTENANCE BENEFITS

• Individual classroom units can be replaced

within four hours

• Preventive maintenance is greatly

simplified

• Minimizes the use of roof-top unit
• Full digital controls allow remote

troubleshooting as well as trend analysis

DISTRICT UTILITY SAVINGS

YUCCA ELEMENTARY SCHOOL

ALAMOGORDO HIGH SCHOOL

DRAWBACK

The only significant drawback we see at this time is a higher up-front cost. However… We believe the cost of the entire system over its life cycle will be no more or less than a conventional DX package unit system.

QUESTIONS ?

A copy of this presentation can be downloaded from the APS Web Site at www.aps4kids.org Click on “Departments” Select “Operations & Maintenance” Click on the presentation title on the blue navigational bar located on the left side of the page