Southboro

Massachusetts, USA - Ground-source heat pump

 
Summary
In this high school radiant electric heating consoles were replaced with a standing column geothermal heating. The well water is pumped directly to 20 heat pumps, each of which has a capacity of 35 kW (10 ton). The old heating elements in the classrooms were replaced with custom design hydronic radiators. 		 

The heat pump system.


Building and design values

 
Building type: School
Location: Southboro, Massachusetts, USA
Year of construction: 1996
Number of storeys: No data
Heated floor area (m2): No data
% of total floor area (%): No data
Design outdoor temperature (ºC) Heating: No data Cooling: No data
Design indoor temperature (ºC) Heating: No data Cooling: No data
Degree days Heating: 4 230 Cooling: No data
Base temperature for degree days (ºC) Heating: 18 Cooling: No data


Heating and cooling

 
Application: Space heating
Heat pump type(s): Water-to-water
Heat pump installed capacity (kW) Heating: 704 Cooling: -
Refrigerant: No data
Heat source Groundwater
Details: No data
a) Type of ground heat exchanger: Standing column well (6)
b) Borehole depth (m): 457 (1,500 ft)
c) Pipe length (m): No data
d) Heat transfer fluid: No data
e) Flow rate (l/h): No data
Distribution system(s): Water (hydronic coils)
Supply and return temperature (ºC) Heating: No data Cooling: -
Auxiliary system: None
Heat pump design: No data
Supplementary system: No data
Heat pump system completion date: 1997


Annual energy consumption before and after geothermal heat pump installation.  

Performance
No data, except bar graph to the right.

 


Operational experience and other comments
No data


Contacts

 

Contact 1:

John Logan
    Company: Water Energy Distribution
    Role: System design
    Address: 15 Wawenock Road
Raymond, Maine 04071
USA
    Telephone: + 1 207 655 7529
    Fax: + 1 240 414 8924
    Email: geomaine @ maine.rr.com

 

 

 
Last updated: 1 March 2004
The world's leading information centre on heat pumps