Home of René & Elizabeth Roy in Harvard, MA
The Roy home was built in 1987 and has 3,320 sq feet w/ forced hot air by oil Home office over garage heated w/ baseboard electric heaters & cooled with window A/C unit.
System & Installation
ClimateMaster Two-Stage 6-ton Geothermal Heat Pump w/ 20 Kw Electric B/U heater 600-ft Geo open-loop standing column well is source for Earth Coupling heating & cooling Retrofitted using existing ducts Geothermal System installed Oct 2008.
Data for Heating Season Only – October 08 – April 09
* If Oil contract had been signed in Aug 2008 , oil cost would have been $ 4,576 for a total heating cost of $ 5,963 vs. $ 2,801 with geothermal for a savings of $3,162 or approx 53%.
|2000 thru 2007
Average Oct – Apr
|Oct 2008 – Apr 2009|
|Electric||7,850 Kwh||$ 1,387||17,600 Kwh||$ 2,801|
|Oil||1,017 gals||$ 3,267 *||NONE||$ 0|
|Total Heating||$ 4,654||$ 2,801|
|Savings||$ 1,843 ~ 40 %|
|Cost / Sq Ft||$ 1.40 / sq ft||$ 0.84 / sq ft|
Install Cost Breakdown
|Load analysis, system & well design||N / C|
|Heat pump, duct work, installation||$ 24,500|
|Well, pump, plumbing||$ 12,075|
|Electrical for heat pump, well pump & HWH||$ 1,056|
|High efficiency electric hot water heater||$ 910|
|Trenching & sludge / bleed pit||$ 1,735|
|Total cost||$ 40,276|
|30 % Tax Credit ………………………………………………………….||$ 12,083|
|Net cost . . ..||$ 28,193|
|Projected annual savings||$ 2,500|
|11,3 years *|
* Added benefit also achieved with increased resale value Installation performed by: Bill Wenzel Geothermal.