When Tim and Tracy Gilchrist sought an alternative way to heat and cool their non- traditional home in Laurentian Valley, Ontario, little did they realize what a noticeable impact their decision would have on their children and pets.
Residential Geothermal Install Case Study
Robert Longphee | GeoSmart Energy
Type of Building:
Size of Building:
4,700 square foot, three-storey home (3,500 living space) with two-car garage and basement beneath.
Total Geothermal Capacity Required:
6 nominal tonnes.
GeoSmart Premium G with desuperheater.
Upgraded ductwork in mechanical room.
Vertical 1 ¼” closed loop.
MacKinnon Well Drilling
Self-built, the Gilchrist’s five-year old, 4,700 square foot home consists of three storeys with a two-car garage and basement beneath. The industrial-style look features a 27-foot opening that runs from the main to the top floor.
Shortly after moving into their new three-bedroom, three-bathroom home, not only was the family’s investment in an oil forced air furnace and oil hot water tank becoming expensive, they were having difficulty maintaining a consistent temperature throughout the house. While the top floors were warm, the main and lower floors remained chilly.
“Our incentive to go geothermal was both economical and environmental,” says Tracy who admits they didn’t do a lot of research, but welcomed the advice of others who were happy with the geothermal systems they had installed. “We never imagined when we installed our initial system that the oil would be so expensive.”
The Gilchrists turned to MacKinnon Well Drilling for advice on the most appropriate geothermal unit to install.
“They were wonderful to work with,” notes Tracy. “We’re very pleased with the job they did and we know over time that we’ll recoup the cost of the installation through energy savings.”
Given the size of the home, the MacKinnon team recommended GeoSmart Energy’s six-tonne Premium G. The system works at low capacity on mild days for exceptional efficiency and automatically shifts to full capacity on days where the temperatures are more extreme. It is the most efficient geothermal unit on the market today.
After assessing the two-acre property which contained bedrock, the company, which handles its own drilling, elected to install the geothermal system supported by a vertical loop system. Six holes were drilled into the ground and filled with 1,200 feet of 1 ¼” PEI00 green geothermal pipe.
The loop system feeds into the heat pump located in the mechanical room in the basement of the home, using the earth’s natural heating and cooling properties to heat the home in the winter, and cool the home in the summer.
“We didn’t have air conditioning in our home before, so the added comfort geothermal brings to our home in the summer months is fantastic,” says the mother of five and eight- year-old daughters.
Shortly after the system was installed, Tracy says the family immediately noticed the difference.
“We were already into winter and in the first month of operation our home was consistently warm throughout the house for the first time in five years.”
She noted that the family spends a lot of time on the main floor of the house which houses the kitchen, living room and playroom. Prior to installing geothermal, the concrete floors in this area were always cold.
“After the geothermal system was installed, my eight-year-old daughter was pleased that she no longer had to wear slippers and sweaters in the house because the house and floors were so much warmer now.”
The Gilchrist’s children weren’t the only ones to notice the difference. The family’s two cats used to seek warmth upstairs in the children’s rooms where the sun came in. Now, however, they’re content to linger on the concrete floors on the main floor, an indication of the difference geothermal has made in the consistency of the temperature throughout the home.
While the Gilchrist’s system has only been in place for six months, Tracy notes they are already noticing the difference in their energy bills.
“Most months in the winter, our oil bill was $336 on equal billing plus an extra $500 to $1,000 per month and our hydro bill was about $150 on top of that,” she notes. “While our hydro costs have gone up with the addition of geothermal, we no longer have the astronomical oil bills coming in, and we now have the added bonus of air conditioning in the summer months which we didn’t have before.”
With the installation of their geothermal system and insulation of their basement, the Gilchrists expect to recoup $10,000 in rebates from the government thanks to current energy incentive programs in place.
“Given our experience, I would highly recommend geothermal to anyone looking for a way to consistently heat and cool their home. Not only can you save money, but it’s an environmentally friendly choice as well.”
The content & opinions in this article are the author’s and do not necessarily represent the views of AltEnergyMag
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