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Energy Award

Energy Award
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The Homes  

photo: house exteriorA typical Canadian home's energy requirement can be broken down into 60% for space heating, 20% for domestic hot water heating and 20% for appliances, lights, and other. Estimates for homes in the Drake Landing Solar Community (DLSC) indicate that, in a typical year, over 90% of the energy used for space heating will come from solar energy. Even in an unusually cold winter and spring, 80% of the required heat is expected to come from the sun.

All homes built in the DLSC are finely crafted, single-detached homes with rear garages and breezeways. They are built from six distinct two-story home designs, ranging from 1,492 to 1,664 square feet in size. These designs are similar to other new homes across Canada, though DLSC homes have subtle differences as part of a solar community. 

High Standards

DLSC homes have more stringent energy requirements than other conventional homes. Each of the 52 homes will be certified to Natural Resources Canada’s R-2000 Standard for energy efficiency.

They will also be certified in the Built Green™ Alberta program. The program is managed by the Non-profit, Built Green™ Society and is modeled on both the R-2000 and NRCan’s EnerGuide for New Houses Program. The program has three distinct levels builders can aspire to for flexibility of price ranges, bronze, silver and gold.  The Drake Landing solar homes will be certified at the Gold level.

Both R-2000 and Built Green™ Alberta programs advocate quality, comfort, energy efficiency and responsible resource use.

Each home will be 30% more efficient than conventionally built houses, is designed with low-impact landscaping, and uses locally manufactured materials - a practice that supports local businesses and reduces pollution due to the transportation of goods.

In meeting these superior building standards, each home in the community is fitted with:

  • Upgraded insulation and vapor barrier systems that eliminate drafts and allow for balanced space heating and cooling throughout the home;
  • Lumber certified and produced by sustainable harvested sources;
  • Engineered joist and load bearing components that are stronger, more structurally stable and were produced using sustainable manufacturing practices.
  • A SIP panel system at joist header areas ensures consistent insulation and vapor barrier in this traditionally hard to finish space.
  • Recycled materials in the drywall;
  • Upgraded window systems that add to the superior insulation of the home;
  • An advanced basement air gap wrap to drain water away from the foundation and prevent moisture build-up;
  • Upgraded roofing material with longer warranties.

All homes are equipped with a specialized air handler unit, replacing the need for a conventional furnace, and a solar domestic hot water appliance.

Garages

Garages in the DLSC will be 22 feet by 22 feet. Interconnecting the garages with breezeway structures provides a very large sloped surface for mounting solar collectors, leaving the homebuilder with complete freedom to design attractive homes in several styles.

The unique garage design was instrumental in adapting the large solar system to the typical Canadian method for building homes in new developments. Typically the builder offers a range of models, with buyers able to independently select the house model and the lot. The homes are then built over a period of a year or more, in random order, as they are sold. This type of construction scheduling is not compatible with the construction of a solar system that requires the solar collectors to be mounted on the house roofs. However, building all of the houses at once, using pre-determined models would have caused havoc with the builder and the homebuyers.  Using the garages, which are being pre-built, allows the solar energy collectors to be installed, commissioned and operated by the local utility even before the first home is completed – and it allows the homes to be built and marketed in a conventional manner.

Water Conservation

All DLSC homes are required to abide by The Town of Okotoks’ water stewardship measures.  They will have (6L/flush) low consumption toilets, ultra low flow (7.5 L/min) showerheads, (4L/min) bathroom faucets, and (6 L/min) kitchen faucets.  All hot and most cold water lines will be insulated.  Larger homes where the distance from the hot water tank to the furthest hot water tap exceeds 36 feet will be required to have a recirculation pump.  An Energy Star®, low water consumption clothes washer and dishwasher are also supplied. 

Exterior water conservation is augmented with a rain barrel, supplied for plant watering, incorporated into the eaves trough downspout. Extra topsoil depth will be supplied to maintain moisture longer for landscaping needs and an outdoor tap timer is installed to help forgetful users.

The homes for the DLSC were built by Sterling Homes.