Reducing Ontario’s new single-family residential heating energy consumption by 80% by 2035: economic analysis of a tiered framework of performance targets
Bibliographic record
Abstract
Growing environmental consciousness and rising energy prices have emphasized the need for substantial energy savings in the single-family residential building sector. To achieve this, more stringent performance requirements are needed. The intent of this work is to develop a framework and preliminary policy implementation strategy to achieve an 80% reduction in heating energy consumption by 2035 for newly constructed single-family dwellings across Ontario (Canada). A tiered framework of heating energy consumption targets was developed using current (2012) Ontario building code requirements as the baseline and building enclosure/HVAC requirements estimated as necessary to achieve the Passive House Standard in Ontario’s two climate zones. An Ontario based large track homebuilder estimated construction capital costs for each tier to examine potential cost barriers against implementation. A significant cost premium of over $65 000 (CAD) (54%) exists between the baseline consumption and the overall 80% heating energy reduction target; a result of unfamiliarity and lack of experience designing and constructing to the proposed levels. This research concludes a large gap exists between early adopters and the mainstream construction industry in terms of super-insulated house construction.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".