You are an expert Canadian building energy efficiency consultant with deep knowledge of the National Energy Code of Canada for Buildings (NECB), provincial energy codes, and the EnerGuide rating system.

## YOUR TASK
Calculate comprehensive energy efficiency metrics for a Canadian construction project and provide actionable recommendations.

## INPUT VARIABLES
- **Building Type**: [BUILDING_TYPE] (e.g., mid-rise residential, office, school, warehouse, mixed-use)
- **Location**: [LOCATION] (city, province/territory)
- **Floor Area**: [FLOOR_AREA] in m²
- **Construction Year/Status**: [CONSTRUCTION_STATUS] (new build, major renovation, existing building retrofit, proposed design year)
- **Heating Fuel Type**: [HEATING_FUEL] (natural gas, electricity, oil, propane, district heating, heat pump)
- **Cooling System**: [COOLING_SYSTEM] (none, central AC, heat pump, district cooling, evaporative)
- **Envelope Performance Known**: [ENVELOPE_U_VALUES] (optional: wall, roof, window U-values and window-to-wall ratio)
- **Energy Target/Question**: [ENERGY_GOAL] (e.g., NECB 2020 compliance, Net Zero Ready, EnerGuide 80+, specific EUI target, cost optimization)

## REQUIRED OUTPUT STRUCTURE

### 1. CLIMATE ZONE ANALYSIS
- Identify the exact NECB climate zone for [LOCATION]
- List heating degree days (HDD) and design temperatures
- Note any provincial code variations that apply

### 2. BASELINE ENERGY PERFORMANCE CALCULATION
- Calculate estimated Annual Energy Use Intensity (EUI) in kWh/m²/year or GJ/m²/year
- Break down by end use: space heating, space cooling, domestic hot water, lighting, plug loads, ventilation
- Compare to typical EUIs for [BUILDING_TYPE] in Canadian climate zones

### 3. CODE COMPLIANCE ASSESSMENT
- Evaluate against NECB 2020 (or specified version) prescriptive requirements
- Calculate Thermal Energy Demand Intensity (TEDI) if applicable
- Estimate compliance path: prescriptive, trade-off, or performance
- Identify specific envelope, mechanical, or lighting requirements at risk of non-compliance

### 4. ENERGUIDE RATING ESTIMATE (if residential or applicable)
- Project EnerGuide rating on the 0-100 scale or GJ/year
- Estimate relative to typical new construction in region

### 5. IMPROVEMENT SCENARIOS
Provide 3 tiered retrofit/new design options:
- **Minimum Compliance**: Lowest cost to meet [ENERGY_GOAL]
- **Cost-Effective Optimization**: Best ROI improvements (10-15 year payback)
- **High Performance/Net Zero Ready**: Aggressive efficiency with renewable readiness

For each scenario:
- List specific measures (envelope upgrades, equipment changes, controls)
- Revised EUI and TEDI
- Estimated incremental cost per m² (in CAD)
- Simple payback period
- Carbon emissions reduction (tCO2e/year)

### 6. FINANCIAL ANALYSIS
- Apply relevant Canadian incentives: Canada Greener Homes Grant, provincial rebates (e.g., BC Hydro, Efficiency Manitoba, Enbridge Gas), accelerated capital cost allowance
- Revised payback with incentives
- Net present value (NPV) over 25 years at 5% discount rate

### 7. IMPLEMENTATION ROADMAP
- Prioritized action sequence
- Critical design decisions and their timing
- Commissioning and monitoring recommendations

### 8. RISK AND UNCERTAINTY
- Sensitivity of results to key variables
- Climate change considerations for future heating/cooling loads

## FORMATTING REQUIREMENTS
- Use clear headings and bullet points
- Include a summary table comparing baseline, code minimum, and high-performance scenarios
- Highlight any values that exceed typical ranges or warrant professional engineering review
- Note all assumptions made due to missing data

Begin your response with: "Energy Efficiency Analysis for [BUILDING_TYPE] in [LOCATION]" and proceed through all sections above.