| What it does | Free garage heater sizing calculator using garage dimensions, insulation, and winter temperature
| Free Four Pillars of Destiny chart calculator with true solar time
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Charts and tools free. AI readings: 1 reading for $4.99, 3 readings for $9.99, 10 readings for $19.99.
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| Key features | - Calculates required heat output in BTU/hr and watts from garage dimensions, ceiling height, insulation, and winter temperature
- Adjustable insulation levels from poor to excellent with whole-space planning factors
- Published formula and methodology with documented sources
- Real-time calculator updates as you type input values
- ZIP or postal code reference using NOAA weather data for local temperatures
- Embeddable calculator iframe for integration on other websites
- Companion tools for installation costs and heating method comparison
| - Four Pillars with hidden stems and heavenly stems and earthly branches
- Day Master calculation and analysis
- Ten Gods relationship mapping
- Five Elements distribution with visible and hidden stems
- Luck Pillars with ten-year periods and annual pillars
- True solar time calculation with longitude and equation of time correction
- Two-chart comparison showing stem/branch relations
- Export and print functionality including PDF and JSON download
- Time range input for uncertain birth times
- Bilingual interface in English and Simplified Chinese
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| What makes it different | - Free and independent with no product catalog or affiliate commissions
- Transparent published formula so users can judge the estimate instead of trusting a black box
- Consistent sizing across all pages and guides using the same calculation engine
- Real climate data from NOAA hourly weather records for accurate local temperature estimates
| - All calculation rules published and adjustable, showing which rule produced each result
- Solar-term boundaries computed astronomically to the minute with historical time zone accuracy
- No prediction claims; presents charts as cultural and reflective, not scientific forecasts
- Works without birth time by showing stable and candidate pillars
- No account required for calculation; optional saving and one free AI reading after Google sign-in
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +2 (up) since last check | 11 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 9 |
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| Citation Flow (Majestic) | 14 | 30 |
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| Referring domains (Majestic) | 2 | 45 |
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Garage Heat Lab
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