RV & Home Leveler: Solar, HVAC
Park perfectly level without leaving your driver's seat. Voice-guided leveling calculates exact block heights under each tire based on your wheelbase. Includes 3° absorption fridge safety warning, off-grid LiFePO4/AGM solar calculator, and diesel heater altitude tuning.
✓ Free on Android • ✓ 100% Offline • ✓ Verified Calculations
🚐 Live RV Leveling & Absorption Fridge Safety Simulator
Dual-Axis LevelerCalculate exact leveling block heights under tires & protect your absorption fridge ammonia boiler:
Fridge Status: ✅ SAFE (<3.0° Tilt) — Ammonia refrigerant circulates freely by gravity.
Latest Field Guides & Technical Manuals
The 3-Degree Rule: Why Parking Off-Level Permanently Destroys RV Absorption Fridges
Discover The 3-Degree Rule: Why Parking Off-Level Permanently Destroys RV Absorption Fridges. How to level your rig, avoid catastrophic appliance burnout, size diesel heaters, and manage lithium battery banks.
Read Full Guide & Calculator →
Stationary Diesel Heaters: The Oversizing Trap, Carbon Soot & High-Altitude Fixes
Discover Stationary Diesel Heaters: The Oversizing Trap, Carbon Soot & High-Altitude Fixes. How to level your rig, avoid catastrophic appliance burnout, size diesel heaters, and manage lithium battery banks.
Read Full Guide & Calculator →
Solar Panels, MPPT Controllers & DC-DC Chargers: How to Never Run Out of Off-Grid Power
Discover Solar Panels, MPPT Controllers & DC-DC Chargers: How to Never Run Out of Off-Grid Power. How to level your rig, avoid catastrophic appliance burnout, size diesel heaters, and manage lithium battery banks.
Read Full Guide & Calculator →
Lithium (LiFePO4) vs. AGM Batteries: Real Usable Capacity & Freezing Weather Danger
Discover Lithium (LiFePO4) vs. AGM Batteries: Real Usable Capacity & Freezing Weather Danger. How to level your rig, avoid catastrophic appliance burnout, size diesel heaters, and manage lithium battery banks.
Read Full Guide & Calculator →