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About ACtopus – AC Planner & BTU

Looking for the right air conditioner size for your home or office? ACtopus is an interactive AC BTU calculator, thermal flow simulator, and energy cost estimator designed to help you size cooling accurately, avoid overspending, and optimize room layouts.

Whether you are sizing a split system, portable air conditioner, or window unit, ACtopus provides precision heat-load sizing and visual cooling simulation right on your phone.

🌟 KEY FEATURES

⚡ 1. Quick BTU & Sizing Calculator
Calculate required cooling capacity (BTU/h) in seconds.
• Smart Inputs: Takes room area (m²), ceiling height, sun exposure, wall insulation quality, and window area into account.
• Heat Load Breakdown: See detailed heat-gain sources from walls, glass conduction, solar radiation, roof heat, and internal gains.

📐 2. Floor Plan Editor & Thermal Simulator
Sketch your home room by room and watch cooling spread in real time!
• Interactive Floor Plan Canvas: Draw room boundaries, doors, and stairwells corner-by-corner.
• Live Heat Simulation: Place AC units on walls and watch temperature propagation across rooms.
• Multi-Floor Support: Manage basements, ground floors, and upper levels.

💡 3. Energy Cost & Electricity Estimator
Avoid unexpected electricity bills!
• Running Cost Calculation: Estimate daily, monthly, and yearly running costs based on AC power draw (kW) and energy efficiency (EER).
• Multi-Currency Support: Custom electricity rates and currency presets worldwide.

📊 4. Interactive Cooling Report
View detailed project heat analyses, energy cost summaries, and room-by-room thermal status.

📴 5. 100% Offline & Private
• No account or sign-in required.
• All floor plans, projects, and calculations run 100% locally on your device.
• Zero personal data collection or tracking.

🎯 WHO IS ACTOPUS FOR?
• Homeowners & Tenants: Calculate exact BTU size needed before purchasing an AC unit.
• HVAC Technicians & Installers: Quick on-site thermal load estimation.
• Architects & Interior Planners: Visualize room cooling layout and AC placement.

Download ACtopus: AC & BTU Calculator today and plan your ideal cooling setup with total confidence!