SwiftSize app icon

Apps Like SwiftSize for iPhone and iPad

Calculate HVAC load and generate PDF report

HVAC load calculator Measure home exposures on-site to size heating and air conditioning equipment. Generate detailed PDF reports. Reduce engineering time for accurate results. Sync with devices for real-time data.

by Design Comfort★ 4.03 ratingsBusiness$9.99Data updated 2026-09-09

SwiftSize screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. iAquaLink app icon

    iAquaLink

    Zodiac Pool Systems

    Monitor and control pool equipment remotely

    Monitor and control pool equipment remotely. Adjust pump schedules, manage heating systems, and automate water treatment. View real-time data on water chemistry and equipment status. Receive alerts for system issues and manual override options.

    ★ 4.799,520 ratingsLifestyleFreeData updated 2026-09-08
  1. Conduit HVAC Toolkit app icon

    Conduit HVAC Toolkit

    Conduit Tech, Inc.

    Scan homes, create models, calculate loads, visualize

    Create 3D models and 2D floor plans using LiDAR scans. Perform ACCA-certified load calculations. Visualize equipment placement with augmented reality. Generate sales-ready visualizations for client presentations.

    ★ 4.935 ratingsProductivityFreeData updated 2026-09-06
  2. Greenheck Toolbox app icon

    Greenheck Toolbox

    Greenheck Fan Corporation

    Calculate fan laws and size ducts

    Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.

    ★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08
  3. GasTech Calculator Pro app icon

    GasTech Calculator Pro

    Maksymilian Lopatowski

    Calculate gas volumes and pressures

    Volume to energy converter calculates gas volume to energy with temperature and pressure adjustments. Professional pipe sizing uses BS 6891:2015 standards for accurate sizing. Includes 9+ calculators for gas engineering tasks.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-06
  4. Duct Calculator Elite app icon

    Duct Calculator Elite

    Cyberprodigy LLC

    Calculate size, velocity, and pressure drop

    ™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

    ★ 4.8232 ratingsUtilities$9.99Data updated 2026-09-08
  5. Temsan Air app icon

    Temsan Air

    TEMSAN MAKINA VE TEKSTIL SANAYI TICARET ANONIM SIRKETI

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-06
  6. Aquanta app icon

    Aquanta

    Aquanta Inc.

    Control heating, schedule use, monitor water availability

    Monitor hot water availability and receive maintenance alerts including leak detection. Remote control heating with scheduling and automatic overheating shutoff. Learn usage patterns to optimize heating and operate via the .

    ★ 4.61,289 ratingsProductivityFreeData updated 2026-09-06
  7. HVAC Quick Load app icon

    HVAC Quick Load

    Carmel Software Corporation

    HVAC load calculations for buildings.

    The app performs rule-of-thumb HVAC load calculations for various building types. Users input building area and occupants to determine heating, cooling loads, and air flows.

    ★ 3.33 ratingsProductivity$6.99Data updated 2026-09-13

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.