Navisizer app icon

Apps Like Navisizer for iPhone and iPad

Size systems, calculate costs, generate specs

Calculate heating system requirements for residential and commercial applications. Input system data to determine sizing and operating costs. Generate detailed reports for job specifications and energy savings analysis.

by Navien, Inc.★ 2.426 ratingsProductivityFreeData updated 2026-09-06

Navisizer screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Southwire® Voltage Drop Calc app icon

    Southwire® Voltage Drop Calc

    Southwire Company

    Calculate and wire size

    Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.

    ★ 4.61,480 ratingsUtilitiesFreeData updated 2026-09-08
  2. Bradford White FOR THE PRO® app icon

    Bradford White FOR THE PRO®

    Bradford White Corporation

    Scan barcodes, check warranties, search products

    Contractors can scan product barcodes to access technical documents and warranty information. Search model numbers for spec sheets, parts lists, and product details. Access sizing tools and other resources directly through the .

    ★ 4.9457 ratingsProductivityFreeData updated 2026-09-06
  1. AirPro: BTU Calculator app icon

    AirPro: BTU Calculator

    Igor Ilijovski

    Find unit size, view costs, track energy

    Calculate heating and cooling requirements based on room size and climate data. Estimate monthly energy costs and consumption. Set custom temperature schedules and adjust base temperatures. Compare different system types for installation.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-06
  2. Daikin Tech Hub app icon

    Daikin Tech Hub

    Goodman Global Holdings, Inc.

    Access technical guides and service data

    Access product technical specifications and all documents in one place. View installation, operation, and engineering manuals. Retrieve service guides and technical data. Submit service requests and track progress. Share resources with team members.

    ★ 4.63,567 ratingsBusinessFreeData updated 2026-09-06
  3. Oventrop app icon

    Oventrop

    Oventrop GmbH & Co. KG

    Design projects, check heating, measure systems, identify

    Perform heating system calculations for procedure A or B. Check heating compliance with EnSimiMaV and DIN SPEC 15378. Use OV-DMC 3 for measurement and adjustment. Identify HydroControl and HydroCom valves. Calculate heating load per DIN 12831.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-08
  4. CalcEngineer app icon

    CalcEngineer

    Justin Bush

    Calculate CFM, size compressors, analyze pressure drops

    Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-06
  5. Ductulator - Duct Sizing app icon

    Ductulator - Duct Sizing

    Wassim Murr

    Size ducts by friction rate or velocity

    Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.

    ★ 4.7335 ratingsProductivity$3.99Data updated 2026-09-09
  6. 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
  7. 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
  8. CPU-x Dasher z Battery life app icon

    CPU-x Dasher z Battery life

    永刚 陈

    Query hardware data and track system performance

    Query phone hardware and system details including frequency, network speed, carrier support, and storage usage. View camera specifications, screen resolution, and memory status. Access operating system and WiFi hotspot information.

    ★ 4.622,306 ratingsProductivityFreeData updated 2026-09-06
  9. CE HVAC Pro+ app icon

    CE HVAC Pro+

    Watsco, Inc.

    Check warranty, order status, and tech specs

    Check warranty details, inventory availability, order status, and technical manuals for products. Access tech specifications and order history. Receive support and track business growth tools.

    ★ 4.71,577 ratingsProductivityFreeData updated 2026-09-08
  10. ViCare app icon

    ViCare

    Viessmann IT Service GmbH

    Control heating system remotely

    Monitor and control your heating system remotely via the internet. View system status at a glance, adjust room temperature settings, and receive alerts for system issues. Set temperature preferences when away to reduce energy costs.

    ★ 4.51,286 ratingsLifestyleFreeData updated 2026-09-09
  11. InspectionFire.IO app icon

    InspectionFire.IO

    Inspection Fire LLC

    Generate professional inspection reports

    Create inspection reports for chimney, dryer, and heating appliances with professional PDF output. Upload multiple images for visual evidence. Use pre-written language to streamline report creation and ensure consistency.

    ★ 5.02 ratingsBusinessFreeData updated 2026-09-06
  12. Sprout - AI Job Search app icon

    Sprout - AI Job Search

    Magnifex AI Inc.

    Apply to jobs and refine applications

    Create job applications by swiping through roles and answering targeted questions. Compare your profile to job requirements. Customize responses and export applications in preferred formats.

    ★ 4.641,717 ratingsBusinessFreeData updated 2026-09-06
  13. HVAC Load Plus app icon

    HVAC Load Plus

    Carmel Software Corporation

    Calculate heating and cooling loads

    Perform heating and cooling block calculations for small commercial and residential buildings. Access a 1000+ city weather database and construction type data. Input project details to generate estimates based on industry standard methods.

    ★ 2.85 ratingsProductivity$24.99Data updated 2026-09-08
  14. Electrical Toolkit by HCP app icon

    Electrical Toolkit by HCP

    Codefied Inc.

    Calculate conduit bends and offsets

    Calculate conduit bends with offset and 90-degree tools. Determine stub-ups, kicks, and compound angles. Create three and four-point saddles for obstacle navigation. Access NEC-compliant calculations and field-tested utilities for work.

    ★ 4.741 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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