250+ iOS apps curated and reviewed
If you already know Blue Cold Heat Load Calculator, this is the deeper bench. 250+ blue cold heat load calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 2 |  | Free | 1.0★ (1) | No | No | May 2026 |
| 3 |  | Free | 4.0★ (3) | No | No | May 2026 |
| 4 |  | Free | 1.0★ (1) | No | No | May 2026 |
| 5 |  | Free | — | No | No | Jun 2026 |
| 6 |  | Free was $0.99 | — | No | No | Aug 2026 |
| 7 |  | Free | — | No | No | Aug 2026 |
| 8 |  | $4.99 | 1.5★ (2) | No | No | Aug 2026 |
Accurately calculate the cooling capacity needed for cold rooms, storage, and freezers. Input room details, insulation, temperatures, and product information for precise, data-driven recommendations. Generate shareable PDF reports for your projects.
Calculate the heating load for simple rectangular buildings with natural air infiltration. Save calculations for future reference or email them directly from the app.
This tool quickly calculates the necessary cooling capacity for cold rooms. It allows users to input temperature, dimensions, insulation, heat loss, and product data to generate instant calculations. Results can be emailed for easy sharing.
Calculate heating loads for various scenarios, including construction, product, and infiltration. Generate and download detailed PDF reports of your calculations for free. Save important results online to your account.
This utility app helps determine necessary precautions against cold stress by calculating adjusted outdoor temperatures based on wind speed. It estimates the cooling power of the environment to prevent adverse health effects like frostbite and hypothermia.
Accurately calculate the heating requirements for any room in your home. This tool supports unlimited rooms, offers precise calculations in Watts and BTU, and features a clean, intuitive design with dark mode support.
Calculate room heat loss, estimate radiator output, and convert between Watts and BTU/h. Analyze potential energy savings from home improvements and determine radiator sizing for optimal heating. Results can be emailed, saved, or exported.
Perform detailed residential heating and cooling load calculations in the field. This app offers extensive data on building materials, weather, and project management for HVAC engineers and technicians.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.
This app assists in calculating heat gain for cold rooms, supporting various heat sources and construction materials. It offers project organization and in-app help, with an optional subscription for PDF export.
This app assists HVACR technicians with field service by providing calculations for superheat, subcooling, airflow, and psychrometrics. It supports 28 refrigerants and includes instructions for use.
Calculate the heat index by simply inputting air temperature and relative humidity. Supports multiple temperature units including Kelvin, Celsius, and Fahrenheit. Results are for reference only.
Perform detailed heating and cooling load calculations for buildings in the field using your iPhone. Access a vast weather database and construction data to generate comprehensive reports that can be emailed or exported to spreadsheets.
This utility helps you determine the appropriate cooling capacity for an air conditioner based on room size and other factors. It simplifies the process of selecting the right unit to ensure optimal comfort and energy efficiency.
This app provides over 40 HVAC and building-systems engineering calculators. It's designed for field use, offering standard industry formulas for cooling, heating, ventilation, electrical sizing, and more. Access detailed formula definitions and reference data.