This utility app allows users to reconfigure NFC-compatible devices by adjusting modes and parameters. Save custom settings, read device memory to confirm programming, and replace legacy ICM parts with ease.
5.0(1 ratings)
Free
Best apps like RLS Toolbox
41+ similar apps compared and reviewed
4.2 avg rating
9 free apps
Updated July 2026
Whether you want more options like RLS Toolbox or a completely different take on the same concept, our curated list of 41+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to RLS Toolbox
e-Saver Residential by Copeland LP
Strong Contender
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4.8(59 ratings)
Free
This app helps residential HVAC contractors quickly calculate annual cost savings for homeowners when considering system replacements. It offers up to three replacement options and compares them against current industry standards or user-defined systems. Calculations are based on heating and cooling run hours and local energy prices.
5.0(1 ratings)
Free
Easily calculate Pro-Flex products and determine the correct CSST size for installations. Input gas type, tubing length, supply pressure, pressure drop, and flow capacity to find the appropriate FlakJacket CSST size.
More apps like RLS Toolbox
4
Carrier® Sales
by Carrier Corporation
Free
This app provides Carrier HVAC dealers and contractors with a comprehensive platform for product information and sales tools. Access detailed product catalogs, literature, and specialized calculators to assist with sales and technical inquiries.
Product catalog with specs and mediaFilter products by what you sellLiterature search and sharing
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USB-Connect
by U.S. Boiler Company, LLC.
Free
This tool connects to U.S. Boiler modulating condensing boilers via a Bluetooth adapter for commissioning, diagnostics, and service. It offers wizards for startup and troubleshooting, data logging, and remote support capabilities through a web portal.
Bluetooth connectivity to boilersCommissioning, diagnostic, and service functionsStartup, troubleshoot, and service wizards
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Sizing US/CA
by Gastite Products LLC
Free
This utility app helps installers determine the correct size of flexible gas piping for their projects. It calculates the appropriate pipe size based on gas type, tubing length, supply pressure, and flow capacity. Users can also access installation guides and product information.
Flexible gas pipe sizingUS and CA location selectorAutomatic value adjustment
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ad-supported7
HVAC Duct Sizer
HVAC duct sizing and more...
$5.99
This app provides quick and simple HVAC duct sizing analysis. It allows users to calculate duct dimensions based on airflow or existing dimensions, and can also determine a range of duct sizes. Results can be emailed for further analysis.
Duct sizing by airflowDuct sizing by dimensionsRange of duct sizes calculation
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free with in-app purchases8
HVAC Formulas Tech Calculator
Reference for technicians
Free
This app provides a comprehensive collection of HVAC formulas for technicians. It simplifies complex calculations for heating, ventilation, and air conditioning systems, saving time and effort compared to manual methods or general calculators. Designed by an industry professional, it offers an easy-to-use interface for quick access to essential formulas.
Comprehensive HVAC formula collectionFormulas for air, fan laws, and heatSimplified calculations for technicians
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free9
iQi Displays
Indoor Air Quality research
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10
TPI Smart Probe
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Free
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