Best apps like BTU Calculator - Data Centers

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated September 2026

Looking for something like BTU Calculator? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to BTU Calculator

Installer App#2

Installer App by Danfoss A/S

Essential HVAC tools
Strong Contender
🔧 Utilities
3.0(7 ratings)
Free
Installer App screenshot 1
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This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

More apps like BTU Calculator

4
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

500,000+ HVAC unit databaseManuals and part listsAI troubleshooting tool (MasterMechanic)
🔧 Utilities
(4.5K)
ad-supported
5
Cr Calc – Cold Room Calculator
Cr Calc – Cold Room Calculator
Cr Calc – Cold Room Calculator
by Anatoliy Gershman
Free

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.

On-the-fly calculationsMultiple heat gain typesExtensive material selection
🔧 Utilities
(2)
freemium
6
Allday HVAC Calc
Allday HVAC Calc
Allday HVAC Calc
Pipe and Duct calculations
Free

This app offers three specialized modules for HVAC engineers: a psychrometric calculator for air properties, a pipe calculator for fluid dynamics and selection, and a duct calculator for air speed and pressure loss. It provides detailed calculations and reference formulas in both SI and IP units.

Psychrometric air property calculationsPipe velocity and pressure loss calculationDuct speed and pressure loss calculation
🔧 Utilities
(1)
free
7
Digiduct
Digiduct
Digiduct
Duct-Sizing App
Free

This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

Duct sizing for rectangular, round, and flat oval ductsCustomizable dimensions with locked valuesDuct location intelligence for context-aware sizing
🔧 Utilities
(11)
ad-supported
8
Daikin Service
Daikin Service
Daikin Service
by Daikin Airconditioning UK Ltd
Free

This app assists service engineers in the air conditioning industry with Daikin VRV, Altherma, Split, and Sky Air equipment. It provides tools for fault finding, including fault codes, refrigerant calculations, and diagnostic checks. The application also supports outdoor unit settings and operational procedures.

Fault code lookupAdditional charge calculationsPCB dip switch settings
🔧 Utilities
(11)
free
9
Bryant® Service Technician
Bryant® Service Technician
Bryant® Service Technician
by Bryant Heating & Cooling
Free

This app helps HVAC/R technicians identify and source the correct parts for repairs, whether for warranty or non-warranty work on any brand. It offers tools for troubleshooting, calculating system capacity, and locating nearby parts centers.

AI-powered technical assistanceSystem capacity calculationIntelligent equipment search
🔧 Utilities
(38)
free
10
IN HVAC Calculator
IN HVAC Calculator
IN HVAC Calculator
HVAC Calculator & Reference
Free

This app provides HVAC inspection tools and guidelines for home inspectors. It helps estimate equipment age, size, and requirements, giving inspectors confidence in their reports.

Equipment circuit requirements calculatorAC tonnage estimation by model numberHVAC manufacture date lookup
🔧 Utilities
(11)
free