Best apps like HVAC Formulator

10+ similar apps compared and reviewed

4.3 avg rating
2 free apps
Updated July 2026

HVAC Formulator is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to HVAC Formulator

Electrical Motor Calculator#1

Electrical Motor Calculator by Heng Jia Liang

Calc Amps Horsepowers and kVa
Editor's Choice
📊 Productivity
3.8(8 ratings)
$2.99
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This engineering tool calculates key electrical motor characteristics like amps, horsepower, and kVa. Input system voltage, motor efficiency, and power factor to determine electrical values for your system.

More apps like HVAC Formulator

4
Construction+
Construction+
Construction+
Asphalt,Concrete,Drywall,Roofs
$0.99

This app provides contractors and sales professionals with essential calculators for estimating costs, material quantities, and prices for various construction projects like asphalt, concrete, drywall, and roofing. It also includes specialized calculators for fuel injectors and tire conversions.

Asphalt, concrete, drywall, roofing calculatorsFuel injector calculatorsTire diameter converter
📊 Productivity
(3)
paid
5
Ductulator - Duct Sizing
Ductulator - Duct Sizing
Ductulator - Duct Sizing
HVAC Duct Design Calculator
$3.99

Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.

Instant duct sizingFriction rate or velocity calculationMultiple valid duct dimensions
📊 Productivity
(272)
free
6
Hydraulics and Waterworks Calc
Hydraulics and Waterworks Calc
Hydraulics and Waterworks Calc
Aquifer,weir,Capillar,Siphon
$4.99

This app provides 94 specialized calculators for hydraulics, waterworks, and civil engineering. It supports both Metric and Imperial units and includes smart auto-fill features for material properties and flow indicators.

94 specialized calculatorsMetric and Imperial unit supportSmart auto-fill pickers
📊 Productivity
(12)
paid
7
HVAC Quick Load
HVAC Quick Load
HVAC Quick Load
Rule-of-thumb HVAC load calcs
$6.99

This app provides quick, rule-of-thumb HVAC load calculations for various building types. It estimates heating and cooling loads, as well as air flows, based on building type, area, and occupancy. Results can be emailed with an Excel spreadsheet attachment for further analysis.

Rule-of-thumb HVAC load calculationsSupports commercial, industrial, and residential buildingsEstimates cooling/heating loads and air flows
📊 Productivity
(3)
paid
8
HVAC RefCharge
HVAC RefCharge
HVAC RefCharge
Ref. subcool/superheat calcs
$9.99

This app helps HVAC technicians quickly calculate refrigerant superheat and subcool levels. It supports over 100 refrigerants and offers interactive adjustments for precise charging decisions. Features include atmospheric pressure adjustments and unit customization.

Superheat and subcool calculationsSupports 100+ refrigerantsInteractive slider for adjustments
📊 Productivity
(0)
paid
9
CalcEngineer
CalcEngineer
CalcEngineer
Pro Engineering Calculators
Free

This app provides professional engineering calculations for compressed air systems. It helps engineers and technicians determine CFM requirements, size compressors and tanks, and analyze pressure drops for optimized pneumatic systems.

CFM CalculatorCompressor & Tank SizingPressure Drop Analysis
📊 Productivity
(2)
free
10
Ugly's Electrical References
Ugly's Electrical References
Ugly's Electrical References
by Informed Publishing
$12.99

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

NEC 2026 updatesMathematical formulas and calculatorsConduit bending guide with videos
📊 Productivity
(1.5K)
paid