Best apps like HVACSize

10+ similar apps compared and reviewed

4.8 avg rating
9 free apps
Updated September 2026

Looking for something like HVACSize? 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 HVACSize

More apps like HVACSize

4
Airkit: HVAC Calculator
Airkit: HVAC Calculator
Airkit: HVAC Calculator
Charging, ductulator, PT chart
Free
๐Ÿ”ง Utilities
(0)
5
ScanPlan: HVAC Load & Ducts
ScanPlan: HVAC Load & Ducts
ScanPlan: HVAC Load & Ducts
LiDAR floor plans & Manual J
Free

This app transforms your iPhone or iPad Pro into a comprehensive HVAC design toolkit. It allows for on-site room scanning with LiDAR, calculation of heating and cooling loads, duct and equipment sizing, and generation of professional PDF reports.

LiDAR room scanningManual J load calculationsDuct and equipment sizing
๐Ÿ”ง Utilities
(1)
free with in-app purchases
6
HVAC Calculator: BTU & AC Load
HVAC Calculator: BTU & AC Load
HVAC Calculator: BTU & AC Load
by Coffee Room SIA
Free
๐Ÿ”ง Utilities
(0)
7
HVAC Pro Calculator: NEC + P-T
HVAC Pro Calculator: NEC + P-T
HVAC Pro Calculator: NEC + P-T
Duct ยท Voltage ยท Refrigerant
Free

This app provides essential tools for HVAC technicians and electricians, including BTU load sizing, duct calculations, and refrigerant pressure-temperature charts. It offers a free tier with core functions and an optional Pro upgrade for advanced features like voltage drop calculations and unlimited job saving.

BTU & Cooling Load SizingDuct Sizing CalculationsNEC Voltage Drop & Wire Sizing
๐Ÿ”ง Utilities
(1)
freemium
8
Engineering Calculator HVAC
Engineering Calculator HVAC
Engineering Calculator HVAC
by aleksandr bronnikov
Free
๐Ÿ”ง Utilities
(0)
9
Unit Converter: Offline
Unit Converter: Offline
Unit Converter: Offline
Fast offline unit conversions
Free
๐Ÿ”ง Utilities
(0)
10
Machinist Calc Pro 2
Machinist Calc Pro 2
Machinist Calc Pro 2
Machining Math Calculator
$29.99

This app provides comprehensive speed and feed calculations for various machining processes including milling, turning, drilling, and boring. It includes material and tool settings, drill and thread chart look-ups, and right triangle solutions.

Speed and feed calculations for milling, turning, drilling, boringMaterial and tool setting selectionBuilt-in drill and thread chart look-ups
๐Ÿ”ง Utilities
(5)
paid