Total Products under this Category: 216
Last updated: November 02, 2026
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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: ServiceTitan, BuildOps, Podium, Jobber, FieldPulse, Simpro, Housecall Pro, and HVAKR.
Underlying data: [Grid® JSON](https://www.g2.com/categories/hvac/grids.json?focus%5B%5D=servicetitan&focus%5B%5D=buildops&focus%5B%5D=podium&focus%5B%5D=jobber&focus%5B%5D=fieldpulse-fieldpulse&focus%5B%5D=simpro&focus%5B%5D=housecall-pro&focus%5B%5D=hvakr)
HVAC ASHRAE 62.1-2013 app is designed to allow users to perform comprehensive minimum ventilation calculations for a variety of commercial buildings.
HVAC ASHRAE Duct Fitting Database (DFDB) app is designed to allow users to perform pressure loss calculations for all 240+ ASHRAE fittings listed in the 2017 ASHRAE Handbook of Fundamentals.
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HVAC ResLoad-J is an ACCA-approved HVAC cooling and heating load calculation app for iPad.
HVAC Flat Rate Pricing Software is a price book, quoting and invoicing app for HVAC shops with 1 to 10 techs. Enter your overhead, tech pay and profit goal, and it works out your hourly rate. Then it prices 57 common repairs with good, better and best options, member prices and after-hours prices. Show the options on a tablet, get a finger signature, and turn the quote into an invoice in one tap. Works offline, with an optional free account to sync devices. Free on the web; iPhone app with a 7-day free trial.
HVAC Load sizes heating and cooling systems for US houses. Enter floor area, ZIP code and year built to get heating and cooling BTU/h and tons. See where the load comes from, get CFM and a duct size per room, and check if the unit you plan to quote fits. For a heat pump, see the balance point and backup heat. Make a two page PDF report with your logo. The web app is free, needs no account and works with no signal after the first visit. Estimates in the style of ACCA Manual J, not affiliated with ACCA.
HVAC Pipe Sizer Gas High application is designed to allow users to quickly size a simple high pressure (>= 1.5psi) gas piping system by inputting a number of piping and gas properties.
HVAC Pipe Sizer Gas Low is an application designed to allow users to quickly size a simple low pressure (< 1.5psi) gas piping system by inputting a number of piping and gas properties.
HVAC Pipe Sizer Steam is an application designed to allow users to quickly size a simple steam pipe system by inputting a number of piping and steam properties.
HVAC Psych HD is an interactive graphical psychrometric chart for iPad, that includes both IP and SI units.
HVAC Psychrometric Chart (HVAC Psych Chart) app is an interactive graphical psychrometric chart for iPad, and includes both IP and SI units.
HVAC Psychrometric LT application is designed to allow users to easily perform single-state HVAC psychrometric calculations using iPhone and iPad.
HVAC PT Chart is a free app designed to allow users to easily view the pressure-temperature properties of 100+ refrigerants.
HVAC ResLoad-J app is an ACCA-approved HVAC cooling and heating load calculation app for iPad.
