# Best Free HVAC Software Solutions 2026 | Capterra

> Find and compare the 2026 best free HVAC software solutions, using our interactive tool to quickly narrow your choices based on businesses like yours.

Source: https://www.capterra.com/hvac-software/s/free

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# Best HVAC Software for free

For more information consult our [HVAC Buyers Guide](#buyers-guide-content)

[4.6 (44)](https://www.capterra.com/p/10014004/Zoho-FSM/reviews/)

[Capterra Shortlist](https://www.capterra.com/hvac-software/shortlist/)

Optimize HVAC service operations with asset management, maintenance plans, scheduling, workforce management, and billing on Zoho FSM [Learn more about Zoho FSM](https://www.capterra.com/p/10014004/Zoho-FSM/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[4.4 (95)](https://www.capterra.com/p/129634/Synchroteam/reviews/)

[Capterra Shortlist](https://www.capterra.com/hvac-software/shortlist/)

Optimize HVAC service calls, scheduling, and inventory with Synchroteam. Mobile app included. Free trial in <1 min. Live support. [Learn more about Synchroteam](https://www.capterra.com/p/129634/Synchroteam/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[4.5 (311)](https://www.capterra.com/p/110711/ServiceM8/reviews/)

The app for HVAC businesses. Schedule jobs, create quotes and invoices, complete OH&S forms and even take credit card payments. [Learn more about ServiceM8](https://www.capterra.com/p/110711/ServiceM8/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

87% recommend this product

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[## Connecteam](https://www.capterra.com/p/153140/Connecteam/)

[4.6 (5180)](https://www.capterra.com/p/153140/Connecteam/reviews/)

[Capterra Shortlist](https://www.capterra.com/hvac-software/shortlist/)

An all-in-one HVAC business management software specially designed for your non-desk employees! [Learn more about Connecteam](https://www.capterra.com/p/153140/Connecteam/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[## STACK](https://www.capterra.com/p/147181/STACK-Takeoff/)

[4.5 (1349)](https://www.capterra.com/p/147181/STACK-Takeoff/reviews/)

Flexible, Fast & Accurate Takeoff & Estimating for HVAC Contractors. Bid & Win more work with STACK! Create Your Free Account Today! [Learn more about STACK](https://www.capterra.com/p/147181/STACK-Takeoff/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

82% recommend this product

[## Sortly](https://www.capterra.com/p/169199/Sortly-Pro/)

[4.5 (951)](https://www.capterra.com/p/169199/Sortly-Pro/reviews/)

Sortly is an easy inventory solution that helps businesses track and manage their inventory from any device, in any location. [Learn more about Sortly](https://www.capterra.com/p/169199/Sortly-Pro/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[## Salesforce Service Cloud](https://www.capterra.com/p/136189/Salesforce/)

[4.5 (824)](https://www.capterra.com/p/136189/Salesforce/reviews/)

Elevate your field service operations. Blend customer, resource, and asset data on the most powerful field service platform. [Learn more about Salesforce Service Cloud](https://www.capterra.com/p/136189/Salesforce/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[## FieldEdge Flat Rate Mobile](https://www.capterra.com/p/132009/Coolfront/)

[4.3 (448)](https://www.capterra.com/p/132009/Coolfront/reviews/)

Mobilize your service business and increase profits with our one-of-a-kind flat rate pricing which is all at zero-cost to you! [Learn more about FieldEdge Flat Rate Mobile](https://www.capterra.com/p/132009/Coolfront/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

[## SafetyCulture](https://www.capterra.com/p/141080/iAuditor/)

[4.6 (353)](https://www.capterra.com/p/141080/iAuditor/reviews/)

SafetyCulture is an operations platform that enables teams to digitize and enhance workplace processes on a unified interface. [Learn more about SafetyCulture](https://www.capterra.com/p/141080/iAuditor/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

84% recommend this product

[## Workiz](https://www.capterra.com/p/147525/Workiz/)

[4.4 (218)](https://www.capterra.com/p/147525/Workiz/reviews/)

Workiz provides an easy-to-use platform which allows HVAC technicians to manage scheduling, invoicing, payment processing, and more. [Learn more about Workiz](https://www.capterra.com/p/147525/Workiz/)

HVAC features reviewers most value

Billing & Invoicing

Calendar Management

Customer Database

Electronic Payments

Maintenance Scheduling

Mobile Access

Quotes/Estimates

Service History

Technician Management

## Top-rated software of 2026

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85% of professionals opt for a 30-day trial before the software purchase

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Key Features

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We have selected the most important and critical features as defined by Capterra user reviews

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Billing & Invoicing

Calendar Management

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Generative AI

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Quotes/Estimates

Routing

Service History

Technician Management

Deployment

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Desktop Mac

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On-Premise Linux

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Mobile iPad

Related Software Category:

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[For Small Businesses](https://www.capterra.com/hvac-software/s/small-businesses/)