Top 27 HVAC Software SaaS Companies in May 2026

Burlington, Ontario, Canada

Service365 lets you manage your field service business with precision, ensuring accurate billing for every minute and all material. Designed by one of the most successful electrical contractors in Canada, we enable you to track success, and focus on what you do best. We are trusted by electricians, plumbers, HVAC engineers, roofers, water proofers and many others throughout North America. Our easy-to-use application manages quoting, jobs, purchasing, inventory management, timesheets, scheduling and payroll all in one system. And it can be used on mobile, tablet and desktop, allowing you to save time, streamline processes and increase profits.

Charlotte, North Carolina, United States

Evolve® is the leading field service software application used by top organizations throughout the United States. Customers include firms that provide pest control, lawn care, mechanical (HVAC) and commercial services. Evolve helps companies improve employee productivity, enhance their relationships with their customers, operate more profitably and expand their service offerings. The cloud-based Evolve software suite combines online and mobile applications that offer a wide range of features, including CRM, sales and estimating tools, smart scheduling, route management, mobile field service, customizable forms builder, integrated credit card processing and a customer portal. Evolve is a wholly-owned subsidiary of Nexcom, which has provided companies in the field service and construction industries with IT, software and mobility services since 2001.

Berlin, Germany

Thermosphr is a revolutionary operating system for thermal management in commercial buildings. We use a unique proprietary technology, result of years of research in thermal optimization and data science, which simulates and predicts building thermal behavior. Our SaaS plugs into any BMS and optimizes heating and cooling equipment settings (HVAC) in real time for maximum energy and cost efficiency. Our solution shows savings >30% within days, at no upfront cost, with continuous improvement. We are faster, more transparent and more performant than any solution available on the market! Thermosphr is bringing breakthrough thermal engineering technologies to the building industry, for more sustainable and profitable real estate.

Wan Chai, Hong Kong Island, Hong Kong

Developer of data analytics software for HVAC applications. The company's software algorithms enable enterprises to predict and detect operational defects in HVAC systems.

Cambridge, England, United Kingdom

Developer of a heat mapping system designed to monitor the performance of heating and cooling systems with an unprecedented level of accuracy and detail. The company's system provides high resolution insight into the performance of buildings, projects and infrastructure, measures, logs and analyses environmental variables such as temperature, humidity, carbon dioxide, occupancy and offers notification, enabling clients to measure, log and store the environmental data to improve service delivery, use space more efficiently and protect wellbeing.

Miami, Florida, United States

OnCall Air is an HVAC business platform with a goal of helping contractors improve the efficiency and efficacy of their sales. With thousands of contractors on the platform, OnCall Air has been proven to help contractors close more jobs at a higher average ticket while saving tons of time! In under 5 minutes, contractors using OnCall Air can build beautiful, digital multi-option HVAC proposals that place their company and brand front and center. Their customers can access and sign their proposals on any device at any time, and the contractor can track when the customer looks at the proposal and what options they are looking at. Through our unique integrations with multiple distributors, OnCall Air automates proposal pricing, AHRI information, distributor inventory availability, and product information including images, videos, and brochures on not just equipment, but smaller accessories as well, such as thermostats, IAQ, and more. Contractors can use FlexJob, one of OnCall Air's latest features, to offer impressive proposals filled with images, descriptions, bundled products and services, and unique pricing strategies to quote other jobs outside of residential replacement, such as repair or maintenance, commercial, standalone accessories or IAQ packages, ductwork or insulation, or even jobs outside of HVAC, such as plumbing or electrical. Click on the "Learn more" button to learn more about our other great features, such as recommending add-ons, integrated financing, automated follow-ups, and company performance tracking, and how OnCall Air can help your business grow your sales and save time!

Concord West, NSW, Australia

Australia's First Choice Sales App FlatRateNOW is a selling & pricing app that allows Plumbers, Electricians, Solar and HVAC tradesmen to get the best return from their business. The integrated pricebook has been developed over 20 years and provides your business with a pricing system that is easy to use and highly effective. Begin the transformation of your trades service business by going paperless and integrate FlatRateNOW with your job management system. Strategic Benefits to your business * Increase your average quote value * Win more jobs * Save admin time onsite * Increase customer satisfaction * Improve your tradesmen's confidence when selling * Reward your tradesmen on their performance * Receive an immediate return on your investment Practical Benefits to your business * Current pricing, no more out-of-date pricing books * Professional Quotes and Invoices emailed to customers * Access your quotes anytime, anywhere * No more after hours admin, get your family life back * Exceed customer expectations and get referrals * Setup in 30 minutes * Integrates with Field Service Management and Accounting systems * Daily reporting of all transactions, improve Cash flow * Designed by Australian Plumbers, we understand your business Are you interested to see how Flat Rate NOW can benefit your business? Take advantage of our 14 day Free trial - https://flatratenow.net

Mumbai, India

PureBlu is a SaaS (software as a service) app for the HVAC (heating, ventilation and air conditioning) industry.

San Francisco, California, United States

ai-native admin for HVAC

Dresden, Saxony, Germany

Software für die Gebäude– und Wärmenetzplanung.