Top Hvac Startups in 2026

Sparkfund is an energy technology subscription company based in Washington, D.C. We give customers access to essential building energy functions and outcomes — like cold air, light and resilience to storm events — without the constraints of ownership, enabling them to do more energy projects, faster, and with fewer resources. We strive to create positive change by deploying solutions that are good for business and good for the planet. And we’re building a diverse and collaborative culture to help us achieve all of that.

Delta Controls is the benchmark for building controls manufacturers, being one of the most respected organizations in our industry, with more than 300 installers in over 80 countries. For more than three decades Delta Controls has offered innovative and exciting building automation solutions for commercial, healthcare, education, leisure buildings and more. As industry leaders, our track record includes delivering the world’s first fully integrated native BACnet building solution encompassing HVAC, lighting and access products.

Mojave products have two systems inside: an innovative liquid desiccant system to manage humidity plus a modern vapor compression system to control temperature. This allows each process to perform efficiently. As a result, you get improved comfort and excellent reliability at a similar price along with lower energy and increased sustainability. Our initial product is currently in field trials. We are looking for commercial partners and building test sites. If you are a Sales Rep, please sign up to qualify to sell our equipment. If you are a building owner/operator, please sign up to beta test our equipment on your building!

Proven residential HVAC franchise system throughout the US. 350 plus locations. Looking to bring the concept to the Memphis area. USP is focused on higher income homeowners for service, preventative maintenance and change outs. High level of professionalism in an industry that is lacking. Offers private labeled products, huge buying power with rebates up to 20% from internal buying group. 20% EBIT is the national average. Call Brett at 901/302-6069

HVAC Company - Air Conditioning, Plumbing & Heating Repair across Phoenix, Arizona.

OWON Technology is an IoT device manufacturer and solution provider specializing in smart energy management, HVAC control, Zigbee devices and building automation. Our product portfolio includes smart energy meters, smart thermostats, Zigbee sensors and devices, IoT gateways and connected controls for residential and commercial applications. Selected solutions support technologies such as MQTT, HTTP, Modbus, Zigbee, Zigbee2MQTT, Home Assistant and open APIs for integration with IoT, BMS and EMS platforms. We work with distributors, system integrators, HVAC companies, energy management solution providers, IoT brands and OEM/ODM partners across international markets.

Windmason Arabia engineers advanced HVAC and evaporative cooling systems designed to elevate everyday living. Our commitment lies in creating healthier, more sustainable indoor environments while contributing to national progress through innovation and energy-efficient technologies. Through our smart HVAC, manufacturing, consulting, and energy solutions, we integrate advanced technologies with expert teams to deliver cleaner air and reduced CO₂ emissions. Our solutions support sustainable growth in cities and industries, while enhancing well-being and quality of life.