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.

Fleet Repair and maintenanance

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

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!

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

Janitorial service, building engineer/maintenance service

Profitability Partners provides fractional CFO services exclusively for home services contractors including HVAC, plumbing, roofing and electrical companies. Our senior partners bring backgrounds from private equity (Black Diamond Capital, Third Lake Partners) and industry leadership (Apex Service Partners) to deliver institutional-quality financial management to growing contractors. We specialize in ServiceTitan and QuickBooks integration, monthly financial close processes, KPI dashboard creation, margin analysis, and cash flow optimization. Whether owners are focused on growth or preparing for an eventual exit, we help position their financials for maximum enterprise value. With 25+ contractor clients nationwide, we understand the unique financial challenges of the trades and help owners make better decisions with better numbers.