Probook’s $40M Haul Signals an AI Revolution for Home Services

NEW YORK, NY – June 23, 2026 – In a move that sends a powerful signal across the tech and trades landscape, Probook, the AI Operating System for home service businesses, has secured a formidable $40 million in capital. The funding, comprising a $34 million Series A led by Andreessen Horowitz (a16z) and a $6 million Seed round from Sequoia Capital, marks a significant validation for a company built not in a sterile boardroom, but from the front lines of the very industry it aims to transform.

For years, home service operators—from local plumbers to multi-state HVAC giants—have been caught in a frustrating cycle of tech adoption. They’ve purchased a patchwork of AI tools: a voice agent to answer calls, a chat widget for the website, a follow-up tool for leads. Each 'point solution' promised efficiency but delivered fragmentation, creating a disjointed experience for customers and operational headaches for staff. Probook’s thesis is that this approach is fundamentally flawed. The company argues that the true heart of any home service business isn't the lead-gen funnel; it's the dispatch center. And by rebuilding the entire tech stack around this critical nerve center, they are not just offering a new tool, but a new way to operate.

From the Field to the Code: A Founder's Insight

To understand Probook’s unique advantage, one must look past the venture capital headlines and into the lived experience of its CEO and co-founder, George Eliadis. “I started Probook to solve a problem in my own business,” Eliadis stated, reflecting on his formative years. “I grew up pressure washing in upstate New York with my dad. Six summers in the truck. I’d be up on a ladder washing a house and miss calls because I couldn't hear my phone ringing.”

This wasn’t a theoretical problem discovered on a spreadsheet; it was the daily reality of lost revenue and customer frustration. Eliadis later embedded himself for a summer inside TR Miller, a $40 million HVAC, plumbing, and electrical shop in Illinois that would become Probook’s first customer. There, he saw his family's challenges magnified to an industrial scale. The core issue remained the same: dispatch was a chaotic, high-stakes game of telephone, and the existing technology wasn't built to solve its core complexities.

“Most AI vendors flocked to this space because it looked attractive on a spreadsheet,” Eliadis continued. “We came to it because we grew up in it. Dispatch is the hardest problem in home services. If you don't start there, you can't understand the business.” This 'founder-market fit'—a deep, authentic understanding of the customer's pain—is what convinced top-tier investors that Probook wasn’t just another software vendor. Konstantine Buhler, Partner at Sequoia Capital, which backed the company from its seed stage, noted, “Most founders building for the trades have never worked in them. George has. Pair that with the team's outlier technical depth, and you see why we backed Probook at Seed and why we're doubling down now.”

The $40 Million Bet on a Unified System

The dual investment from a16z and Sequoia is a rare and powerful endorsement. It represents a major bet that Probook’s integrated, dispatch-first model is the future for an industry ripe for disruption. The platform’s architecture is a direct response to the failures of piecemeal solutions. Instead of separate tools for intake, messaging, and scheduling, Probook provides a single operating system where every function shares one context layer.

From the moment a customer makes contact, they are on a single text thread with a single number. Every inbound lead is answered with perfect information because the AI has access to the entire operational picture—technician availability, skills, job history, and location. Bookings are automatically cleaned and verified before being assigned. This allows human dispatchers and customer service representatives to move from managing every routine task to managing only the exceptions, fundamentally changing their role and impact.

David Haber, General Partner at Andreessen Horowitz, explained the firm's strategic thinking. “Dispatch is the nerve center of every home service business, and Probook built their entire platform around it,” he said. “It's a years-old structural moat.” Haber's comment underscores a key investment thesis in vertical AI: true value is created not by adding another feature at the periphery, but by owning and optimizing the most critical decision-making process at the core of the business.

Real-World Impact: Beyond the Hype

For Probook’s customers, the impact is not theoretical; it's measured in jobs booked, overhead reduced, and points added to EBITDA. Summers Plumbing, Heating & Cooling, which runs 14 locations with 260 technicians on the platform, booked an astonishing 2,542 jobs in its first month with zero human intervention. This level of automation frees up staff to focus on higher-value activities and provides a seamless, immediate experience for customers.

Similarly, Peterman Brothers, a major operator, leveraged Probook to centralize its dispatch operations across 11 markets and 200 technicians without adding a single person to its overhead. “That scalability is critical to how we grow,” confirmed CEO Chad Peterman. At Del-Air, an 8-location operation in Florida, CEO Rick Rogers noted that they chose Probook over other AI vendors specifically because “they know dispatch.” The results speak for themselves, with the company reportedly more than doubling the productivity of its dispatch team.

These testimonials illustrate the power of an integrated system. By unifying intake, data scrubbing, customer messaging, and outbound campaigns, Probook enables operators to run their customer experience as one connected system, eliminating the data silos and communication gaps that plague businesses running on a fragmented tech stack.

Scaling with Purpose: The Road Ahead

With $40 million in fresh capital, Probook plans to aggressively scale its go-to-market, engineering, and customer success teams to meet what it describes as “surging demand.” However, the company’s expansion strategy is notably different from the “sell and forget” model common in SaaS. Probook maintains a high-touch, in-person deployment process, configuring the platform alongside a customer's front-line teams and staying accountable for the outcomes.

This hands-on approach is crucial for navigating the challenges of a fragmented industry and overcoming the inertia of traditional workflows. Yet, challenges remain. The company faces stiff competition from established, end-to-end players like ServiceTitan, and scaling its bespoke, high-touch implementation model will test its operational capacity. Nonetheless, Probook's deep industry empathy and its unwavering focus on solving the hardest problem first have given it a powerful head start. By building from the dispatch center outward, the company has created a system that doesn't just streamline tasks but fundamentally reimagines how a modern home service business can operate.