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Therma: The $466M HVAC Giant Hiding in Plain Sight
Why this 50-year-old mechanical contractor dominates California's industrial landscape
While tech startups chase unicorn valuations, Therma quietly commands $466.5M in annual revenue by solving the unsexy but critical problem of keeping California's industrial facilities running. This isn't a SaaS platform—it's a 1,149-person mechanical engineering powerhouse that's been profitable since before most founders were born.
"In an era of digital disruption, Therma proves that deep engineering expertise and client relationships create moats that algorithms can't touch."
The Industrial Infrastructure Playbook
Therma's 50-year run as California's leading commercial HVAC contractor reveals a counterintuitive truth: the most defensible businesses often aren't the flashiest. With 63% direct traffic and 31% organic search, their digital footprint is modest, but their client relationships run deep. They're not chasing SEO rankings—they're maintaining critical systems for hospitals, data centers, and manufacturing facilities where downtime costs millions. The top search term 'therma' (3,060 monthly searches) isn't even a keyword play—it's brand recognition from decades of reliable service.
The Hidden Growth Engine
While their traffic numbers seem modest compared to consumer tech, Therma's 31,008 monthly visits represent high-intent industrial buyers. The search data reveals sophisticated engineering queries: 'cooling capacity of a closed loop chilled water system' (140 monthly volume) and 'ducting start to condense when ceiling is installed' (280 monthly volume). These aren't casual browsers—they're facility managers and engineers solving complex problems. The 63% direct traffic is particularly telling: when your HVAC system fails at 2 AM, you don't Google—you call Therma directly.
The leadership team tells the story of operational excellence. Scott Carstairs (EVP Fabrication), Francis Wong (EVP Finance), and Jack Brunner (Director SoCal Process Piping) represent a blend of engineering and financial discipline that's rare in heavy industry. With 19 technologies detected in their stack—from jQuery to Zendesk—they're not Luddites, but they're also not distracted by the latest tech trends. Their tech stack serves the business, not the other way around.
- Deep moat in California's industrial HVAC market with 50+ years of relationships
- High-intent traffic profile: 63% direct, 31% organic, minimal paid dependency
- Engineering-first culture with 1,149 specialists across fabrication, piping, and process engineering
- Revenue scale ($466M) that rivals many public companies, yet operates privately
- Technical search dominance in niche industrial queries with real commercial intent
The Unsexy Billion-Dollar Formula
Therma's playbook: dominate a critical niche, build unbreakable client relationships, and let operational excellence compound over decades. In a world obsessed with disruption, there's immense power in being indispensable.
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Therma | California's Full Service Mechanical, Fabrication & HVAC Service
For over 50 years, Therma has been delivering client-driven mechanical solutions as one of California's leading commercial HVAC contractors.
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About therma.com
For over 50 years, Therma has been delivering client-driven mechanical solutions as one of California's leading commercial HVAC contractors.
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therma.com uses 19 technologies across their website including Font Awesome, Google Fonts, reCAPTCHA, PHP, and more.
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Font Awesome, Google Fonts
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reCAPTCHA
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PHP
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WordPress
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Cloudflare
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Zendesk
Traffic & Audience
therma.com receives approximately 31.0K monthly visitors and ranks #659,175 globally. The website has a bounce rate of 35% with visitors viewing an average of 4.9 pages per visit. Users spend an average of 1:58 on the site.
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