Houston’s Go-To Mechanical Contractor
ALL your mechanical systems
Every System
One call
40+
Years of Experience
10,000+
Service Calls Completed
4hr
Response Time
24/7
365 Availability
Brands We Service
About OnPoint Mechanical
A Partner, Not Just a Provider
OnPoint Mechanical is a family-owned and operated commercial mechanical services company serving the greater Houston area. With over 40 years of combined experience, our team delivers reliable, high-quality HVAC, plumbing, generator, and building automation services.
We treat every property as if it were our own — providing honest assessments, transparent pricing, and lasting solutions. When you work with OnPoint, you get a team that answers the phone at 2 AM and shows up within 4 hours.
Our Services
Full-Service Mechanical Solutions
Commercial HVAC & Mechanical Services
From rooftop units and chillers to complex industrial piping systems, our licensed technicians install, repair, and maintain HVAC equipment for buildings of all sizes. We specialize in energy-efficient solutions that reduce operating costs while maintaining optimal comfort.
Installation · Preventive Maintenance · Emergency Repair · Energy Audits
Commercial Plumbing & Water Systems
Full-service commercial plumbing covering tenant improvements, renovations, and emergency repairs. Our licensed plumbers handle water supply systems, drainage, backflow prevention, water heater installations, and leak detection and repair for properties across the Houston metro area.
Water Supply · Drain & Sewer · Backflow Testing · Water Heaters
Generator & Emergency Power Solutions
Ensure uninterrupted power for critical operations. We install, maintain, and repair commercial generators and emergency power systems, including load testing, automatic transfer switches, and fuel system maintenance. Hurricane-ready power solutions for Houston businesses.
Installation · Load Testing · Maintenance Plans · Emergency Repair
Building Automation & Controls
Transform your building into a smart, efficient facility. We design, install, and maintain advanced building management systems (BMS) that optimize energy usage, improve occupant comfort, and provide real-time monitoring of all mechanical systems from a single dashboard.
BMS Integration · Energy Management · Remote Monitoring · System Upgrades
Frequently Asked Questions
OnPoint Mechanical proudly serves the greater Houston, TX metropolitan area including Katy, Sugar Land, The Woodlands, Pearland, Pasadena, Baytown, Conroe, as well as Waco, Tyler, Longview, and Central and East Texas. Our generator services are available nationwide such as Louisiana and Oklahoma.
Yes! We provide 24/7/365 emergency mechanical services with a four-hour response time guarantee. Call or text us anytime at (346) 423-4454.
We service all major brands and types of commercial HVAC systems including rooftop units, split systems, chillers, cooling towers, VRF systems, and building automation controls.
Absolutely. All OnPoint Mechanical technicians are fully licensed and insured. Our Mechanical License is TACLA 35660C and Plumbing License is NPL 44659.
Yes, we offer same-day estimates at no cost for all our services. Contact us to schedule your free estimate today.
We serve hospitals and healthcare, data centers, manufacturing, pharmacies, veterinary facilities, office buildings, educational institutions, and more.
Yes, we offer comprehensive preventive and predictive maintenance programs designed to minimize downtime and extend equipment life.
For emergency calls, we guarantee a four-hour response time, 24/7/365. For standard service requests, we typically schedule within 24-48 hours.