Our Capabilities and Services

Capstone Mechanical is a professional engineering, contracting, and service company specializing in the fields of air conditioning, heating, ventilating, refrigeration, plumbing, and process heating and cooling. We strive to deliver legendary excellence with industry leading engineering, project management, trade skills, building information modeling (BIM), LEAN construction, and a safe working environment.
The team of men and women at Capstone Mechanical are dedicated to our Vision, Mission, and company Values. We know that if we want to have a positive impact on those around us, we first have to be excellent at what we do. We work diligently to make Capstone a place where people can engage in a career that makes a difference for themselves, their families, and their community.

Commercial HVAC

Installing commercial heating, ventilating, and air conditioning systems is a core competency of Capstone. We have a deep bench of seasoned trades professionals and project managers that have executed jobs all over the state of Texas and beyond. Our teams are trained in LEAN construction principles and planning. We further improve our speed and accuracy through Building Information Modeling (BIM) and use of the Hilti Total Station.


  • Air Cooled Chillers
  • Boilers
  • Computer Room Air Conditioner Units (CRAC)
  • Exhaust Fans, Variable Air Volume (VAV)
  • Hydronic Air Handlers
  • Make Up Air (MUA)
  • Packaged Terminal Air Conditioner (PTAC)
  • Refrigeration System
  • Roof Top Units (RTU)
  • Split Systems
  • Unit Heaters, Cooling Towers
  • Water Cooled Chillers
  • Water Source / Geothermal

Commercial Plumbing

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The Capstone Plumbing team consists of professionals with many years of experience and we match this with the latest in pre-fabrication, Building Information Modeling (BIM), and digital location technologies. We install all types of commercial plumbing systems, including medical gas.


  • Acid Waste
  • Backflow Prevention
  • Commercial New Construction & Remodel
  • Compressed Natural Gas (CNG)
  • Industrial Gases
  • Liquid Fuel System
  • Medical Gases
  • Natural & Propane Gas
  • Roof and Storm Drains
  • Site Utilities


  • Copper
  • PVC
  • AquaTherm
  • Uponor
  • PVDF
  • Stainless
  • Cast Iron
  • Ductile Iron

Commercial Piping

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Capstone has expertise in piping and multiple types of HVAC and Industrial systems. We work above ground, underground, or overhead. Our team prides itself in safely and efficiently planning and executing jobs from start to finish. When applicable, we use pre-fabrication, Building Information Modeling (BIM), and precisely locate piping using the Hilti Total Station. We have the ability to collaborate with our in-house engineering team to solve complex challenges. Our welders are AWS and ASME certified.


  • Chilled Water
  • Compressed Air
  • Compressed Natural Gas (CNG)
  • Condenser Water
  • Heating Water
  • Hydraulics
  • Industrial Gases and Fuels
  • Process Fluids
  • Steam/Condensate


  • Boilers
  • Chillers
  • Cooling Towers
  • Heat Exchangers
  • Pumps
  • Tanks

Check out our Portfolio

Commercial HVAC Service

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Capstone’s team of highly trained professionals have expertise working on all types of HVAC systems. All of our technicians use iPads, an electronic work order system, and the latest diagnostic tools in an effort to serve our customers with legendary excellence. All of our technicians are properly licensed with the State of Texas.

Customer Benefits

  • Fast and accurate service
  • Unmatched communication with our customers
  • Electronic reporting and billing system
  • Equipment health assessments
  • Planned Maintenance Agreement / Electronic Tasking
  • Facility Maintenance Portal

Equipment Specialties

  • Boilers
  • Chilled Water Systems
  • Computer Room A/C
  • Package Equipment
  • Refrigeration
  • VAV Systems
  • Water Source Heat Pumps

Need service? Contact us Now!

Building Information Modeling

At Capstone, we BIM almost every project whether it is required or not. This allows us great flexibility in pre-planning, pre-fabricating and coordinating before it gets to the field. On jobs where coordination is required, we often take the lead coordination role. Our BIM department can model to LOD 400. 


With registered professional engineers on staff and over 40 years of combined experience in the industry, Capstone Engineering is able to provide solutions for any conceivable HVAC or plumbing challenge. Our design/build experience ranges from retail finish-outs to 2,500 seat auditoriums to industrial process heating and cooling systems.

Our Design/Build Experience includes these types of projects

  • Medical Clinics
  • Shopping Centers
  • Office Buildings
  • Educational Facilities
  • Industrial Facilities
  • Manufacturing Facilities
  • Industrial Processes
  • Religious Facilities
  • Technology Facilities
  • And More…

Automation & Controls

Capstone has a dedicated division that designs, installs, programs, and commissions building automation systems. Our team is focused on delivering the latest state of the art technologies and control strategies that allow our customers to take control of their buildings. The days are gone where you need a separate control system for HVAC, Lighting, Card Access, and Security. These systems can be seamlessly brought together to give you complete control over your facility.

What we offer

  • Building Automation
    • Energy Management
      • HVAC
      • Lighting
      • Power Monitoring
  • Card Access
  • Security


  • Process Control
    • Chilled/Heated Water Systems
    • Custom Systems


Why a Controls System?

  • Savings
    • Increase Energy Efficiency
    • Reduce Mechanical Wear
  • Facility Oversight
    • Facility Management
    • Custom Systems
    • Monitoring
    • Custom Reports
    • Custom Alarms

The Capstone Difference

  • Team Values
  • Quality of Delivery
  • Quick Service Response
  • 24/7 Emergency Service

    Manufacturers & Systems

    • Vykon Tridium/Niagara
    • DGLux
    • Distech
    • Johnson Controls
    • Trane
    • Carrier
    • Lennox
    • BACnet
    • LON
    • Modbus