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Capstone is the leading provider of engineering, contracting, and service for mechanical, plumbing, and automation systems in Central Texas. We have expertise in all types of commercial and institutional buildings as well as industrial process heating and cooling. Our team of professionals combine trade expertise with sound engineering practices to deliver high quality projects at the lowest possible cost. We employ the latest technologies like Building Information Modeling (BIM), LEAN Construction, and Pre-fabrication to execute jobs in the most efficient manner possible.
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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.
Rick Tullis, P.E., is a graduate from Baylor University with a Bachelor of Science in Mechanical Engineering. He began his career by working for the Trane Company where he served in many capacities. He left the corporate world in 2001 to work for a mechanical contractor before becoming a founding partner of Capstone in 2005.
To be the preferred mechanical professionals in Central Texas. Our long term goal is to be the most sought after company in our area for the products and services we provide and to provide those products and services with the highest skill and integrity from every team member. To serve customers with legendary excellence.
Capstone Mechanical takes safety very seriously and continually trains and promotes safety in all of our departments. Safety is a core value and we care passionately about the safety of our people. Our Behavior Based Safety program focuses on modifying our team member's behaviors and promoting safe actions through training, field observation and team member feedback.
Reviews (5)
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Jason Appelhans
Apr 12, 2022
Critical: Professionalism, Quality, Value Probably the worst A/C company in Waco to work with and work for. A lot of favoritism and upper management problems. Many coworkers left before i did and many left after. Past 2 months over 15 Commercial A/C workers left. Pay is not very good and a ton of empty promises.
Mike Farmer
Feb 02, 2018
Dont call their "after hours commercial line" you will never speak to a person ever just a voicemail. Yeah NOT service at all.
Stephen Bird
Apr 12, 2014
Always on time, professional service and they always call before the technician is scheduled to arrive.
Brent Brookshire Jr
Jun 20, 2013
I have heard great things about Capstone and their owner. I used them on a house call but was less than satisfactory. The Capstone employee was very friendly. He looked at my condenser, filled it with freon and washed out the vents with my water hose while we waited for the system to adjust to the newly added freon. After he was finished we discussed the pricing for the job.

Though the employee said to save money he would only charge a diagnosis fee and freon. He informed me that by Capstone's standards he should charge me $300 for "cleaning the condenser vents" plus the freon. He showed me his official capstone pricing book and showed the area that said "cleaning the condenser" - $300. This seemed shocking to me. The use of my water and my hose for five minutes while during our wait for the condenser, to adjust to the freon, would cost me 300 dollars is absurd.
Renee Van Treuren
Oct 25, 2011
Capstone Mechanical has always provided us prompt and outstanding service. They are very knowledgeable and helpful.