Business Details
50+ Years
experience
Trusted HVAC Products & Services in Houston
Founded in 1956 by mechanical engineer Harry Grant, H D Grant has established itself as a leader in the HVAC industry. Our company specializes in supplying high-quality products and services that meet the evolving needs of commercial and industrial clients. With over six decades of experience, we have built a reputation for reliability, innovation, and cost-effective solutions. Our team of 27 dedicated professionals, including three HVAC engineers, ensures comprehensive support across Southeast Texas. We maintain a 20,000-square-foot warehouse in Houston stocked with essential HVAC components like exhaust fans, fire dampers, and VAV boxes.Our partnerships with industry leaders such as Greenheck and Price Industries underscore our commitment to excellence. Over the years, we have earned 126 awards for achieving sales milestones and maintaining consistent performance. Our mission remains focused on customer satisfaction through superior service and product quality. We pride ourselves on fostering strong relationships with both clients and manufacturers, ensuring mutual success. Today, under the leadership of Harry D. Grant, Jr., we continue to deliver tailored HVAC solutions that address complex challenges while upholding the highest standards of integrity and professionalism.
Services
HVAC Product Supply
Custom Air Distribution
Technical Support
Vendor Partnerships
Factory Tours
Details
- Year established: 1956
Highlights and features
- We have over 60 years of specialized expertise in HVAC product distribution.
- Our partnerships with industry leaders like Greenheck and Price Industries ensure top-tier quality.
- We maintain a 20,000-square-foot Houston warehouse for rapid product availability.
- Our team includes three dedicated HVAC engineers for technical support.
- We have earned 126 awards for sales excellence and customer service.
Services
HVAC Product Supply
We distribute a comprehensive range of HVAC components including exhaust fans, fire dampers, and VAV systems. Our Houston warehouse ensures quick delivery for commercial and industrial projects. With partnerships like Greenheck and Price Industries, we provide reliable, code-compliant solutions tailored to client specifications.
Custom Air Distribution
Our team designs and supplies custom air distribution systems for laboratories, industrial facilities, and commercial buildings. We offer displacement ventilation, underfloor air distribution, and sound attenuation products to optimize indoor air quality and energy efficiency for specialized environments.
Technical Support
Three dedicated HVAC engineers provide system design guidance, product selection, and troubleshooting assistance. We offer technical documentation, performance calculations, and on-site support to ensure optimal system integration and long-term operational efficiency for complex projects.
Vendor Partnerships
We represent leading HVAC brands like Greenheck, Price Industries, and Donaldson, delivering their innovations to Texas markets. Our partnerships enable clients to access cutting-edge products with manufacturer-backed warranties and performance guarantees for diverse application requirements.
Factory Tours
We arrange guided visits to manufacturing facilities for hands-on product demonstrations and technical training. These tours help clients understand system capabilities, installation best practices, and maintenance protocols directly from engineering teams at partner companies like Price and Greenheck.
People
Harry D. Grant, Jr.
President and Chief Operating Officer
Harry D. Grant, Jr. (Danny) has led H D Grant as President and COO for 30 years, continuing his father's legacy of HVAC industry leadership and innovation.
John Gilbert
Sales Manager
John Gilbert has served as Sales Manager for over 30 years, overseeing our Houston team and maintaining long-term client relationships through exceptional service and product expertise.
Questions
What HVAC products does H.D. Grant offer?
We supply exhaust fans, fire dampers, VAV boxes, vibration isolation systems, and other HVAC components for commercial and industrial applications.
How long has H.D. Grant been in business?
H.D. Grant has served the HVAC industry since 1956, providing over 60 years of expertise and service.
What areas does H.D. Grant serve?
We primarily serve Southeast Texas from our Houston warehouse and office location.
Can I request a factory visit for HVAC products?
Yes, we arrange factory visits to partners like Price and Greenheck upon request for hands-on product insights.
What technical support does H.D. Grant provide?
Our team includes three HVAC engineers who offer specialized technical assistance and system optimization guidance.
