As the nation’s largest producer of clean, carbon‑free energy, and a leading supplier or energy products and services, Constellation is committed to supporting customers achieve their energy goals.
We provide a growing portfolio of energy solutions designed to support your business. In 2025, we expanded our HVAC Preventive Maintenance services to commercial customers across the Houston metro area to help enhance system performance, improve reliability, and better manage ongoing operational costs.
Our Capabilities & Qualifications
Services & Capabilities
Constellation knows you need more than energy to keep your business humming. That is why we provide high quality service through dependable Authorized Service Providers in Houston, Texas who can look after your systems.
- HVAC Preventive Maintenance Plans
Licenses & Qualifications
The quality of our professionals is our priority. We provide customer service and specialized training, we require our specialists to be fully licensed, insured, and bonded. Among the licenses we require are:
- TACLA – #00107498R
- TECL -#349159
- TSCP – #684
- TX Plumbing – #43217
Our Commitments
A Commitment to Our Customers
We are committed to exceeding our customers’ expectations. This starts with our employees, who are dedicated to being the very best at what they do. Our culture creates an environment where we can focus on what matters most — delivering the best service and experience to our customers.
A Commitment to Clean Energy
We encourage the use of energy-saving products and services wherever possible. Similarly, we promote regular service and maintenance of heating and cooling systems to help manage energy usage and improve overall equipment efficiency.
A Commitment to the Communities We Serve
We are proud to support the communities we serve by being a responsible corporate citizen. Our employees participate in a variety of community activities, including nonprofit boards, volunteer activities, and local trade associations.
Our Company
History
Since our founding in 1999, we have been motivated by the goal of becoming the best energy provider, earning your business through a commitment to service, reliability and innovation.
In our quest to provide the energy and services to transform our future, our innovations are part of meeting the challenges of the climate crisis while creating better options for customers. In addition to providing energy and maintenance services, we offer comprehensive energy solutions for commercial businesses.
Contact Us
Service is our focus and our passion. We welcome the opportunity to provide you with additional information, details about services and availability, and to answer any questions you may have.