Dedication Built on Experience
Carlos Marquez has devoted more than three decades to HVAC - always focused on earning and keeping the trust of families and businesses across Tampa Bay. After graduating from Erwin Technical College in 1994, Carlos quickly rose through the industry ranks, serving first as a junior technician, then as a service manager within six years. Receiving his HVAC contractor license in 2002, he helped lead a local business before founding Tri-State Heating & Air Conditioning in 2009. Every step of the way, Carlos has adapted to changes in technology and the needs of Florida homeowners. With experience informing every project, our team believes in providing clear, honest guidance - never just a sales pitch. Through ongoing education, hands-on work, and a dedication to customer satisfaction, we make it our mission to bring lasting comfort and dependable solutions to every property.


Complete HVAC Services
- Price on quotation
- Price on quotation
- Price on quotation
Benefits of Working With Us
Expertise
With over 30 years serving clients in Gibsonton and Tampa Bay, you benefit directly from technical expertise built on real-world problem solving and continuous learning. Each recommendation is based on deep industry knowledge, so your HVAC system is designed for comfort, efficiency, and Florida's challenging climate.
Integrity
We believe every homeowner and business deserves honest answers and transparent pricing. You will never be pushed toward unnecessary products. Instead, we focus on practical solutions with clear explanations and upfront estimates - building trust through every interaction.
Comprehensive
Enjoy complete peace of mind with round-the-clock emergency service, support for all major brands, custom design for new or remodeled spaces, maintenance contracts, flexible payment options, and robust 10-year equipment warranties. Every service is tailored for long-term savings and comfort.



















