About · Rockwall, Texas
Built on know-how, not a showroom.
McCool Home helps homeowners heat and cool their houses the smart way: the right equipment, sized correctly, with a real person to call when you have a question.
Veteran-owned
Founded by a U.S. Navy veteran who served during Desert Storm.
30+ years in HVAC
Including 20 years focused on mini-split and VRF systems, from homes to commercial buildings.
Local to Texas
Based in Rockwall and serving Dallas–Fort Worth, with systems shipped across Texas.
Why “McCool”?
The name comes from Finn McCool, the Irish giant of legend who won his toughest fight by thinking it through instead of throwing a punch. That’s how we approach every job: know the equipment, think the problem through, and have the right partner in your corner.
Part of the McCool family
McCool Home
For homeowners: DIY systems, installation through licensed partners, and help when a job gets stuck.
McCool Supply
For contractors: wholesale HVAC, plumbing and electrical supply. McCoolSupply.com
Trident Thermal Solutions
For commercial projects: VRF and chiller systems for engineers, owners and contractors.