At McMillon Mechanical, we believe in doing business the right way — with honesty, integrity, and a handshake you can trust.

We’re proud to be a 100% family-owned and operated HVAC and plumbing company serving Abilene and the Big Country for over 91 years. We aren’t backed by out-of-town investors or driven by corporate quotas — we're your neighbors. And because of that, we treat every customer like family.

Since 1939, our mission has remained the same: deliver honest, high-quality service at a fair price. Whether it’s a simple repair, routine maintenance, or a brand-new installation, we’re committed to transparent, no-pressure service. That means no upselling parts or upgrades you don’t need — just what’s best for you and your home.