First Co.

This National Climate Week, we’re recognizing the role HVAC plays in creating more efficient, comfortable, and sustainable buildings. At First Co., we’re committed to building solutions designed for lasting performance and a more efficient tomorrow.

Comfort is more than a number on a thermostat.
It's a quiet place to gather.
A welcoming dining room.
A good night's sleep.
A space that feels like home.
During National Assisted Living Week, we're recognizing the people and communities working every day to create those moments.

Success is built together. Since 1966, First Co. has grown through strong partnerships, trusted performance, and a shared commitment to delivering reliable HVAC solutions.

Today, we pause to remember the lives lost on September 11, 2001, and honor the families, first responders, service members, and countless individuals whose lives were forever changed.

60 years wouldn’t have been possible without you. We’re grateful to our employees who have been part of the First Co. journey. Here’s to celebrating 60 years of success and looking forward to what’s ahead.

Holiday Notice

In observance of Labor Day, First Co. will be closed on Monday, September 7th. We'll resume regular business hours on Tuesday, September 8th.

We wish everyone a safe and meaningful Labor Day.

One space, countless possibilities. From multifamily communities to commercial buildings and institutional spaces, First Co. delivers HVAC solutions designed to meet the needs of every environment.

We’re grateful to the Gunn & Pegelow team for taking the time to visit and tour our Dallas and Arlington facilities. We always appreciate the opportunity to welcome industry partners, share what we do, and showcase the hard work and dedication that goes into creating quality products. Thank you for spending time with our team, we enjoyed having you here!

60 years of experience, with our eyes on what's ahead. First Co. continues to create smarter HVAC solutions and set the standard for what comes next.

60 years of engineering comfort, reliability, and performance. From 1966 to today, First Co. Continues to build solutions designed to last.