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Olsen Air LLC

Veteran- and family-owned company serving all of North Texas. Residential and commercial HVAC, mechanical and plumbing service. Master Certified.

Proudly owned by U.S. Marine Corps veteran David Olsen. Call (469) 554-9748. Veteran and Family owned and operated HVAC business. We service both commercial and residential, and NEVER charge extra for an emergency. Make us your first call or your last. You will not regret it.

10/23/2026

Every building has a backstage.

The people inside see a comfortable space. Behind it are HVAC and mechanical systems that deserve just as much attention. Olsen Air LLC provides commercial HVAC and mechanical service across all of North Texas.

Based in Rockwall. Veteran and family owned and operated. Master Certified.

Need service for your building? Call (469) 554-9748 or message us here on Facebook.

10/21/2026

Your thermostat isn’t a turbo button. 😅

If your home feels too warm or too cool, pushing the thermostat far past the temperature you actually want generally won’t make a typical system get there faster. Set it for comfort and give the system time to respond.

If it keeps falling short of the setting, or one room feels noticeably different from the rest, note what you’re seeing and when. That’s useful information to share with a qualified HVAC professional.

Olsen Air LLC is veteran and family owned and operated, Master Certified, and serves all of North Texas from Rockwall. For residential or commercial HVAC, mechanical, or plumbing service, call (469) 554-9748 or message us here on Facebook.

10/19/2026

Plot twist: Olsen Air does plumbing, too. 🔧

The name may say Air, but our work covers more than heating and cooling. Olsen Air LLC provides residential and commercial plumbing service across all of North Texas, alongside HVAC and mechanical service.

If a fixture is leaking, a drain is repeatedly slow, or something else has changed, tell us what you’re seeing and where it happens. Our team can help determine the next step.

Veteran and family owned and operated. Master Certified. Based in Rockwall, serving all of North Texas.

Call (469) 554-9748 or message Olsen Air LLC here on Facebook.

10/16/2026

North Texas is more than our service area. It’s home.

Olsen Air is proud to support Rockwall-Heath athletics and the Forney Youth Athletic Association (FYAA Spartans). We love seeing local families, coaches, and young athletes show up for one another.

That spirit matters to the Olsen family. Erica Olsen is active in community board service and philanthropic efforts. David Olsen, a proud Marine Corps veteran, runs the business, and his sons work in the field.

Thank you to the neighbors and organizations that make North Texas such a strong community. We’re glad to be part of it.

Olsen Air LLC | Veteran and family owned and operated | Serving all of North Texas

10/14/2026

Comfort changed at work? Start with three details.

If your office, shop, or commercial space feels different than usual, make a quick note of:

WHERE: Which room or area is affected?
WHEN: When did it start, and is there a time of day you notice it most?
WHAT CHANGED: Describe what you’ve noticed, such as a warmer room, less airflow, or a new sound.

Share those observations when you call for service. You don’t need to diagnose the problem or open equipment panels. Leave electrical, refrigerant, and mechanical repairs to a qualified professional.

Olsen Air LLC provides commercial HVAC and mechanical service across all of North Texas, along with residential HVAC and residential and commercial plumbing services.

Veteran and family owned and operated. Master Certified.
Call (469) 554-9748 or message Olsen Air LLC on Facebook.

10/12/2026

Before you need the heat, make a plan for it.

Fall is a good reminder to put professional heating maintenance on your calendar. Whether your home uses a furnace or a heat pump, annual professional maintenance belongs in your comfort routine.

Not sure when your system was last serviced? Let’s talk about your heating-service needs before you’re relying on it every day. Leave equipment panels, electrical components, and gas-system work to a qualified professional.

Olsen Air LLC serves homes and businesses across all of North Texas with HVAC, mechanical, and plumbing services.

Veteran and family owned and operated. Master Certified.
Call (469) 554-9748 or message Olsen Air LLC on Facebook.

10/09/2026

Family operated means the family is part of the work.

Olsen Air LLC is run by David Olsen, a proud United States Marine Corps veteran, with his sons working as operators in the field.

The Olsen name on the business belongs to the family behind it. We’re proud to serve homes and businesses across all of North Texas with HVAC, mechanical, and plumbing services.

Thank you to our customers and neighbors for supporting a veteran- and family-owned business. From the Olsen family to yours, have a great weekend!

Master Certified.
Call (469) 554-9748 or message Olsen Air LLC on Facebook.

10/07/2026

That steady drip deserves attention.

Take a quick look around your home: listen for faucets that keep dripping after they’re turned off, and look under sinks for unexpected dampness, puddles, or water spots.

These simple observations can help you notice a possible leak. Leave repairs and plumbing connections to a qualified professional.

Olsen Air LLC provides residential and commercial plumbing services across all of North Texas, along with HVAC and mechanical service.

Veteran and family owned and operated. Master Certified.

Call (469) 554-9748 or message Olsen Air LLC on Facebook.

10/05/2026

Your business has enough moving parts. Comfort should support the work, not interrupt it.

Olsen Air LLC provides commercial HVAC and mechanical service across all of North Texas, along with residential and commercial plumbing services.

Planning maintenance or dealing with a comfort concern at your facility? Let’s talk about what your building needs.

Veteran and family owned and operated. Master Certified.

Call (469) 554-9748 or message Olsen Air LLC on Facebook.

10/02/2026

The work behind the scoreboard deserves a cheer.

Olsen Air is proud to support Rockwall-Heath athletics and Forney Youth Athletic Association (FYAA/Spartans). To the athletes putting in the practice, the coaches giving their time, and the families showing up: thank you for making our community stronger.

The Olsen family believes in giving back and cheering on the next generation. Keep working hard, looking out for your teammates, and representing your community with pride.

From our family to yours, have a great weekend!

Olsen Air LLC | Veteran and family owned and operated
HVAC • Mechanical • Plumbing | Serving all of North Texas
(469) 554-9748

Address

Rockwall, TX
75098

Telephone

+14695549748

Website

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