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615 Insulation, insulation company in Nashville TN 615-431-3789

Air Sealing, Comfort & Efficiency

Duct sealing and insulation so the air your system makes actually reaches the room

Leaky, uninsulated ducts in a hot attic or damp crawl space waste a lot of what the HVAC system produces.

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Duct Sealing & Insulation

Ducts often run through the hottest and coldest parts of the house. Leaks at the joints and boots lose conditioned air, uninsulated ducts gain and lose heat and rooms at the end of the run never feel right.

We seal and insulate ducts across Nashville and Middle Tennessee. We brush mastic on seams and boots, replace torn and kinked flex duct where needed, wrap ducts in insulation and check airflow at the registers so comfort improves in the rooms that complain.

What you get

Done right, from the first walk-through

01

Mastic on seams and boots

Leaks sealed for good.

02

Duct wrap and sleeves

Insulation around the trunk and branches.

03

Kinked flex replaced

Smooth runs for airflow.

04

Register airflow check

Comfort measured where it matters.

The process

How your service comes together

  1. 1

    Inspect the ducts

    We check seams, boots, kinks and insulation.

  2. 2

    Seal and insulate

    Mastic and insulation are applied.

  3. 3

    Check airflow

    We verify improvement at the registers.

FAQ

Common questions about duct sealing & insulation

Can I seal ducts myself with tape?

Common cloth duct tape fails quickly. Mastic and approved foil tape last.

Should ducts be insulated in the attic?

Yes. Without insulation, they lose a large share of their heating and cooling.

Do you replace ducts?

We repair and replace damaged sections where needed and coordinate with your HVAC contractor for bigger changes.

Let us help with your duct sealing & insulation

Call, text or send the form. Tell us about the building, what bothers you and when you hope to start, and we will take it from there.

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