Duct Sealing & Insulationin Miami Gardens, FL

Measured duct leakage testing and sealing so the air you pay to cool reaches the rooms.

Insulated flexible air ducts in a residential attic

Duct Sealing & Insulation for Miami Gardens buildings

Fifty-year-old ductwork is the weak point of many houses in Carol City and Norland: collapsed insulation, joints that have opened up, and returns that pull air from the garage or attic. A pressure test tells us how much air is being lost, and sealing or replacing the ducts often lowers the electric bill more than a new air conditioner would.

Typical duct systems lose a significant share of their air through leaks at joints and connections. In a Florida attic that means cooled air is lost into a space that is hotter than outdoors, while return leaks draw humid, dusty attic air into the house.

We measure leakage with a duct pressure test before and after the work, so you have a figure to judge the result by.

Why seal the ducts

  • Lower run times and electric bills
  • More even temperatures between rooms
  • Lower indoor humidity
  • Less dust entering through return leaks
  • A smaller, cheaper system may be enough at the next replacement

How it works

  1. We pressure-test the duct system and record total leakage.
  2. We seal joints, boots and plenums with mastic and approved tape.
  3. We repair or add insulation where it is missing or damaged.
  4. We retest and give you the before and after numbers.

Duct Sealing & Insulation in Miami Gardens: questions

Is duct sealing worth it on an older home?

Older homes usually benefit most, as long as the duct material itself is still sound. If the ducts are deteriorated, replacement is the better investment and we will say so.

Is a permit required for HVAC work in Miami Gardens?

Installing or replacing air conditioning equipment in Miami Gardens requires a mechanical permit and a final inspection. Permits here are issued by the City of Miami Gardens Building Services Division. Repairs, maintenance and cleaning do not need one. We file the paperwork and attend the inspection.

My house in Miami Gardens still has an old electrical panel. Can I install a new AC?

Usually, but the panel and the breaker have to be rated for the new equipment. We check the panel during the estimate. If it needs an upgrade, a licensed electrician does that work under its own permit before the air conditioner is installed.

Why is one side of my house always hotter?

In single-storey block homes it is normally a duct problem: a disconnected or crushed run, or a system that was never resized after an addition. We measure airflow at every register and fix the cause, which costs far less than replacing the equipment.

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Duct Sealing & Insulation in Miami Gardens

Call (786) 856-7466 for the next available appointment in Miami Gardens.

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