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Air Duct Services Cleaning, Sealing, Repair and Replacement
Your ductwork carries every bit of cooled air from the air handler to your rooms. Reliance Air Services cleans, seals, repairs and replaces ducts so that air arrives where you are paying for it to go.
- ✅ License #CAC1819474
- 🏆 BBB Accredited
- 🔧 ACCA Member
- ★★★★★ 4.9 · 500+ Reviews
- 🏠 Family-Owned · Sarasota Based
- ⚡ Manatee Chamber Member
Why Ducts Matter
The Part of Your HVAC System You Never See
In most Southwest Florida homes, ducts run through an attic that bakes on summer afternoons. When a joint pulls apart, a flex duct gets crushed or insulation deteriorates, cooled air leaks into that attic and hot, dusty air gets pulled back into the system. The equipment runs longer, rooms at the end of long runs stay warm, and dust shows up faster.
Professional air duct services address all of that. Cleaning removes what has built up inside. Sealing closes the leaks. Repair fixes damaged sections. Replacement is the answer when the system is too far gone to patch.
Older homes in the region often have original ducts that were sized for a different system, while newer homes can still suffer from runs that were kinked or poorly supported during construction. Either way, the fix starts with seeing what is actually up there.
We start every job with an inspection so you pay only for the service your ducts actually need.
What We Do
Duct Cleaning, Sealing and Everything Between
Duct cleaning
Negative-pressure equipment and agitation tools pull built-up dust, debris and allergens out of supply and return runs.
Duct sanitizing
An optional treatment after cleaning for homes with odor problems or a history of moisture inside the ducts.
Duct sealing
Leaky joints and seams sealed by hand with mastic and tape, or from the inside with an aerosol sealing process such as Aeroseal.
Duct repair
Crushed, kinked, torn or disconnected sections fixed or replaced individually, then rechecked for airflow.
Ductwork replacement
New, properly sized and insulated ducts when the old system is failing, undersized or contaminated beyond cleaning.
Insulation upgrades
Better-insulated ducts gain less heat as they pass through a hot attic, so air stays colder on the way to your rooms.
Signs Your Ductwork Needs Attention
- Rooms that stay warmer than the rest of the house
- Weak airflow from some supply vents
- Dust collecting quickly on furniture and vent covers
- Musty or dusty smell when the system starts
- Cooling bills rising while the equipment seems healthy
- Visible gaps, crushed runs or torn jackets in the attic
- Debris or pests found inside the ducts
- Recent renovation, mold remediation or storm damage
Cleaning, Sealing or Ductwork Replacement in Florida?
These services solve different problems. Many homes need one; some need a combination.
| Service | Solves | Doesn't solve |
|---|---|---|
| Duct cleaning | Accumulated dust, debris and allergens inside the ducts | Air leaking out of joints and seams |
| Duct sealing | Lost airflow, hot rooms and wasted cooling from leaks | Debris already sitting inside the ducts |
| Duct repair | Specific crushed, kinked or disconnected sections | Widespread aging or poor original design |
| Replacement | Failing, undersized or badly contaminated duct systems | Equipment problems at the air handler or condenser |
How a Duct Service Visit Works
Inspection
We look at the air handler, supply and return runs and attic connections, and check airflow at the registers.
Written recommendation
You see what we found and a flat-rate price for each option before any work begins.
Protect and work
We cover floors and furnishings, seal off registers as needed, then clean, seal or repair the system.
Verify
We recheck airflow, confirm the system runs properly and walk you through the results.
Ducts and the Rest of Your Comfort System
Ductwork problems often show up as complaints about the air conditioner. A home with a surprisingly high cooling bill or an AC that will not cool the whole house may have a duct problem rather than an equipment problem. We check both so you do not replace the wrong part.
Clean, sealed ducts also support your indoor air quality upgrades and make a new system installation perform the way it was designed to. If you are already planning a replacement, it is the ideal time to evaluate the ducts too.
Local Duct Cleaning Pages
Common Questions
Air Duct Services — FAQs
How often should ducts be cleaned in Florida?
There is no single schedule that fits every home. Many homeowners clean every few years, and sooner after a renovation, pest problem, mold remediation or storm that pushed debris into the system. Households with pets or allergies often benefit from more frequent cleaning. During an inspection we can show you how much buildup is actually present.
Is duct cleaning worth the money?
It is worthwhile when there is real buildup, debris, pest contamination or an odor problem in the ducts. It is less useful when the ducts are mostly clean, and it will not fix leaks. Be wary of very low-price offers that use weak equipment. We inspect first and tell you honestly whether cleaning will help.
What is the difference between Aeroseal and manual duct sealing?
Manual sealing applies mastic or approved tape by hand to joints and seams you can reach. Aeroseal is an aerosol process that pressurizes the duct system from the inside so sealant particles collect at leaks, including ones hidden in walls or tight attic spaces. Which approach makes sense depends on where the leaks are.
How do I know if my ducts are leaking?
Common clues include rooms that never reach the set temperature, weak airflow at certain vents, excess dust, and high bills from a system that otherwise checks out. In the attic, look for disconnected joints, crushed flex duct or torn insulation jackets. A professional inspection and airflow check gives you a clearer answer.
Will sealing my ducts lower my cooling bill?
If your ducts leak meaningfully, sealing usually helps, because air you paid to cool stops escaping into the attic and the system reaches the set temperature sooner. How much you save depends on how leaky the ducts were and where they run. Sealing also tends to even out temperatures between rooms, which many homeowners notice before the bill arrives.
When does ductwork need to be replaced?
Replacement makes sense when ducts are badly deteriorated, widely disconnected, undersized for the equipment, or contaminated in a way cleaning cannot fix. Older flex duct in hot attics breaks down over time. If you are replacing your HVAC system anyway, evaluating the ducts at the same time avoids pairing new equipment with tired distribution.
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