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The Best Air Duct Sealing Services Casselberry
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SERVING Casselberry, FL
The Best in Air Duct Sealing
Air ducts are often hidden in hard-to-reach areas, making it easy to overlook leaks that allow cool air (and your money!) to escape. Filterbuy HVAC Solutions use proprietary Aeroseal technology to seal these gaps to ensure your system runs efficiently and leak-free.
Using a non-toxic, industry-leading sealant, we seal ducts from the inside to prevent energy loss. Just like a leaky faucet, unsealed ducts can waste hundreds or even thousands of dollars over time. If you suspect leaks, don’t wait—sealing your ducts could cut your energy bill by up to 50%.

AC Installation
When it comes to your comfort and energy bills, cooling systems have the biggest impact. We are experts in matching high-efficiency, reliable, and affordable AC solutions to your home, region, and preferences. That’s what makes us Filterbuy HVAC Solutions.

AC Repairs
Air Conditioners only break down when you need them, which is why we respond quickly so you can be cool and comfortable in your home. Depend on Filterbuy HVAC Solutions for an honest assessment of your repair job.

Yearly AC Tune-Up
Give your AC equipment the check-up it deserves! Regular maintenance will help ensure small issues don’t become big ones.

HVAC Care Plan
Our premium maintenance contract makes sure that all components of your HVAC system receive preventative maintenance on schedule to avoid wallet-busting problems.

Duct Repairs
If your duct’s structural integrity has been compromised (dislodged, punctured, crushed) it will need to be repaired, replaced, and resealed.

Duct Cleaning
Duct cleaning removes years of dust and debris to improve indoor air quality and address allergic reactions.

Duct Sealant
A non-toxic, water-based formula that seals all holes in your air ducts, so cool air is not wasted.

UV Light Installation
Create the healthiest indoor air quality by installing Filterbuy’s Germicidal UV Light. Kill microscopic pollutants, bacteria, and odor 24 hours a day.

Ionizer
Ionizers are a new technology that targets pollutants down to .01 microns in size. Think virus, mold spore, VOCs and more.

Attic Insulation
Low levels of attic insulation will make your AC unit work harder to keep your rooms cool, because heat will transfer through your ceiling. Maximize the energy efficiency of your home with proper attic insulation for south Florida.

Dryer Vent Cleaning
Cleaning dryer vents requires experience and the right tools. Once on site, your Filterbuy HVAC Solutions specialist will inspect the severity of lint build up. Our powerful vacuum & brush technique will guarantee the removal of hard to reach compacted lint.
OFFERING ALL MAJOR BRANDS YOU TRUST















AND MORE…
Signs Your Air Ducts Need Sealing
Leaky air ducts can reduce your home’s comfort, drive up energy costs, and overwork your HVAC system. If you notice excess dust even with clean filters, it could mean air is escaping through gaps in your ductwork.
One of the most expensive consequences of leaky ducts is higher energy bills. When cooled air escapes into your attic or other unconditioned spaces, your HVAC system works harder to compensate, wasting energy and increasing costs. Sealing your ducts helps restore efficiency, reduce expenses, and improve overall indoor comfort.
Common Signs of Leaky Ducts:
- Excess Dust Buildup
- Dusty Vents & Registers
- Visible Insulation in Vents
- Uneven Room Temperatures
- Weak Airflow from Vents
- Rising Energy Bills
- A/C Running Constantly
- Inconsistent Indoor Comfort



Introducing the Best Aeroseal HVAC Air Duct Sealing Service Company in the Greater Casselberry Area
ZIP Codes Covered
32707, 32718, 32719, 32730, 32751, 32792
Seasonal Comfort at Unbeatable Prices
Explore Our Casselberry HVAC Specials


Get Comprehensive A/C Maintenance for only $1 a Month
Stop worrying about your A/C – let us do that for you. See for yourself the difference being a Care Club member will make without any obligations or strings.
- Two Annual Tune Ups
- Drainline Flushes
- Free Emergency Call
- Condenser Coil Cleaning


There’s Clean, And There’s UV Clean.
Labor and parts included! Create the cleanest indoor air and live the healthiest life possible with a antimicrobial UV light system. Working in the background, your UV light emits a sterilizing level of UV radiation to neutralize harmful contaminants that are too small to be captured by a filter — like bacteria, viruses, mold spores, and other too small to see contaminants.
- Reduce Risk of Illness & Disease
- Soothe Allergy & Asthma Symptoms
- Freshen Your Space
- Extended HVAC Lifespan
SUBMIT THE FORM BELOW TO SAVE BIG!
WHAT YOU GET
YOU DESERVE THE BEST FOR YOUR AIR DUCT SEALING SERVICES
Once on-site, your Filterbuy HVAC Solutions technician will inspect your air duct system, identify leaks, and confirm the sealing plan with you.
After sealing the ducts, we conduct thorough testing to ensure airtight efficiency, reducing energy waste and enhancing overall home comfort.

Free Quotes
Get pricing quickly with a free estimate.

Interest-Free Financing
Special financing is available for new AC installations.

Flexible Appointments
Your time is valuable, and we make sure you have appointment options that fit your busy schedule.

Licensed Technicians
Our technicians will exceed your expectations with expert service completed on-time and to code.

Honest Warranty
1y labor warranty comes standard with all installs - but extended labor warranties are available.

24-Hour Customer Service
We’re available when you need help. 24 hours a day, 7 days a week.
HOW IT WORKS
Our Simple, Hassle-Free Air Duct Sealing Process
1
Inspection & Leak Detection
Our technician inspects your duct system to identify leaks and inefficiencies.
2
Preparation & Cleaning
Ducts are prepped and cleaned to ensure proper adhesion of the sealing solution.
3
Sealing Application
We apply an industry-leading sealant to close gaps and prevent air leakage.

Testing & Verification
The system is tested to confirm airtight seals, improved airflow, and energy efficiency.
AVAILABLE TAX CREDIT
New A/C systems that meet Energy Star requirements can become more affordable by qualifying for tax credits and other incentives.
Federal Tax Credit
Qualifying A/C systems receive
of the project cost, up to $600.
Qualifying heat pump systems receive
of the installation cost, up to $2,000.

A Guide For Casselberry Homeowners
Explore our interactive presentation to learn about air duct sealing.

Air Duct Sealing FAQs
Everything You Need to Know in Casselberry
What is air duct sealing and why is it important?
Air duct sealing means closing leaks, gaps and loose connections in your home’s ductwork. This stops energy from being wasted. It also improves airflow and makes your home more comfortable. In Casselberry, sealing ducts is extra important. The humid weather and older HVACs make leaks more common.
How can I tell if my air ducts are leaking?
Watch for signs like uneven room temperatures and high energy bills. Also check for too much dust or musty smells. If your HVAC runs longer than normal or some rooms stay too hot or cold, your ducts might be leaking. A professional inspection can confirm the issue.
How much can I save with air duct sealing?
According to ENERGY STAR, sealing ducts improves system efficiency by up to 20%. Many Casselberry homeowners notice lower energy bills within a month after service. Over time, it can save hundreds of dollars annually.
Is air duct sealing worth it for newer homes?
Yes. Even in newer homes, ducts can be poorly connected or improperly sealed during construction. A quick inspection identifies issues early and helps maintain your system’s efficiency from the start.
How long does the duct sealing process take?
Most homes in Casselberry can be completed in 2–4 hours depending on size and complexity. Filterbuy’s technicians use specialized tools to ensure a fast, clean, and effective seal with minimal disruption.
Homeowner’s Guide
Introducing the Best Aeroseal HVAC Air Duct Sealing Service Company in the Greater Casselberry Area
Trusted Air Duct Sealing in Casselberry for Lower Energy Bills
Casselberry’s warm, humid weather means your HVAC system works hard all year. But hidden duct leaks could be wasting up to 30% of your heated or cooled air—raising bills and reducing comfort.
That’s why homeowners choose Aeroseal HVAC air duct sealing in Casselberry, FL. At Filterbuy HVAC Solutions, we’ve helped thousands of locals fix uneven temperatures, extra dust, and HVAC strain by sealing air leaks fast.
Using proven tools and local experience, we restore airflow and cut energy waste. This page shows how our Aeroseal process works—and the real results you can expect in a Casselberry home.
Top Takeaways
- Up to 30% of air is lost through leaky ducts.
- Sealing can boost HVAC efficiency by 20%.
- Unsealed ducts pull in dust and allergens.
- Filterbuy HVAC Solutions delivers fast, proven results.
- Start with a free duct inspection.
Seal Hidden Leaks, Save Energy, and Breathe Easier in Your Casselberry Home
Air duct leaks are a major cause of high energy bills in Casselberry homes. These hidden gaps force your HVAC system to work harder just to keep your home comfortable. That leads to uneven temperatures, poor indoor air, and rising utility costs. If ignored, it can even cause your system to wear out faster and need costly repairs.
That’s where Filterbuy HVAC Solutions comes in. As a trusted HVAC air duct sealing company in Casselberry, FL, we find and seal these leaks using proven tools and smart techniques. Our team checks your ductwork, seals the problem areas, and tests airflow to make sure your system runs better.
We understand the duct issues common in Florida homes—especially in older or renovated houses.
The result? More comfort, cheaper energy, and cleaner air are the results. Duct sealing is a smart and fast way to save money, reduce dust and make your home more efficient.
“In many Casselberry homes we check, people are surprised to find they’re losing up to 30% of their heated or cooled air through hidden duct leaks. After sealing thousands of systems across Florida, we’ve seen that fixing these leaks is one of the fastest ways to improve comfort, lower energy use, and keep your HVAC system running strong.”
What We See in Casselberry Homes—and What the Data Backs Up
At Filterbuy HVAC Solutions, we inspect homes in Casselberry every day. These key stats match what we see firsthand—and they show why Aeroseal HVAC duct sealing services in Casselberry, FL really matter.
1. Up to 30% Air Loss from Leaky Ducts
- Most homes we check lose 25–30% of their air through unsealed ducts.
- This forces your HVAC to work harder and costs more to operate.
- Matches U.S. Department of Energy findings.
🔗 energy.gov
2. Up to 20% Energy Savings
- Homeowners often see lower energy bills after sealing—sometimes in the next billing cycle.
- ENERGY STAR confirms up to 20% improvement in HVAC efficiency.
🔗 energystar.gov
3. Leaky Ducts = Dirty Indoor Air
- We often find attic dust, insulation, and crawl space air pulled into homes.
- The EPA warns these leaks reduce indoor air quality.
- Sealing helps create a cleaner, healthier space.
🔗 epa.gov
Bottom Line:
If you’re noticing high bills, uneven airflow, or allergy issues, hidden duct leaks may be the cause. Filterbuy’s proven sealing process fixes these problems fast.
Final Thought & Expert Opinion
At Filterbuy HVAC Solutions, we’ve sealed thousands of duct systems across Casselberry. Here’s what we know from experience:
- Duct leaks are often hidden but costly.
- They lead to uneven temperatures, poor air quality, and higher utility bills.
- Most homeowners don’t realize they have a problem—until we show them.
Why Duct Sealing Matters
We’ve seen dramatic results:
- Homes become more comfortable—immediately.
- Air becomes cleaner and easier to breathe.
- Bills drop noticeably, sometimes within the first month.
3 Key Takeaways
- Don’t wait until HVAC problems pile up—act early.
- Older homes in Casselberry are especially prone to leaky ducts.
- Duct sealing pays off in comfort, savings, and system longevity.
Bottom line:
If you’re dealing with hot and cold spots, rising energy costs, or dusty airflow, duct sealing is likely the fastest, most affordable fix. Based on what we’ve seen with HVAC duct sealing cost in Casselberry, FL, it’s a smart investment—and we recommend it confidently.
Next Steps: What to Do Now
Follow these simple steps to improve your home’s comfort, air quality, and energy efficiency:
1. Book a Free Inspection
- We check your ducts for leaks and airflow issues.
- No pressure, no obligation.
2. Review Your Custom Sealing Plan
- Get expert recommendations based on your home’s needs.
- Clear pricing, no surprises.
3. Schedule Your Service
- Choose a time that works for you.
- Quick, professional installation.
4. Feel the Results Fast
- More comfort. Cleaner air. Lower bills.
- Often noticeable in the first month.
5. Stay Connected
- Sign up for home maintenance tips and seasonal deals.
Why Choose Filterbuy for Your Air Duct Sealing?
Better airflow, lower bills, and a longer-lasting HVAC system.
- We Price Fairly: We’ll match any legit competitor.
- Flexible Financing: $0 down, 0% interest for qualified installs.
- Upfront Pricing: No changes after your quote.
- Trusted Warranty: Aeroseal gives you 10 years of coverage.
- Labor Warranty: 1 year on all work we do.
- 24/7 Help: Support whenever you need it.
Enter your information and we will contact you promptly.