Full air quality assessment
Room-by-room particulate readings, humidity checks at the return and supply, static pressure measurement, and a visual inspection of the coil, drain pan, blower, and duct system. You get the numbers in writing.
Licensed
Licensed & Bonded
Fully Insured
Insured & Bonded
24/7 Emergency
Same-Day Response
Warranty Backed
44+ Years Trusted in Orlando
What our indoor air quality service includes
Every job is different, but most of our Orlando air quality visits include the following. If your situation needs something outside this list, we will tell you upfront what it costs before we start.
Filtration upgrade
We cut in a media cabinet sized for your blower and install a MERV 11 to MERV 16 filter. The cabinet is sealed with mastic and foil tape so air goes through the filter, not around it.
Duct sealing and repair
We seal accessible duct joints, reconnect separated flex runs, and replace collapsed sections. Duct leakage is the number one source of attic particles in Orlando homes, so this step matters more than most people realize.
Purification equipment
UV lamps at the evaporator coil, bipolar ionization, or a whole-home HEPA bypass, depending on what your test results show. We wire it to the air handler and verify it is running before we leave.
Humidity control
If indoor humidity is above 55 percent, we recommend a whole-home dehumidifier or a system adjustment to bring it down. High humidity is what feeds mold and dust mites, so this is not optional in Central Florida.
Post-install verification
We re-test particulate levels and static pressure after the work is done and show you the comparison. You also get a written filter change schedule and a walkthrough of any new equipment controls.
Indoor air quality Orlando FL: what it actually means
Indoor air quality Orlando FL is the measurement and management of the air inside your home, covering particulates, humidity, chemical vapors, and biological contaminants that a standard air filter was never designed to catch. A 1-inch fiberglass filter stops about 10 percent of what floats through your return grille. A proper setup uses a MERV 11 to MERV 16 media filter, a sealed duct system, and often a UV or bipolar ionization stage to handle what the filter misses. We test first, then build the solution around your actual numbers.
Central Florida is a rough place for indoor air. The house stays closed up for months of air conditioning season, humidity sits between 60 and 80 percent outdoors for most of the year, and that moisture feeds mold spores, dust mites, and mildew in the ductwork. Older homes in College Park and Baldwin Park still run original flex duct with gaps at every joint, which pulls attic air straight into your living room. If you have been searching for indoor air quality testing Orlando FL near me, the first step is finding out what is actually in your air before you spend a dollar on equipment.
How our indoor air quality process works
Every job follows the same five steps. No guessing, no upsell before we have data. Here is exactly what happens from the first phone call to the final walkthrough.
01
Schedule
Call or book online — a real human picks up and confirms a 2-hour arrival window.
02
Diagnose
Licensed tech inspects on-site, then walks you through the cause and your options.
03
Fix
The job is completed to code and done right the first time — no shortcuts, no surprises.
04
Guarantee
Every job backed by a written workmanship warranty — and we stand behind it.
Tools and methods we use
Tools & Equipment
Handheld particle counter
Measures airborne particulate levels room by room so we know what is actually in your air before recommending anything. This is the tool that turns a sales pitch into a diagnosis.
Manifold gauges and refrigerant scale
Used during system checks to verify charge and confirm the coil is running at the right temperature for proper dehumidification. A coil that is not cold enough will not pull moisture out of the air.
Clamp meter and multimeter
Verifies blower motor amp draw and capacitor health. A weak blower moves less air, which means filtration and purification equipment cannot do their job.
Duct cleaning vacuum and leak detector
Removes accumulated debris from duct runs and identifies leaks at joints and plenum connections. Duct leakage is the most common air quality problem we find in Orlando attics.
Fin comb and tube cutter
Straightens bent coil fins and cuts copper line set cleanly during coil or drain pan work. Bent fins restrict airflow and reduce the coil's ability to remove moisture.
Honeywell and Ecobee air quality monitors
Installed with compatible thermostats so you can see real-time particulate and humidity readings. That data tells you whether your filtration is still working months after the install.
Methods & Standards
ACCA Manual D duct design
We calculate proper duct sizing and static pressure targets before modifying any ductwork. Undersized returns are one of the most common reasons filtration upgrades underperform in Orlando homes.
AHRI-certified equipment matching
Filtration and purification equipment is matched to your air handler so the system performs as rated. Mismatched components can choke airflow and hurt both comfort and efficiency.
EPA Section 608 refrigerant handling
All refrigerant work follows EPA Section 608 rules. If a coil replacement or line set modification is needed during air quality work, it is done to code and documented.
Building Performance Institute (BPI) diagnostics
We use BPI whole-home diagnostic principles to evaluate the house as a system, not just the equipment. Duct leakage, pressure imbalances, and humidity all interact, and treating them together works better than fixing one at a time.
When Orlando homeowners call us for air quality
01
A family moves into a 1970s ranch house in Apopka with original flex duct in the attic.
What we do: We test the air, find duct leakage above 25 percent, and seal or replace the accessible runs. Then we install a media cabinet and a MERV 13 filter at the air handler.
→ Particulate counts drop by more than half, and the family stops waking up congested. Cooling bills drop 10 to 15 percent from reduced runtime.
02
A Lake Nona homeowner notices a musty smell every time the AC starts and sees dark spots on the coil.
What we do: We clean the evaporator coil, correct the drain pan pitch, clear the PVC drain line, and install a UV lamp wired to the air handler.
→ The smell is gone the same day. The UV stage keeps the coil dry and prevents regrowth between maintenance visits.
03
A Winter Park family with two dogs and a cat cannot keep up with the dust and pet dander.
What we do: We upgrade filtration to MERV 16, seal the return plenum, and add a bipolar ionization stage to handle airborne dander and odors.
→ Visible dust drops noticeably within two weeks. The homeowner reports fewer allergy flare-ups and less frequent dusting.
04
A downtown Orlando condo owner has humidity above 65 percent and condensation on the windows.
What we do: We measure humidity at the return and supply, verify the coil is dehumidifying properly, and add a whole-home dehumidifier sized for the square footage.
→ Indoor humidity settles between 45 and 55 percent. Window condensation stops, and the space feels noticeably drier.
How air quality work runs in Orlando
Orlando's climate drives almost every air quality problem we see. From May through October, the house stays closed up with the AC running, and outdoor humidity sits between 60 and 80 percent. That moisture gets pulled into the return air, and if the coil is not removing it properly, it ends up feeding mold and dust mites in the duct system. Attic temperatures hit 140 degrees in July, which is why duct leakage matters so much here. A 20 percent leak in a 140-degree attic pulls hot, insulation-laden air straight into your supply. Older homes in College Park and Baldwin Park often still have original flex duct with separated joints, while newer construction in Lake Nona and Dr. Phillips tends to have tighter ducts but undersized returns. We adjust the approach based on what we find. If you are searching for whole house air filtration Orlando options, the answer is different for a 1950s bungalow than for a 2018 build, and we test both the same way.
Neighborhoods We Serve
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College Park
Many homes here date to the 1940s and 1950s with original or partially replaced duct systems. Duct leakage and undersized returns are common, so sealing and return upgrades usually deliver the biggest air quality gains.
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Lake Nona
Newer construction with tighter envelopes means less outdoor infiltration but also less natural ventilation. Humidity control and filtration upgrades matter more here than duct sealing in most cases.
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Winter Park
A mix of historic homes and newer builds. We see a lot of mature tree canopy, which means heavy pollen loads in spring and debris in outdoor units. Filter change intervals often need to be shorter here.
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Downtown Orlando
Condos and high-rises have shared mechanical spaces and limited duct access. We work within HOA rules and often recommend in-unit purification equipment that does not require duct modification.
Local Conditions We Plan For
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Year-round high outdoor humidity
Indoor humidity above 55 percent feeds mold and dust mites. We size dehumidification and verify coil performance so indoor humidity stays in the 45 to 55 percent range.
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Attic temperatures above 130 degrees in summer
Duct leakage in a hot attic pulls insulation particles and heat into supply air. Sealing ducts is often the single biggest air quality improvement we make in Orlando homes.
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Spring pollen season from February through May
Oak and pine pollen loads spike, and standard filters load up fast. We recommend MERV 13 or higher and shorter filter change intervals during those months.
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Hurricane season from June through November
Homes stay sealed up for days during storms, and power outages can leave moisture in the system. We check for biological growth after extended shutdowns and clean coils when needed.
College Park duct sealing and filtration
Air quality problems we fix in Orlando homes
Most of the calls we get fall into a handful of categories. If any of these sound familiar, a test will tell you which one you are dealing with and what it takes to fix it.
Problem
Dust returns within two days of cleaning
Constant dusting, aggravated allergies, and a filter that loads up in weeks instead of months. It usually means duct leakage or an undersized filter.
Our Fix
We seal the duct system, cut in a properly sized media cabinet, and verify static pressure so the blower is not starving for return air. Most customers see visible dust drop by half within the first month.
Problem
Musty smell when the AC runs
That smell is biological growth on the evaporator coil or in the drain pan. Left alone, it spreads through the duct system and into every room.
Our Fix
We clean the coil, correct the drain pan pitch, clear the PVC drain line, and install a UV lamp at the coil. The smell is gone the same day in most cases, and the UV stage keeps it from coming back.
Problem
Allergy symptoms worse indoors than outdoors
Pollen, dander, and mold spores recirculating through the house. Standard 1-inch filters do not catch particles that small.
Our Fix
We upgrade to a MERV 13 or higher filter, seal the return plenum, and add purification if the test shows biological contaminants. Customers with allergies usually notice a difference within one to two weeks.
Problem
Indoor humidity stays above 60 percent
Sticky air, clammy floors, and ideal conditions for mold and dust mites. High humidity also makes your AC work harder to feel comfortable.
Our Fix
We measure humidity at the return and supply, check the coil for proper dehumidification, and recommend a whole-home dehumidifier or system adjustment. Getting indoor humidity to 45 to 55 percent solves most of the biological problems on its own.
Why Orlando homeowners invest in cleaner air
Air quality work is not cosmetic. It changes what you breathe, how your system runs, and how often you dust. Here is what our Orlando customers notice most after we finish a job.
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Fewer allergy symptoms
A MERV 13 filter paired with a whole home air purifier Orlando Florida setup removes pollen, dander, and mold spores down to 0.3 microns. Customers with seasonal allergies routinely tell us they stop waking up congested within two weeks. For homes near Lake Eola and the downtown tree canopy, that difference is measurable.
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Lower cooling bills
A dirty evaporator coil and a clogged filter force your compressor to run longer to hit the same thermostat setting. Cleaning the coil and upgrading filtration typically drops runtime by 10 to 15 percent. On a 2,000 square foot Orlando home, that is real money every month from June through September.
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Less dust on surfaces
Duct leakage pulls attic insulation particles into your supply air. Sealing the ducts and adding a media cabinet cuts visible dust on furniture and ceiling fans by a wide margin. Most customers dust half as often after we seal and filter a system properly.
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Moisture and mold control
Orlando humidity is the root cause of most indoor air complaints. We pair filtration with a properly sized dehumidification strategy and a UV light air purifier Orlando Florida stage to keep the evaporator coil and drain pan dry. That stops the biological growth that feeds odors and spores.
Licensed, certified, and reviewed
Licensed & Certified
- NATE Certification — issued by North American Technician Excellence
- EPA Section 608 Universal — issued by U.S. Environmental Protection Agency
- Florida HVAC License (Class A) — issued by Florida Department of Business and Professional Regulation
- AHRI Certified Equipment Matching — issued by Air-Conditioning, Heating, and Refrigeration Institute
- OSHA Safety Compliance — issued by Occupational Safety and Health Administration
Verified Reviews
Google ★★★★★4.9
They tested our air before recommending anything, which no other company did. Found duct leakage in the attic and sealed it. The particulate readings dropped by more than half. Fair price, clean work, and they explained everything in plain language.
Yelp ★★★★★4.8
Called about a musty smell from the AC vents. They found mildew on the coil, cleaned it, fixed the drain pan, and installed a UV lamp. Same-day service and the smell was gone by evening. Highly recommend for anyone in Orlando dealing with odors.
BBB ★★★★★4.9
We have used them for maintenance for years and finally had them do a full air quality upgrade. Media cabinet, MERV 13 filter, and duct sealing. The house feels different. Less dust, fewer allergy issues. They stand behind their work.
Google ★★★★★5.0
Professional from the first phone call. Showed up on time, tested the air, gave us a written report, and quoted the job before starting. No pressure, no upsell. The whole-home purifier has made a real difference for my wife's allergies.
Four decades of Orlando air quality work
Orlando HVAC Air Conditioning has been serving Central Florida since 1982, which means 44 years of working on the same housing stock, the same humidity, and the same seasonal pollen cycles. Our technicians hold NATE certification and EPA Section 608 credentials, and we install equipment from Carrier, Trane, Lennox, Goodman, Rheem, York, Mitsubishi Electric, and Daikin. We follow ACCA standards for load calculation and duct design, and we hold a Florida HVAC license. When we tell you a duct system is undersized, that is based on a Manual D calculation, not a guess.
- NATE-certified technicians with EPA Section 608 refrigerant handling credentials
- 44 years serving Orange County and the greater Orlando metro since 1982
- ACCA Manual D duct design and Manual J load calculation on every install
- AHRI-certified equipment matching for verified efficiency ratings
- Building Performance Institute (BPI) trained on whole-home air diagnostics
What Orlando customers say
Real experiences from customers who chose our Indoor Air Quality services.
“My son has asthma and we were waking up every night with him coughing. They tested the air, found the duct joints in the attic were wide open, and sealed everything plus added a MERV 13 cabinet. Two weeks later his inhaler use dropped noticeably. They showed me the before and after particulate readings on paper, which I appreciated.”
M
Marisol R.
Homeowner, College Park
“We had that musty smell every time the AC kicked on. Turned out the evaporator coil was growing mildew because the drain pan was not pitched right. They cleaned the coil, fixed the drain, and installed a UV lamp. The smell is gone. Took about four hours and they cleaned up everything before they left.”
D
Derek T.
Homeowner, Lake Nona
“I called three companies for quotes on a whole home purifier. Two of them tried to sell me equipment before even looking at my system. These guys tested first, told me my return was undersized, and fixed that before installing anything. Price was fair and the airflow in the back bedrooms is finally what it should be.”
P
Priya N.
Homeowner, Winter Park
Frequently asked questions about Orlando air quality
Real answers to the questions we hear most often from local homeowners and property managers.
How can I improve indoor air quality in Orlando FL?
Start with a MERV 11 to MERV 13 filter and a sealed return plenum, which together remove most airborne particulates. Next, seal duct leaks, because Orlando attics hit 140 degrees and pull insulation particles into your supply air. If humidity stays above 55 percent indoors, add dehumidification. For biological contaminants, a UV lamp at the coil handles mold and mildew growth. Most homes see a measurable drop in particulates within a week of these fixes.
How much does an air purifier cost in Orlando?
Typical 2026 pricing in the Orlando area runs $450 to $1,200 for a whole-home media filter and cabinet install, and $900 to $2,400 for a UV or bipolar ionization system tied into the air handler. Portable room units run $150 to $600 but only treat one room. The air purifier installation cost Orlando Florida homeowners pay depends on duct condition, electrical access at the air handler, and whether the plenum needs rebuilding.
Do I need an air purifier in Orlando Florida?
If anyone in the house has allergies, asthma, or you notice dust returning within days of cleaning, yes. Orlando's humidity and year-round pollen load make indoor air worse than most people assume. Homes with pets, older flex duct, or a history of moisture issues benefit most. A $150 test tells you whether you need one before you spend $1,500 on equipment.
Who installs whole home air purifiers in Orlando?
A licensed HVAC contractor with EPA Section 608 credentials and experience tying purification equipment into the air handler. We install Carrier, Trane, Lennox, Honeywell, and LG systems, and we size the equipment to your blower's static pressure so you do not choke airflow. Call us at 689 315 0679 and we will schedule a test and quote in one visit.
Other services that support cleaner air
AC Repair
A failing blower motor or a refrigerant leak degrades airflow and lets the coil run wet, which feeds mold growth. Fixing the mechanical problem first is often the fastest way to improve air quality in an Orlando home.
View AC RepairEmergency AC Repair
When your system dies in July and the house sits at 88 degrees with the windows closed, humidity spikes fast. We get the system back online so your filtration and dehumidification equipment can keep doing its job.
View Emergency AC RepairAC Installation & Replacement
A new system is the right time to add a media cabinet, seal the plenum, and size the return properly. We build filtration into every replacement we install so you are not retrofitting later.
View AC Installation & ReplacementAC Maintenance & Tune-Ups
Twice-a-year maintenance keeps the evaporator coil clean and the drain line flowing. A dirty coil is the single most common cause of musty odors and elevated particulate counts in Orlando homes.
View AC Maintenance & Tune-UpsHeating Repair
Heat exchangers can crack and introduce combustion byproducts into your supply air. We inspect and repair heating equipment with air quality in mind, not just temperature.
View Heating RepairHeat Pump Services
Heat pumps run year-round in Central Florida, so the coil and drain pan stay wet more often. We service reversing valves, defrost boards, and coils to keep moisture and biological growth under control.
View Heat Pump ServicesContact Our Orlando HVAC Team
Call us any time, day or night, and a live dispatcher will schedule your visit. We run same-day appointments across Orlando and the surrounding communities, and we answer the phone 24/7 for emergencies. Reach us at 689 315 0679 or send an email and we will get back to you fast.
Orlando HVAC Air Conditioning
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Phone
689 315 0679 -
Address
6000 N Orange Blossom Trl, Orlando, FL 32808
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Hours
Mon–Fri: 7AM – 7PM
Sat: 8AM – 4PM
Sun: Emergency Only
24/7 Emergency Available