Dust and pollen keep circulating indoors.
A higher-efficiency HVAC filter can capture more fine particles, provided your system can handle it without restricting airflow.
A portable air purifier helps in one room, but what about the rest of your house? Whole-home air purification works with your HVAC system to capture dust, pollen, and other airborne particles as air circulates. It's a way to improve filtration throughout your home, not just one space.
CityLine Air Conditioning installs whole-home air purifiers, upgraded filters, and HVAC UV lights across Dallas-Fort Worth. Filters capture airborne particles, while UV lights help control growth on indoor coils. We'll check your existing equipment and recommend options that work with your system.

Not every home needs an expensive air purifier. But if your current filter isn't doing enough, these signs can help you decide whether an upgrade is worth considering.
Dust and pollen keep circulating indoors.
A higher-efficiency HVAC filter can capture more fine particles, provided your system can handle it without restricting airflow.
You have pets at home.
Pet hair and dander add to the particles circulating through your house. Better filtration can help capture more of them, although regular filter changes still matter.
Your portable purifier only covers one room.
A whole-home air purifier works through your ducted HVAC system, helping filter air from multiple rooms as it circulates.
Your air filter doesn't fit properly.
Gaps around the filter allow air and dust to slip past it. A correctly fitted filter or upgraded filter housing can help prevent this.
Your indoor AC coil keeps developing buildup.
An HVAC UV light installed near the coil can help limit microbial growth on surfaces exposed to the light. It doesn't replace regular maintenance.
Cooking smells or smoke linger in the house.
Standard particle filters don't remove most odors and gases. Ventilation and specialized filters designed for gases may be more appropriate.
Not sure air purification is the answer? If your home feels too damp or dry, explore humidifiers and dehumidifiers. If dusty attic air is entering through leaky return ducts, consider duct repair and sealing. You can also start with indoor air quality testing or explore our full range of indoor air quality services.
The price follows what your current HVAC system needs. A compatible replacement filter may be a simple upgrade. Adding a media filter cabinet, an in-duct air cleaner, or a UV light can involve more equipment and installation work. We check available space, filter fit, and airflow before pricing the options, and you'll receive a written explanation of the recommended work and its cost.

They're often advertised as if they solve the same problem. They don't. Start with what you want to address: airborne particles, certain odors, or buildup on the cooling coil.
| Option | What it can help with | What you should know |
|---|---|---|
| Higher-MERV HVAC filter | Captures more of certain fine particles passing through the filter. | The blower and filter slot must support the added resistance. |
| Whole-home media filter cabinet | Provides more filter surface area for a compatible high-efficiency filter. | It needs space, proper sizing, and ongoing filter changes. |
| In-duct air cleaner | Capabilities vary by model, including particle capture or treatment technologies. | Ask what the specific device removes, how it's tested, and whether it emits ozone. |
| HVAC UV-C coil light | May help limit microbial growth on exposed damp cooling-coil surfaces. | It does not collect dust or replace filtration and moisture control. |
| Portable HEPA air cleaner | Filters air in a specific room, independently of the central HVAC fan. | Choose a suitable clean air delivery rate for the room and run it as directed. |

Our team includes NATE-certified technicians and professionals trained on Amana, Daikin, and Carrier equipment. That experience matters when installing whole-home air purifiers, upgraded filtration, or UV lights that need to work alongside your existing heating and cooling system.
You don't necessarily need a new air conditioner or furnace to improve your home's filtration. We install compatible air purification equipment and can incorporate upgrades into your existing HVAC setup, helping you improve indoor air quality without turning it into a full system replacement.
Questions about your installation or need help arranging service? Our phones are answered 24/7, including evenings and weekends. With an established Richardson office and technicians serving homes across DFW, you have a local team to contact before and after your air quality upgrade.
Call (972) 776-4455 and describe your concern. Is it airborne dust, pets, pollen, coil buildup, or lingering odors? That helps us focus on an appropriate solution.
Your technician reviews the filter location, accessible indoor components, and the system's airflow requirements, and you'll see iPad photos of what they find. We'll determine whether a higher-efficiency filter or additional equipment is compatible.
We'll explain what each proposed upgrade targets, what it won't solve, and what maintenance it needs. Each option comes with its price, and installation waits for your approval.
After the approved work, we'll check operation, show you the equipment, and point out which filters or lamps need attention and where to find the manufacturer's replacement guidance.
Book Now
No cooling or no heat? Call (972) 776-4455, day or night.
You don't need to know the difference between MERV, media filtration, and UV-C to call us. Call CityLine Air Conditioning at (972) 776-4455 or book online, and tell us what's bothering you and what kind of HVAC system you have. We'll help determine whether a whole-home upgrade is worth considering.
Mention the filter size or rating if you know it. We'll review whether a different filter or a media cabinet could capture more airborne particles without restricting the system.
A UV light won't fix a moisture problem, and odors usually need more than a filter. We'll explain when ventilation, source control, or another service deserves attention first.
4.7stars on Google reviewsWondering whether your HVAC system could filter more? Call (972) 776-4455 · Book Online
We install filtration and air-cleaning upgrades from our Richardson office, serving Plano, McKinney, and the other DFW cities listed below. The right setup can look different in an older house with an attic furnace than in a newer home with a dedicated filter cabinet. Our Dallas visits cover 75225, 75229, and 75230; on the Fort Worth side, it's 76179.
Our Service Area
Don't see your street? Call (972) 776-4455 and ask.
The technicians were professional and very knowledgeable. We had our AC serviced, new Gas Furnace installed with air purifier, and also had our air ducts cleaned. I would go to CityLine first before any other company!
Kyle Cooper
The technician, Alberto, arrived on time, knew the equipment he was working on, was very professional, and was happy and very thorough.
Alann Nevarez
They contacted us in a timely manner, were on time for the service call and took care of the issues.
Jeffrey N.
Alberto Nevarez was great. Helped inform us of everything we needed to know plus extra. He went above and beyond to educate us as new home buyers of our systems and needed maintenance. 10 out of 10 would recommend
Tony A.
CityLine came to my home to check my unit for heating for this winter and were excellent. Technician Jay Jones was superb! He explained in detail everything he reviewed and gave me confidence in the service provided. 10/10! Would recommend to everyone!
Ryan F.
Travis came by to do a check up on the system. He's very courteous and friendly. All is well with the system.
Adrien C.




May 5, 2026You might not think much about dust. It gathers on shelves, settles on furniture, and seems like nothing more than a minor household annoyance.
May 4, 2026It’s 2:00 PM on a July afternoon in Dallas-Fort Worth. The thermostat reads 97°F outside, and you just realized your AC is not turning on.
May 4, 2026You’re sitting in your living room when your air conditioner kicks on and something sounds… wrong. Maybe it’s a metallic banging that wasn’t there last week.
It depends on the room. Central filtration treats air moving through your ducts, while a portable cleaner runs in one room regardless of the thermostat. Some homes use both.
It can be, for limiting microbial growth on a damp cooling coil. It won't remove dust, pollen, or existing moisture damage, so it works alongside filtration, not instead of it.
Some electronic air cleaners can, depending on the device. The EPA advises avoiding products that intentionally make ozone, so ask for independent ozone-emission test results before you buy.
Usually not. Standard particle filters aren't built for gases, and activated carbon media work only with plenty of material. Kitchen exhaust and removing the source still matter most.
It can, since filtration works only while the blower moves air through the filter. Longer runtime also uses electricity and can affect humidity, so ask which setting suits your system.
Office hours 8 AM to 6 PM, with phones answered around the clock.