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How UV Lights Improve Your Indoor Air Quality
UV lights aren’t just for hospitals anymore. They’re becoming a trusted part of modern HVAC systems, especially for homeowners who value clean air and wellness. These lights are installed near your indoor coil or inside the ductwork, where moisture can build up and create the perfect spot for unwanted growth.
Let’s break down how adding a UV light to your AC can protect your home.
- Help reduce mold and biofilm inside your HVAC system
- Cut down on germs, viruses, and bacteria passing through the air
- Keep your HVAC components cleaner, which can help extend system life
- Work quietly in the background with no effort from you
You won’t smell anything or hear anything, but over time, you may notice your air stays fresher and your system runs cleaner.
Adding UV technology is like giving your HVAC system a built-in germ-fighting upgrade.



The Right UV Light for Your AC System
There are a few types of AC system UV lights out there, and not all of them work the same. Choosing the right one means knowing how your system runs, where the light should be placed, and what your air quality needs are. The right setup gives you maximum germ-fighting power without wasting energy or money.
Here’s how we help you make the right call.
Coil Sterilization UV Lights
Mounted near the evaporator coil to prevent mold growth, these are great for humid environments or older systems with known issues.
Air Sterilization UV Lights
Installed in the return air duct, these treat moving air and are better for families dealing with allergies, pets, or recurring colds.
Dual Lamp Systems
Combines both coil and air sterilization. Great for homeowners who want maximum protection.
We’ll let you know if your setup is a good fit—and we’ll be honest if we think you don’t need one.

Why Livonia Homeowners Trust Comfort Craftsman
We’re not a big-box contractor with pushy sales reps. We’re a small, owner-operated team that puts care and craftsmanship into every job. Our goal is to help you breathe cleaner air, not to sell you things you don’t need.
Here’s why homeowners choose us for AC system UV light and other IAQ solutions:
- Owner-operated with 8+ years of hands-on HVAC experience
- Indoor air quality is one of our specialties—not just a side service
- Honest recommendations and clear pricing, always
- Neat, code-compliant installs done with care
- One-year parts and labor warranty on UV installs
- Friendly service with respect for your time and home
We show up when we say we will. We explain things clearly. And we treat your house like it’s our own.

Our UV Light Installation Process
Requesting an AC system UV light installation is quick and easy when you work with our team. We take care of all the wiring, placement, and safety checks, so you don’t have to worry about a thing.
Here’s how we install HVAC UV light in Livonia, MI:
- Call or book online for an indoor air quality check
- Bobby or one of our licensed techs comes out to inspect your HVAC system
- We check coil access, duct layout, and electrical setup
- If it’s a good fit, we recommend the best UV system for your needs
- Once approved, we install the light and power it safely to your system
- We test it, explain how it works, and show you how to check or replace the bulb
The entire visit usually takes under 2 hours, and we leave your space clean and tidy when we’re done.

Latest From Our Blog

If you want a company that strives on quality and perfection, this is your guy! We are so happy with our installation, we had both the furnace and air conditioner replaced. They listened to what we were wanting out of the new unit and so far they nailed it. Our installer was very particular and made sure that we were happy in the end. I’m telling you this is your go to company for heating and cooling!
Debra Elwell
Eboe Hutchful
Heather
Great communication, on-time, great work and very nice
Brandon Welling

UV Light Installation FAQs
How long do UV lights last?
Most bulbs last 12–24 months, depending on the model. We’ll let you know when to replace them, and we can handle that for you, too, if you’d like.
Will I notice a difference right away?
Not always right away, but many homeowners notice fewer odors, fewer allergy symptoms, or a cleaner coil when they schedule maintenance later.
Is UV light safe?
Yes—when installed correctly inside your HVAC system, it’s completely safe and sealed away. You won’t be exposed to the light.
Do I need a UV light if I already have an air purifier?
They do different things. Air purifiers clean the air as it circulates. UV lights help keep mold and germs from growing inside the HVAC system itself. Some homes benefit from both.
Does it work when the HVAC is off?
Most UV systems are wired to run continuously. Some newer models have smart features that only activate when the fan is running. We’ll explain the best option based on your system.
Areas We Proudly Serve

Let’s Help Keep Your System Cleaner With UV Light Installation
If you’re ready to add another layer of protection to your indoor air, we’re here to help. We’ll handle the install with care, and you’ll barely notice it’s there.
📞Call Comfort Craftsman at (248) 778-8025
📅 Or request your indoor air estimate below.