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Liberty Duct & Vent Liberty Duct & Vent · SLC
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HVAC UV-C Germicidal Light Installation

UV-C light installed near your evaporator coil neutralizes mold, bacteria, and viruses 24/7.

What This Service Covers

The Full Scope

A UV-C lamp mounted in the air handler near the cooling coil exposes passing air and the coil surface to germicidal radiation. Kills mold spores, bacteria, and most viruses on contact — and prevents biofilm buildup on the coil that reduces HVAC efficiency.

What's Included

  • check_circle Coil-sterilization or in-duct stick lamps
  • check_circle Stops mold growth on evaporator coil
  • check_circle Same-day install on most systems
  • check_circle 2-year bulb warranty
  • check_circle Reduces HVAC odors
  • check_circle EPA-recommended for IAQ

A coil-mount UV-C lamp is the cheapest IAQ upgrade with the most measurable return. $399 once, $129/yr for bulbs, and your AC stops breeding mold every summer — and your AC efficiency goes up because the coil stays clean.

Diagnostic

6 Signs You Need UV Light Installation — Now

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Musty AC smell whenever the system runs

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Visible biofilm or pink/black slime in the drain pan

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Allergies / asthma worsen during AC season

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Frequent coil cleanings every year (sign of recurring biofilm)

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Recent mold remediation — UV prevents recurrence

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Wildfire-smoke season — UV doesn't kill smoke but pairs with media filtration

Who Calls Us Most

3 Households That Get the Biggest Win

01

Households with allergy / asthma sufferers

UV-C neutralizes mold spores + bacteria 24/7 inside the HVAC, reducing what circulates.

02

Homes that recently had mold remediation

UV-C is the recurrence prevention. Without it, biofilm regrows in 6-12 months.

03

Older homes with humid crawlspace ductwork

Coil + duct UV-C addresses the moisture-driven mold path before it spreads.

Utah Climate × This Service

Why UV Light Installation Is a Different Job in Utah

Inversion. Wildfire smoke. Dry-air winters. Lake-effect dust. Each one shifts how this service performs — and when it pays off most.

biotech Jun–Sep

Summer Coil Mold Bloom

AC coils stay wet 12+ hours/day during UT summer. Coil-mounted UV-C is the only continuous countermeasure to mold-spore breeding on cold-wet surfaces.

local_fire_department Jul–Sep

Wildfire Smoke Synergy

UV-C alone does not capture smoke particulate — but pairs with MERV-13+ media to neutralize bacteria + viruses on captured particles.

cyclone Dec–Feb

Inversion Bacteria Concentration

Indoor bacterial load rises during sealed-window inversion months. Continuous UV-C kills airborne pathogens passing the lamp 24/7.

water_drop Nov–Mar

Dry Air + Static Particulate

Low humidity keeps dust + dander airborne longer. UV-C exposure to circulating particulate compounds with media filtration.

Best Time to Schedule

When to Book — by Season

Q1

Spring (April–May)

Install before AC season — UV-C kills mold during the high-humidity months.

Q2

Summer (June–Aug)

Peak UV-C value — coil is wet, mold growth is active, lamp is killing it 24/7.

Q3

Fall (Sep)

Bulb annual swap window. Bulbs degrade after 9-14 months even though they still glow.

Q4

Winter (Jan–Feb)

Lower seasonal value but still effective on coil microbiome year-round.

Set The Record Straight

Myths vs. Facts

Myth

"UV light is dangerous to be near."

Fact

UV-C is sealed inside the HVAC. Zero radiation enters living spaces. Technicians wear UV-rated eyewear during install only.

Myth

"One bulb cleans the whole house air."

Fact

A single coil-mount lamp sterilizes air passing the lamp + the coil itself. For whole-home VOC + particle work, pair with media filter + ionizer.

Myth

"UV bulbs last 5 years."

Fact

They last electrically, but germicidal output drops below effectiveness at 9-14 months. Annual replacement is the standard.

Between Visits

UV Light Installation — Homeowner Tips

Things you can do between Liberty visits to maximize the result. No upsell — just better outcomes.

tips_and_updates

Mark your calendar at install date + 11 months for bulb replacement — bulbs degrade germicidally before they die electrically.

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When the AC service door is open during HVAC service, snap a photo of the UV-C lamp position to confirm placement after every service.

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Vacuum the air handler interior once a year so the lamp is exposed to the airflow it should be sterilizing.

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Track AC odor in a notes app — sustained absence of musty smell post-UV-C is the proof it is working.

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Pair UV-C with a MERV-11 or higher filter — the lamp cannot help with what never reaches the coil.

warningRed Flags

Stop & Call Us Same Day

If you see any of these, do not wait for your next scheduled visit.

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Mold smell returns 12+ months after install — bulb has likely lost germicidal effectiveness.

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Buzzing or flickering from the lamp area — ballast issue, schedule service.

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Visible biofilm regrowth on coil — lamp is misplaced or has burned out.

Honest Split

DIY vs. Liberty — Who Should Do What

Task DIY Pro Why
Calendar reminder for bulb replacement check_circle Annual.
Photographing lamp position after service check_circle Documents proper reinstall.
Bulb replacement check_circle UV-rated eyewear required + correct ballast match. We carry compatible bulbs.
Lamp installation in ductwork check_circle Cutting + sealing the duct + electrical wiring under HVAC code.
Pricing

UV Light Installation — Cost Breakdown

Flat-rate. Written. Locked before work. No surprises.

Service Item Price
Coil-mount UV-C lamp install $399
In-duct stick lamp install $499
Dual-lamp system (coil + duct) $699
Add: REME-Halo bipolar ionizer +$799
Annual bulb replacement $129
Combo: UV + duct cleaning + sanitize $849

Final price varies by home size + system count. Always quoted in writing before work begins. Full pricing →

Frequently Asked Questions

Is UV light safe for my family? add

Yes — the lamp is sealed inside the HVAC system. No UV radiation escapes into living spaces.

How long does a UV bulb last? add

Quality UV-C bulbs run 9–14 months at peak germicidal output. We service annually.

Will it lower my energy bill? add

Possibly — clean evaporator coils transfer heat better, so the AC works less. Most owners see a 5–15% efficiency gain.

flash_on Same-Day Booking

Book UV Light Installation Today

Free written estimate. NADCA-aligned process. Same-day service across Salt Lake City and the Wasatch Front.

  • check_circleNo upsells
  • check_circleWritten quotes
  • check_circleLicensed in Utah
  • check_circle100% guarantee
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Call our local crew

(801) 899-9691

Salt Lake City, UT · 60-mile service radius. Open Mon–Fri 7a–7p, Sat 8a–5p.

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