Indoor air quality equipment — HEPA media filter, UV-C lamp, whole-home dehumidifier and smart IAQ monitor
Whole-Home IAQ Stack

MERV-13 · UV-C · Dehumidifiers · ERVs · Smart Monitors

IndoorAir QualityBuilt For The Inland Empire

MERV-13 media filtration, UV-C coil lights, whole-home dehumidifiers, fresh-air ERVs, and smart monitoring — engineered for asthma, allergies, wildfire smoke, and Title 24 tight envelopes.

10 Years
Inland Empire
EPA 608
Universal Certified
Same-Day
Emergency Dispatch
Both Counties
Riverside & SB
Inland Empire Indoor Air Quality

Cleaner Air Than The Air Outside

Indoor air is routinely 2–5x more polluted than outdoor air, and we spend 90% of our time indoors. In the Inland Empire we layer on three regional challenges: Santa Ana wildfire smoke (fall/winter), high-desert dust loads (Hesperia/Victorville/Apple Valley), and coastal humidity that pushes mold growth in attic ducts and at the evaporator coil. Tech On Call installs whole-home IAQ stacks that actually solve these — MERV-13 media filtration, UV-C coil lights, whole-home dehumidifiers, fresh-air ERVs, and smart monitoring you can see on your phone.

The single highest-ROI upgrade for most IE homes is a deep MERV-13 media filter cabinet — a 4–5" pleated media filter that captures fine particulates (PM2.5, wildfire smoke, pollen) without choking static pressure the way trying to cram a 1" MERV-13 into a stock register-grille filter slot does. Pair it with a UV-C light at the evaporator coil and you've killed the two biggest air-quality complaints (dust, musty AC smell at startup) in one stack.

For households with asthma, allergies, infants, immunocompromised members, or recent renovations, we layer in HEPA bypass filtration, PCO (photocatalytic oxidation) air-stream purifiers, whole-home dehumidifiers, and ERVs. For tight new construction or post-Title-24 retrofits, an ERV is non-optional — without one, you're trapping every off-gas in the building. See related: duct cleaning, ductwork upgrades.

Licensed & Insured
Same-Day Service
Flat-Rate Pricing
Both IE Counties
What We Solve

The IAQ Problems We Fix Every Week

Diagnose · Repair · Restore
01

Wildfire Smoke Days

Santa Ana smoke days when you can't open windows — MERV-13 + sealed envelope.

02

Asthma & Allergies

Year-round pollen, dust, and dander triggering symptoms.

03

Musty AC Smell At Startup

Biofilm at the evaporator coil — UV-C kills it permanently.

04

Coastal Humidity / Mold

Coastal IE summers above 60% RH — whole-home dehumidifier required.

05

Visible Dust Everywhere

Filters clog in 30 days — duct leaks plus undersized filtration.

06

Tight New Construction

Title 24 envelopes trap off-gas without an ERV — fresh air required.

IAQ Stack

The Full Whole-Home Stack

MERV-13 Media Filter Cabinet
Highest ROI

MERV-13 Media Filter Cabinet

  • Aprilaire / Honeywell cabinets
  • MERV-13 standard, HEPA bypass option
  • Annual filter swap on plan
  • Wildfire-smoke ready
Explore Service
UV-C Coil Light
Mold Killer

UV-C Coil Light

  • Coil-mounted UV-C
  • Annual lamp replacement
  • Air-stream PCO option
  • Works on every brand
Explore Service
Whole-Home Dehumidifier & ERV
Coastal IE

Whole-Home Dehumidifier & ERV

  • Whole-home dehumidifier
  • Energy Recovery Ventilator
  • Smart IAQ monitoring
  • Sized to home & envelope
Explore Service
IAQ Brands

Every Major IAQ Brand

Aprilaire, Honeywell, Lennox PureAir, Carrier Infinity, Trane CleanEffects, iWave, REME HALO, AirScrubber — we install and service the full lineup.

AprilaireHoneywellTrane CleanEffectsLennox PureAirCarrier InfinityiWaveREME HALOAirScrubberBroanPanasonicGreenheckCaptiveAireLoren CookReznorModineMammothPhoenix ManufacturingChampion CoolerMasterCoolAerocool
IAQ Equipment

Every IAQ Solution

01

MERV-13 Media Filters

4–5" deep pleated media — Aprilaire, Honeywell, Trane cabinets.

02

UV-C Coil Lights

Coil-mounted germicidal UV — kills mold and biofilm at the source.

03

PCO / Bipolar Ionization

Air-stream PCO and ionization (iWave, REME HALO) for VOC reduction.

04

Whole-Home Dehumidifiers

Aprilaire / Honeywell ducted dehumidifiers — coastal IE essential.

05

Fresh-Air ERVs

Energy recovery ventilators — required for tight Title 24 envelopes.

06

Smart IAQ Monitors

Real-time PM2.5, VOC, CO2, and humidity on your phone.

07

HEPA Bypass Filtration

True HEPA bypass loops for medical / immunocompromised homes.

Process

How A Real IAQ Job Runs

  1. 01

    Call & Schedule

    A real dispatcher answers — no phone tree. Same-day or next-morning ETA confirmed, and we text the tech's name and photo before arrival.

  2. 02

    Inspection & Test

    Flat-rate diagnostic. Tech measures static pressure, airflow (CFM), filter restriction, hood capture, and IAQ baseline — then explains findings in plain English.

  3. 03

    Written Scope & Quote

    You see the work and the price before anything starts. Diagnostic fee credits toward the repair when you proceed.

  4. 04

    Install Or Repair

    Most repairs (boots, dampers, fans, motors, filters) are completed same-visit. Larger ductwork or hood jobs scheduled within 48–72 hours.

  5. 05

    Verify & Document

    We retest static, CFM, and IAQ deltas and document everything — parts used, before/after numbers, warranty terms.

Tech On Call AC service van
Inland Empire IAQ

MERV-13 · UV-C · Dehumidifiers · ERVs

Cleaner Air. Every Day.

01

EPA 608 Certified

Universal-certified techs on every repair, install, and recovery — R-410A, R-32, R-454B handled correctly.

02

Same-Day Response

When the AC quits in the Inland Empire heat, you don't have hours. Same-day dispatch across both counties.

03

Flat Pricing

Diagnostic and repair quoted before any work begins. The number on-site is the number on the invoice.

04

Maintenance Plans

Spring tune-ups, filter swaps, and priority dispatch on annual plans built for desert summers.

View Plans
IAQ FAQ

Indoor Air Quality Questions

01

What's the best IAQ upgrade for an IE home?

A deep MERV-13 media filter cabinet plus a UV-C coil light. Add a whole-home dehumidifier in coastal IE or an ERV for tight construction.

02

Do UV-C lights actually work?

Yes for coil-mounted UV-C (kills mold/biofilm where moisture pools). Air-stream UV-C has less contact time and works better with PCO or ionization.

03

Will IAQ equipment help with wildfire smoke?

Yes — MERV-13 or HEPA bypass at the air handler removes fine particulates. Combined with a sealed envelope and an ERV with carbon filter, it's the most effective whole-home smoke defense.

04

Do I need a whole-home dehumidifier in SoCal?

Coastal IE summers above 60% RH — yes. High Desert — usually no.

05

How much does whole-home IAQ cost?

Most useful starter package (MERV-13 cabinet + UV-C light) is $1,100–$2,000 installed. Full stack with dehumidifier runs $4,500–$7,500.

06

Does an air purifier replace duct cleaning?

Often yes — a deep media filter keeps the ducts cleaner over time so cleaning frequency drops dramatically. See duct cleaning.

07

What's the best whole-home indoor air quality upgrade?

For most Inland Empire homes the highest-ROI upgrade is a deep MERV-13 media filter cabinet plus a UV-C coil light. Add a whole-home dehumidifier in the coastal-IE belt or a fresh-air ERV for tight new construction. See indoor air quality.

08

What cities do you serve for ductwork and ventilation?

Every city in Riverside and San Bernardino County — Riverside, San Bernardino, Fontana, Rancho Cucamonga, Ontario, Corona, Moreno Valley, Temecula, Murrieta, Redlands, Hesperia, Victorville, and the Coachella Valley. High Desert dust loads drive a lot of our duct-cleaning and filter calls; coastal-IE humidity drives IAQ work.

09

Do you warranty ductwork and ventilation work?

Every ductwork install carries a workmanship warranty. Equipment — IAQ purifiers, dehumidifiers, exhaust fans, hoods — is registered with the manufacturer and most ship a 5–10 year parts warranty when registered within 60 days. We handle the paperwork.

10

Do you offer financing on whole-home IAQ or new ductwork?

Yes — financing is available on qualifying ductwork replacement, IAQ packages, and whole-home dehumidifier installs. We walk through monthly payment options and any SCE/SoCalGas rebates before you commit.