Purified Air Heating and Air Conditioning
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Indoor Air Quality in Pasadena, CA

Protecting Pasadena homes from poor air quality with professional duct cleaning, air purification, filtration, and ventilation services.

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Trusted by Local Families.

Licensed, family-owned HVAC professionals serving Pasadena and Los Angeles County to improve your indoor air quality.

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Our Most Popular Indoor Air Quality Services

our HVAC system does more than heat and cool your home. It controls what you breathe. We provide professional indoor air quality services across Pasadena and LA County to keep your air clean, your ducts clear, and your family comfortable year-round.

Air Duct Cleaning

Air Duct Cleaning

Over time, dust, debris, pet dander, and allergens build up inside your ductwork and recirculate every time your system runs. Our professional air duct cleaning removes years of buildup so your HVAC system delivers cleaner air and runs more efficiently.

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Air Duct Replacement

Air Duct Replacement

Leaking, damaged, or deteriorating ductwork lets unfiltered air into your home and forces your system to work harder. We inspect, repair, and replace ductwork to restore proper airflow, eliminate energy waste, and keep outdoor pollutants where they belong.

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Air Purification & Filtration

Air Purification & Filtration

Standard filters catch the big stuff, but fine particles, bacteria, and volatile organic compounds pass right through. We install whole-home air purification and high-efficiency filtration systems that integrate with your existing HVAC to capture what basic filters miss.

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Fresh Air Ventilation

Fresh Air Ventilation

A tightly sealed home keeps pollutants out, but it also traps stale air inside. Fresh air ventilation systems bring in controlled, filtered outdoor air without opening windows or compromising your indoor air quality. It is the right balance between sealed protection and healthy airflow.

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626-621-2220
Purified Air technician arriving at a Pasadena home

Why Pasadena Homes Need Professional Indoor Air Quality Services

Pasadena sits at the base of the San Gabriel Mountains in a basin that traps vehicle emissions, smog, and fine particulate matter year-round. Los Angeles County consistently ranks among the worst in the country for unhealthy air quality days, and wildfire smoke has made it worse. The January 2025 fires hit communities directly bordering Pasadena, sending hazardous particulate levels across the region. What is in the air outside eventually gets inside your home, especially through aging ductwork, leaking seals, and filters that were never designed to handle it. Professional indoor air quality services keep that cycle in check so your HVAC system protects your air instead of recirculating the problem.

Schedule your indoor air quality assessment today.

Breathe cleaner, fresher air today.

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Technician sealing and repairing home air ducts

Cleaner Air Starts With the Right HVAC Partner

As a Lennox Certified Dealer and licensed LA County HVAC contractor, Purified Air has the products, training, and local experience to address the indoor air quality challenges specific to Pasadena and the San Gabriel Valley. From duct cleaning and sealing to whole-home purification systems, we match the right solution to your home and your budget. No upselling, no unnecessary work, just cleaner air and a system that runs the way it should.

  • Wildfire & Smoke Protection: Properly sealed ducts and high-efficiency filtration keep hazardous particles out of your living space during fire season and beyond.
  • Allergen & Dust Reduction: Professional duct cleaning and purification systems reduce the irritants that trigger allergies, asthma, and respiratory discomfort.
  • Energy Efficiency: Clean, sealed ductwork means your HVAC system does not have to work overtime, lowering your utility bills and extending equipment life.
  • Year-Round Air Quality: LA County air quality challenges do not take a season off. Our IAQ services protect your home from smog, pollen, smoke, and everyday indoor pollutants 365 days a year.
Specials
$75OFF

Any AC Repair

Expiration Date: August 31, 2026

New customers only. Call for more details.

Purified Air Heating and Air Conditioning

Testimonials

Our Customers Love Our Services

Jhoanna Lara

Purified Air Heating and Air Conditioning did a fantastic job fixing my AC when it wasn’t cooling properly. The technician quickly identified the problem and resolved it efficiently. Great service

Addison

I had a great experience with them. Roman was prompt, honest, and offered fair pricing. They were easy to get in touch with and had my issue resolved day of.

Jose Medrano

During the rain I needed my heater to work. Purified Air came checked and made sure my air was like new running like new. They are reliable, easy to work

Kandice Banville

I recently hired Purified Air Inc. to service my heating and air system, and they exceeded all my expectations! From the moment I contacted them, their team was professional, courteous,

Jose Porras

Purified Air Heating and AC has been amazing with our routine maintenance. They’re always on time, professional, and leave everything running smoothly. I feel confident knowing my system is in

Anthony Moreno

Purified Air installed a new AC unit in my home, and I am extremely impressed with their service. The team was punctual, professional, and very knowledgeable. They completed the installation

Tara Avery

Had a really great experience with Roman (owner). Initially my unit’s issue was misdiagnosed by a tech, which lead to needing a callback. Roman reached out to me personally via

Jocelyn Villanueva

I greatly appreciate the excellent service I received from Purified Air Heating and Air Conditioning. They installed a new HVAC system in my home, and the technicians were very respectful

esme diaz

Purified Air Heating and Air Conditioning installed a new HVAC system in my home, and I couldn’t be happier with the results. They provided a range of financing options that

gabriela gamboa

I called Purified Air Heating and Air Conditioning during a heat wave when my AC stopped working. They were amazing! The technician was friendly, knowledgeable, and fixed the problem quickly.

Jaime Del toro

Very good yob experts. Purified Air did a great job installing our new AC. The team was friendly and worked fast. They made sure everything was working before they left. The

Dulce Ramirez

Purified Air installed a new air conditioning and heating system in my home. The team was professional and knowledgeable, helping me choose the best system. The installation was seamless, and

Everything You Need to Know About Our Indoor Air Quality Services in Pasadena, CA

Have questions about how to protect your home’s air quality? Our specialists are here to help you breathe easier. In the San Gabriel Valley, our homes deal with everything from seasonal allergens to wildfire smoke, and we believe your indoor air should be a clean, healthy sanctuary. Whether you’re concerned about persistent dust, morning allergies, or the long-term health of your family, our team has the advanced filtration and purification tools to transform your environment.

We’ve compiled these FAQs to help you understand the "invisible" side of home comfort, because at Purified Air, we believe what you breathe is just as important as the temperature on the thermostat.

  • Common signs include lingering dust even after cleaning, musty or stale odors, increased allergy or asthma symptoms at home, and visible dust or debris around your vents. If your home feels stuffy with the windows closed or you notice symptoms improving when you leave the house, your indoor air quality likely needs attention.

  • For most Pasadena homes, we recommend professional duct cleaning every three to five years. Homes with pets, allergy sufferers, recent renovations, or exposure to wildfire smoke may need it more frequently. We can assess your ductwork and let you know where things stand before recommending any work.

  • For general indoor air quality improvement, a MERV 13 filter is the standard recommended by the EPA. It captures fine particles like dust, pollen, mold spores, and smoke. Not every system can handle a higher-rated filter without impacting airflow, so we help you find the right match for your specific HVAC setup.

  • Yes, if it is set up correctly. Your system should be set to recirculate mode so it is not pulling in smoky outdoor air. Clean, sealed ductwork and a high-efficiency filter or whole-home purification system will capture fine particulate matter before it circulates through your home. We can evaluate your current setup and recommend upgrades if needed.

  • Filtration physically captures particles like dust, pollen, and pet dander as air passes through a filter. Purification goes a step further and neutralizes smaller contaminants like bacteria, viruses, and volatile organic compounds that filters alone cannot catch. Many homes benefit from both working together.

  • Yes. We will assess your home, explain what we find, and give you a clear recommendation with upfront pricing before any work begins. Call us at 626-621-2220 or schedule online to get started.