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Contact Mannix Heating and Cooling for HVAC and Pool Heat Pump Service Today!

Poor indoor air quality contributes to increased allergy symptoms, frequent headaches, fatigue, and can exacerbate existing respiratory conditions like asthma. The Environmental Protection Agency reports that indoor air pollutant levels often exceed outdoor levels by two to five times, making this an essential consideration for every household.

Modern homes are built with energy efficiency in mind, featuring tight construction and superior insulation. While these features reduce energy costs, they also trap pollutants inside your home, creating a sealed environment where contaminants accumulate. Common indoor air pollutants include dust mites, pet dander, mold spores, volatile organic compounds from cleaning products and furniture, carbon monoxide from combustion appliances, and bacteria that thrive in humid conditions. Our experienced technicians understand how these pollutants interact with your HVAC system and can recommend targeted solutions that address your specific concerns.

Advanced Filtration Systems and Air Purification Technologies

Standard furnace filters capture only larger particles, leaving many microscopic contaminants to circulate freely through your home. We offer advanced filtration options including HEPA filters that capture 99.97% of particles as small as 0.3 microns, electronic air cleaners that use electrostatic precipitation to remove airborne particles, and media filters that provide superior filtration without restricting airflow. These systems integrate seamlessly with existing HVAC equipment, providing continuous air cleaning whenever your heating or cooling system operates. If a problem occurs with your heating or cooling system, don’t panic, call Mannix! They have an outstanding reputation for customer service and have some of the most experienced techs in the industry. Just look them up on Angie’s List or read what others are saying about them on Google or Yelp.

UV germicidal lights represent another powerful tool in our indoor air quality arsenal. These systems install within your ductwork or near the evaporator coil, using ultraviolet light to neutralize biological contaminants. The UV-C wavelength disrupts the DNA of microorganisms, preventing them from reproducing and spreading throughout your home. This technology proves particularly effective against mold growth on cooling coils, where moisture creates ideal conditions for biological contamination. Many hospitals and medical facilities use similar UV technology to maintain sterile environments, and we bring this same level of protection to residential applications throughout Gaithersburg, MD, Chantilly, VA, Treasure Island, FL and their surrounding areas.

Humidity Control and Ventilation Solutions

Proper humidity levels play a crucial role in maintaining healthy indoor air quality. When humidity drops below 30%, you experience dry skin, irritated sinuses, and increased static electricity. Conversely, humidity above 50% promotes mold growth, dust mite proliferation, and creates uncomfortable living conditions. We install whole-house humidifiers and dehumidifiers that maintain optimal humidity levels between 30% and 50% year-round. These systems feature automatic controls that monitor and adjust humidity levels based on outdoor temperature and indoor conditions.

Ventilation ensures fresh outdoor air replaces stale indoor air without sacrificing energy efficiency. Energy recovery ventilators and heat recovery ventilators provide controlled ventilation while recovering energy from exhausted air. During winter months, these systems capture heat from outgoing air and transfer it to incoming fresh air, reducing heating costs while improving air quality. Summer operation reverses this process, pre-cooling incoming air to reduce cooling loads.

Professional Assessment and Customized Solutions

Every home presents unique indoor air quality challenges based on factors including:

  • Building age and construction methods affect air infiltration rates and potential contamination sources
  • Occupant lifestyle and activities determine pollutant generation from cooking, cleaning, and hobbies
  • Local climate conditions influence humidity levels and seasonal allergen concerns
  • Existing HVAC equipment determines compatible air quality improvement options

Our comprehensive indoor air quality assessments identify specific problems affecting your home. We use professional-grade testing equipment to measure particulate levels, identify biological contaminants, and detect chemical pollutants. This data guides our recommendations, ensuring you invest in solutions that address actual problems rather than perceived issues. Regular maintenance of air quality equipment ensures continued effectiveness, and we offer service plans that include filter replacement, UV bulb changes, and system performance verification. Indoor air quality improvements deliver immediate benefits while protecting your family’s long-term health, making this investment one of the most important upgrades you can make to your home.

We’re in Your Neighborhood

Whether you’re in Gaithersburg, MD, Chantilly, VA, or Treasure Island, FL, our local teams are ready with 24-hour answering service and experienced technicians who keep your systems running when you need them most.

Gaithersburg, MD

7824 Beechcraft Ave
Gaithersburg, MD, 20879
(301) 260-6000

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Chantilly, VA

26955 Gum Spring Road
Chantilly, VA, 20152
(703) 777-9211

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Treasure Island, FL

10625 1st Street E. Suite 200
Treasure Island, FL, 33706
(727) 999-7002

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HVAC Maintenance

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Comprehensive Climate Control Solutions

Our comprehensive approach encompasses everything from routine maintenance to complete system overhauls, ensuring optimal performance throughout every season. We specialize in both residential and commercial applications, understanding that each environment presents unique challenges requiring customized solutions.

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Customer Referral Program

Customer Reviews
My 24-year-old heat pump finally decided to stop working. I sent a request for a replacement estimate late one night through the Mannix website and received a phone call early the very next morning to set up an appointment. Eric Holzworth stopped by my house the next day to go over my options. He...
Customer Reviews
I contacted Mannix from a referral of a friend who has benefitted from the excellent service this company provides. I found out a couple I know in Vienna had their heat pump stop working a few months ago and needed to be replaced. I called up the Mannix office later in the day on Monday 11/30/20...
Lynne Wilson Leave a Review
Customer Reviews
I have been using Mannix for years. They have replaced my HVAC system and I have them do maintenance twice a year. The past couple of visits have been done by Ramiro. He is professional, polite, knowledgeable, and very helpful in assisting me with tips on the best ways to operate my system. Today,...
Patricia Ryan Leave a Review
Customer Reviews
Before dealing with Mannix I used two very well-known and “reputable” HVAC companies who did nothing but rip us off over the years. I was frustrated and found Mannix Heating & Cooling about 10 years ago. They installed a new HVAC system in my old home, and installed a water...
Customer Reviews
We were in desperate need of a fix on our AC system during the July heatwave. The issue arose on a Saturday. Mannix came to the rescue in short order, fixed it, and at a reasonable price. Silvio G was the technician, and he was GREAT. We would definitely use Mannix again!
Customer Reviews
Mannix has always been professional from service calls to repairs and replacements. The technicians are always polite and knowledgeable. They consistently exceed our expectations.
Wendy Collins Leave a Review
Customer Reviews
They were lifesavers!!! My furnace went out and after three days of dealing with the home warranty company and the unscrupulous vendor they sent to my home, I called Mannix. The service technician was friendly, efficient but most of all honest. He found the problem after twenty minutes, saving...
Shondra J ones Leave a Review
Customer Reviews
Been a happy Mannix customer for a few years now, but recently had them replace our aging HVAC system. The whole process was very painless, from Eric helping us decide which system was right for our home, to the efficient and professional installation by Billy and Matt. I am very pleased with the...
Philip Slingerland Leave a Review
Customer Reviews
Mannix proved very responsive in fixing my A/C system. The tech, Erick, was very professional by taking the time showing and explaining to me the system problem prior to taking action replacing the coil. Ashleigh, customer service, was excellent in addressing and following through on concerns in...
Gary Hendricks Leave a Review
Customer Reviews
I’ve been using Mannix for years and have never been disappointed. They’ve replaced my HVAC, hot water heater and installed a humidifier on my furnace. Whenever I need them, they can get me on the schedule in a timely manner. All the personnel are great and I trust Jerry and his team...
Rachel Craft Leave a Review
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