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

With years of experience and dedication to customer satisfaction, our professional HVAC team offers prompt solutions at reasonable rates for heating and cooling system repair – your one-stop solution partner for HVAC problems in the Chantilly area. We look forward to serving as your trusted partner!

Why choose Mannix Heating & Cooling for HVAC Service or Repair?

1. Certified Technicians

Our team of skilled and certified HVAC technicians possesses vast experience diagnosing and resolving various heating and cooling issues. Whether your furnace, AC unit or indoor air quality needs repair work done, our HVAC team has what it takes to restore it back to peak condition for maximum performance.

2. Fast and Reliable Service

HVAC issues can appear suddenly and cause discomfort; our team offers same-day HVAC repair in Chantilly, VA to keep your home or business cozy no matter the season.

3. Comprehensive HVAC Repair Services / Servicing Solutions

At Mannix Heating & Cooling, our repair services extend to multiple HVAC systems including air conditioners (repair of refrigerant leaks, compressor issues, and thermostat malfunction), furnaces (ignition issues, clogged filters, and inefficiencies,) and heat pumps.

  • Heat Pumps – Addressing cycling, refrigerant levels, and airflow blockages.
  • Ductless Mini-Split Systems – Solve electrical issues and air distribution problems. 
  • Indoor Air Quality Systems – Ensuring adequate ventilation, purification, and humidity regulation.

4. Transparent Pricing without Hidden Charges 

At our team, we take great pleasure in offering upfront and transparent pricing without surprise costs or hidden charges. Before any repair services are carried out, a thorough inspection is performed followed by providing an estimated repair plan so we are clear as to exactly what our responsibilities are and can work towards meeting them efficiently and affordably.

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 Common HVAC Issues We Repair in Chantilly, VA

Even the most well-maintained HVAC systems can encounter problems. Here are some of the most common issues we address:

Uneven Heating or Cooling – Even well-kept HVAC systems may encounter issues. Below are some of the more frequently seen problems we address: Trough or Duct Issues/Thermostat Issues or an Aging System could all play a part.

Strange Noises – Unusual sounds such as banging, rattling or screeching may indicate mechanical issues requiring immediate attention. Poor Airflow – Weak airflow may indicate blocked filters or vents or failed fans as potential causes for concern.

Frequent Cycling – When your system switches on and off frequently, this could indicate thermostat malfunction or inadequacy in system sizing. 

Refrigerant Leaks – Low refrigerant levels could create cooling difficulties as your air conditioning fights to stay cold enough and attain efficiency.

Asserted Energy Bills – Unusual energy costs may indicate inefficiency or malfunction in an HVAC system. 

Why Professional HVAC Repair Is Necessary

Mannix Heating & Cooling can offer professional HVAC repair in Chantilly, Virginia that offers many advantages; such as:

  • Increased Energy Efficiency – Energy-efficient systems help cut back energy use and utility bills significantly.
  • Improve Indoor Air Quality For You And Your Family – Regular maintenance eliminates dust, allergens and pollutants for cleaner breathing air in your home environment.
  • Extended Equipment Lifespan – Regular repairs and maintenance helps increase system longevity while simultaneously decreasing costs and keeping lifecycle costs to a minimum.
  • Comfort and Convenience – When operating properly, HVAC systems ensure consistent temperature and humidity controls that provide a relaxing indoor environment.

Emergency HVAC Repair in Chantilly, VA 

Air conditioning (AC) emergencies can happen at any time and that’s why our repair services in Chantilly offer emergency HVAC repair. When your heater breaks during snowfall or AC stops working during an intense summer heatwave, call our team – they arrive quickly, diagnose quickly, and make immediate repairs that restore comfort to both homes and businesses instantly.

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Maintain Your HVAC to Avoid Expensive Repairs 

One of the best ways to prevent HVAC breakdowns is with regular maintenance plans from Mannix Heating & Cooling. Our tailored plans offer seasonal tune-ups designed to guarantee optimal system operation during both summer and winter seasons.

  • Filter Replacements – To keep airflow clean and efficient. 
  • System Inspections – To identify minor issues before they turn into major repairs. 
  • Priority Service – Enjoy fast response times and discounts as a maintenance plan member.

Contact Your HVAC Repair in Chantilly, VA Today! 

Do not let HVAC issues disrupt your comfort – whether they need quick fixes, emergency service calls, or regular maintenance; Mannix Heating & Cooling is here to assist! Call now to arrange your Chantilly repair with one of the area’s premier local experts; working together will prove rewarding and enjoyable!

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.

Mannix Rewards

Receive up to $100 Mannix Heating & Cooling Visa® Prepaid Card

Customer Referral Program

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
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
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
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
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
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
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 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
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
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