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Our Florida services address the year-round cooling demands, extreme humidity levels, and occasional heating needs that characterize the Sunshine State’s subtropical environment. We understand that Florida’s weather patterns require specialized expertise and equipment designed to withstand salt air exposure, intense UV radiation, and the constant battle against moisture infiltration that can compromise system efficiency and indoor air quality.

Our technicians undergo specific training for Florida’s building codes and environmental regulations, ensuring every installation and repair meets the state’s stringent requirements for hurricane resistance and energy efficiency. The combination of high temperatures averaging 82-92°F during summer months and humidity levels consistently above 70% creates unique stress on HVAC systems that demands proactive maintenance strategies and robust equipment selections tailored to these extreme conditions.

Air Conditioning Services Designed for Maximum Efficiency

Our air conditioning installation services incorporate high-SEER rated systems specifically engineered for Florida’s demanding cooling season that typically extends from March through November. We install Carrier systems with SEER ratings ranging from 16 to 21, providing energy savings of up to 40% compared to older units while maintaining consistent indoor temperatures despite outdoor conditions exceeding 95°F with heat indices often surpassing 105°F. These advanced systems feature variable-speed compressors that adjust cooling output based on real-time demands, preventing the short-cycling issues common in oversized units while maintaining optimal dehumidification levels crucial for Florida comfort.

When performing air conditioning repairs, our technicians diagnose common Florida-specific issues including refrigerant leaks caused by formicary corrosion from coastal salt exposure, evaporator coil freezing due to restricted airflow from algae growth in condensate lines, and compressor failures resulting from voltage fluctuations during thunderstorms. 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.

Heat Pump Systems and Indoor Air Quality Solutions

Heat pumps represent the ideal heating and cooling solution for Florida’s mild winters where temperatures rarely drop below 40°F, providing efficient dual-purpose climate control with heating coefficients of performance exceeding 3.0. Our heat pump installations include advanced features like auxiliary heat strips for those rare cold snaps, smart defrost controls that minimize energy waste during humid conditions, and corrosion-resistant coastal packages featuring aluminum coils and specialized protective coatings that extend equipment life by 5-7 years in salt-air environments.

Indoor air quality services address Florida’s particular challenges including:

  • High-efficiency filtration systems capturing pollen from year-round blooming vegetation and mold spores thriving in humid conditions
  • Whole-house dehumidification systems maintaining relative humidity between 45-55% to prevent mold growth and improve comfort
  • UV germicidal lights installed within ductwork to eliminate biological contaminants that flourish in warm, moist environments
  • Energy recovery ventilators providing fresh air exchange while minimizing humidity infiltration and cooling loss

Specialized Services for Florida Properties

Our pool heat pump services ensure year-round swimming comfort, with systems capable of maintaining water temperatures at 82-86°F even during cooler months while consuming 75% less energy than traditional gas heaters. We install titanium heat exchangers resistant to pool chemical corrosion, digital controls allowing precise temperature management, and scroll compressors designed for continuous operation in high-humidity environments.

Ductless HVAC systems provide zoned cooling solutions perfect for Florida room additions, converted garages, and historic properties where traditional ductwork installation proves impractical. These systems achieve SEER ratings up to 30.5, operate at whisper-quiet levels below 25 decibels, and include advanced filtration removing particles down to 0.3 microns while providing individual room temperature control through wireless remotes or smartphone applications.

Our comprehensive maintenance plans include quarterly filter changes necessary due to Florida’s extended cooling season, bi-annual coil cleanings removing salt deposits and organic growth, condensate line treatments preventing algae blockages that cause water damage, and electrical connection inspections identifying corrosion before component failure occurs. Regular maintenance extends equipment life by 40% while maintaining manufacturer warranty coverage and reducing energy consumption by up to 25% through optimized system performance.

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
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
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
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
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
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
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 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
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
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