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Expert HVAC Services for Treasure Island’s Coastal Climate

Whether you’re dealing with a broken AC unit or an inefficient cooling system in Treasure Island, FL, having a reliable HVAC partner makes all the difference.

$300 Off Stand-By Home Generators

Call (703) 777-9211 for more information.

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$20 Off an Emergency Service or Repair Call

Service calls are normally $225.00

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$20 Off a Service or Repair Call

Service calls are normally $120.00

Cannot be combined with other promotions
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$20 Off Preventative Maintenance Plans

Call (703) 777-9211 for more information.

Cannot be combined with other promotions
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$100 Off Whole Home Air Purifier

Call (703) 777-9211 for more information.

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10% Off Service Calls for First Responders, Veterans & Active Military

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We’ll Be Here When You Need Us

Our experienced technicians serve Treasure Island with 24-hour emergency response, ensuring you’re never left without AC during Florida’s hottest days.

Expert HVAC Services for Treasure Island’s Coastal Climate

Living in Treasure Island, FL means dealing with unique coastal climate challenges that directly impact your home’s heating and cooling systems. The combination of high humidity, salt air exposure, and intense summer temperatures creates specific demands on HVAC equipment that we understand intimately at Mannix Heating and Cooling. Our technicians have extensive experience addressing the particular needs of barrier island properties, where the Gulf breeze carries moisture and salt particles that can accelerate corrosion in outdoor units and affect system efficiency.

The subtropical climate of Treasure Island requires air conditioning systems to work harder and longer than in many other regions. Average summer temperatures regularly reach into the upper 80s and low 90s, with humidity levels often exceeding 70%. This persistent moisture not only makes the air feel hotter but also forces cooling systems to remove substantial amounts of water from indoor air. We specialize in properly sizing and maintaining systems that can handle this dual burden of temperature and humidity control, ensuring your home remains comfortable even during the most oppressive summer afternoons.

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The proximity to the Gulf of Mexico presents distinct challenges for HVAC equipment in Treasure Island. Salt-laden air accelerates the deterioration of aluminum fins, copper coils, and metal cabinets found in standard air conditioning units. We recommend and install coastal-grade equipment specifically designed with enhanced corrosion resistance, including units with specialized coatings and materials that withstand the harsh marine environment. These protective measures can extend equipment life by several years compared to standard units, providing better long-term value for homeowners.

Regular maintenance becomes even more critical in coastal environments. Our comprehensive maintenance programs include thorough coil cleaning to remove salt buildup, inspection of electrical connections for corrosion, and application of protective treatments to vulnerable components. We check refrigerant levels more frequently than inland standards suggest, as coastal conditions can accelerate seal degradation and lead to gradual refrigerant loss. If a problem occurs with your heating or cooling system, don’t panic, call Mannix! We have an outstanding reputation for customer service and have some of the most experienced techs in the industry. Just look us up on Angie’s List or read what others are saying about us on Google or Yelp.

Energy efficiency takes on particular importance in Treasure Island, where cooling costs can represent a significant portion of annual utility expenses. We focus on implementing solutions that reduce energy consumption while maintaining optimal comfort levels. Variable-speed compressors and fan motors adjust their output to match cooling demands precisely, avoiding the energy waste associated with traditional single-speed systems that cycle on and off repeatedly. These advanced systems can reduce cooling costs by 30-40% compared to older equipment while providing more consistent temperature control.

Heat pump technology offers exceptional efficiency for Treasure Island’s mild winters. Modern heat pumps achieve heating efficiency ratings exceeding 300%, meaning they produce three units of heat for every unit of electricity consumed. During the brief cool periods typical of Florida winters, these systems provide comfortable heating without the need for energy-intensive electric resistance heaters or gas furnaces. We install and service both traditional split-system heat pumps and ductless mini-split systems, with the latter offering excellent solutions for homes with additions, converted spaces, or rooms with specific temperature control needs.

Managing indoor air quality in Treasure Island requires addressing both humidity control and filtration needs. Excessive indoor humidity promotes mold growth, dust mite proliferation, and general discomfort, while also forcing cooling systems to work harder. We install whole-house dehumidification systems that work in conjunction with your air conditioning to maintain optimal humidity levels between 30-50%, even when cooling demands are minimal during mild weather.

Our indoor air quality solutions include:

  • High-efficiency particulate filters that capture allergens, dust, and other airborne contaminants
  • UV germicidal lights that neutralize bacteria, viruses, and mold spores passing through the air handler
  • Ventilation systems that introduce fresh outdoor air while maintaining energy efficiency

These comprehensive approaches ensure your home’s air remains clean, fresh, and healthy year-round, particularly important in coastal areas where windows often remain closed to preserve conditioned air and prevent humidity infiltration.

Customer First Award Winner: Mannix Heating & Cooling

Owner, Jerry Mannix

The Proud Recipient of Federated Insurance’s ACCA Super S.T.A.R. Award!

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
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’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 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
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
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
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
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
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