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Installing a New HVAC System in Central Florida: What You Need to Know

At Essential Air and Heat, we understand that installing a new HVAC system is a significant investment for your home or business. Whether you're replacing an outdated unit or upgrading to a more energy-efficient model, the process involves several crucial steps. Here’s a comprehensive guide to what’s involved in installing a new HVAC system in Central Florida.

Installation of new outdoor HVAC system in Central Florida

1. Assessment and Planning - Installing a New HVAC System in Central Florida

The first step in installing a new HVAC system is a thorough assessment of your property. Our expert technicians will evaluate the size of your space, your existing ductwork, insulation levels, and any specific heating and cooling needs. This assessment helps determine the right type and size of HVAC system for your home or business, ensuring optimal performance and efficiency. Essential Air will guide you in the whole process. Never any pressure to buy more than you need like these big AC companies with colorful trucks and radio advertising! We advise you as if you were or family!!

2. Choosing the Right System

Central Florida's hot and humid climate requires an HVAC system that can handle the demands of cooling your space efficiently. We offer a range of systems, including central air conditioners, heat pumps, and ductless mini-splits. Our team will help you select the best option based on your budget, energy efficiency goals, and specific cooling and heating requirements. Choosing the right size HVAC system in Central Florida is crucial due to the region's hot and humid climate. An oversized system can lead to short cycling, excessive energy consumption, and uneven cooling, while an undersized system will struggle to maintain a comfortable indoor temperature, increasing wear and tear and reducing efficiency. Proper sizing ensures optimal performance, energy efficiency, and comfort, making it essential to consult with our HVAC team at Essential Air and Heat for accurate load calculations and system selection.

3. Obtaining Permits

Before installation can begin, it's essential to obtain the necessary permits. Our team will handle all the paperwork and ensure compliance with local building codes and regulations. This step is crucial to avoid any legal issues and ensure the installation meets all safety standards. This is also important so you have the correct paperwork should you sell your home in the future.

4. Removing the Old System

If you’re replacing an existing HVAC system, the old unit needs to be safely removed. This process involves disconnecting the electrical and refrigerant lines, dismantling the unit, and properly disposing of it. Our technicians follow strict safety protocols to prevent any damage to your property and ensure environmentally responsible disposal. Essential Air and heat is always updating our refrigerant protocols according to industry standards and Florida Statutes.

5. Installing New Ductwork (if needed)

In some cases, your existing ductwork may be incompatible with the new HVAC system or may be in poor condition. If new ductwork is required, our team will design and install it to ensure proper air distribution and system efficiency. This step may involve cutting holes in walls or ceilings and sealing all joints to prevent air leaks. If a bedroom or living room faces the west and has low insulation, you may need to add an additional HVAC duct for additional cooling and heating.

6. Installing the New HVAC System

The heart of the process is installing the new HVAC system. This involves several key steps:

  • Positioning the Unit: The indoor and outdoor units must be placed in optimal locations to maximize efficiency and minimize noise.

  • Connecting Electrical Wiring: Proper electrical connections are essential for the safe and efficient operation of the system.

  • Refrigerant Lines and Duct Connections: The refrigerant lines must be carefully connected and insulated. Ductwork is connected and sealed to ensure there are no leaks.

  • Thermostat Installation: A new thermostat, often a programmable or smart model, is installed to give you precise control over your indoor climate.

7. System Testing and Calibration

Once the installation is complete, Essential Air and Heat technicians thoroughly test the system to ensure it operates correctly. This includes checking the refrigerant levels, inspecting electrical connections, and ensuring proper airflow. We also calibrate the thermostat and make any necessary adjustments to optimize performance. Ask us about scheduling yearly or bi-yearly maintenance calls.

8. Instruction and Maintenance Tips

After installation, we provide you with detailed instructions on operating your new HVAC system. Our team will explain how to use the thermostat, change filters, and perform basic maintenance tasks. We also offer tips on how to maximize energy efficiency and extend the life of your new system. We will advise you on any insulation areas of air loss or heat infiltration. Sometimes you can simply fill a gap and save your AC bill from going up.

9. Post-Installation Support

At Essential Air and Heat, our commitment to you doesn’t end with the installation. We offer ongoing support, including regular maintenance services and prompt repairs if needed. Our goal is to ensure your HVAC system continues to operate efficiently and reliably for years to come.


Installing a new HVAC system in Central Florida is a complex process that requires careful planning and expert execution. At Essential Air and Heat, we take pride in delivering top-quality installations that meet the unique needs of our customers. Contact us today to schedule a consultation and start your journey towards a more comfortable and energy-efficient home or business.

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