--- title: Florida Notice to Owner (NTO) for HVAC Contractors | LienFlash slug: florida-preliminary-notice-hvac description: Florida hvac subcontractors: notice deadline, worked example, failure patterns, and trade-specific FAQs. published: 2026-06-27T16:15:00.506Z updated: 2026-06-27T16:15:00.506Z canonical: https://lienflash.app/blog/florida-preliminary-notice-hvac author: Grant Larsen publisher: LienFlash --- # Florida Notice to Owner (NTO) for HVAC Contractors In Florida, where the humidity can be relentless, the HVAC industry plays a crucial role in maintaining comfort and safety. Whether it's installing a rooftop unit or ensuring the air handler is functioning optimally, HVAC subcontractors are essential. The unique challenges of coastal construction, like dealing with salt air corrosion on condensers, require specialized knowledge. Additionally, the storm season demands robust systems that can withstand high winds and heavy rain. Ensuring payment rights are protected is vital for HVAC professionals working in such a dynamic environment. > **Florida is a no-forgiveness state.** A missing or late Notice to Owner eliminates lien rights entirely — there is no rolling-window protection and no judicial discretion. --- ## The Deadline | | | |---|---| | **Notice type** | Notice to Owner (NTO) | | **Governing statute** | [Fla. Stat. § 713.06(2)(c)](http://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0700-0799/0713/0713.html) | | **Deadline** | **45 days from first furnishing of labor, services, or materials** | *The deadline is strictly enforced.* --- ## When Does the Clock Start for HVAC Contractors? For HVAC subcontractors in Florida, the clock starts ticking when the first piece of equipment, like a condenser or evaporator, is delivered to the job site. Alternatively, it begins when your crew starts the rough-in for ductwork. An edge case to consider is when a project is delayed due to hurricane preparations, which can affect the start of work and the timing of notices. *The exact legal definition of "first furnishing" is set by [Fla. Stat. § 713.06(2)(c)](http://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0700-0799/0713/0713.html). This operational description does not substitute for the statutory definition.* --- ## Worked Example: Orlando — Installation of a large-scale VAV system for a commercial office building. In Orlando, an HVAC subcontractor was hired to install a VAV system in a new commercial office building. On the first day, they delivered the VAV boxes and began installing the ductwork. The team was so focused on meeting the project timeline that they forgot to send a Notice to Owner. This oversight occurred because the project manager was juggling multiple tasks, including coordinating with the general contractor and ensuring the roof curbs were properly installed. | Event | Date | |---|---| | First furnishing | March 10, 2025 | | Notice must be served by | **April 24, 2025** | | Deadline | **45 calendar days** ([Fla. Stat. § 713.06(2)(c)](http://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0700-0799/0713/0713.html)) | If the notice is not served by **April 24, 2025**, lien rights are at risk regardless of work completed or amounts unpaid. --- ## Three Ways Florida HVAC Contractors Lose Their Lien Rights **1. Overlooking Duct Delivery** In Florida, the delivery of ductwork can often be overlooked as the start of the project. This oversight can lead to missed opportunities for sending timely notices, especially when the focus is on larger components like rooftop units. **2. Ignoring Split System Start** When installing split systems, the initial setup of the condenser and evaporator can be seen as minor steps. However, these actions mark the start of the project, and ignoring them can delay the notice process. **3. Coastal Construction Delays** In coastal areas, projects might be delayed due to weather conditions or insurance requirements. These delays can affect the timing of notices, especially if the initial work like air handler setup is pushed back. --- ## Who Must File? Any contractor, subcontractor, sub-subcontractor, laborer, or material supplier who is NOT in direct privity (no direct contract) with the property owner. --- ## Who Is Exempt? Direct contractors (those with a direct contract with the owner) and laborers who are employed by a direct contractor. --- ## How to Serve the Notice Written notice must be served in accordance with Fla. Stat. § 713.18, which permits service by certified mail, registered mail, or hand delivery. The notice must be served on the owner, the contractor, and the lender (if any). --- ## Statutory Notice Text The following text must appear on the notice verbatim. **Florida statute requires this warning text to be rendered in ALL CAPITAL LETTERS.** > WARNING! FLORIDA'S CONSTRUCTION LIEN LAW ALLOWS SOME UNPAID CONTRACTORS, SUBCONTRACTORS, AND MATERIAL SUPPLIERS TO REMOVE YOUR PROPERTY FROM YOUR LAND OR FORECLOSE YOUR PROPERTY IF CERTAIN CONDITIONS ARE NOT SATISFIED. IF YOU FAIL TO NOTIFY US, YOU MAY BE REQUIRED TO PAY TWICE FOR IMPROVEMENTS TO YOUR PROPERTY. TO AVOID SUCH CONSEQUENCES, YOU MUST STRICTLY COMPLY WITH THE TERMS OF FLORIDA'S CONSTRUCTION LIEN LAW. --- ## What Happens When a Florida HVAC Sub Doesn't File In Miami, an HVAC subcontractor was tasked with installing a new split system in a high-rise condominium. On the first day, they delivered the air handlers and began rough-in work for the duct system. However, they overlooked sending a Notice to Owner due to the rush of coordinating deliveries and managing labor. As weeks passed, they completed the installation, including the commissioning of the rooftop units and air balance checks. Without the notice, they faced challenges in securing payment for their work, losing leverage in negotiations with the general contractor. --- ## HVAC-Specific Questions **How does hurricane season affect HVAC notice requirements?** Hurricane season in Florida can delay HVAC projects, impacting when work begins. It's crucial to track when the first piece of equipment, like a rooftop unit, is delivered. Delays due to storms can shift timelines, so staying flexible and informed is key. **What if the HVAC project involves multiple phases?** In multi-phase projects, each phase may have its own start date, such as when ductwork begins or when air handlers are installed. It's important to send notices at the start of each phase to ensure coverage for all work performed. **Does coastal construction require special considerations for notices?** Yes, coastal construction often involves additional challenges like salt air corrosion affecting condensers. These projects may have unique timelines due to environmental factors, so it's important to track when each component, like a VAV system, is installed to ensure timely notices. --- ## Florida Notice to Owner (NTO): Standard FAQs As an HVAC contractor in Florida, understanding the nuances of notices is crucial. **When exactly must I file a Florida Notice to Owner?** Florida Statute § 713.06 requires serving the notice within 45 calendar days of the date you first furnish labor or materials to the project. The deadline is strictly enforced. Consult a Florida construction attorney for guidance on exceptions. *This is general information based on Florida statutes, not legal advice.* **Who is legally required to file a Notice to Owner in Florida?** Florida law requires anyone who is not in direct contract with the property owner (privity) to serve a Notice to Owner. This typically includes subcontractors and material suppliers. Direct contractors are generally exempt. *This is general information based on Florida statutes, not legal advice.* **Does the Florida Notice to Owner need to be notarized?** No, the statute does not require the Notice to Owner to be notarized. However, it must be served via a legally permitted method, such as USPS Certified Mail, to prove delivery. *This is general information based on Florida statutes, not legal advice.* --- ## See the Full State Deadline Guide For a complete breakdown of all filing requirements, project-type rules, and deadlines, see the [Florida Notice to Owner guide](/deadlines/florida). --- ## File the Moment You Mobilize LienFlash automates Florida Notice to Owner (NTO) filing for hvac subcontractors. [Start your first notice →](/signup) --- *This page provides general information about Florida's construction lien law and is not legal advice. Consult a licensed Florida construction attorney for guidance on your specific situation.* --- Source: https://lienflash.app/blog/florida-preliminary-notice-hvac Author: Grant Larsen, President, LienFlash Publisher: LienFlash (https://lienflash.app)