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Top Boiler Installation & Replacement Contractors in Miami Beach, Florida Ranked
A boiler is the heart of many Miami Beach homes, providing reliable hot water for heating and domestic use. Whether you're upgrading an aging system, replacing a failed unit, or installing a new boiler in a renovation, understanding the process, costs, and local requirements is key to a successful project. This guide provides the essential information you need to navigate boiler work in Miami Beach, from selecting the right type to ensuring full compliance with Florida's strict building and safety codes.

Shark AC & Refrigeration
4900 SW 101st Ave, Miami, FL 33165
Shark AC & Refrigeration is a Miami, FL-based company offering a range of HVAC and refrigeration services. They provide repair, maintenance, and installation for air conditioning, boilers, furnaces, and commercial refrigeration systems including walk-in coolers, freezers, and ice machines. The company also handles duct cleaning, ventilation installation, and air and water systems balancing. Shark AC & Refrigeration serves Miami and surrounding areas such as Hialeah, West Palm Beach, Key West, and Fort Lauderdale. They offer 24-hour service throughout the week to support commercial and residential clients.

60 Degrees
SW 129th Ave, Miami, FL 33175
60 Degrees is an HVAC company based in Miami, FL, providing heating, ventilation, and air conditioning services for both residential and commercial properties. They offer repair, installation, and tune-up services for air conditioners, furnaces, heat pumps, and boilers. Their certified technicians focus on delivering efficient and reliable HVAC solutions. 60 Degrees serves the Miami area with a full range of HVAC capabilities to maintain comfort throughout the year.

Grand AC Repair
2251 NW 20th St, Miami, FL 33142
Grand AC Repair is a family-owned HVAC company serving Miami, FL, with over 10 years of experience. They provide a full range of heating and air conditioning services including repair, replacement, and installation for air conditioners, furnaces, heat pumps, and boilers. As a Factory Authorized Dealer, they employ NATE-Certified technicians and offer 24-hour emergency service along with same-day service options. Their capabilities include indoor air quality solutions such as electronic air cleaners, air purifiers, and humidifiers. The company also emphasizes eco-friendly practices and energy-saving technologies in their work.

Xtreme HVAC Inc
Miami Lakes, Miami, FL 33015
Xtreme HVAC Inc provides heating, air conditioning, and duct cleaning services in Miami, FL. They offer installation and repair for furnaces, heat pumps, boilers, and air conditioning systems, along with duct replacement and sanitation. Serving Miami-Dade, Broward, and Palm Beach counties, the company emphasizes licensed technicians and transparent pricing. Their capabilities include air duct cleaning using the latest technology. Xtreme HVAC Inc also offers 24/7 emergency services to address urgent HVAC needs.

Sears Heating and Air Conditioning
3825 NW 7th St, Miami, FL 33126
Sears Heating and Air Conditioning provides comprehensive HVAC repair and installation services in Miami, FL. Their certified technicians handle a wide range of heating and cooling systems, including furnaces, heat pumps, boilers, central air conditioning, and mini-split units. They offer accurate diagnostics, component replacement, and regular maintenance to ensure system efficiency and longevity. Sears has over 100 years of experience in home services and uses genuine manufacturer parts for repairs and installations. They also provide same-day and next-day appointments for many services.
Understanding Boiler Types for Your Home
Choosing the right boiler depends on your home's existing infrastructure, heating needs, and efficiency goals. The primary systems found in Miami Beach include:
- Hydronic Systems: These are the most common in older homes and many newer constructions. A hydronic boiler heats water, which is then circulated through a network of pipes to radiators, baseboard heaters, or in-floor radiant tubing. They provide consistent, comfortable heat and can be powered by natural gas, oil, or electricity.
- Combi (Combination) Boilers: An increasingly popular choice, especially for smaller homes or condos where space is limited. A single, compact combi unit provides both space heating and on-demand domestic hot water, eliminating the need for a separate water heater. They are highly efficient as they only heat water when needed. 1
- Condensing Boilers: Often gas-fired, these are high-efficiency units designed to extract more heat from the combustion gases. They cool the exhaust to the point where water vapor condenses, recovering latent heat that would otherwise be wasted. This makes them a top choice for energy savings.
- Steam Boilers: Found in some historic properties, these systems boil water to create steam, which travels through pipes to radiators. While effective, they often require specialized knowledge for installation and maintenance.
Navigating Miami-Dade Permits and Inspections
Permits are non-negotiable for boiler installation or replacement in Miami Beach. Your contractor will typically handle this process with the Miami-Dade County Building Department. The permit ensures the planned work complies with all safety and building codes.
Inspections are mandatory and are critical for safety. According to Florida regulations, a state-licensed boiler inspector must inspect the installation of any boiler with a heat input of 200,000 BTU/h or more, a water temperature of 200°F or more, or a capacity of 120 gallons or more. 2 Even for smaller residential units, a local building inspection is usually required to receive a Certificate of Inspection, which is your official approval to operate the new system.
Compliance with Florida Codes and Standards
All boiler work must adhere to a strict set of codes designed for safety and performance:
- Florida Building Code, Chapter 20: This is the primary residential code governing the installation of boilers and water heaters, covering everything from clearances and venting to pressure relief valves.
- ASME Codes: The boiler unit itself must be constructed and stamped in accordance with the American Society of Mechanical Engineers (ASME) codes. Your installer must follow the manufacturer's instructions, which are considered part of the code compliance.
- Ventilation and Combustion Air: This is a crucial and often overlooked aspect. The boiler must have an adequate supply of outside air for safe combustion and proper ventilation of the boiler room to prevent the buildup of dangerous gases. Code requirements for air supply are specific and must be meticulously followed. 3
What to Expect: Costs for Boiler Replacement
The total investment for a new boiler system in Miami Beach varies widely based on the unit type, home size, and complexity of the installation. Here's a general cost breakdown:
- General Replacement Range: For a full residential boiler replacement, homeowners can expect a range from approximately $4,290 to over $10,070.
- Costs by Boiler Type:
- Electric Boiler: $7,500 - $12,500
- Combi Boiler: $7,500 - $12,000
- Key Cost Factors: The final price is influenced by the boiler's size (BTU output), efficiency rating (AFUE), labor costs for installation, any necessary modifications to piping or venting, and local permit and inspection fees (which can range from $50 to $500 or more). 6 7 8
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The Installation Process: From Start to Finish
A professional boiler installation follows a structured process to ensure safety, efficiency, and code compliance.
- Initial Consultation and Load Calculation: A qualified technician will assess your home's heating needs, calculate the required BTU load, evaluate your existing system (pipes, radiators, vents), and discuss your options.
- System and Unit Selection: Based on the assessment, you'll choose the appropriate boiler type, size, and efficiency model. Your installer should provide clear options and recommendations.
- Permit Acquisition: Your contractor will submit the necessary plans and applications to Miami-Dade County to pull the required mechanical and plumbing permits.
- Preparation and Removal: The old boiler is safely disconnected and removed. The new location is prepared, ensuring all clearances and connections meet code.
- Installation and Connection: The new boiler is set, connected to fuel, water, and electrical lines, and integrated with your home's heating distribution system (e.g., radiators, baseboards).
- Venting and Safety Checks: The flue and ventilation system is installed or verified. All safety devices, including pressure relief valves and low-water cutoffs, are installed and tested. 9
- System Startup and Inspection: The installer will fill the system, purge air, fire up the boiler, and calibrate all controls. They must also provide you with operating instructions and a system diagram. Finally, they will coordinate the required municipal or state inspection. 10
Choosing the Right Professional in Miami Beach
This is the most important decision you'll make. Look for a contractor who is:
- Licensed and Insured: They must hold an active Florida HVAC or plumbing contractor's license and carry both liability and worker's compensation insurance.
- Local Experience: Choose a pro familiar with Miami-Dade County's specific permit process, inspection protocols, and common architectural challenges (e.g., coastal corrosion, space constraints in older buildings).
- Code Knowledgeable: They should readily demonstrate knowledge of the Florida Building Code (Chapter 20), ASME standards, and combustion air requirements. 11 12
- Transparent in Quoting: Provides a detailed, written estimate that breaks down equipment, labor, permit fees, and any potential ancillary costs.
Ensuring Long-Term Performance and Efficiency
After installation, proper maintenance is key. Annual servicing by a professional should include cleaning the heat exchanger, checking burner combustion, testing safety controls, and inspecting the venting system. This not only ensures safe operation but also maintains the unit's efficiency, saving you money on energy bills over the long term. Consider inquiring about extended warranties or service plans from your installer.
Frequently asked questions
Sources
Footnotes
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Chapter 554 - 2025 Florida Statutes - https://www.flsenate.gov/Laws/Statutes/2025/Chapter554/All ↩
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STATE OF FLORIDA: BOILER FAQ, LAWS, & RULES - https://steineratlantic.com/2016/11/15/state-of-florida-boiler-faq-laws-rules/ ↩
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Fla. Admin. Code Ann. R. 69A-51.060 | State Regulations - https://www.law.cornell.edu/regulations/florida/Fla-Admin-Code-Ann-R-69A-51-060 ↩
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How Much Does Boiler Replacement Cost in 2026? Price by Type - https://modernize.com/hvac/heating-repair-installation/boiler ↩
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How Much Does an Oil Boiler Cost? | Replace, Install & Operation Costs - https://modernize.com/hvac/heating-repair-installation/boiler/oil ↩
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Water Heater Replacement Cost in Miami - Sunny Bliss Plumbing & Air - https://sunnybliss.com/water-heater-replacement-cost/ ↩
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Boiler Replacement Cost and Price - Carrier - https://www.carrier.com/residential/en/us/products/boilers/cost-buying-boiler-replacement/ ↩
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How much does a new boiler cost to install or replace? - HomeGuide - https://homeguide.com/costs/boiler-replacement-cost ↩
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Comprehensive Boiler Installation Guide - PlumbersStock - https://www.plumbersstock.com/how-to-hvac/boilers/comprehensive-installation-guide.html ↩
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CHAPTER 20 BOILERS AND WATER HEATERS - ICC Digital Codes - https://codes.iccsafe.org/content/FLRC2023P1/chapter-20-boilers-and-water-heaters ↩
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Mechanical Permits - Miami-Dade County - https://www.miamidade.gov/global/economy/building/permits/mechanical.page ↩
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CHAPTER 20 BOILERS AND WATER HEATERS - 2020 FLORIDA BUILDING CODE, RESIDENTIAL, 7TH EDITION - https://codes.iccsafe.org/content/FLRC2020P1/chapter-20-boilers-and-water-heaters ↩