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Top Boiler Installation & Replacement Contractors in Yonkers, New York Ranked
Replacing or installing a new boiler in your Yonkers home is a significant investment in comfort, efficiency, and safety. A modern, properly sized heating system can dramatically lower your energy bills and provide reliable warmth for years to come. This guide is designed to help you understand the local requirements, costs, and key considerations for your boiler project, empowering you to find and work with qualified local professionals who can ensure the job is done right.

KOKA-TECH HVAC INC
60-21 Menahan St, Ridgewood, NY 11385
KOKA-TECH HVAC INC provides professional heating and cooling services in New York, NY, including installation, repair, and tune-ups for air conditioners, furnaces, heat pumps, boilers, and mini splits. They offer 24/7 emergency support and same-day availability, serving Queens, Brooklyn, Manhattan, Bronx, and Long Island. The company is licensed and insured, with a strong local presence and expertise in NYC buildings. With nearly 300 five-star reviews, KOKA-TECH HVAC INC is recognized for upfront quotes and customer approval before starting work.

Meyer & Depew Co., Inc.
309 Lafayette Ave, Kenilworth, NJ 07033
Meyer & Depew Co., Inc. is an HVAC company serving Newark, NJ, specializing in air conditioning, furnace, and boiler installation, repair, and maintenance. They offer services including central AC installation, heating system tune-ups, and ductless mini split system installations. The company provides 24/7 availability for heating and air conditioning repairs and maintenance. Their technicians are licensed and experienced in handling high-efficiency heating and cooling systems, including Energy Star® boilers and furnaces. Meyer & Depew has a strong presence in central and northern New Jersey and is known for its preventative maintenance plans and technical expertise.

Airtek Mechanical Heating & Cooling LLC
400 Valley Brook Ave, Lyndhurst, NJ 07071
Airtek Mechanical Heating & Cooling LLC is an HVAC contractor based in Newark, NJ, providing residential and commercial heating, cooling, and refrigeration services. They offer repairs, installations, and maintenance for air conditioning, furnaces, boilers, and ductless mini-split systems. Their capabilities include 24-hour emergency HVAC repairs and servicing a variety of unit types such as rooftop package units and wall air conditioners. With over 10 years of experience, Airtek Mechanical serves Newark and surrounding areas with a focus on comprehensive HVAC solutions.

Woolley Home Solutions
12 Burnet Ave, Maplewood, NJ 07040
Woolley Home Solutions is a family-owned HVAC and plumbing company serving Newark, NJ, and surrounding counties. They provide heating and cooling services including installation and repair of oil and gas furnaces, boilers, dual fuel systems, and air conditioning units. Woolley Home Solutions also offers plumbing services such as repairs and fixture installations. With over 100 years of experience, the company emphasizes reliable home comfort solutions and incorporates Bioheat® fuel, a low-carbon energy source compatible with existing heating equipment.

Liberty Heating & Cooling
66 Lincoln Pl, Garfield, NJ 07026
Liberty Heating & Cooling is a family-owned HVAC company based in Newark, NJ. They provide heating and air conditioning services for both residential and commercial properties, including installation, repair, and maintenance of boilers, furnaces, air conditioners, and ductless mini split systems. Their certified technicians have extensive experience in boiler and AC repairs as well as HVAC tune-ups, ensuring reliable system performance.
Understanding Your Boiler System Options
Before contacting a contractor, it helps to understand the basic components and types of boiler systems available. The core function of any boiler is to heat water, which is then circulated to provide warmth. The two primary system types in Yonkers homes are hot water (hydronic) systems, which use baseboard radiators or radiant floor tubing, and steam systems, which use traditional radiators. Identifying which type you have is the first step.
The fuel source is another critical factor. Natural gas is the most common fuel in the area due to its availability and cost, but many older homes still utilize oil-fired boilers1. Some systems are even set up for dual fuel, capable of switching between gas and oil. When it comes to the boiler unit itself, you'll generally choose between a conventional model and a high-efficiency condensing boiler. Condensing boilers capture extra heat from exhaust gases, achieving efficiency ratings over 90%, which can lead to substantial fuel savings 1 2. Another space-saving option is a combination (combi) boiler, which provides both home heating and domestic hot water from a single unit 3.
Yonkers Codes and Permit Requirements: What You Must Know
Boiler work in Yonkers is highly regulated to ensure safety and compliance with both city and New York State codes. Attempting a DIY installation or hiring an unqualified handyman is not only dangerous but illegal. All installation and replacement work must be performed by a licensed professional, such as a Master Plumber or an Oil Burner Installer licensed by the City of Yonkers.
A permit is mandatory for any boiler installation or alteration. The permit process, managed through the City's online system, requires detailed information and the payment of fees. For most projects, detailed plans must be submitted as part of the permit application. These plans should include specifications like the boiler's BTU output, fuel type, control schematics, flue details, and piping diagrams. This ensures the proposed system meets all technical requirements before any work begins.
Several specific safety devices are required by code in Yonkers. A backflow prevention device (such as those rated ASSE 1013 or 1012) must be installed on the city water supply line to the boiler to prevent contamination of the drinking water. For closed hot water systems, an expansion tank is required to accommodate the expansion of heated water 4. Proper combustion air supply for the boiler is also strictly regulated, especially for solid or liquid fuel systems, to prevent the dangerous buildup of carbon monoxide 4.
The Installation Process and Professional Credentials
A proper boiler replacement is more than just swapping an old unit for a new one. A reputable contractor will start with a Manual J heating load calculation. This essential step determines the exact heating needs (in BTUs) of your home based on its size, insulation, windows, and other factors. Sizing a boiler correctly is crucial; an oversized unit will cycle on and off inefficiently, while an undersized one will struggle to heat your home.
Once the correct boiler is selected, the installation process involves disconnecting and removing the old unit, preparing the space (which may include updating gas lines, electrical connections, or the chimney flue), installing the new boiler and all required safety components (expansion tank, backflow preventer, etc.), and integrating it with your existing heating distribution system (pipes, radiators, controls).
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After installation, the work is not complete until it passes inspection. The City of Yonkers requires inspections to verify the installation complies with all codes before the system can be operated 5. Furthermore, note that the City mandates annual inspections for all operational boilers to ensure ongoing safety 6. Your contractor should guide you through this compliance process.
When vetting local HVAC and plumbing professionals, always verify their credentials. Confirm they hold the necessary Yonkers licenses, carry adequate insurance (liability and workers' compensation), and can provide references from recent boiler projects in the area. A contractor familiar with Yonkers' specific permit office and inspectors can navigate the process much more smoothly 7.
Cost Factors for Boiler Replacement in Yonkers
The cost of a boiler replacement in Yonkers can vary widely, but homeowners can generally expect a range of $4,000 to $10,000 or more for a full replacement, including the unit and professional labor 8. Several key factors influence the final price.
- Home Size and BTU Requirements: Larger homes require boilers with higher BTU outputs, which cost more. For example, a system for a 1,500 sq. ft. home (65k-75k BTU) may range from approximately $5,000 to $7,000, while a system for a 2,000 sq. ft. home (85k-95k BTU) could range from $5,900 to over $8,000 9 10.
- Boiler Efficiency and Type: High-efficiency condensing boilers have a higher upfront equipment cost than standard models but offer long-term savings. Combi-boilers or units with advanced modulating controls will also be at the higher end of the price spectrum 11.
- Fuel Type: Converting from an oil-fired system to a natural gas system, or vice versa, adds significant cost for new fuel lines, tanks (for oil), or gas service upgrades.
- Labor and Complexity: Labor rates in the region, the accessibility of the boiler location (e.g., a tight basement vs. a spacious utility room), and the amount of ancillary work needed-such as replacing old radiators, updating piping, or installing new thermostatic controls-all contribute to the labor cost.
- Permits and Fees: Remember to factor in the cost of the required city permits and any associated plan review fees 12.
The most reliable way to understand the cost for your specific situation is to obtain multiple detailed quotes from licensed local contractors. Each quote should itemize equipment, labor, materials, and permit fees for an accurate comparison 13 14.
Finding a Qualified Yonkers Boiler Professional
To find licensed specialists for your heating system project, you can use industry tools like U.S. Boiler Company's contractor finder or local service matching platforms like ProMatcher, which can connect you with prescreened professionals in the Yonkers area. When you contact them, be prepared to discuss your current system, any issues you're experiencing, and your goals for the replacement (e.g., higher efficiency, more consistent heat).
A trustworthy contractor will ask to see your current setup and will perform that essential load calculation. They should provide a written, detailed estimate and clearly explain the permit process, timeline, and what their workmanship warranty covers. Taking the time to choose the right professional is the best way to ensure a smooth, compliant, and successful boiler installation that will keep your Yonkers home warm for many winters to come.
Frequently asked questions
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Footnotes
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Annual Low Pressure Boiler Inspection Review List - NYC.gov ↩ ↩2
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Project Requirements - Design Professional - Boiler - Buildings ↩
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Chapter 20 Boilers and Water Heaters: New York State Residential ... ↩ ↩2
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Project Requirements - Registrant - Boiler - Buildings - NYC.gov ↩
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How Much Does Boiler Replacement Cost? (2026) - This Old House ↩
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How Much Does Boiler Replacement Cost in New York, NY? | Angi ↩
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[How Much Does Boiler Installation and Replacement Cost? 2026 ... ↩