Installing a new boiler is a major home upgrade, especially in a place like Nassau County, NY, where winters can be long and cold. Homeowners often ask how much a new boiler installation costs and what factors affect the final price. On average, the cost to install a new boiler in Nassau County ranges from $4,500 to $9,500, including equipment, labor, and basic installation. However, the total cost can be higher or lower depending on several important factors.
Factors That Affect Boiler Installation Cost

1. Type of boiler
The type of boiler you choose has the biggest impact on cost.
- Gas boilers usually cost between $4,500 and $8,000 and are the most common choice because they are efficient and affordable to run.
- Oil boilers range from $5,500 to $9,500 and are common in older homes. They cost more due to fuel storage and maintenance needs.
- Electric boilers are priced around $3,500 to $7,000, but they may lead to higher monthly electricity bills.
High-efficiency or condensing boilers cost more upfront, but they use less energy and can reduce heating bills over time. Professionals like Order a Plumber can help homeowners choose the right boiler based on home size, fuel availability, and budget.
2. Size and layout of your home
Larger homes need more powerful boilers to heat the space evenly. A small single-family home will cost less to equip than a large multi-story house. Older homes may also need special sizing or system adjustments, which can increase installation costs.
3. Complexity of the installation
If you are replacing an old boiler with a similar model, installation is usually simpler and less expensive. Costs increase if the job requires:
- Removing an old or damaged boiler
- Replacing old pipes or valves
- Upgrading ventilation or chimney liners
- Converting from oil to gas
Experienced installers, such as Order a Plumber, can identify these issues early and prevent unexpected expenses.
Labor, Permits, and Local Requirements

Labor costs in Nassau County typically range from $1,500 to $3,500, depending on how long the installation takes and how complex the work is. Licensed professionals ensure the boiler is installed safely and correctly.
Permits and inspections are required in Nassau County and usually add $200 to $600 to the total cost. These steps ensure the system meets safety and building codes. Working with a professional service like Order a Plumber helps simplify this process, as they handle permits and inspections for you.
Additional Costs to Keep in Mind

Some homes may need extra upgrades during boiler installation, such as:
- New thermostats or smart temperature controls
- Pipe or radiator repairs
- Chimney or venting upgrades
These additions can increase the total cost by $500 to $2,000, depending on the home’s condition.
When Should You Replace Your Boiler?

Replacing a boiler is often worth it if your current system is over 15 years old, breaks down frequently, or causes high heating bills. New boilers are quieter, more reliable, and much more energy-efficient. Many Nassau County homeowners rely on trusted services like Order a Plumber to inspect their existing system and recommend whether repair or replacement makes more financial sense.
How Order a Plumber Can Help

Boiler installation requires skill, proper tools, and knowledge of local codes. Order a Plumber provides professional boiler installation services that focus on safety, efficiency, and long-term performance. Our team helps with system selection, correct sizing, installation, and post-installation support, making the process stress-free for homeowners.
Final Thoughts
The cost to install a new boiler in Nassau County, NY depends on the boiler type, home size, labor, and required upgrades. While the upfront cost can be significant, a new boiler improves comfort, lowers energy bills, and reduces future repair costs. Choosing experienced professionals such as Order a Plumber ensures your investment is protected and your home stays warm and efficient for years to come.
FAQs
Q. What is the cost of installing a new boiler?
A. Installing a new boiler usually costs more than repairs because it includes the unit, labor, permits, and setup. The total depends on the boiler type, home size, and installation work needed.
Q. How much does it cost to replace a boiler in Long Island, NY?
A. Boiler replacement in long island, NY is generally higher due to labor rates, permits, and building rules. Costs vary based on the system type and building size.
Q. What is the labour cost to replace a boiler?
A. Labor costs depend on job complexity and time required. Simple replacements cost less, while upgrades or system changes cost more.
Q. How much does it cost to replace a Burnham boiler?
A. Replacing a Burnham boiler depends on the model, efficiency level, and installation work. High-efficiency models usually cost more than standard ones.

