Why Switch from a Boiler to a Heat Pump?
For decades, Long Island homes have relied on oil or gas boilers for heat and separate air conditioning systems (or window units) for cooling. A heat pump conversion changes everything by providing both heating and cooling from a single, highly efficient electric system.
Unlike a boiler that burns fuel to create heat, a heat pump simply moves heat. In the winter, it extracts heat energy from the outside air (even when it is freezing) and moves it inside. In the summer, it reverses the process to cool your home. Because it moves heat rather than generating it, a heat pump can achieve efficiencies of 300% to 400%, compared to just 85-95% for the best modern boilers.
Long Island is uniquely positioned for heat pump adoption. The climate is moderate enough that cold-climate heat pumps can handle the vast majority of winter days with ease, and the hot, humid summers mean you are already paying for air conditioning separately. A heat pump eliminates both your boiler and your AC window units or central air in one move. When you factor in the aggressive state and federal rebates currently available to New York homeowners, the financial case for making the switch has never been stronger.
Whether you currently heat with oil, natural gas, or propane, converting to a heat pump is a viable option. We perform a thorough assessment of your home before recommending anything, and we will give you an honest answer about whether a full conversion, a hybrid system, or sticking with your current boiler makes the most sense for your situation.
Boiler vs. Heat Pump: Comparison
Here is how a traditional boiler compares to a modern cold-climate heat pump.
| Factor | Traditional Boiler | Heat Pump System |
|---|---|---|
| Function | Heating Only | Heating & Cooling |
| Efficiency | 80% - 95% | 300% - 400% |
| Fuel Source | Oil or Natural Gas | Electricity |
| Carbon Footprint | High (Fossil Fuels) | Low (Clean Electric) |
| Rebates | Limited | High (NY Clean Heat) |
| Maintenance | Annual Cleaning | Filter Cleaning |
| Lifespan | 15 - 25 Years | 15 - 20 Years |
| Installation Cost | $5,000 - $15,000 | $15,000 - $30,000 (before rebates) |
The numbers tell a clear story. While the upfront cost of a heat pump system is higher than a boiler replacement, the combination of rebates, lower operating costs, and the elimination of a separate cooling system closes that gap significantly. For homes currently heating with oil or propane, the long-term savings are particularly compelling.
Massive Savings with NY Clean Heat Rebates
Get Up to $10,000+ in Rebates
New York State is aggressively pushing for electrification. Through the NY Clean Heat program, Long Island homeowners can receive thousands of dollars in instant rebates when they decommission their fossil fuel boiler and install a whole-home heat pump system.
These rebates are often deducted directly from your invoice, lowering your upfront cost significantly. As a participating contractor, we handle all the paperwork for you.
On top of NY Clean Heat, federal tax credits under the Inflation Reduction Act provide up to $2,000 for qualifying heat pump installations. Some homeowners also qualify for income-based enhanced rebates through NYSERDA's EmPower+ program, which can cover an even larger portion of the cost. We help identify every program you are eligible for and stack them together to minimize your out-of-pocket investment.
Visit our rebates and incentives page for current program details, or ask us during your free assessment. We also offer financing options to make the conversion more manageable.
Heat Pump Conversion Costs on Long Island
Heat pump systems cost more upfront than a traditional boiler replacement, but the combination of rebates, dual heating/cooling capability, and lower operating costs changes the math significantly. Here is what a typical conversion costs before and after incentives.
Typical Heat Pump Conversion Costs (Installed)
Final cost depends on home size, number of zones, system type, and rebate eligibility. We provide detailed written estimates with all applicable rebates identified before work begins. Visit our cost guide for more details.
After rebates, many Long Island homeowners bring their net cost down to $10,000 to $18,000 for a complete whole-home heat pump system that replaces both their boiler and their air conditioning. When you consider that a boiler replacement alone can cost $7,000 to $15,000 and does nothing for cooling, the value proposition becomes very attractive.
Benefits of Converting to a Heat Pump
One System Does It All
Stop maintaining a boiler for winter and AC units for summer. A heat pump handles 100% of your comfort needs year-round in a single, quiet system.
Lower Energy Bills
By moving heat instead of creating it, heat pumps operate at amazing efficiency. For many homeowners, this translates to lower total energy costs compared to oil or propane.
Enhanced Comfort & Zoned Control
Ductless mini-split systems allow you to control the temperature in every room individually. No more fighting over the thermostat or heating empty rooms.
Safe and Clean
No carbon monoxide risk, no gas leaks, and no oil tank liabilities. It is the safest way to heat your home and improves indoor air quality.
Increases Home Value
Homes with modern heat pump systems are increasingly attractive to Long Island buyers. Energy-efficient heating and cooling is a strong selling point in today's market.
Quiet Operation
Modern heat pumps are remarkably quiet compared to boiler systems and window AC units. Indoor units operate at whisper-level decibels, and outdoor condensers are far quieter than older AC compressors.
Types of Heat Pump Systems for Long Island Homes
Not every home is the same, and neither is every heat pump installation. We offer three primary system configurations, and we will recommend the one that best fits your home's layout, your comfort preferences, and your budget.
Ductless Mini-Splits
Best for homes without ductworkIndividual wall-mounted units in each room connected to an outdoor condenser. Each zone has its own temperature control. No ductwork needed, making this ideal for older Long Island homes with radiator heat. Installation takes 2 to 3 days for a typical 3-4 zone system.
Ducted Central Heat Pump
Best for homes with existing ductworkA single outdoor unit connected to a central air handler that distributes heated or cooled air through your existing duct system. If your home already has ductwork from a forced-air furnace or central AC, this is often the most straightforward and cost-effective option.
Hybrid Heat Pump + Boiler
Best for maximum peace of mindThe heat pump handles the majority of heating and all cooling, while your existing boiler serves as backup for the coldest days. This gives you the efficiency benefits of a heat pump with the security of a proven backup system. Some homeowners start here and transition to full heat pump later.
The Heat Pump Conversion Process in New York
Converting a Long Island home from boiler heat to a heat pump system is a significant project that involves multiple trades, permits, and coordination with utility providers. New York State has specific requirements and incentive programs that make the process different from other parts of the country. Here is a detailed look at how we handle each phase of the conversion for our Long Island customers.
Every conversion starts with a comprehensive in-home assessment. We perform a Manual J load calculation, which is the industry-standard method for determining exactly how much heating and cooling capacity your home needs. This calculation factors in your home's square footage, insulation levels, window types, orientation, and local climate data. Getting this right is critical because an undersized system will not keep you comfortable on the coldest days, while an oversized system will short-cycle and waste energy. Many contractors skip this step and estimate based on square footage alone, which leads to poorly sized systems and unhappy homeowners.
Once we know your home's heating and cooling load, we design a system tailored to your layout. For most Long Island homes with existing radiator or baseboard heat and no ductwork, a ductless mini-split configuration is the most practical option. We determine the optimal number of indoor heads, their placement in each room, and the capacity of the outdoor condenser units. For homes that already have ductwork from a previous forced-air system or central AC, a ducted heat pump may be the better choice. We also design hybrid systems for homeowners who want to keep their boiler as a backup during the transition period.
Electrical capacity is one of the most commonly overlooked aspects of heat pump conversions. A whole-home heat pump system typically requires a 200-amp electrical panel, and many older Long Island homes still have 100-amp or 150-amp service. If an upgrade is needed, we coordinate with PSEG Long Island to ensure the new service is in place before installation day. We handle the permitting for this work through your local municipality, as both electrical and mechanical permits are required for heat pump installations in Nassau and Suffolk County.
New York's Clean Heat program, administered by NYSERDA, plays a major role in how heat pump conversions are structured on Long Island. To qualify for the highest tier of rebates, the old fossil fuel heating system must be fully decommissioned. This means the boiler is disconnected and rendered inoperable, not just turned off. We handle this decommissioning process and provide the documentation NYSERDA requires to verify the work. For homeowners choosing a hybrid approach, partial rebates are still available, though they are typically lower than the full decommissioning incentives.
The on-site installation work generally takes 2 to 4 days depending on the complexity of the project. Our crews mount the indoor units, set the outdoor condenser on a concrete pad or wall bracket, run the refrigerant lines and electrical connections, and commission the entire system. We test every zone, verify refrigerant charge, and walk you through the controls and thermostat operation before we leave. A municipal inspection follows to verify the work meets code.
Here is how the process breaks down step by step:
Free In-Home Assessment and Manual J Load Calculation
We evaluate your home's heating and cooling needs, inspect the electrical panel, check insulation, and discuss your comfort preferences. You receive a detailed written estimate covering every component of the conversion.
Custom System Design
We design a ducted, ductless, or hybrid system optimized for your home's layout. We select equipment, determine indoor unit placement, and plan the refrigerant line routing to minimize visual impact.
Electrical and Permit Coordination
If a panel upgrade is needed, we coordinate with PSEG Long Island. We pull all required mechanical and electrical permits from your local municipality in Nassau or Suffolk County.
Rebate Pre-Approval
We submit your project to NYSERDA through the NY Clean Heat program for pre-approval. This locks in your rebate amount before installation begins so there are no surprises.
Professional Installation (2-4 Days)
Our crew installs the outdoor condenser, mounts indoor units or connects ductwork, runs refrigerant lines, and wires the controls and thermostat. We protect your home throughout the process.
Boiler Decommissioning
To qualify for full NY Clean Heat rebates, we decommission your old boiler and provide all required documentation. If you are keeping the boiler for hybrid use, we configure the switchover controls.
Testing, Inspection, and Walkthrough
We commission every zone, verify refrigerant levels and airflow, schedule the municipal inspection, and walk you through your new system's operation. We make sure you are completely comfortable before we leave.
The total timeline from first call to a fully operational system is typically 3 to 6 weeks. The best time to start is spring or early summer, when demand is lower and you can have your new system ready for both cooling season and the following winter.
What Our Heat Pump Customers Are Saying
"We had an old oil boiler that was costing us a fortune every winter. Domino's walked us through the whole heat pump process, handled all the NYSERDA paperwork, and got us over $8,000 in rebates. Our first winter with the Mitsubishi system was incredible. Every room is comfortable, and our energy bills dropped by about 35%. Best home improvement decision we have ever made."
"I was skeptical that a heat pump could keep our 2,400 sq ft colonial warm in January. The Domino's team did a full load calculation and designed a 5-zone ductless system that has been amazing. We went through the entire winter without touching our old gas boiler, even on single-digit nights. And this summer we ditched our window units for the first time. The whole house stays perfectly cool and quiet."
"We chose the hybrid option because we were not ready to fully give up our gas boiler. The team installed a 3-zone mini-split system and set up controls so the heat pump does most of the work but the boiler kicks in if temperatures drop below 15 degrees. Our gas usage is down by about 70%, and we finally have AC in our bedrooms. Very happy with the results and with how professional the crew was."