Replace your aging furnace with a modern heat pump — year-round heating and cooling in one efficient system
A furnace-to-heat-pump conversion replaces your existing gas or oil furnace with a heat pump system that provides both heating and cooling from a single unit. Unlike a furnace that burns fuel to create heat, a heat pump transfers heat from outdoor air into your home during winter and reverses the process to cool your home in summer. Modern cold-climate heat pumps — including Mitsubishi Hyper-Heating, Carrier Infinity with Greenspeed, and Daikin Aurora models — maintain full heating capacity down to 5°F, making them a viable primary heating source for Nassau County's winters. The result is a single system that replaces both your furnace and air conditioner, typically reducing energy costs by 30-50% compared to a gas furnace and central AC combination.
Home+ Air & Heat has completed hundreds of furnace-to-heat-pump conversions across Nassau County. We handle the complete project scope — from initial home assessment and Manual J load calculation, through ductwork modification and electrical panel upgrades, to final commissioning and PSEG rebate paperwork. Whether you're converting from a gas furnace, oil furnace, or considering a dual-fuel hybrid setup that keeps your furnace as backup, we design the right system for your home's specific needs, insulation levels, and comfort expectations.
Six reasons Nassau County homeowners are making the switch
One system for heating and cooling. No more managing separate furnace and AC systems — a heat pump does both, switching seamlessly between modes as seasons change.
Heat pumps deliver 2-4x more energy than they consume by transferring heat rather than generating it. Most homeowners see 30-50% reduction in combined heating and cooling costs.
Federal IRA tax credits cover up to $2,000 for qualifying heat pump installations. PSEG Long Island offers an additional $1,000 rebate. We handle all the paperwork.
Modern heat pumps operate at 55-65 dB outdoors — quieter than a normal conversation. Variable-speed compressors ramp up gradually rather than cycling on and off like furnaces.
Heat pumps don't burn fuel, eliminating carbon monoxide risk from cracked heat exchangers. No gas lines, no pilot lights, no combustion byproducts in your home.
New York State is moving toward building electrification requirements. Converting now positions your home ahead of future regulations while maximizing available incentives.
Choose the approach that fits your comfort level and budget
From $10,000
Complete furnace removal and heat pump installation
From $8,000
Keep your furnace as backup, add heat pump as primary
Many Nassau County homes — especially those built in the 1950s through 1980s — have 100-amp or 150-amp electrical panels that were sized for an era before heat pumps, electric vehicles, and modern electrical loads. A standard 3-ton ducted heat pump requires a 30-amp or 40-amp dedicated 240V circuit, and a larger 5-ton system may need a 50-amp circuit. If your panel is already near capacity with existing loads like an electric dryer, range, and water heater, you'll need an upgrade to 200-amp service before the heat pump can be installed. We assess your panel capacity during the initial home evaluation and perform panel upgrades in-house — no need to coordinate with a separate electrician. The IRA also provides a separate $600 tax credit for electrical panel upgrades done in conjunction with heat pump installations, further reducing your net cost.
Your existing furnace ductwork was designed for furnace airflow characteristics — typically higher supply air temperatures (120-140°F) at lower volumes. Heat pumps operate differently, delivering air at lower temperatures (90-110°F) but at higher volumes to achieve the same heating output. This means your duct system needs to move more air per minute than it did with your furnace. During our assessment, we measure static pressure, check duct sizing against the heat pump's required CFM, inspect for leaks and disconnections, and evaluate return air capacity. Common modifications include enlarging the return air plenum, adding return air pathways to improve circulation, sealing duct joints with mastic, and occasionally adding supply runs to rooms that were borderline undersized with the furnace. In some cases — particularly homes with severely undersized or deteriorated ductwork — a ductless or hybrid approach is more cost-effective than a full duct renovation.
Nassau County's post-war housing stock presents unique conversion considerations. Levittown Cape Cods and ranches, Hicksville split-levels, and Garden City colonials each have different ductwork configurations, insulation levels, and electrical service sizes. A Levittown Cape Cod with original ductwork in a crawl space needs a different approach than a Syosset colonial with a full basement and modern ductwork. Our experience across hundreds of Nassau County conversions means we've seen — and solved — nearly every configuration challenge this housing stock presents. We also understand the PSEG Long Island rate structures that affect your conversion economics. PSEG offers a discounted electricity rate for homes that heat primarily with heat pumps, which can further improve the payback calculation. During your consultation, we model your projected energy costs under different scenarios — full conversion, dual-fuel, and keeping your existing furnace — so you can make an informed decision based on your specific home and usage patterns.
If your furnace just died and repair isn't viable, converting to a heat pump may cost less than you think — and you'll get cooling too. We offer expedited conversion timelines for emergency situations.
Factory-trained technicians for all major HVAC manufacturers









Don't see your brand? We service all major manufacturers! Call us to confirm.
"Converted our 25-year-old gas furnace to a Carrier Infinity heat pump. The team handled everything — removed the old furnace, upgraded our panel to 200A, modified the ductwork, and had the new system running in two days. Our first winter was incredibly comfortable and our gas bill dropped to almost nothing."
"We went with the dual-fuel option — kept our gas furnace as backup and added a Mitsubishi heat pump as primary. Best decision we made. The heat pump handles 90% of heating and all our cooling. The tax credit and PSEG rebate knocked $3,000 off the price."
"Our oil furnace died in December and we decided to convert instead of replace. They got us into a Daikin cold-climate heat pump within a week. No more oil deliveries, no more tune-ups, and the system cools in summer too. Should have done this years ago."
We evaluate your current furnace, ductwork, insulation, and electrical panel. A Manual J load calculation determines the exact heating and cooling capacity your home requires.
Based on your home's needs, we recommend the optimal heat pump system — ducted, ductless, or hybrid. We present options at multiple price points with projected energy savings and available incentives.
Our team handles everything: furnace removal, heat pump installation, ductwork modifications, electrical upgrades, thermostat setup, and refrigerant line routing. Most conversions complete in 1-2 days.
We verify refrigerant charge, airflow, heating and cooling mode operation, defrost cycle function, and thermostat programming. You receive a full system walkthrough and all warranty documentation.
Furnace-to-heat-pump conversions start at $10,000 for a standard ducted system. Federal IRA tax credits of up to $2,000 and PSEG Long Island rebates of up to $1,000 can reduce your net cost significantly. Dual-fuel hybrid conversions and ductless systems are priced based on home size and configuration. Free in-home estimates available.
Expert heat pump conversions across Nassau County
From our Jericho headquarters, we provide furnace-to-heat-pump conversions in Jericho, Syosset, Hicksville, Woodbury, Plainview, Westbury, Old Westbury, Bethpage, Mineola, Carle Place, East Meadow, Old Bethpage, New Cassel, Williston Park, Garden City, Levittown, Hempstead, Uniondale, Farmingdale, Bellmore, North Bellmore, Wantagh, Manhasset, Great Neck, Roslyn, New Hyde Park, Floral Park, Glen Cove, Oyster Bay, Locust Valley, Brookville, Port Washington, and surrounding areas.
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Home+ Air & Heat
55 Jericho Tpke Suite 203, Jericho, NY 11753
Free estimates • Up to $3,000 in incentives • Heating + cooling in one system