Switching From Traditional Heating & Cooling to Heat Pumps: The 2026 Adirondack Guide

Quick answer: switching from a furnace, boiler or baseboard plus window air conditioners to a cold-climate heat pump gives a North Country home one system that heats and cools, costs less to run than oil, propane or resistance heat, needs no fuel deliveries and qualifies for NYS Clean Heat rebates. The upfront cost is higher than a like-for-like furnace swap, so the decision comes down to long-term savings, incentives and how the system is designed. This guide covers all of it, updated for 2026.

How a heat pump differs from what you have

A furnace or boiler makes heat by burning fuel; baseboard makes it by running current through a wire. A heat pump makes none — it moves heat that already exists in the outdoor air into the house, using a refrigerant loop and a compressor. In summer it runs the same loop backward and moves heat out. That is why it is both the furnace and the air conditioner, and why it delivers two to three units of heat for every unit of electricity it uses. Air-source heat pumps (what we install) pull heat from the air; ground-source systems pull it from the earth through a buried loop and cost far more to install. Start with what is a heat pump for the basics.

A short history of heat pump technology

Lord Kelvin described the heat pump principle in the 1850s, but it took until the 1940s and 1950s for air-source heat pumps to show up in buildings — mostly in the South, where winters were mild. The energy shocks of the 1970s revived interest as a way to cut dependence on fuel oil, and ground-source systems grew through the 1980s and 1990s. The 2000s brought the breakthroughs that matter for us: variable-speed inverter compressors, better refrigerants and smarter controls. Mitsubishi Electric introduced its first Hyper-Heating INVERTER system in 2009, and today's H2i Plus models hold 100% of rated capacity at 5°F and keep running to -22°F. The cold-climate heat pump stopped being a Southern appliance and became an Adirondack one.

Federal incentives: what changed

For years a federal tax credit covered a share of a qualifying heat pump install. That credit expired on December 31, 2025. As of 2026 there is no federal tax credit for residential heat pumps, and any contractor still quoting one is working from an old brochure. The good news is that the state and utility money — which was always the larger share in New York — is still here.

Rebates for heat pumps in New York and Vermont

New York's Clean Heat program, administered by NYSERDA and paid through your electric utility, rebates qualifying cold-climate heat pump installations. In the North Country that means NYSEG for most towns and National Grid for some. Rebates are tiered: adding a zone to an existing home earns one level; a whole-home conversion that displaces oil or propane earns more; income-qualified households may access additional NYSERDA assistance. Programs change year to year, so we confirm what your home qualifies for at the free estimate and file every form. Across Lake Champlain, Efficiency Vermont and utility bonuses do the same job for Addison County. Current details: rebates & savings, and nyserda.ny.gov.

How much can you save in the Northeast?

It depends on the fuel you are leaving, the price of electricity, the size and tightness of the house, and the efficiency of the system. The US Department of Energy puts air-source heat pump savings at up to 50% versus electric resistance heating, and ground-source at up to 70% versus conventional systems. Against oil and propane the answer moves with fuel prices — which is exactly the problem with oil and propane. A quick way to see your own number is the savings calculator: enter your ZIP, home size and fuel, and it shows today's annual cost, what three Mitsubishi options would cost to run, and your five-year cost of doing nothing. Our operating-cost article goes deeper.

One system for heating and cooling

A heat pump cools exactly the way an air conditioner does — it is an air conditioner, with a reversing valve. In summer it pulls heat out of the house; in winter it pulls heat in from outside. For an Adirondack home that has lived with a furnace and a closet full of window units, this is the lifestyle change customers mention most: real, quiet, dehumidified cooling in every room with a head, from the same equipment that heats it.

Cheaper to operate for air conditioning

Because a Mitsubishi inverter system modulates rather than cycles, it can be up to 40% more efficient than a conventional air conditioner, and dramatically more efficient than window units. It also dehumidifies better, which lets you hold a higher setpoint comfortably. For lakeside camps and village homes in Ticonderoga, where July humidity is the real enemy, that is the difference between clammy and comfortable. See Mitsubishi air conditioning.

No fossil fuel required

A heat pump runs entirely on electricity. No oil tank, no propane contract, no chimney, no combustion byproducts and no carbon monoxide in the house. Because it moves heat instead of making it, the energy it uses is a fraction of what combustion needs for the same warmth, and on New York's relatively clean grid the emissions drop is substantial. Many of our customers remove the oil tank the same season.

Financing the switch

Several ways to manage the upfront cost:

• Rebates and incentives — NYS Clean Heat through NYSEG and National Grid, Efficiency Vermont; applied before you pay.
• 0% financing — 18 months at 0% interest through Synchrony on approved credit, no down payment. For many households the payment is below the old fuel bill. See financing.
• NYSERDA loan programs — low-interest options for qualifying homeowners; ask us what currently applies.
• The $250 calculator credit — complete the savings calculator before your estimate.

Will it increase home value?

Energy-efficient improvements including a heat pump have been found to raise a home's value — a National Institute of Standards and Technology study put the effect at up to 5%. In the Adirondack market, where buyers price in the cost of heating a house through winter, a modern, zoned, fossil-free system with a transferable 12-year warranty is a genuine selling point. It also removes the oil tank, the chimney inspection and the "how old is the furnace" conversation from the sale.

Can you run a heat pump on a generator?

Yes, with the right generator. Mitsubishi inverter systems soft-start, so they do not have the big inrush current of an old compressor, and a correctly sized standby or portable generator can carry a single-zone or small multi-zone system. The practical limits are the generator's continuous rating, what else is on it, and fuel — running a whole-home system on a portable for days is expensive. Have us or your electrician size it; many North Country homes keep a wood stove for extended outages regardless. Our winter storm guide explains what the system does when the power drops and comes back.

Air-source vs. ground-source in the Adirondacks

Both move heat; they differ in where they get it. A ground-source (geothermal) system pulls heat from a loop buried in the yard or drilled into bedrock, which stays around 50°F all year, so its efficiency barely changes in January. The catch is the loop: trenching or drilling in Adirondack ledge is expensive, and the all-in cost is often two to three times an air-source system. Air-source cold-climate equipment closed most of the performance gap in the last decade — Mitsubishi Hyper-Heat holds full capacity at 5°F — at a fraction of the install cost and with no excavation. For almost every existing home we see, air-source is the practical choice; ground-source makes sense mainly on new construction with open ground and a long ownership horizon.

What the switch actually looks like

1. Free in-home estimate

   A comfort consultant measures every room, checks insulation, windows and the electrical panel, and asks how you live in the house — which rooms matter, who works from home, whether the camp sits empty midweek.

2. Design and written price

   You get a layout — single zone, multi-zone, ducted or a mix — with the H2i outdoor units sized to the design temperature, every rebate applied and financing options spelled out.

3. Rebate paperwork

   We file the NYS Clean Heat application with NYSEG or National Grid (or Efficiency Vermont) and handle any pre-approval the program requires.

4. Installation

   One day for a single zone, one to three days for a whole home. Indoor units mounted, outdoor units set on stands above the snow line, lines evacuated and charged to spec, electrical connected by a licensed electrician, system commissioned in both modes.

5. Walkthrough

   Remote, wall thermostat and the Mitsubishi Comfort app set up on your phone. You know how to run it before we leave.

What happens to the old equipment

Three options. Remove it: most whole-home conversions pull the oil tank and boiler, which also ends tank-insurance questions at resale. Keep it as backup: some homeowners leave a boiler in place for the first winter and set a switchover temperature; most never use it and remove it later. Hybrid by design: in a few houses with large radiant loops we keep the boiler for the coldest days and let the heat pump carry 90% of the season. The load calculation and your comfort level decide, not a sales script.

Common mistakes when switching

• Buying a non-cold-climate heat pump to save money. It will lose capacity in the 20s and leave you cold at -10°F. Hyper-Heat or equivalent is not optional here.
• Sizing from square footage. A 1900 farmhouse and a 2015 build of the same size have completely different loads.
• One head for a chopped-up house. Heat does not turn corners through closed doors. Zones do.
• Ignoring the electrical panel. Most homes fit on existing service, but find out before install day.
• Waiting for the furnace to die. An emergency replacement in January skips the planning that captures rebates and gets the design right.

Indoor air and safety after the switch

Removing combustion from the house changes more than the bill. There is no carbon monoxide risk from a cracked heat exchanger, no backdrafting chimney on a windy night, no oil smell in the basement and no nitrogen dioxide from an unvented space heater. The indoor units filter the air they move through washable deodorizing and electrostatic filters, so dust, pollen and pet dander drop noticeably — a common comment from customers with allergies. In summer the dehumidification keeps a lakeside house from feeling damp, which matters for anyone fighting mildew in a camp that is closed up during the week. For households that still want a wood stove, the heat pump and the stove coexist fine; the stove just stops being the thing you depend on.

Living with the controls

Each indoor unit comes with a handheld remote. Most homeowners add the MHK2 wireless wall thermostat in the main rooms so the system feels like a conventional thermostat, and nearly everyone adds the Wi-Fi adapter so every zone shows up in the Mitsubishi Comfort app. From there you can set weekly schedules, hold the camp at 50°F midweek and warm it from the car on Friday, and get an alert if a zone drops out of range. Our controllers page shows every option.

Is your home a good fit?

Most are. The best candidates: homes heating with oil, propane, electric baseboard or wood; homes without ductwork; homes with a few rooms that are never comfortable; camps that sit empty midweek and benefit from app control. The exceptions: a house with cheap natural gas and good ducts may see a smaller saving, and a badly insulated house should get air sealing first — we will tell you. A free in-home estimate with a room-by-room load calculation settles it.

The bottom line

Switching from traditional heating and cooling to a cold-climate heat pump brings lower energy bills, cleaner indoor air, room-by-room control, lower emissions and a stronger resale story. The upfront cost is real, which is why rebates and 0% financing matter and why design quality matters more than brand. As a Mitsubishi Diamond Contractor ELITE we size, install and register the system for the 12-year parts warranty, cover labor through the Adirondack Shield, and stand behind every qualifying install with a 180-Day Comfort Guarantee.

Frequently asked questions

Talk to us

Thinking about making the switch before next winter? Call (518) 812-1958, request a free in-home estimate, or run the two-minute savings calculator first — finish it before your estimate and we take $250 off the install.