Installation / Window heat pump

Window heat pumps for New York buildings

A window unit that cools in summer and heats in winter. For owners installing 10 or more, New York State pays up to $2,250 per unit.

Best for: Owners electrifying heat
Power: Some run on a standard 120V outlet
Minimum: 10 units for the state incentive
Incentive: $1,500 to $2,250 per unit

Brick apartment building in New York with window air conditioners and street trees

A good fit if

You own the building and want to replace or reduce fossil fuel heat
Bedrooms have double hung windows
You can do at least 10 units at once

Size your rooms

The state incentive

Amount$2,250 per unit in low to moderate income apartments and $1,500 per unit at market rate, up to 100% of project cost and $500,000 per project.
Who qualifiesOwners of multifamily buildings in New York State installing at least 10 window heat pumps. Income restricted sites must show tenants' housing costs won't rise.
How it's paidNYSERDA pays the manufacturer, which usually passes it on as a discount at purchase. Approved makers include Midea, Gradient, and Gree.
DeadlineApplications are open until June 30, 2027, or until the money runs out.
The catchThe old heating system must stay off for at least 30 days in a row during peak winter, though it doesn't have to be removed.

Size, power, and rules

SizeIn cooling mode it has to meet the same floor as any unit: 20 BTU per hour for every square foot.
PowerSome models, like Gradient's All-Weather unit, run on a standard 120 volt outlet. Check each model.
InstallationIt mounts in the window like an air conditioner, so the same city support rules apply.

Rebates and incentives

Con Edison's multifamily heat pump incentives (for example $5,000 per apartment at market rate for full building electrification) don't mention window heat pumps. Ask Con Edison before you count on it.

See every unit type and incentive

Who pays for the install

Other ways to cool a room

Window ACUsually the cheapest way to cool one room.
Through the wall ACSits in a sleeve in the wall, so the window stays free.
PTACA packaged unit that sits in a standard wall sleeve.

Check a license before you hire

Two free City lookups. Ask for the license number and check it yourself before anyone starts.

Home improvement contractorsThe City requires a Home Improvement Contractor license from the Department of Consumer and Worker Protection for construction, repair, and remodeling work on residences. Ask whether your installer has one. Look up a contractor
ElectriciansElectrical work in NYC needs a licensed master electrician and a permit from the Department of Buildings. Search DOB licenses
Get it in writingAsk for a written quote that lists the unit, the bracket or sleeve, any electrical work, and who hauls away the old unit.

Lookups listed on the Department of Buildings' Know Your Construction Professional page. Checked October 21, 2026.