Gradient All-Weather 120V™ Window Heat Pump
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30% More Efficient
Standard 120 V Outlet
Mobile App Control
No Plumbing Required
No Electrical Upgrades
Reduces Carbon Emissions
30% More Efficient
Standard 120 V Outlet
Mobile App Control
No Plumbing Required
No Electrical Upgrades
Reduces Carbon Emissions
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Gradient All-Weather 120V™ Window Heat Pump
Gradient All-Weather 120V™ Window Heat Pump
Featuring a plumbing-free, outdoor atomization of meltwater & condensate, and dual indoor vents to improve airflow, the Gradient All-Weather™ 120V is sleek, quiet, and easy to install with two people.
Proudly designed in California.
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Energy Efficient
Mobile app control
Reduces carbon emissions
Gradient is ENERGY STAR certified
Click below to access the ENERGY GUIDE for the All-Weather 120V window heat pump.
Gradient All-Weather 120V™ Window Heat Pump
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See How Gradient Stacks Up
Comercial-grade power
Standard 120 V outlet
Doesn’t block your view
Energy efficient
Quiet
Open and close your window
Washable filter
Installable with two people
Planet-friendlier refrigerant
No need for drilling or permits
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central AC unit
mini-split unit
window unit
Overview
HVAC Solutions for All Occasions
Fast-track electrification in 30-minutes or less.
Specs
In the details
Dimensions
Indoor unit
- Height: 24 in
- Width: 25.5 in
- Depth: 8.75 in
- Outdoor unit
- Height: 24 in
- Width: 25.5 in
- Depth: 14 in
Features
Mobile app control
- Scheduling
Weight
140 lbs
Modes
Cooling
- Fan-Only
- Heating
- Boost Mode
Noise*
High/Medium/Low: 47/44/38 dB(A)
Capacity*
Cooling Capacity
- 95°F / 35°C — 9,300 BTU/hr
Heating Capacity
- 47°F to 17°F / 8.3°C to -8.3°C — 9,000 BTU/hr
- 5°F / -15°C — 7,200 BTU/hr
- -13°F / -25°C — 7,026 BTU/hr
Power
120V
6 ft. power cord
Energy Efficiency*
95°F / 35°C— 13.6 (EER)
- 47°F / 8.3°C— 4.04 (COP)
- 17°F / -8.3°C — 2.37 (COP)
- 5°F /-15°C — 2.06 (COP)
- -13°F / -25°C — 1.59 (COP)
Window Compatibility
Gradient’s All-Weather 120V unit can fit windows with a minimum width of 26”
Filter Type
Cleanable Mesh
*Specifications are subject to change.
Docs
Documentation
Download Gradient All-Weather 120V Spec Sheet
Download Gradient All-Weather 120V Installation Manual
Contact sales today for more information
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JULY 28, 2026, 2:00 PM – 2:45 PM EST
A New Approach to Multifamily Electrification Learn how Gradient’s innovative window-installed heat pump can help multifamily owners and operators reduce emissions, improve resident comfort, and accelerate electrification without major renovations.
REGISTER NOW