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Home ImprovementElectronicsServicesBeautyGifts & RegistryCell PhonesHousehold EssentialsVideo GamesParty & OccasionsJewelryBooksHomeMusicSports & OutdoorsToysPhoto CenterBabyPatio & GardenClothingPetsAuto & TiresFoodHealth and MedicineShop by SellerShop with PurposeArts Crafts & SewingMusical InstrumentsIndustrial & ScientificCharacter ShopShop by BrandShop by Video GamePersonalized GiftsPersonal CareOffice SuppliesSubscriptionsCollectiblesPremium BeautyFeatureShop by Movie
Energy Efficient System(404)
Uses item details. Price when purchased online
APC UPS, 1500VA Back-UPS Pro Battery Backup & Surge Protector, 900W Backup Battery Power with AVR (BX1500M) $203.61
Sponsored
$20361
current price $203.61APC UPS, 1500VA Back-UPS Pro Battery Backup & Surge Protector, 900W Backup Battery Power with AVR (BX1500M)
4.3 out of 5 stars
Deal, APC UPS Battery Backup, 650VA 360W Uninterruptible Power Supply - Black (BVN650M1) $76.00 Was $86.68
Deal
Sponsored
Now$7600
current price Now $76.00, Was $86.68$86.68
APC UPS Battery Backup, 650VA 360W Uninterruptible Power Supply - Black (BVN650M1)
4.2 out of 5 stars
ACiQ 3.5 Ton 13.4 SEER2 Packaged Heat Pump Unit & Thermostat - R32 Horizontal | 42000 BTU AC/Heating System From $3,380.00
Sponsored
From$3,38000
ACiQ 3.5 Ton 13.4 SEER2 Packaged Heat Pump Unit & Thermostat - R32 Horizontal | 42000 BTU AC/Heating System
5 out of 5 stars
ACiQ 20 SEER2 Essentials 18000 BTU Single Zone Mini Split Heat Pump System with 16ft Line Set - R32 | White Air Handler (208/230v) From $939.99
Sponsored
From$93999
ACiQ 20 SEER2 Essentials 18000 BTU Single Zone Mini Split Heat Pump System with 16ft Line Set - R32 | White Air Handler (208/230v)
5 out of 5 stars
7-Day Programmable Thermostat for Underfloor Heating, Flexible Temperature Scheduling Energy Saving, Digital Home Thermostat for Floor Heating System $47.95
$4795
current price $47.957-Day Programmable Thermostat for Underfloor Heating, Flexible Temperature Scheduling Energy Saving, Digital Home Thermostat for Floor Heating System
5 out of 5 stars
Best seller, 2 Pack Energy Saving Device,Electricity Saving Box Household,Energy saver plug in,Electricity Saving Device Us Plug 90V-250V 30KW Power Saving High Efficiency $11.99
Best seller
$1199
current price $11.992 Pack Energy Saving Device,Electricity Saving Box Household,Energy saver plug in,Electricity Saving Device Us Plug 90V-250V 30KW Power Saving High Efficiency
4.5 out of 5 stars
Deal, Waykar 12000 BTU 115V 22 SEER2 Energy Star Mini Split Air Conditioner & Heat Pump, WiFi Alexa Enabled, Pre-Charged R32 Eco Refrigerant, DIY-Friendly Installation Kit From $379.98
Deal
From$37998
Waykar 12000 BTU 115V 22 SEER2 Energy Star Mini Split Air Conditioner & Heat Pump, WiFi Alexa Enabled, Pre-Charged R32 Eco Refrigerant, DIY-Friendly Installation Kit
4.6 out of 5 stars
Deal, Google Nest Learning Thermostat (4th Gen) with Nest Temperature Sensor (2nd Gen) - Energy-Saving Smart Thermostat with Smart Schedule - Monitors Heating and Cooling System - Polished Silver Was $279.99
Deal
Google Nest Learning Thermostat (4th Gen) with Nest Temperature Sensor (2nd Gen) - Energy-Saving Smart Thermostat with Smart Schedule - Monitors Heating and Cooling System - Polished Silver
4.2 out of 5 stars
Deal, Comfort Zone 5,000 BTU Window-Mounted Room Air Conditioner with 2 Fan Speeds & Washable Filter, Cools up to 150 sq. ft., White From $134.97
Deal
5 options
Available in additional 5 optionsFrom$13497
Comfort Zone 5,000 BTU Window-Mounted Room Air Conditioner with 2 Fan Speeds & Washable Filter, Cools up to 150 sq. ft., White
4.3 out of 5 stars
Deal, Senville 6000 BTU Window Air Conditioner, Cooling for Rooms up to 250 sq ft, Washable Filter, Easy to Use From $161.99
Deal
4 options
Available in additional 4 optionsFrom$16199
Senville 6000 BTU Window Air Conditioner, Cooling for Rooms up to 250 sq ft, Washable Filter, Easy to Use
4.5 out of 5 stars
Deal, TACOOL 12000 BTU WIFI Enable Mini Split Air Conditioner/Heater with Heat Pump 22 SEER2 230V, Max Coverage Area Up to 750 Sq. Ft, Remote Control, R32 Refrigerant White From $379.99
Deal
Sponsored
From$37999
TACOOL 12000 BTU WIFI Enable Mini Split Air Conditioner/Heater with Heat Pump 22 SEER2 230V, Max Coverage Area Up to 750 Sq. Ft, Remote Control, R32 Refrigerant White
4.5 out of 5 stars
Jocisland Mini Split Air Conditioner and Heater, 36,000 Btu, SEER2 18, 220V Inverter Energy-Efficient AC with Self-Cleaning, Cools up to 2500 Sq.ft. $1,599.99 Was $2,299.99
Sponsored
Now$1,59999
current price Now $1,599.99, Was $2,299.99$2,299.99
Jocisland Mini Split Air Conditioner and Heater, 36,000 Btu, SEER2 18, 220V Inverter Energy-Efficient AC with Self-Cleaning, Cools up to 2500 Sq.ft.
3.7 out of 5 stars
Deal, 2600 Sq.Ft Dehumidifier for Home Max 38 Pints, Large Room with Drain Hose, Intelligent Humidity Control, Dry Clothes, 3 Modes, Sleep Mode, 24H Timer From $99.99
Deal
From$9999
2600 Sq.Ft Dehumidifier for Home Max 38 Pints, Large Room with Drain Hose, Intelligent Humidity Control, Dry Clothes, 3 Modes, Sleep Mode, 24H Timer
4.8 out of 5 stars
Ktaxon 12000BTU Wifi Enabled 21 SEER2 230V Smart Split Type Inverter Air Conditioners with Heating Function From $329.99
From$32999
Ktaxon 12000BTU Wifi Enabled 21 SEER2 230V Smart Split Type Inverter Air Conditioners with Heating Function
4 out of 5 stars
Deal, PhiloDeco 12000 BTU Mini Split Air Conditioner and Heater, 115V Inverter Energy-Efficient Ductless AC, Remote and APP Control, Easy Installation, Cools up to 750 Sq.Ft. From $399.99
Deal
6 options
Available in additional 6 optionsFrom$39999
PhiloDeco 12000 BTU Mini Split Air Conditioner and Heater, 115V Inverter Energy-Efficient Ductless AC, Remote and APP Control, Easy Installation, Cools up to 750 Sq.Ft.
4.5 out of 5 stars
9000 BTU Mini Split Air Conditioner, Ductless Inverter Heat Pump with Heating & Cooling, 19 SEER2 Energy Efficient, Ultra-Quiet Wall Mounted AC for Rooms up to 450 Sq.Ft From $312.61
From$31261
9000 BTU Mini Split Air Conditioner, Ductless Inverter Heat Pump with Heating & Cooling, 19 SEER2 Energy Efficient, Ultra-Quiet Wall Mounted AC for Rooms up to 450 Sq.Ft
4.2 out of 5 stars
In 25+ people's carts, Midea 5,000 BTU 150 Sq ft Mechanical Window Air Conditioner, White, MAW05M1WWT-N, New
In 25+ people's carts
Midea 5,000 BTU 150 Sq ft Mechanical Window Air Conditioner, White, MAW05M1WWT-N, New
4.4 out of 5 stars
Merluxy Easy DIY 12,000 Btu Mini Split Ac & Heat Pump, 115V 18 SEER2, Indoor Unit Pre-Wired & Vacuum-Free Outdoor Unit, Cooling & Heating for Home From $399.99
From$39999
Merluxy Easy DIY 12,000 Btu Mini Split Ac & Heat Pump, 115V 18 SEER2, Indoor Unit Pre-Wired & Vacuum-Free Outdoor Unit, Cooling & Heating for Home
5 out of 5 stars
HIBIBUD Portable Solar Panel Heater, Efficient Solar Energy Conversion with Rechargeable Battery, Temperature Control System for Car Pet House Greenhouse 10.24x9.45in $37.55
$3755
current price $37.55HIBIBUD Portable Solar Panel Heater, Efficient Solar Energy Conversion with Rechargeable Battery, Temperature Control System for Car Pet House Greenhouse 10.24x9.45in
Deal, PhiloDeco 18000 BTU Mini Split AC/Heating System Mini Split AC Unit Inverter Heating and Cooling, 230V Energy Efficient Ductless Air Conditioner Up to 1250sq.ft, Pre-charged System, Installation Kit From $489.99
Deal
5 options
Available in additional 5 optionsFrom$48999
PhiloDeco 18000 BTU Mini Split AC/Heating System Mini Split AC Unit Inverter Heating and Cooling, 230V Energy Efficient Ductless Air Conditioner Up to 1250sq.ft, Pre-charged System, Installation Kit
3.9 out of 5 stars
Deal, Costway 17000 BTU Wifi Enabled Mini Split Air Conditioner & Heater Works with Alexa From $418.29
Deal
Sponsored
From$41829
Costway 17000 BTU Wifi Enabled Mini Split Air Conditioner & Heater Works with Alexa
4.2 out of 5 stars
Jocisland Mini Split Air Conditioner and Heater, 12,000 Btu, SEER2 18, 220V Inverter Energy-Efficient AC with Self-Cleaning, Cools up to 750 Sq.ft. $424.99 Was $499.99
Sponsored
Now$42499
current price Now $424.99, Was $499.99$499.99
Jocisland Mini Split Air Conditioner and Heater, 12,000 Btu, SEER2 18, 220V Inverter Energy-Efficient AC with Self-Cleaning, Cools up to 750 Sq.ft.
Deal, 9000 BTU Mini Split Air Conditioner & Heater, 19 SEER2 115V Energy Efficient Ductless Wall-Mounted AC Unit Covers Up to 450 Sq. Ft, Remote Control From $389.99
Deal
From$38999
9000 BTU Mini Split Air Conditioner & Heater, 19 SEER2 115V Energy Efficient Ductless Wall-Mounted AC Unit Covers Up to 450 Sq. Ft, Remote Control
4.3 out of 5 stars
HIBIBUD 2026 New Battery Operated Heater for Indoors,Compact Energy Efficient Rotating Smart Remote Control Desk Heater,Your Winter Warmth Companion Battery-Powered Space Heater $46.90
$4690
current price $46.90HIBIBUD 2026 New Battery Operated Heater for Indoors,Compact Energy Efficient Rotating Smart Remote Control Desk Heater,Your Winter Warmth Companion Battery-Powered Space Heater
5 out of 5 stars
Ktaxon Energy Star 10000 BTU Inverter Window Air Conditioner with WiFi, Energy-Saving Window AC Unit with Remote & App Control, Ultra Quiet Design & Easy Install Kit, Work with Alexa/Google Assistant From $299.93
3 options
Available in additional 3 optionsFrom$29993
Ktaxon Energy Star 10000 BTU Inverter Window Air Conditioner with WiFi, Energy-Saving Window AC Unit with Remote & App Control, Ultra Quiet Design & Easy Install Kit, Work with Alexa/Google Assistant
4.2 out of 5 stars
Ultra-Quiet 14,000 BTU Portable Air Conditioner – 3-in-1 AC with Cooling, Fan & Dehumidifier – Auto Drain, Energy Efficient, 24H Remote Timer – Cools up to 750 Sq Ft – Easy Window Kit – White From $332.90
From$33290
Ultra-Quiet 14,000 BTU Portable Air Conditioner – 3-in-1 AC with Cooling, Fan & Dehumidifier – Auto Drain, Energy Efficient, 24H Remote Timer – Cools up to 750 Sq Ft – Easy Window Kit – White
5 out of 5 stars
3-in-1 Aquarium Filter Pump Built-In Circulation System - Energy Efficient Small Fish Tank Water Purifier with 350-1200L/H Flow for 12"-40" Tanks (750F) From $8.25
From$825
3-in-1 Aquarium Filter Pump Built-In Circulation System - Energy Efficient Small Fish Tank Water Purifier with 350-1200L/H Flow for 12"-40" Tanks (750F)
Zimtown 11000BTU Wifi Enabled 17Seer Mini Split Air Conditioner Ductless Inverter System, 115V Energy Efficient Unit With Heat Pump $559.99
$55999
current price $559.99Zimtown 11000BTU Wifi Enabled 17Seer Mini Split Air Conditioner Ductless Inverter System, 115V Energy Efficient Unit With Heat Pump
5 out of 5 stars
Pentair WhisperFlo VST Energy Efficient Pool Pump, 2.6THP From $1,660.00
2 options
Available in additional 2 optionsFrom$1,66000
Pentair WhisperFlo VST Energy Efficient Pool Pump, 2.6THP
4.2 out of 5 stars
Levoit Core Mini-P 255 Sq Ft 3-Stage Filtration Desktop Air Purifier with Aromatherapy for Small Bedrooms and Nurseries, Green From $39.98
From$3998
Levoit Core Mini-P 255 Sq Ft 3-Stage Filtration Desktop Air Purifier with Aromatherapy for Small Bedrooms and Nurseries, Green
4.5 out of 5 stars
Costway 24000 BTU 20 SEER2 208/230V Wifi Enabled Mini Split Air Conditioner & Heater with Installation Kit From $479.99
Sponsored
From$47999
Costway 24000 BTU 20 SEER2 208/230V Wifi Enabled Mini Split Air Conditioner & Heater with Installation Kit
4.2 out of 5 stars
Behome 4500 Sq.Ft Energy Efficient Dehumidifier Intelligent Humidistat Max 80 Pint/Day Smart Compressor Dehumidifier with Drain Hose for Basement,Home,Bedroom,Bathroom $167.99 Was $299.99
Sponsored
Now$16799
current price Now $167.99, Was $299.99$299.99
Behome 4500 Sq.Ft Energy Efficient Dehumidifier Intelligent Humidistat Max 80 Pint/Day Smart Compressor Dehumidifier with Drain Hose for Basement,Home,Bedroom,Bathroom
3.3 out of 5 stars
KFFKFF Mini Split Air Conditioner, 9000 BTU 230V with Efficient Cooling & Heating, 19 SEER2 Energy-Saving Inverter System, Quiet Operation for Spaces up to 450 Sq.Ft, Ideal for Home or Office Use $411.26 Was $480.00
Now$41126
current price Now $411.26, Was $480.00$480.00
KFFKFF Mini Split Air Conditioner, 9000 BTU 230V with Efficient Cooling & Heating, 19 SEER2 Energy-Saving Inverter System, Quiet Operation for Spaces up to 450 Sq.Ft, Ideal for Home or Office Use
BLACK+DECKER 8,000-BTU 4-Speed Electronic Window Air Conditioner with Remote, BD08WT6 From $216.00
6 options
Available in additional 6 optionsFrom$21600
BLACK+DECKER 8,000-BTU 4-Speed Electronic Window Air Conditioner with Remote, BD08WT6
4.4 out of 5 stars
4 Zone Mini Split, 35000 BTU ODU Mini Split Ac/Heating System, 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split Air Conditioner & Heater, 16Ft Copper Line 9K+9K+9K+9K $2,779.66
$2,77966
current price $2,779.664 Zone Mini Split, 35000 BTU ODU Mini Split Ac/Heating System, 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split Air Conditioner & Heater, 16Ft Copper Line 9K+9K+9K+9K
23000 BTU Mini Split AC/Heating System, 230V WIFI Enabled Energy Efficient Mini Split Unit,Wall-Mounted Split Air Conditioner,Cools Up to 1500 Sq.Ft, Heat Pump & Installation Kits $811.99
$81199
current price $811.9923000 BTU Mini Split AC/Heating System, 230V WIFI Enabled Energy Efficient Mini Split Unit,Wall-Mounted Split Air Conditioner,Cools Up to 1500 Sq.Ft, Heat Pump & Installation Kits
12000 BTU Mini Split AC, 22 SEER2 115V, Energy-Efficient Inverter AC System, for Rooms up to 750 Sq.Ft, with WiFi, Remote Control & Easy Installation Kit $515.42
$51542
current price $515.4212000 BTU Mini Split AC, 22 SEER2 115V, Energy-Efficient Inverter AC System, for Rooms up to 750 Sq.Ft, with WiFi, Remote Control & Easy Installation Kit
5 out of 5 stars
Envi Plug-in Electric Panel Wall Heater for Home, Energy Efficient, Child Safe, Quiet, Great for Bedrooms, Bathrooms, Office, Kitchen, Garage, Tip-Over Protection, Comfort-Level Adjustable Thermostat $179.95
$17995
current price $179.95Envi Plug-in Electric Panel Wall Heater for Home, Energy Efficient, Child Safe, Quiet, Great for Bedrooms, Bathrooms, Office, Kitchen, Garage, Tip-Over Protection, Comfort-Level Adjustable Thermostat
4.9 out of 5 stars
35000 BTU 4 Zone Mini Split Ac Heating & cooling System, air conditioner 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split AC & Heater, 16Ft Copper Line & Full Installation Kit $2,579.89
$2,57989
current price $2,579.8935000 BTU 4 Zone Mini Split Ac Heating & cooling System, air conditioner 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split AC & Heater, 16Ft Copper Line & Full Installation Kit
12000 BTU Ductless Mini Split Air Conditioner and Heat Pump System, 17 SEER2, Energy Efficient Central AC, Cools up to 750 Sq Ft, 230V, R32 Refrigerant, No WiFi $396.99
$39699
current price $396.9912000 BTU Ductless Mini Split Air Conditioner and Heat Pump System, 17 SEER2, Energy Efficient Central AC, Cools up to 750 Sq Ft, 230V, R32 Refrigerant, No WiFi
Mini Split Air Conditioner 9000 BTU, 19 SEER2 Ductless Inverter AC with 115V, Heat Pump System Cools Up to 450 Sq. Ft, Energy-Efficient Wall Mount Unit for Home Office Bedroom, White $404.99 Was $439.98
Now$40499
current price Now $404.99, Was $439.98$439.98
Mini Split Air Conditioner 9000 BTU, 19 SEER2 Ductless Inverter AC with 115V, Heat Pump System Cools Up to 450 Sq. Ft, Energy-Efficient Wall Mount Unit for Home Office Bedroom, White
23000 BTU Mini Split, Energy Efficient Mini Split Unit, Cools Up to 1250 Sq.Ft Minisplit AC/Heating System, 230V WIFI Enabled Split AC, WIFI Enabled Split AC, Ductless Air Conditioner See price in cart
See price in cart
current price See price in cart23000 BTU Mini Split, Energy Efficient Mini Split Unit, Cools Up to 1250 Sq.Ft Minisplit AC/Heating System, 230V WIFI Enabled Split AC, WIFI Enabled Split AC, Ductless Air Conditioner
DELLA 38,000 BTU 4 Zone (4x9K) Mini Split Air Conditioner System, 23 SEER2 208-230V, Cools Up to 1600 Sq.Ft, Energy Efficient, Works with Alexa & WiFi, Pre-Charged, Inverter Heat Pump, 16ft Kits From $3,399.96
From$3,39996
DELLA 38,000 BTU 4 Zone (4x9K) Mini Split Air Conditioner System, 23 SEER2 208-230V, Cools Up to 1600 Sq.Ft, Energy Efficient, Works with Alexa & WiFi, Pre-Charged, Inverter Heat Pump, 16ft Kits
Gaderth 12000btu Mini Split Ac Ac Unit/Wall Mounted, Cooling And Heating System,20 Seer2 Energy Efficient Mini Split Air Conditioner With Heat Pump, Cools Up To 750sq.Ft, Ductless Inverter Ac Unit $472.99 Was $560.12
Now$47299
current price Now $472.99, Was $560.12$560.12
Gaderth 12000btu Mini Split Ac Ac Unit/Wall Mounted, Cooling And Heating System,20 Seer2 Energy Efficient Mini Split Air Conditioner With Heat Pump, Cools Up To 750sq.Ft, Ductless Inverter Ac Unit
3 Zone Mini Split, 35000 BTU ODU Mini Split Ac/Heating System, 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split Air Conditioner & Heater, 16Ft Copper Line & Full Installation Kit $1,974.11
$1,97411
current price $1,974.113 Zone Mini Split, 35000 BTU ODU Mini Split Ac/Heating System, 208-230v Wifi Enabled Energy Efficient Multi Zone Mini Split Air Conditioner & Heater, 16Ft Copper Line & Full Installation Kit
Deal, 18000 BTU Window Air Conditioner 1000 sq. ft. Cooling Area, Intelligent LED Display, Remote Included, 3-in-1 AC/Dehumidifier/Fan, Quiet, Energy-Efficient, 24-Hour Timer, 208/230 VOLTS
Deal
9 options
Available in additional 9 options18000 BTU Window Air Conditioner 1000 sq. ft. Cooling Area, Intelligent LED Display, Remote Included, 3-in-1 AC/Dehumidifier/Fan, Quiet, Energy-Efficient, 24-Hour Timer, 208/230 VOLTS
4.5 out of 5 stars
22 SEER2 Energy Efficient Mini Split Air Conditioner with Heat, 12000 BTU, Ductless System for Home and Office, WiFi Control, 115V or 230V $381.09 Was $421.01
Now$38109
current price Now $381.09, Was $421.01$421.01
22 SEER2 Energy Efficient Mini Split Air Conditioner with Heat, 12000 BTU, Ductless System for Home and Office, WiFi Control, 115V or 230V
DELLA Vita Series 12000 BTU Mini Split Air Conditioner, Energy Efficient, 20 SEER2 115V, Cools up to 550 Sq. Ft, 1 Ton Heat Pump, Works with Alexa & Wifi,Ductless Inverter System,Pre-Charged,16ft Kit From $699.96
From$69996
DELLA Vita Series 12000 BTU Mini Split Air Conditioner, Energy Efficient, 20 SEER2 115V, Cools up to 550 Sq. Ft, 1 Ton Heat Pump, Works with Alexa & Wifi,Ductless Inverter System,Pre-Charged,16ft Kit
KFFKFF Mini Split Air Conditioner, 9000 BTU 115V with Efficient Cooling and Heating, 19 SEER2 Energy-Saving Inverter System, Quiet Operation for Spaces up to 450 Sq.Ft, Ideal for Home or Office Use $513.99
$51399
current price $513.99KFFKFF Mini Split Air Conditioner, 9000 BTU 115V with Efficient Cooling and Heating, 19 SEER2 Energy-Saving Inverter System, Quiet Operation for Spaces up to 450 Sq.Ft, Ideal for Home or Office Use
Deal, PhiloDeco 8000 BTU Window Air Conditioner 350 Sq. ft. Intelligent, LED Display Screen, with Remote Control,Ac Can Be Used as a Dehumidifier/Fan, Operates Quietly, Energy-Saving. Timer/Sleep and ECO From $219.99
Deal
9 options
Available in additional 9 optionsFrom$21999
PhiloDeco 8000 BTU Window Air Conditioner 350 Sq. ft. Intelligent, LED Display Screen, with Remote Control,Ac Can Be Used as a Dehumidifier/Fan, Operates Quietly, Energy-Saving. Timer/Sleep and ECO
4.4 out of 5 stars