🚀 We’re in Beta!

Meet our new design. Everything works as usual, but if anything feels off, give us a ping.

2024 Mini Split AC/Heating System, Mini Split Air Conditioner and Cooling Heating Air Conditioner with Remote Control & Timer, Wall Mounted Portable Ductless Air Conditioner Fan for Home, Bedroom

2024 Mini Split AC/Heating System, Mini Split Air Conditioner and Cooling Heating Air Conditioner with Remote Control & Timer, Wall Mounted Portable Ductless Air Conditioner Fan for Home, Bedroom

2.0
$574
Jack Stonehouse Bladeless Tower Oscillating 2000W Fan Heater with Remote Control 2 Heating Modes and Cooling Mode 12 Hour Timer Energy Efficient DC Motor And PTC heater Element. Ambient lighting Mode

Jack Stonehouse Bladeless Tower Oscillating 2000W Fan Heater with Remote Control 2 Heating Modes and Cooling Mode 12 Hour Timer Energy Efficient DC Motor And PTC heater Element. Ambient lighting Mode

4.1
$1,419
RANVOO2024 [No.1 Coolest & Most Portable] AICE LITE Neck Air Conditioner, Ultimate Immersive Cooling 6,000 mAh Rechargeable Neck Fan Personal Device Gift that Blow Cold Air - Azure

RANVOO2024 [No.1 Coolest & Most Portable] AICE LITE Neck Air Conditioner, Ultimate Immersive Cooling 6,000 mAh Rechargeable Neck Fan Personal Device Gift that Blow Cold Air - Azure

4.3
$1,999
Cryfokt Wall Cooler Heater, Quick Cooling and Heating 1 To 6 Hours Timer PTC ABS Conditioner for Bedroom (UK Plug 220V)

Cryfokt Wall Cooler Heater, Quick Cooling and Heating 1 To 6 Hours Timer PTC ABS Conditioner for Bedroom (UK Plug 220V)

$193
BedJet 3 Climate Comfort for Beds, Cooling Fan + Heating Air (Single Temp. Zone Any Size Bed or Mattress)

BedJet 3 Climate Comfort for Beds, Cooling Fan + Heating Air (Single Temp. Zone Any Size Bed or Mattress)

4.3
$4,499
DELLA Versa Series 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat Pump Ductless Inverter System, 19 SEER2, Cools Up to 550 Sq. Ft,16.4ft installation kit included

DELLA Versa Series 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat Pump Ductless Inverter System, 19 SEER2, Cools Up to 550 Sq. Ft,16.4ft installation kit included

4.4
$8,099
Econohome Adjustable Thermostat Plug - Heating & Cooling Plug In Thermostat Compatible With Wall Mounted Room Heater, Window Air Conditioner, Electric Fan - Universal Plug, Easy To Use Manual Controls

Econohome Adjustable Thermostat Plug - Heating & Cooling Plug In Thermostat Compatible With Wall Mounted Room Heater, Window Air Conditioner, Electric Fan - Universal Plug, Easy To Use Manual Controls

4.3
$323
ROVSUN 11000 BTU Wifi Enabled Mini Split Air Conditioner & Heater, 17 SEER2 115V Inverter Ductless Wall AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit

ROVSUN 11000 BTU Wifi Enabled Mini Split Air Conditioner & Heater, 17 SEER2 115V Inverter Ductless Wall AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit

4.2
$6,789
Thermal actuator for energy-saving rules of surface heating - and cooling systems

Thermal actuator for energy-saving rules of surface heating - and cooling systems

$96
Wall Air Cooler - 2000W Wall Mounted Air Conditioner with Remote, Small Multifunctional Cooling Device | Winter Warmer for Home, Ideal for Bedroom and Living Room, Efficient Climate Control Appliance

Wall Air Cooler - 2000W Wall Mounted Air Conditioner with Remote, Small Multifunctional Cooling Device | Winter Warmer for Home, Ideal for Bedroom and Living Room, Efficient Climate Control Appliance

$136
PHILIPS Ceramic Fan Heater 5000 Series, Ceramic Heating Technology, AI- Powered for Energy Saving, Heats Up in 2 Seconds with 5 Built-In Safety Features, App Control, Grey & Black (CX5120/11)

PHILIPS Ceramic Fan Heater 5000 Series, Ceramic Heating Technology, AI- Powered for Energy Saving, Heats Up in 2 Seconds with 5 Built-In Safety Features, App Control, Grey & Black (CX5120/11)

4.3
$408
Fren Wall Air Conditioner, Wall Mounted Air Curtain Fan Super Power Indoor Over Door Fan Quiet Mini Air Cooling Heating Fan, Remote Control Included, Easy Install, for Bedroom Office

Fren Wall Air Conditioner, Wall Mounted Air Curtain Fan Super Power Indoor Over Door Fan Quiet Mini Air Cooling Heating Fan, Remote Control Included, Easy Install, for Bedroom Office

$1,499
ROVSUN 12,000 BTU 19 SEER 115V Energy Saving Ductless Split-System Air Conditioner with Pre-Charged Condenser, Heat Pump & Installation Kit

ROVSUN 12,000 BTU 19 SEER 115V Energy Saving Ductless Split-System Air Conditioner with Pre-Charged Condenser, Heat Pump & Installation Kit

4.5
$7,399
Design Study of Solar Heating and Cooling System

Design Study of Solar Heating and Cooling System

$345
Combined Cooling, Heating, and Power Systems: Modeling, Optimization, and Operation

Combined Cooling, Heating, and Power Systems: Modeling, Optimization, and Operation

$764
SenvilleLETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White

SenvilleLETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White

4.5
$11,789
MrCool Easy Pro 9k BTU 20 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset

MrCool Easy Pro 9k BTU 20 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset

4.4
$12,679
YITAHOME12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Ductless AC Cool Up to 750 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White

YITAHOME12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Ductless AC Cool Up to 750 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White

$6,549
Residential Geothermal Systems: Heating And Cooling Using The Ground Below

Residential Geothermal Systems: Heating And Cooling Using The Ground Below

$187
Xvilmaun Split Air Conditioning, Split Air Conditioning/Heating System | Wall Mounted Heating Cooling Air Conditioner - Wall Mounted Heating Cooling Air Conditioner for Bedroom, Home, Bathroom

Xvilmaun Split Air Conditioning, Split Air Conditioning/Heating System | Wall Mounted Heating Cooling Air Conditioner - Wall Mounted Heating Cooling Air Conditioner for Bedroom, Home, Bathroom

$519
NEEDONEHumidor 16L with Cooling and Heating Temperature Control System, Electric Cooler for 100 Counts with Digital Hygrometer, Made with Spanish Cedar Wood, Gift for Men, 2 Layers

NEEDONEHumidor 16L with Cooling and Heating Temperature Control System, Electric Cooler for 100 Counts with Digital Hygrometer, Made with Spanish Cedar Wood, Gift for Men, 2 Layers

4.2
$3,529
Cooper & Hunter24,000 BTU, 230V, 17 SEER Ductless Mini Split AC/Heating System Pre-Charged Inverter Heat Pump with 16ft Installation Kit

Cooper & Hunter24,000 BTU, 230V, 17 SEER Ductless Mini Split AC/Heating System Pre-Charged Inverter Heat Pump with 16ft Installation Kit

4.3
$24,549
COSTWAY Blast Series 9000BTU Split Air Conditioner & Heater, 17 SEER2 208V-230V Energy Efficient Wall Mount AC Unit w/Heat Pump, Inverter System, Remote Control, Cools Rooms up to 450 Sq. Ft.

COSTWAY Blast Series 9000BTU Split Air Conditioner & Heater, 17 SEER2 208V-230V Energy Efficient Wall Mount AC Unit w/Heat Pump, Inverter System, Remote Control, Cools Rooms up to 450 Sq. Ft.

4.2
$4,319
Air Conditioning Centre White Wifi 9000 BTU Cooling Portable Air Conditioner 30m2 Area Compatible with Alexa & Google A Energy Rating Dehumidifier 56dB Quiet 1.5m Hose [Energy Class A]

Air Conditioning Centre White Wifi 9000 BTU Cooling Portable Air Conditioner 30m2 Area Compatible with Alexa & Google A Energy Rating Dehumidifier 56dB Quiet 1.5m Hose [Energy Class A]

3.7
$1,726
Cooling, Heating, and Power Systems Energy Performance

Cooling, Heating, and Power Systems Energy Performance

$989
The Performance of a Regenerative Heating and Cooling System

The Performance of a Regenerative Heating and Cooling System

$749
MRCOOL DIY 18K BTU 4th Gen 1-Zone 22 Seer Energy Star Ductless Mini-Split Air Conditioner

MRCOOL DIY 18K BTU 4th Gen 1-Zone 22 Seer Energy Star Ductless Mini-Split Air Conditioner

4.3
$19,959
DURAGS 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

DURAGS 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$804
9000 BTUs Mini Split Air Conditioner, 19 SEER2 Inverter Mini Split AC/Heating System, Wall-Mounted Ductless Mini Split Heat Pump, Remote Control, Split AC Unit for Cooling Rooms up to 450 Sq. Ft, 230V

9000 BTUs Mini Split Air Conditioner, 19 SEER2 Inverter Mini Split AC/Heating System, Wall-Mounted Ductless Mini Split Heat Pump, Remote Control, Split AC Unit for Cooling Rooms up to 450 Sq. Ft, 230V

$5,239
Palson Portable Fan Heater Manual Thermostat Ceramic Heater With Overheat Protection Sensor 1500W Black Color Model-ECOSUN 30860-1 Year Warranty.

Palson Portable Fan Heater Manual Thermostat Ceramic Heater With Overheat Protection Sensor 1500W Black Color Model-ECOSUN 30860-1 Year Warranty.

5.0
$294
Heating and Cooling Distribution Systems: Unified Facilities Criteria UFC 3-430-01FA

Heating and Cooling Distribution Systems: Unified Facilities Criteria UFC 3-430-01FA

$64
BLACK+DECKER12,000 BTU Inverter Mini Split Air Conditioner with Heat Pump, Ductless Mini-Split Inverter Air Conditioner Cools & Heats Up To 550 Sq. Ft., Remote Control, 20.8 SEER, 115V, White

BLACK+DECKER12,000 BTU Inverter Mini Split Air Conditioner with Heat Pump, Ductless Mini-Split Inverter Air Conditioner Cools & Heats Up To 550 Sq. Ft., Remote Control, 20.8 SEER, 115V, White

$2,201
100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$316
72W 20L Aquarium Cooler, Hydroponic Aquarium Cooling System, Aquarium Cooling and Heating System with Water Hose and Pump, (EU)

72W 20L Aquarium Cooler, Hydroponic Aquarium Cooling System, Aquarium Cooling and Heating System with Water Hose and Pump, (EU)

$1,779
JASSFERRY Central Heating Pump A-Rated Hot Water Heat Circulation System 25-6/130 Direct Replacement 15/50-60

JASSFERRY Central Heating Pump A-Rated Hot Water Heat Circulation System 25-6/130 Direct Replacement 15/50-60

4.1
$764
9000 BTU Smart Air Conditioner System, 19 Seer2 Split Inverter Ac with Pre-Charged Heat Pump & Installation Kit, WiFi and Remote Control, Cools Rooms Up to 450 Sq. Ft, 115V, White

9000 BTU Smart Air Conditioner System, 19 Seer2 Split Inverter Ac with Pre-Charged Heat Pump & Installation Kit, WiFi and Remote Control, Cools Rooms Up to 450 Sq. Ft, 115V, White

4.4
$6,119
An Introduction to Heating and Cooling Distribution Systems

An Introduction to Heating and Cooling Distribution Systems

$121
PioneerDiamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit

PioneerDiamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit

4.5
$9,039
Grace 3.5KW High Power Commercial Electric Cooker Commercial Concave & Flat Surface Induction Cooker Double Fan Cooling System (GY-3.5KW-P - FLAT BASE)

Grace 3.5KW High Power Commercial Electric Cooker Commercial Concave & Flat Surface Induction Cooker Double Fan Cooling System (GY-3.5KW-P - FLAT BASE)

$2,069
Polar Active Ice 3.0 Cold Therapy Ice Machine System with Programmable Timer, Full Circumference and Coverage Knee Compression Pad, 9 Quart Cooler, Quiet Pump, Strong Cryotherapy Pain Relief Treatment

Polar Active Ice 3.0 Cold Therapy Ice Machine System with Programmable Timer, Full Circumference and Coverage Knee Compression Pad, 9 Quart Cooler, Quiet Pump, Strong Cryotherapy Pain Relief Treatment

4.6
$2,619
THE WHITE SHOP Duct Connector Flange 6 Inch, Plastic 6 Inch Collection Fittings Dryer Vent Connector Flange For Heating Cooling Ventilation System, Black.

THE WHITE SHOP Duct Connector Flange 6 Inch, Plastic 6 Inch Collection Fittings Dryer Vent Connector Flange For Heating Cooling Ventilation System, Black.

$91
Pepisky 70W 20L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

Pepisky 70W 20L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$275
DESIGN STUDY OF SOLAR HEATING AND COOLING SYSTEM (2): ( Calculations)

DESIGN STUDY OF SOLAR HEATING AND COOLING SYSTEM (2): ( Calculations)

$345
Cooling Systems Troubleshooting

Cooling Systems Troubleshooting

$283
Mr Cool DIYM218HPW00C07 DIY Multi-Zone Series Ductless Heat Pump, White

Mr Cool DIYM218HPW00C07 DIY Multi-Zone Series Ductless Heat Pump, White

4.0
$25,519
LXCLJD 1800W Portable Air Conditioners, Mini Wall Mounted Air Conditione, with Remote Control & Timer, With Heating Function, For Home Office Bedroom Living Room(L55*W24*H12cm),White

LXCLJD 1800W Portable Air Conditioners, Mini Wall Mounted Air Conditione, with Remote Control & Timer, With Heating Function, For Home Office Bedroom Living Room(L55*W24*H12cm),White

$1,729
110 x 55 mm / 11 x 5.5 cm Rectangular Pipe Connector for Round Pipes - 100 mm / 10 cm - Connection - Ventilation System, Heating, Cooling - Ventilation Element for Limited Space.

110 x 55 mm / 11 x 5.5 cm Rectangular Pipe Connector for Round Pipes - 100 mm / 10 cm - Connection - Ventilation System, Heating, Cooling - Ventilation Element for Limited Space.

4.4
$32
Vislone 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

Vislone 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$1,449
Solar Heating and Cooling of Residential Buildings: Design of Systems

Solar Heating and Cooling of Residential Buildings: Design of Systems

$172
100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$333
Heating, Cooling, Lighting: Sustainable Design Methods for Architects

Heating, Cooling, Lighting: Sustainable Design Methods for Architects

$391
Vent Systems 100 mm / 4" Inch Air Vent Duct Connector Flange - Plastic Ventilation Pipe - Ducting Connector for Round Flexible or Straight Pipes, Cooling Heating Ventilation System HVAC

Vent Systems 100 mm / 4" Inch Air Vent Duct Connector Flange - Plastic Ventilation Pipe - Ducting Connector for Round Flexible or Straight Pipes, Cooling Heating Ventilation System HVAC

4.4
$34
Pepisky 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

Pepisky 100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$295
KingChii8L Electric Cigar Humidors Temperature Control System, Cooling & Heating Humidor Cabinet with Spanish Cedar Wood Shelves & Hygrometer, Father's Day Gifts for Men (2 Layers 80 Capacity)

KingChii8L Electric Cigar Humidors Temperature Control System, Cooling & Heating Humidor Cabinet with Spanish Cedar Wood Shelves & Hygrometer, Father's Day Gifts for Men (2 Layers 80 Capacity)

4.9
$3,779
The Solar House: Passive Heating and Cooling

The Solar House: Passive Heating and Cooling

4.4
$398
Flexvent 27743 1/2 Automatic Float Bleeder for Use in Closed Heating and Cooling Systems - White Brass

Flexvent 27743 1/2 Automatic Float Bleeder for Use in Closed Heating and Cooling Systems - White Brass

4.6
$198
Combined Heating, Cooling & Power Handbook: Technologies & Applications, Second Edition

Combined Heating, Cooling & Power Handbook: Technologies & Applications, Second Edition

$610
Inkbird Dual Stage ITC-1000 12V Digital Heating and Cooling Temperature Controller Thermostat for Fans, Aquarium Heaters

Inkbird Dual Stage ITC-1000 12V Digital Heating and Cooling Temperature Controller Thermostat for Fans, Aquarium Heaters

4.4
$175
Bed Cooling System Mattress Cooling & Heating Bed Pad, Water Bed Cooler Ideal for Hot Sleepers Night Sweats Single Size 63 * 27.6in

Bed Cooling System Mattress Cooling & Heating Bed Pad, Water Bed Cooler Ideal for Hot Sleepers Night Sweats Single Size 63 * 27.6in

$649
100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$327
Salus Thermal actuator for energy-saving rules of surface heating - and cooling systems

Salus Thermal actuator for energy-saving rules of surface heating - and cooling systems

4.6
$202
70W 20L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration DOOMUN

70W 20L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration DOOMUN

$267
Morelian 100W 30L Small Fish Tank Water H & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

Morelian 100W 30L Small Fish Tank Water H & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration

$304
100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration DOOMUN

100W 30L Small Fish Tank Water Heater & Chiller Aquarium Chiller Semiconductor Electronic Aquarium Cooler LCD Display Quiet Digital Fish Tank Cooling & Heating System Small-Scale Refrigeration DOOMUN

$301
New Geothermal Cooling - Heating System for Buildings

New Geothermal Cooling - Heating System for Buildings

$934
Vent Systems 4" inch Air Vent Duct Connector Flange Straight Ventilation Pipe Plastic Ducting Connector Plate for Cooling Heating Ventilation System HVAC 4" inch - Pack of (1)

Vent Systems 4" inch Air Vent Duct Connector Flange Straight Ventilation Pipe Plastic Ducting Connector Plate for Cooling Heating Ventilation System HVAC 4" inch - Pack of (1)

4.4
$222
AC InfinityAIRTAP T4, Quiet Register Booster Fan with Thermostat Control. Heating Cooling AC Vent. Fits 4” x 10” Register Holes.

AC InfinityAIRTAP T4, Quiet Register Booster Fan with Thermostat Control. Heating Cooling AC Vent. Fits 4” x 10” Register Holes.

4.3
$909
KingChii 48L Cigar Humidor Cabinet Cooling, Heating & Humidity Control System, Humidor Cabinet with Spanish Cedar Wood Shelves & Hygrometer (4 Layers 300 Capacity)

KingChii 48L Cigar Humidor Cabinet Cooling, Heating & Humidity Control System, Humidor Cabinet with Spanish Cedar Wood Shelves & Hygrometer (4 Layers 300 Capacity)

$1,717
KAISALHVAC Pipe Clamp Thermometer High Accurate Real-time Temperature Meter,Data Waveform Display Temperature Clamp Monitor for Heating and Cooling Systems,Measuring Range -50℃-260℃

KAISALHVAC Pipe Clamp Thermometer High Accurate Real-time Temperature Meter,Data Waveform Display Temperature Clamp Monitor for Heating and Cooling Systems,Measuring Range -50℃-260℃

4.5
$167
Vent Systems 100 mm / 4" inch Air Vent Duct Connector Flange, Straight Ventilation Pipe, Plastic Ducting Connector Plate for Cooling, Heating, Ventilation System, HVAC

Vent Systems 100 mm / 4" inch Air Vent Duct Connector Flange, Straight Ventilation Pipe, Plastic Ducting Connector Plate for Cooling, Heating, Ventilation System, HVAC

3.9
$112