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Heating & Cooling Equipment Categories
Best Choice ADVWIN 
ADVWIN Heater & Cooler Fan, 4-in-1 Portable Oscillating Fan, with 2200W Heating/ 65W Cooling, 3.5L Tank, Humidifier, 12H 【4-in-1 Air Cooler & Heater】The Cooling and Heating Fan combines four functions - cooling, fan, humidifier and heater -IADVWIN 
Advwin Bladeless Heater for Bedroom, 2 in 1 Heating & Cooling Combo, Tower Fan with 8 Speeds, Space Heater for Room Bedr 🍃【Soft and Comfortable Wind】Different from traditional fans, bladeless fan provides soft and comfortable air flow and a
MKII Temperature Controller 2x10 Amp Inbuilt Alarm Heating Cooling Home Brew MKII Temperature Controller 2x10 Amp Inbuilt Alarm Heating Cooling Home Brew.Best Value Inkbird 
Inkbird ITC308 Digital Wired Temperature Controller AU Plug Dual Stage Heat Cool Controller for Beer Brewing Homebrew Aq [Easy to Use] Plug-n-Play Design & Supports °C/°F display
Heating Mantle 500 ML Lab Life Science Equipment Heating Cooling Heating Mantles Body in made of one-piece aluminium and is logged with special mineral wool. Provided with jointless hand knitted heatinHyuduo 
Hyuduo 12V 36A Thermoelectric Cooling Heating Module, Peltier Heater Cooler Device for DIY TEC Equipment [High Efficiency] This thermoelectric heat pump features water cooling parts for apid cooling.Inkbird 
Inkbird WiFi Temperature Controller ITC308 240V Greenhouse Germination Thermostat Digital Heating and Cooling Heater Coo 🌻【WIFI & APP】WIFI smart controller supports both Android & IOS（Applicable to ios13 and above），WIFI supports 2.4GHz Wi-FUseful Activated Carbon Filters Improvement 2pcs Cooling Equipment Heating The real color of the item may be slightly different from the pictures shown on website caused by many factors such as bVAKKI Cooling Towel, Vakki Ice Cold Sports Sweat Towel for Instant Relief perfect for Cooling Scarf Neck ,Forehead, Wristband, INSTANT COOLING This Vakki cooling towel can let you feel cold within seconds,and this physical cold feeling will stay fMKII Temperature Controller 2x10 Amp Inbuilt Alarm Heating Cooling Home Brew FP MKII Temperature Controller 2x10 Amp Inbuilt Alarm Heating Cooling Home Brew.Pixyjack Press, Inc. Geo Power: Stay Warm, Keep Cool and Save Money with Geothermal Heating & Cooling Pixyjack Pr Llc34% Off Inkbird Inkbird ITC-308 WiFi Digital Temperature Controller Outlet Thermostat Aquarium with Waterproof Sensor for Aquarium with 【Dual Relay Output】Dual relay output, which can connect heating and cooling device at the same time.This controller canTemp Twister 9.5mm Stainless Glycol Cooling/Heating Coil 6m 1/2 Thread 1 x Temp Twister 9.5mm (3/8') Stainless Glycol Cooling/Heating Coil (Including 9.5mm (3/8') x 1/2' Thread). If you wantTime Life Education Home Heating and Cooling MKII Temperature Controller 2 x 10 Amp Inbuilt Alarm Heating Cooling Home Brew Set & forget! - Works from -45C up to 120C. Complete plug and play with whatever application you wish to use it for. SitSoiiw Soiiw 220V 350W Soldering Hot Plate LED Microcomputer Electric Preheat Soldering Station Welder Hot Plate Rework Heater Two-dimensional cooling hole design: multi-angle cooling design for better cooling effect and strong practicability.15% Off Inkbird Digital Temp Controller Thermostats Wine Making Seed Germination Pet AU ITC-306T (only heating sockets): Temp. - Support reading with Centigrade or Fahrenheit unit; Maximum output load: 2400W(CRC Press Heating and Cooling of Air Through Coils: Principles and Applications 15 Amp Thermals Protectors Suitable for Heating Cooling Equipment and More With its size, this Circuit Breakers fit seamlessly into tight space, ensuring versatilities and convenience across multRespicefinem Respicefinem Heat Sink Aluminum Radiator for High Power Heating Module and Electronic Equipment Cooling with 60x45x25mm Oxidation : The aluminum radiator has good oxidation and and strong environmental adaptabilityRAPT Temperature Controller 220-240V AC Heating & Cooling Wifi Home Brew RAPT Wifi Compatible. Each power outlet is rated to 10amp (2400 Watt max). Simply unscrew the mounting plate and switchAC INFINITY AC Infinity CLOUDLINE T4, Quiet 4” Inline Duct Fan with Temperature Humidity Controller, Bluetooth App - Ventilation Exh Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.15 Amp Thermals Protectors Suitable for Heating Cooling Equipment and More With its size, this Circuit Breakers fit seamlessly into tight space, ensuring versatilities and convenience across multREDPINGUO Temperature Controller -50 to 110 Celsius (-58 to 230 F) DC 12V Programmable Heating/Cooling Thermostat Control Switch M Temperature controller monitoring instrument, show the measured temperature (red) and set temperature (blue) at the sameSturdy 24V Fan Relaying Accessory With Heating and Cooling Equipment Daily Use With its construction and accessory with furnaces and blowers, this fan Relaying is dependable addition for maintainingAC INFINITY AC Infinity Cloudline S4 Quiet 4 Inch Channel Fan with Speed Regulator Heating Cooling Amplifier Exhaust Air Fan for Ten Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.Temp Twister 9.5mm Stainless Glycol Cooling/Heating Coil 6m 1/2 Thread Home Brew 1 x Temp Twister 9.5mm (3/8') Stainless Glycol Cooling/Heating Coil (Including 9.5mm (3/8') x 1/2' Thread). If you wantSunStream SunStream 8 Inch Duct Booster Fan Heating Cooling Ventilation for Exhaust and Intake, Extreme Low Noise 【Energy-Efficient Ventilation】Improve air quality by boosting airflow in HVAC units, effectively removing exhaust and odABCO Blue Heating Cooling Equipment Baseball Trucker Hat Cap mesh snapback HVAC ABCO Blue Heating Cooling Equipment Baseball Trucker Hat Cap mesh snapback HVAC. Condition is Pre-owned. Shipped with USIndependently published HVAC Service Log: Job Logbook for Heating & Cooling Technicians HEATING MANTLE- lab equipment-heating and cooling-500ml with 200WATTS 500ML 200W. Suitable for laboratories, chemicals, pharmaceuticals, Dyes, Glass plants etc. Particularly useful for HeatiADVWIN ADVWIN 4 in 1 Cooler & Heater Fan, 4L Evaporative Air Cooler with Humidifier, 1800W Heating, UV Light, 3 Speeds, for Bed 🔥【4 in 1 Cooler & Heater Fan】This versatile 4-in-1 heater and cooler fan combo ensures year-round comfort. With 3 cooliNEW IN BOX THERMA ZONE THERMAL THERAPY UNIT HOT OR COLD 003-99 WITH EQUIPMENT 1 HEATING AND COOLING THERMAL THERAPY UNIT. 1 FRONT AND SIDE HEAT PAD. 1 OCCIPITAL HEAT PAD. 1 BACK PAD. 1 UNIVERSAL PADAC INFINITY AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilat Designed for ventilation applications including HVAC, dryer, grow rooms and tents.Jerliflyer BBQ Turbine Blower, Cooling Fan Air Blower Stable Double Ball for Picnic Camping Heating Equipment Barbecue 12V 2.4a Features: Small size and powerful functionality, very suitable for DIY inflatable, cooling amplifiers, automotive parts,Mingzhe Temperature Controller PID Heating and Cooling Relay Universal Equipment XY509 100-240VAC for Kiln Furnace [Automatic Tuning Function] Finds optimal pid parameters for efficient operation.Generic Cover For Outdoor Heater, Garden Heater Protector, Patio Electric Heating Equipment Cover | Outdoor Heating & Cooling | Protective Function: Protect your patio heater from harsh elements with our high-quality Outdoor Patio Heater Cover OutdCRC Press Heating and Cooling of Buildings: Principles and Practice of Energy Efficient Design, Third Edition (Mechanical and Aero リンクスオブジャパン(LINKS OF JAPAN) LINKS OF JAPAN LOJ-PB25-NB 2025 Model Cooling Body Conditioning Peltier Vest Heatstroke Countermeasure USB Powered Cooli Easy to operate. Cools to 10 degrees Celsius in just 60 seconds: Just press the button to start cooling. The cooling plaGeneric PID Temperature Controller Kit Intelligent Digital Display Automatic Temperature Control Instrument for Industrial Use A [Multi-functional Status Display] This controller has five status displays for process value, set value, output, alarm,20% Off TopMate TopMate C5 Laptop Cooling Pad Gaming Notebook Cooler, Laptop Fan Cooling Stand Adjustable Height with 5 Quiet Fans Blue 【High Speed Fan】TopMate Gaming laptop cooling pad has 5 fans, the four outer fans and the large center super strong windYrhrol Yrhrol DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Kit Semiconductor Cooler Heat Sink,2 Cooling Fans, 【High quality and Durable】The complete sealing structure isolates the moisture in the air,Using high-quality aluminum +China Electric Power Press 350MW supercritical pressure air cooling heating unit Technology Series : turbine equipment and running(Chinese Edition) ZLYLVRC Aluminum Heatsink Fast Cooling Block Compatible for Sprite Extruder Heat Sink Thermal Block 3D Printer Accessories Cooling Block Compatible for Sprite Extruder.10% Off YOPOWER YOPOWER Evaporative Air Cooler, 3 in 1 Electric Floor Fan, Heater & Cooler Fan Combos, Mobile Air Conditioner Fan with 4 【Suitable for All Seasons】This 3 in 1 electric fan combines the functions of Cooling Fan, Humidifier, Portable Air CondiRengu
Fireplace Thermocouple, Practical Thermocouple for Heating Equipment for Stove for Gas Stove for Induction Cooker (600mm Measuring Temperature It Is Designed For Temperature Sensing And Measurement, Very Simple And Convenient To Use, PracticDomary Aluminum Radiator Efficient Heat Dissipation High Power Electronic Equipment Cooling 60x45x25mm [Long-lasting Performance] The heat sink radiator boasts a stable structure and outstanding durability.16% Off MISSION MISSION Cooling Hoodie Towel- Hood Towel, Evaporative Cool Technology, Cools Instantly When Wet, UPF 50 Sun Protection, COOL MORE. DO MORE Enjoy staying active longer and doing what you love even when the temperature rises with the coolingYrhrol Yrhrol DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Kit Semiconductor Cooler Heat Sink Conduction Modu 【High quality and Durable】The complete sealing structure isolates the moisture in the air,Using high-quality aluminum +Yosoo Yosoo 5V-12V ZVS Low Voltage Induction Heating Power Supply Module with Coil Zvs heating power Supply module including heating coilAC INFINITY AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilat Designed for ventilation applications including HVAC, dryer, grow rooms and tents.IS Icstation 12V 12W Flexible Polyimide Heater Plate Adhesive PI Heating Film 10mmx93mm 【Fast Preheating Speed】Uses polyimide as an insulator outside, and the thermo foil as an electric heating element insideGeneric Buffer Tube Cover - Foam Grip Tubing Foam Tube Insulation | Rubber Pipe Insulation for Water Heating, Cooling Systems, F Infinite Reusability: Flame retardant insulation rubber pipe, providing perfect protection against heat loss and condensAC INFINITY AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller - Ventilation Exhaust Fan for Heating Cooling B Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.AC INFINITY AC Infinity Flexible 8-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilat Designed for ventilation applications including HVAC, dryer, grow rooms and tents.NUMNBE U Shape Heat Sink - Efficient Cooling, Large Air, Durable Anodized Aluminum, Ideal for Electronics & CPUs, 100x50x50mm, 【Rapid Heating】: Featuring a stainless steel U-shaped heating element, this 220V heating pad delivers fast, even heat diBibliogov Low-Interest Loans for Residential Solar Heating and Cooling Equipment: Hearing Before the Subcommittee on Housing and C MEIJUN Digital Temperature Controller STC-1000 Intelligent Temperature Regulator AC 110~220V Refrigerator Thermostat Support He ⚽Made of premium ABS material, with fine workmanship, compact size & light weight & high compatibility & strong anti-intYrhrol Yrhrol Mini Air Conditioner DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Heat Sink Conduction Module S 【Easy to install】An excellent DIY kit for electronic enthusiasts in semiconductor refrigeration applications,CompletelyvidaXL vidaXL Ventilation Duct Insulated Aluminium 6 m Ø15 cm - Durable Polyester Aluminium Duct for Noise Reduction in Hydropo 【Wide Applications】: Perfect for hydroponic planting rooms, tents, bathrooms, attics, heating, cooling transport, and otDIGITEN DIGITEN Temperature Controller WTC100 Wireless Thermostat Outlet Remote Control Temperature Homebrewing Thermostat Plug- 📡【Wireless Remotely Control】: Remotely set and control, portable design, which is more convenient and handy. Communicat14% Off GOWENIC 12V Thermoelectric Peltier Cooler Semiconductor Refrigeration Cooling Fan System Heatsink DIY Kit Mini Air Conditioner F [Small Size Design] Peltier cooler kit adopts small size design, saving space, can be installed anywhere, easy to instalRepa Market 4" Inch Duct Connector Flange, Plastic Straight Pipe Flange for Heating Cooling Ventilation System 4" Inch Duct Connector is made of quality ABS,compact and solid.ADVWIN ADVWIN 4L Evaporative Air Cooler, 4 in 1 Cooler & Heater Fan with Humidifier & UV Light, 3 Speeds Fan & 1800W Heating fo 🌈【4 in 1 Multi-function Fan】This versatile 4-in-1 heater and cooler fan combo ensures year-round comfort. With 3 coolinSHUNJIE SHUNJIE Sand Blaster Thermostat Cooling Heating for Sandblaster Helmet ＆Sandblaster Suit and Sandblasting Hood,Thermosta Note: This air temperature controller is suitable for the sandblasting and surface treatment industries. The thermostatSPORTARC Air Vent Duct Connection Flange for Indoor/Outdoor Heating Cooling (200mm) 【and Reliable】Made of plastic material, the ventilation duct connection flange ensures lasting performance and durabilitBUGUUYO BUGUUYO 2pcs Vehicle Dash Air Vent Covers for Agricultural Machinery Durable Dashboard Air Conditioning Vents Efficient Userfriendly dashboard: the dashboard air vent in the excavator is designed with multiple integrated functions for userAngoily Angoily Monitoring Digital Thermostat 24V/240W Lab House Thermostat for Heating Cooling Temperature control module-- compatible with a wide range of heating or cooling devices, providing flexibility and adaptLIUZHIPENG W3230 12V 24V 110V 220V Digital Temperature Controller LED Display Thermostat Cooling NTC with Heating Sensor Switch ⚡【Application】This temperature controller thermostat can be for incubator,terrarium,freezer,refrigerator,heater,fridge,hCAXUSD CAXUSD Digital Thermostat Controller to Microcomputer Programmable Heating Cooling Temperature Sensor Digital thermostat for home-- with precise temperature control, this temperature controller great durability and consistRepa Market Repa Market 4" to 3" Inch Male Fit Round Duct Reducer - Galvanized Steel Pipe Coupler/Increaser - Coupling for Round Duc PRECISE MEASUREMENTS: Both endings are male fit. Smallest opening dimensions: Ø3.11" Inches. Widest opening dimensions:Generic (2pcs) TEC1-12706 Heatsink Semiconductor Refrigeration Tablets 6A 12 Volt 60 Watt Thermoelectric Cooler Cooling Peltier TEC1-12706 Thermoelectric Cooler Peltier 12V 60WKerodina Press, LLC The Homeowner's Guide to Heating, Cooling & Indoor Air Quality AC INFINITY AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventila Designed for ventilation applications including HVAC, dryer, grow rooms and tents.ANLAN ANLAN Hot and Cold Facial Beauty Device EMS Hot and Cold Care LED Light 8 in 1 Facial Device Eye Mouth Care Lift Ion Por Multi-functional heat and cooling facial device: With 8 functions, this facial beauty device can be used not only for yoMEIJUN Digital Temperature Controller STC-1000 Intelligent Temperature Regulator DC 12V Refrigerator Thermostat Support Heating ⚽Made of premium ABS material, with fine workmanship, compact size&light weight&high compatibility&strong anti-interfereSMALL HOME HEATING AND COOLING: How to choose the best heating and cooling units for small homes WanRomJun Aluminum Heat Sink Heatsink Module Cooler Fin for High Power Electronic Equipment Cooling,60x45x25mm Aluminum Radiator H 【High Quality Aluminum Material】Heat sink uses high quality aluminum profiles material, which has strong and durable, haClyxgs Clyxgs 12 Pipe Aluminum Heat Exchanger Cooling Water Drain Water Cooling Radiator Water Cooling Row with Fan Radiator fo Product Name: Water Cooling Radiator; Size: 275 x 120 x 58mm/ 10.8'' x 4.7'' x 2.28''(L*W*H).ZUDKSUY ZUDKSUY 4 Inch to 8 Inch Duct Pipe Reducer Connector, Duct Reducer Connector,Heating Cooling Ventilation Tube Fire-Resis Duct Connect Diameter: 200 x 110 mm / 7.87 x 4.33 inch (Big*Small); Thinkness:85 x 4 mm / 3.34 x 0.16 inch (H*T)Bibliogov Ufgs 23 82 02.00 10: Unitary Heating and Cooling Equipment Createspace Independent Publishing Platform Low-Cost Home Heating and Cooling: Save Money, Reduce Energy Usage and Live More Comfortably with Space Heaters, Room an AC INFINITY AC Infinity CLOUDRAY S6, Grow Tent Clip Fan 6” with Redesigned Long-Life EC Motor, Custom 10 Dynamic Wind Speeds and 10- A 6-inch clip-on fan engineered for longer-lasting, tailored circulation in grow space environments.Generic Game controller radiator - directional air cooling, three adjustable equipments | Advanced air duct design, widely used, Adjustable to three genes: features adjustable wind speeds in three levels (low, medium and high wind speed), ensuring aエアリア SD-COOLG5 Airer, Outdoor Unit, Smartphone Cooler, Outdoor Unit, Peltier Cooling Fan, Temperature Display, 2 Stage Coolin Drive Method: USB power supply (5V/2A)tooloflife 51.5mm Turbine Blower Cooling Fan 12/24V 5015 Dual Ball Bearing Turbine Brushless ✅Easy for installation, reliable quality ensuring stable and excellent performance.EMSea EMSea 2PCS XH-W3001 Digital LED Temperature Controller Module Thermostat Switch with Waterproof Sensor Probe Programmabl 2 WORKING MODES : This digital LED temperature controller module has 2 working modes, heating mode (start temperature isHomoyoyo Homoyoyo 1Pc Transparent Glass Crystallization Dish with Spout Laboratory Supplies for Heating Cooling and Storing Exper Specimen cups with lids--suitable used for laboratory, school, home, and etc very practical,glass laboratory dishReston Publishing Cooling Systems Troubleshooting Wiley Heating, Ventilating, and Air Conditioning: Analysis and Design Independently published Cooling Solutions for Industrial Hydraulics: Optimizing Performance and Efficiency 21 Ways to Avoid Costly Mistakes When Choosing Your New Heating and Cooling System uxcell uxcell 12" to 8" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-Resistant Increaser Adapter Pipe Fitting Inner Diameter: 315 x 200 mm / 12.4 x 7.87 inch (Big*Small); Size: 150 x 4 mm / 5.91 x 0.16 inch (H*T)AMAKO 3D Printer Extruder Heat Sink:Aluminum Alloy Cooling Block for K1 Printer with Ceramic Hotend [ENHANCED PRINTING QUALITY] The 3D Printer Extruder Heat Sink is designed to dissipate heat efficiently, ensuring excellOSALADI OSALADI 5pcs Abs Thermostat Heating and Cooling Electronic Component Temperature Control Supply Temperature Sensor Digit Electric thermostat controller: compatible with a wide range of heating or cooling devices, providing flexibility and adAMAKO 3D Printer Extruder Heat Sink:Aluminum Alloy Cooling Block for K1 Printer with Ceramic Hotend [ENHANCED PRINTING QUALITY] The 3D Printer Extruder Heat Sink is designed to dissipate heat efficiently, ensuring excellCRC Press HVAC Water Chillers and Cooling Towers: Fundamentals, Application, and Operation, Second Edition (Mechanical Engineering McGraw Hill Higher Education Heating and Cooling of Buildings: Design for Efficiency YDuupxe Thermoelectric Cooler, Peltier Plate Module, Heatsink, Refrigeration Accessories for Appliances, Electronic Equipment [Get instant ice or boiling heat] Use semiconductor technology to achieve rapid cooling or heating for various applicatiGenerico AC Hose Cover, Air Conditioner Wrap, Duct Vent Sleeve, Insulated Dustproof Layer, Adjustable Buckle Straps, Suitable for Insulated Wrap for Temperature Efficiency: Helps maintain indoor cooling or heating by minimizing heat transfer throughGUYOS GUYOS Constant Temperature Heating Platform 50 * 50mm Enlarged Heating Area Built-in Cooling Fan 160 * 80 LCD Display Se 【Segmented Heating】: The new "reflow soldering" heating curve design, can set the heating temperature and time in segmenCRC Press Heating and Cooling of Buildings: Design for Efficiency, Revised Second Edition MEIJUN RAYWE Thermoelectric Peltier Refrigeration Cooler,288W Thermoelectric Peltier Refrigeration Cooler 12VDC 30A Semiconduct ? High Technology : It adopts semiconductor technologies and electronic assembly techniques. Low noise and vibrations, nChina Building Materials Industry Press The principle and equipment of jet heat exchange with large temperature difference Low-carbon district heating and cooli Gupcaqosjw Gupcaqosjw Computer RAM Cooling Vest - 5V Heat Cooler with Addressable LED,3Pin RAM Radiator, Efficient Fin Radiation Di Solid Material: With an aluminum alloy shell, our RAM heat sinks come with pre-applied thermal tape to assure excellentIndependently published Process Cooling for Breweries: A Comprehensive Guide Ashrae Datacom Equipment Power Trends and Cooling Applications Used Book in Good ConditionYosoo Yosoo 1000W ZVS Low Voltage Induction Heating Board Module coil 12V-48V Flyback Driver Heater DIY Tested 53V power supply when working properly.QANYEGN QANYEGN Heating Scarf, Portable Neck Heating Pad, USB Powered by Power Bank, Electric Heated Scarf for Neck Pain Relief( REGULATEABLE TEMPERATURE: This smart heated scarf allows you to easily adjust the temperature to your desired level of wIndependently published A Comprehensive Guide to the Cooling of Industrial Furnaces and Ovens Independently published Process Cooling for Chemical & Petrochemical Plants AC INFINITY AC Infinity CLOUDLINE PRO S12, Quiet 12” Inline Duct Fan with Speed Controller - EC Motor Ventilation Exhaust Fan for He Designed to ventilate hydroponic grow rooms, transfer heating/cooling, cool AV closets, and exhaust odors.VIVOSUN VIVOSUN AeroZesh G6 Inline Duct Fan, Quiet 6" 388 CFM Ventilation Exhaust Fan w/EC Motor and GrowHub E42A Temperature Hu Unify Your Equipment: You can operate them individually or unify all your smart devices through the GrowHub E42A platforAmerican Society of Heating Refrigerating and Air-Conditioning Engineers Datacom Equipment Power Trends and Cooling Applications, 2nd Edition TSD Training Refrigeration and Air Conditioning Volume 4 of 4 - Equipment Cooling: Includes Direct Expansion, Absorption, Centrifugal