Klein Tools HVAC\R – Your Most Durable Brand

Featured HVAC Products
Non-Contact Voltage Tester Pen, 12-1000V, with Infrared Thermometer
NCVT-4IR
Klein Tools NCVT-4IR is a voltage tester that provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared (IR) thermometer measurements, making it the perfect choice for HVAC professionals.
Carbon Monoxide Detector with Carry Pouch and Batteries
ET110
The ET110 CO Detector is an easy-to-use meter that detects and measures concentration levels of carbon monoxide (ppm) and temperature (Fahrenheit/Celsius), making it the perfect choice for HVAC professionals. Features backlit LCD screen, warning indicator light, audible and visual alarms and multiple function buttons. Includes carrying pouch and 4xAAA batteries.
Slim-Jaw Adjustable Wrench, 6-Inch
D86934
Manufactured for strength and durability, this handy 6-Inch wrench features 40-Percent slimmer jaws (than standard adjustable wrenches) and meets ASME 107.100-2010 standards for adjustable wrenches. Excellent for working in tight spaces and wrench over wrench applications such as gas lines, pumps, extension valves and motors.
2-in-1 Nut Driver, Hex Head Slide Drive™, 6-Inch
65129
Unique, patented tip slides back and forth from 1/4-Inch and 5/16-Inch hex sizes. A simple twist of the thumb nut locks in the tip setting. Magnet in hex keeps screw in place regardless of which driver is selected. Classic Cushion-Grip handle for added torque and comfort.
Hex Key Adapter for Refrigeration Wrench
86939
Adapt any 1/4-Inch square wrench opening to 3/16-Inch and 5/16-Inch hex head sizes. This spring loaded ball bearing adapter locks securely into wrench. Fits Klein Refrigeration Wrenches 86938 and 68310 and provides an easy ratcheting action for hard to reach valves. Perfect for heating, AC, and refrigeration applications. Made in the USA.
Reversible Jaw/Adjustable Pipe Wrench, 10-Inch
D86930
Manufactured for strength and durability, this two-in-one tool easily converts from an adjustable wrench to a pipe wrench by reversing the removable jaw. Both configurations boast an extra-wide jaw opening of 1-1/2 inches (38mm). Meets ASME 107.100-2010 standards for adjustable wrenches.
HVAC Slide Drive™ Multi-Bit Screwdriver / Nut Driver, 8-in-1
32596
This 8-in-1 HVAC Slide Drive™ Screwdriver / Nut Driver has a unique, patented head that slides back and forth to switch from 1/4-Inch to 5/16-Inch magnetic hex-head screwdriver. Convenient thumb nut locks tip setting. It includes a specialty bit for the installation/removal of common TR-4 Schrader® valves as well as regular 1/4-Inch and 3/8-Inch nut drivers plus Phillips/slotted double-ended bits. Offers the HVAC tech the convenience of having magnetic nut drivers on a multi-bit screwdriver.
Digital Pocket Thermometer
ET05
Klein Tools ET05 is a digital thermometer that takes ambient and direct-contact readings in both Fahrenheit (°F) and Celsius (°C) scales.The rugged, portable design makes it the choice of HVAC field service teams. The protective sheath cleverly serves as a handle to extend reach.
Combustible Gas Leak Detector
ET120
The ET120 is it the perfect choice for HVAC professionals. It is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane and other combustible gases at concentrations as low as 50 ppm. It features two levels of sensitivity depending on users' needs: High (approximately 50 to 1000 ppm) and Low (approximately 1,000 to 10,000 ppm).
2-in-1 Nut Driver, Hex Head Slide Drive™, 1-1/2-Inch
65131
Unique, patented tip slides back and forth from 1/4-Inch and 5/16-Inch hex sizes. A simple twist of the thumb nut locks in the tip setting. Magnet in hex keeps screw in place regardless of which driver is selected. Classic Cushion-Grip handle for added torque and comfort.