Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
10 Best hvac leak detectors of 2026
Explore top picks
Best Choice1
Fieldpiece9.8Exceptional
Fieldpiece - DRX3 – Refrigerant & Combustible Gas Leak Detector - Detects A3, A2L, A1 Refrigerants and Combustible Gases - Lightweight HVAC Tool
-
-
Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
Careful review Our team ensures quality, value, and fit based on real user feedback
Trusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impact
Thousands of users trust our site daily- Based on millions of stores and reviews
- Shoppers influence our rankings
Value for Money2
Fieldpiece9.7Exceptional
Fieldpiece - DR82 Infrared Refrigerant Leak Detector - Ultra-Sensitive Leak Sniffer with Large, Backlite LCD Screen - Lightweight HVAC Tool
-
upper temperature rating: 104 Degrees Fahrenheit
-
compatible devices: A2L compatible
-
item weight: 1 pounds
-
batteries included: No
-
package dimensions: 12.52 x 10.75 x 3.98 inches
-
3
Fieldpiece9.4Excellent
Fieldpiece - DR58 Heated Diode Refrigerant Leak Detector - Ultra-Sensitive Leak Sniffer with Large, Backlite LCD Screen - Lightweight HVAC Tool
-
4
SENSYX9.2Excellent
SENSYX Rechargeable HVAC Refrigerant Leak Detector, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder (SFD201 Refrigerant&Combustible Gas Detector)
-
upper temperature rating:60 Degrees Celsius
-
compatible devices:N/A
-
item weight:8 ounces
-
batteries included:Yes
-
package dimensions:N/A
-
5
Elitech9.1Excellent
Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life, Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, ILD-200
-
product dimensions: 1.5D x 3.3W x 7.9H
-
color: Ild-200
-
batteries: 1 Lithium Metal batteries required. included
-
upper temperature rating: 20 Degrees Celsius
-
item weight: 2.75 pounds
-
-
See Today’s Deals & Prices
6
Inficon8.8Very Good
Inficon Inficon Refrigerant Leak Detector, Model:705-202-G1
-
upper temperature rating:N/A
-
compatible devices:N/A
-
item weight: 3.1 pounds
-
batteries included: Yes
-
package dimensions:N/A
-
7
Elitech8.6Very Good
Elitech HVAC Refrigerant Leak Detector Heated Diode Sensor Halogen Freon Sniffer, Air Conditioning Detection, R22 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-100H
-
product dimensions: 1.5D x 3.3W x 7.9H
-
color: Ild-100h
-
batteries: 1 Lithium Metal batteries required. included
-
upper temperature rating: 20 Degrees Celsius
-
item weight: 2.87 pounds
-
8
Elitech8.5Good
Elitech Refrigerant Leak Detector, Infrared & Heated Diode Sensors in 1 Unit, HVAC Halogen Gas Sniffer, Anti-Interference, IR-200
-
product dimensions: 1.4D x 2.8W x 7.9H
-
color: Infrared and Heated Diode
-
batteries: 1 Lithium Ion batteries required. included
-
upper temperature rating:N/A
-
item weight: 2 pounds
-
9
Elitech8.4Good
Elitech Freon Leak Detector Halogen Refrigerant Gas Leak Detector HVAC Tester AC Sniffer R22 R410A R134A 1234YF, WJL-6000S
-
product dimensions: 1.37D x 1.37W x 5.9H
-
color: WJL-6000
-
batteries: 4 Lithium Metal batteries required.
-
upper temperature rating: 52 Degrees Celsius
-
item weight: 7.2 ounces
-
10
Elitech8.3Good
Elitech HVAC Refrigerant Leak Detector 10 Yrs Infrared Sensor Life Halogen Freon Sniffer, Air Conditioning Detection, Automotive Gas Finder, R22 R410A R134A R1234YF CFCs HCFCs HFCs, ILD-300
-
product dimensions: 1.5D x 3.3W x 7.9H
-
color: Ild-300
-
batteries: 1 Lithium Metal batteries required. included
-
upper temperature rating: 20 Degrees Celsius
-
item weight: 14.9 ounces
-
