Introduction
When you’re chasing down stubborn refrigerant leaks, accuracy and speed matter — but so does flexibility.
The Bacharach Informant 2 is one of the few leak detectors trusted by HVAC pros for detecting both refrigerants and combustible gases with a simple sensor swap.
Let’s dive into why it’s still a top choice heading into 2025.
Overview
The Bacharach Informant 2 is a dual-function, handheld leak detector capable of identifying refrigerants and combustible gases using interchangeable sensors.
Designed for service technicians who need versatility in the field, it offers adjustable sensitivity, visual and audible alarms, and fast warm-up times — all packed into a lightweight, ergonomic unit.
With its rechargeable battery system and quick sensor changes, it’s a trusted workhorse across HVAC/R, appliance service, and commercial maintenance industries.
Pros
- Dual gas detection (refrigerants and combustible gases) with swappable sensors.
- Adjustable sensitivity for pinpointing small leaks.
- Fast warm-up time — ready in about 30 seconds.
- Audible and visual leak alarms for flexible use on loud job sites.
- Long battery life with rechargeable NiMH battery pack.
- Lightweight and easy to maneuver even in tight spaces.
Cons
- Sensor heads need occasional replacement with heavy use.
- Higher initial cost compared to single-purpose leak detectors.
- Best accuracy depends on proper sensor maintenance (needs occasional cleaning).
Who It’s Best For
- HVAC techs needing one tool for both refrigerant and combustible gas leak detection.
- Commercial maintenance techs working across different system types.
- Service pros who prioritize fast response time and high sensitivity.
Conclusion
The Bacharach Informant 2 offers unbeatable flexibility for HVAC pros who need a leak detector that handles multiple jobs without missing a beat.
While it costs a bit more upfront than basic models, its dual-sensor design, rugged reliability, and long-term versatility make it a smart investment for serious service technicians heading into 2025.
👉 Want to see more top-rated leak detectors?
Check out our Top 5 Refrigerant Leak Detectors for HVAC Techs (2025 Update) for a full gear comparison.