For tough air conditioning and refrigeration maintenance and testing jobs, look no further than TIF tools. HVAC systems feature numerous forms of complex machinery that are prone to lead to difficult fixes. With TIF instruments, though, the fix can be simple! TIF instruments like the TIF8900 Combustible Gas Detector or the TIF902A Refrigerant Charging Scale are easy to transport, use and read for seamless testing. Plus, we carry replacement parts such as TIF gauges, carrying cases and replacement batteries to keep your TIF instruments running smoothly at all times. For TIF instruments and all HVAC maintenance and testing tools, shop HVAC Brain!