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Side by side comparison of the Retrotec and Minneapolis blower doors. Blower Door Comparison Guide (PDF)

TruTech Tools, LTD was founded on the belief that better tools and better training make for better technicians. Our motto: “A true sign of a true technician is the quality of their tools and his or her ability to use them.” At TruTech Tools, it is our mission to ensure that you not only own the best test equipment, but also know how, when, and where to use it. We spend a lot of time and effort evaluating and testing products, truly understanding them from the inside out, so that your experience …

Here’s a special that’s hard to turn down! SAVE $250 on Testo Combustion Analyzer Printer kits! Testo 327-1 Printer kit now $1105 Testo 327-1 Printer and Smoke Spot tester kit now $1249 Testo 330-1 Printer kit now $1955 Testo 330-1 Printer kit with EASYHEAT PC Software now $2314 These are fantastic, rock solid pieces of equipment with 3 year (327-1) and 4 year (330-1) sensor warranties. This is a limited time offer so act soon! …

Hard to beat this! A new website, www.EnergyAudits.com, launched at the Affordable Comfort Conference in Kansas City, provides a searchable (by state and ZIP code) national database of certified (BPI or RESNET) Energy Auditors, Energy Raters, and Home Performance Contractors. Presently, EnergyAudits.com is encouraging certified professionals to be listed free of charge. Once the database has representation in all 50 states, they will begin a national marketing campaign …

Carbon Monoxide Alarms Save Lives. If you are involved in home energy auditing, building science, weatherization or HVAC, you should be installing and carrying low level CO alarms. Every home you test and tighten is a liability. Testing and retesting my not minimize your liability to the levels that you and your insurance company desire and your customers expect. Because homes are dynamic they need to be treated as so. Even the best contractors cannot predict every characteristic that a ho …

The Pt100 temperature probe on the Testo 500 series refrigeration instruments has been carefully designed to work under a wide range of applications while providing the fastest temperature response in the industry. The platinum-based 4-wire construction of the sensor has exceptionally low mass and is shielded from electrical interference from ghost voltages or static electricity common in refrigeration systems. When plugged into the instrument, an O-ring provides a liquid-tight seal that protect …

Testo A/C Applications Guide (PDF) is an invaluable resource for technicians from entry level to senior.

Getting the most from your Testo 330 or 327 Some thought on combustion testing. When performing a combustion test, one of the most important concepts to understand is stability of the combustion process. If the combustion process is not stable, it is not safe. Once a flame is established, the burner should quickly reach study state operation and not be affected by factors external to it. While the combustion process is not adjustable, it is dynamic. Many factors of the installation and operat …

Why test? Making and interpreting measurements is a crucial part of any job involving service, installation, design verification, engineering, or factory support of HVAC/R equipment. When it comes to verifying proper operation of the installed equipment it is critical that measurements made in the field are just as accurate as those made the laboratory. At Trutech we believe that we all have an obligation to assure that the equipment is operating at peak performance levels for the benefit of co …