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Blog

Explore HVAC tips, troubleshooting guides, product insights, and more to help you work smarter in the field. Browse our latest articles below.

Technician's Guide to the Best HVAC Tools

Any HVAC/R technician knows that having the right tools makes a big difference. Whether you work in the U.S. or Canada, HVAC/R services are essential for maintaining comfort in homes and workplaces. Refrigeration tools are equally important for food preservation and storage. There is a wide range of AC and refrigeration tools available, with different brands and features. The key is choosing the right tool for the application and task at hand. So how do you choose the right HVAC tools and get …
25th Jul 2023 TruTech Tools, LTD

Why Combustion Test?

Benefits of proper system setup through testing Whether working on gas, oil, coal, or wood fired appliances it is imperative to perform a combustion analysis during routine service, or any time changes are made that will affect the combustion process.  This can be as simple as adjusting an air shutter, changing gas pressure or as involved as changing an oil nozzle.  A combustion analysis is performed for five primary reasons:    To verify the safety of the appliance …
25th Jul 2023 TruTech Tools, LTD

Combustion Testing and Type-B vent material

See what the Manufacturer's of Type-B venting have to say about installing and sealing combustion test ports.The linked letters below were originally pulled together in 2002 by Bob Dwyer (formerly Manager of Training at Bacharach, Inc.), and updated in 2024 by TruTech Tools own Eric Kaiser.See the updated letters here: Type-B Vent Letters …
25th Jul 2023 TruTech Tools, LTD

The Best Digital Manometers for HVAC Techs

Did you know that there were 367,900 HVAC technicians in the United States in 2018? The expected growth in our industry is 13% from 2018 to 2028. And it's no wonder why because residential and commercial buildings both need to be properly heated and cooled throughout the year. If you're a HVAC technician or planning to become one then you need to know about manometers. Keep reading to learn more about manometers, including the different types of manometers and which are the best digital manomete …
25th Jul 2023 TruTech Tools, LTD

HVAC Marketing: Seven Strategies to Market Your HVAC Business

HVAC Marketing: Seven Strategies to Market Your HVAC Business The HVAC market is predicted to escalate in the next five years at a CAGR of 4% and reach USD 36 billion by 2025. So, you can expect fierce competition and plan a robust HVAC marketing strategy to tackle it. As more than 80% of consumers begin their search online, there’s a huge opportunity out there. Word of mouth is no more the holy grail of advertising. You need a comprehensive marketing plan to focus on 90% of Americans who consid …
25th Jul 2023 TruTech Tools, LTD

Testo 550 Common questions and answers

Testo 550 Common Questions and Answers   Table of Contents 1.     The up and down arrows do not do anything, what am I doing wrong? 2.     Do I have to re zero the instrument every time that I use it? 3.     Why does the superheat of subcooling calculation show  ------ 4.     I only purchased one probe with my 550, how do I switch from superheat to subcooling? 5.     Why doesn't …
25th Jul 2023 TruTech Tools, LTD

How to Get Online Reviews for Your HVAC Business

You offer HVAC services to homeowners and businesses and you want the whole world to know. You always put your best foot forward and you provide service to your customers that is always above and beyond their expectations. The customers you serve are always pleased with your work and you want to parlay their happiness into more business for your company. Word of mouth is an effective way for your past customers to help your business grow, but these days, there's nothing better than online revie …
25th Jul 2023 TruTech Tools, LTD

What does the 550 do that a regular set of gauges and a thermometer will not?

  So what does the Testo 550 do better? Higher accuracy, the Testo 550 has 2-3 time the accuracy of analog gauges and does not easily go out of calibration No need for a temperature pressure chart, the Testo 550 calculates saturation temperatures for every common refrigerant Real-time superheat and sub-cooling. The 550 will calculate superheat and sub-cooling on systems when they are unstable like periods of low load. Because it tracks changes in real time it is easy to see min, max, …
25th Jul 2023 TruTech Tools, LTD

Hughes Views #1 - Where is all the air going?

In my twenties, I spent a lot of time doing service calls in some of the tallest buildings in downtown Baton Rouge.  Some of the mechanical rooms inside these buildings are a sight to see.  They are full of heavy industrial equipment from pumps to chillers and steel piping everywhere!  Have you ever been in a large commerce building that is vacant?  It can be a bit eerie and creepy quiet.  This is the same feeling I would get when walking into a basement floor mechanica …
25th Jul 2023 Guest Blogger- Christopher Hughes

Hughes Views #2 - Cutting through the noise!

Last summer I went to the home of a new customer on a sales call.  A previous company had come out and told her that the system had a bad compressor and that the air conditioning system needed to be replaced. I went into the home, and I came to the same conclusion.  However, upon my inspection, I pointed out to her that the fresh air intakes for both air conditioning units were disconnected and capped off.  She went into an explanation that the previous company who capped off the …
25th Jul 2023 Guest Blogger- Christopher Hughes