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Heat Exchanger Training Lab

Heat Exchanger Lab

Hi, my name is Steve Holland. I consider myself a heat exchanger geek, guru and a heat exchanger expert. For the past 29 years, I have dismantled, repaired and re-build thousands of furnaces. I’ve come to find enjoyment in teaching other companies or technicians on how to become experts or gurus in heat exchangers and furnace safety. If your company is seeking heat exchanger training and certification, Rapidtech may be the perfect for you!

It’s 100% online

It’s 100% a true certification

All graduates will receive a diploma or course completion certificate, shoulder patch and laminated card to show customers.

Today, we offer an online portal that offers a full Heat Exchanger Certification. What makes our certification a great fit for many companies?

  1. It’s affordable
  2. No down time for techs
  3. Self paced learning
  4. You’ll get access to all of our videos that show where to find failures
  5. It works!

Each class comes with a supporting document, video and a quiz. Once the entire course is complete your student can print out their certificate of completion.

Want to learn more: email me at:

Click here to view FREE resources and heat exchanger training


Steve Holland


Quite the Cracked Heat Exchanger! Arcoaire Model GUH


Each week, I take a detectives deep dive into furnaces, boilers and air conditioners as part of my role at Rapidtech. My hobbies are a little different than most with one being that I get all lathered up when I get the opportunity to break down HVAC equipment for the purpose of developing technicians and finding problems. Our goal is to “Change the HVAC Industry One Tech at a Time”. It’s also our goal to help homeowners remain safe, live comfortable and avoid unnecessary expensive repair bills. In this video, you will discover what I discovered with Snyder General’s Arcoaire Model GUH.



Rapidtech Course – Lennox Cracked Heat Exchanger

In 1990, when I started as a service technician, I had the privilege of working on literally thousands of these Lennox Gas Furnaces. If you are a technician this is a must see video on where these Lennox curved heat exchangers fail.

Remember to always check the following when and if you find a failed heat exchanger on a Lennox furnace or any other furnace with a cracked heat exchanger.

  • Static Duct Pressure
  • Filter size
  • Evaporator coil
  • Number of supplies and returns
  • Gas Pressure
  • Delta T
  • Venting
  • Draft
  • Perform a combustion analysis
  • Check for gas leaks


Mr. Holland Tours Wisconsin

Steve Holland’s Tour comes to a close

What an amazing week! This week, I traveled the State of Wisconsin to visit several Tech schools.

I began the week in Wausau at North Central Technical College and ended it at Madison Area Technical College in Madison. The week prior I traveled to Milwaukee and Eau Claire.

I really enjoyed the Wausau class, and the guys seemed to really enjoy the seminar. There were many good questions asked about air flow, setting up boilers, and much more.

Both classes in Madison were excellent, and this group was a hilarious bunch. I had a great time at all of the schools this year, and look forward to meeting and visiting again next year.

In Eau Claire, as always a pleasure. All I have to say is WOW on the new training lab that will be built at CVTC. I’m excited to see it.

Milwaukee – I really enjoyed that visit. I found out that one of the instructors and I both worked at the same place. Congrats to Milwaukee on winning the Tech Competition. Excellent questions were asked across the board by all students and instructors.

Here are several topics that students in HVAC program wondered about:

One student asked; “Is their driving record important?”

Another asked “What can you do if your employer is not proactive in training and education?”

We also talked about pressure switch failures and the importance of air flow and combustion analysis.


Here’s my take on these subjects:

Driving record

I think it is essential to maintain a good driving record, especially if you decide to be a heating and air conditioning service technician. Many insurance companies will not insure a technician or installer that has a poor driving record. I suggest that if you have a poor record currently, that you start fresh and do whatever you can to get it cleaned up. At our company, when we hire technicians with a poor driving record, we make them part of an install team. These teams typically ride together, allowing the main driver to be the one with a good record. Occasionally, there are sales positions that allow a sales person to use their own vehicle to meet with customers. This is also another viable option.  Keep it clean for a year, and you most likely will be okay.


What can you do if your employer is not proactive in training and education?

The first thing that I suggest is that you be a leader in the company. Talk with your employer about getting you involved in more HVAC education, and be positive about it. I also suggest that you be a self-starter and self-guided. There are many resources available online for all HVAC students and technicians.

One thing that I do at all of my seminars is provide a list of resources for students via email to the instructor. If you have an employer that feels that education is not important, well, you may have to move on. Lastly, if you find an employer that is proactive and willing to invest in you, be loyal in return, and don’t always worry about that hourly wage. Sometimes you’re better off working at a company with a great culture coupled with a proactive approach to education than the company that is miserable to work for.


Pressure Switch Failures, Air Flow and Combustion analysis

At our company (Mr. Holland’s Heating and Air Conditioning), we change hundreds of pressure switches each year. Currently, we are heightening our awareness on furnace tune ups and making a bigger attempt to test every one. The three main failures of a furnace are often the pressure switch, the ignitor, and a dirty filter.

When it comes to air flow, it’s probably the most overlooked and underappreciated check for a furnace. Many heat exchanger issues start as a result of a lack of air flow.  Technicians today must understand all of the testing methods for finding air flow problems. It makes no sense to replace a furnace or air conditioner that is short of breath.

Combustion analysis is yet another missed opportunity for technicians. I suggest that all gas furnaces, boilers and oil burning furnaces go through the testing and adjusting process. Many heat exchanger failures can be identified via the combustion test.


In closing, I would like to thank all of the instructors at all of the schools. I am excited for the future of the HVAC industry, and I really enjoyed meeting with the hundreds of students.

Milwaukee Area Technical College  – Milwaukee, WI

North Central Technical College – Wausau, WI

Chippewa Valley Technical College – Eau Claire, WI

Madison Area Technical College in Madison, WI


“Let’s change the industry – One Technician at a Time!”


Steve Holland



For more information contact Steve Holland.

Heat Exchanger Safety – visit

Mr. Holland’s Heating and Air – visit

Visits – MATC and CVTC

Visit to Technical Colleges

For two days now, I have been spending time with the HVAC students at Chippewa Valley Technical College in Eau Claire, WI and Milwaukee Area Technical College in Oak Creek, WI. Each year, I am fortunate enough to be invited back to these schools and many others in Wisconsin. I am delighted to see a continued interest in the skilled trades as we enter an era where it is difficult to find skilled labor.

My goal is to continue in educating these future HVAC technician hopefuls on why this is such a rewarding industry and what they should expect when they hit the road as an HVAC technician.

Several topics that we discussed in depth were related to air flow, combustion analysis and education. One goal that I am trying to hit home is the importance of airflow coupled with proper static duct pressures and the monitoring of combustion flue properties.

At one point in the presentation an instructor from MATC made it very clear to all of the students at this seminar that combustion analysis is very important. I couldn’t agree more. In all of our HVAC businesses we provide our technicians with the correct tools needed to perform combustion analysis of residential boilers and furnaces. One company that I personally believe is an industry leader in combustion analysis test instruments is the Bacharach Company.

We are in a technologically advanced environment today where furnaces, air conditioners and boilers are subject to failure, lost efficiency and a loss of comfort when they are not set up or maintained properly. My hope is that by having this discussion early in the careers of these students that when they reach the field of heating and cooling that they will already have an understanding of this importance.

Next week, I will be in Madison and Wausau to continue working with future HVAC technicians. It’s time we change the HVAC industry through training and education. I’m very excited for the future of HVAC.


If you are an instructor of an HVAC program feel free to contact me about scheduling a training seminar at your school.



Education… The ingredient of Safety

Education does matter

Why education matters.

For several years, I was that technician out in a truck servicing furnaces, air conditioners and boilers all over Wisconsin. I had some fears along the way with one being incompetence. I worried that I would make a mistake or miss something that was valuable to my customers. This fear results from pride that many blue collar skilled workers carry with them each day.

Pride is okay when it comes to serving customers and doing your job well. I was one of those techs. Often times my technicians get upset with me because I care about details, safety and I care about quality. I won’t settle for anything less!

I never wanted to screw up. I cared! When I started Mr. Holland’s Heating and Air Conditioning in 1997, I made it very clear that we will invest in the right tools, state of the art technology and training so that our techs never have to be faced with the fear of looking like an uneducated HVAC service tech. For you owners out there… the fastest way to hurt a technician’s confidence and break his morale is by not getting him trained. I speak with technicians all over the country and I hear the same story over and over… “my boss never spends any money on education or training”.

Education matters because you want highly skilled universal technicians that carry pride in what they do coupled with a positive attitude. It also matters because homeowners that pay for heating and cooling repairs on their furnace or air conditioners expect it. The insurance companies love it because it reduces workers compensation claims and liability issues.

Want a safe HVAC company? Train your people and get them the tools that they need to be good at their job. Here’s a video of a company that was performing tune ups and missing a very important step.

Click Here to Watch Video



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