Your everyday experience has given you a place to start.
Ever wondered why a room feels warm, checked whether a delivery was right or asked why something did not work? You were noticing, questioning and looking for evidence.
You can build on those habits as you learn commissioning (Cx), quality assurance and quality control (QA/QC), controls and building systems.
You may be new to the terminology. You are not starting from zero.
When I teach, I look for something you already understand. We connect the new idea to it, work through the differences and practice using that thinking somewhere else. The moment you recognize the connection, the subject has a place to begin making sense.
Your curiosity matters. So does the willingness to ask another question, check an assumption and change your mind when the evidence calls for it. Training adds the technical knowledge, procedures, feedback and experience that help you use those habits responsibly.
Five familiar situations · Five useful connections
Start with a question. See where it takes you.
Choose an example and try a response. Read the feedback, reveal the connection to work and test the thinking in a different situation. These are imagined learning examples.
01 / Home comfort
The thermostat shows 72°F. The room still feels warm.
What you know
The screen shows a number. You noticed how the room feels.
What remains open
The display’s meaning, the room’s actual conditions and the cause of the mismatch are not yet established.
What would be a useful first question?
Does 72°F mean the setting or the measured room temperature?
That distinction matters. You separated what you asked the system to do from what was measured. Next, ask where the reading comes from and what other information could help explain the room conditions.
The equipment must be broken.
That is one possible explanation, but the observation does not establish it. First distinguish the selected setting from an actual measurement. Then consider what evidence could support or rule out different explanations.
I’m not sure what to ask yet.
Start with the mismatch: you expected one condition and noticed another. Ask, “What does this number represent?” You can build a useful investigation one question at a time.
In Cx and controls
Separate a request, an observation and an explanation.
A control command, a status signal and an observed result tell you different things. Learn to identify the point, understand the requirement and look for appropriate evidence before drawing a conclusion.
Try the thinking in a new situation
A meeting room feels warm. A screen shows 72°F, but no one has identified the sensor location. What can you conclude?
Compare your reasoning
You have a reported condition and a displayed value whose meaning is not yet established. Confirm what the value measures and which location it represents. Then compare relevant evidence with the agreed room requirements.
Comfort involves more than one displayed temperature. The example does not diagnose a fault or tell you to adjust equipment.
The package arrived. Did you get what you ordered?
What you know
A package was delivered.
What remains open
Arrival alone does not tell you whether its contents match the order.
What would give you useful evidence?
Compare the contents and condition with the order.
You have a reference to compare against. Check the item, quantity and condition, then record any mismatch clearly. You are distinguishing completion of a step from the result you needed.
The tracking page says “delivered,” so it must be right.
The status tells you about delivery. It does not establish what is inside or whether it meets the order. Ask what that status proves and what still needs checking.
I would tell someone it looks wrong, without checking the order.
Noticing something unusual is useful. Comparing it with the order makes your concern specific: what was expected, what arrived and what is different? That gives the next person something they can act on.
In construction QA/QC
Compare the actual result with a clear requirement.
Quality assurance establishes the process for achieving quality. Quality control checks the work against defined requirements. A useful finding identifies the requirement, the observed difference and the evidence.
Try the thinking in a new situation
A delivery record confirms ten units arrived. The project requires a particular model. Does the delivery count establish that the model requirement was met?
Compare your reasoning
The count addresses quantity. Check the relevant equipment identification against the approved requirement. Keep what is confirmed separate from what is still unverified.
Receiving the correct equipment does not establish that it was correctly installed or that the whole system performs. Different checks answer different questions.
Your phone is plugged in. Will it be ready when you need it?
What you know
The cable is connected.
What remains open
Connection alone does not establish charging, stored charge or how long the phone will last.
What would you want to know before relying on it?
Whether it is charging, its charge level and what I need it to do.
You connected the current condition to the purpose. An indicator, a battery level and the time you need the phone are different pieces of information. Each helps answer a different part of the question.
If the cable fits, the phone is ready.
A fitting connection is only one part of the chain. Ask whether power is reaching the phone and whether the resulting charge is enough for the intended use.
I need to understand what the charging symbol actually tells me.
That is a useful question. An indication of charging does not promise a particular operating duration. Find the meaning of the indicator, then identify the evidence needed for your intended use.
In integration and readiness
Follow the connections and define what “ready” means.
Systems depend on one another. Trace the source, connection, signal and intended result. Define readiness for a particular task using appropriate evidence, rather than relying on a single label.
Try the thinking in a new situation
Two connected systems can exchange data. Have we shown that the data supports the owner’s intended operating decision?
Compare your reasoning
A connection shows only part of the story. Check what the data represents, its mapping, units, timing and required quality. Then consider whether it supports the specific decision.
On a building project, readiness is checked through defined procedures, measurements and responsible roles. Technical training develops those skills.
You followed every recipe step. Did you get the result you wanted?
What you know
The listed steps were completed.
What remains open
Completing the steps does not by itself establish the intended result.
What would help you learn from the result?
Compare the result with the goal and examine what happened.
You are using a process and checking its outcome. If the result differs, review the conditions and your observations before deciding what explains the difference.
Every step is checked off, so the result must be right.
The checklist records the steps. The outcome still needs its own check. That distinction helps you find where the process, the conditions or the expectation needs more attention.
Change several things next time and hope it improves.
It may change the result, but you may not know why. A more useful next question is, “Which explanation can I examine, and what would I expect to see if it were true?”
In Cx planning and learning
Use a process, check the outcome and improve the next attempt.
Checklists, test procedures and recorded results serve different purposes. Follow the agreed process, compare evidence with criteria and make corrections traceable. Revisit what you learned in a different situation.
Try the thinking in a new situation
A startup checklist is complete. Has the team demonstrated every required operating condition?
Compare your reasoning
The checklist supports the checks it actually records. Identify the remaining performance requirements and the verification needed for each. Do not treat one completed record as proof of the entire system.
The analogy is about reasoning. Professional testing requires qualified people, approved procedures and project-specific criteria.
You have a morning routine. What changes when it rains?
What you know
In this example, you plan to leave at 8 a.m. If it is raining, you take a raincoat. Before locking the door, you check for your keys.
What remains open
A list of steps still needs to explain what happens when a condition changes or something needed is missing.
What would make this routine clearer for someone else?
Explain when each step applies and what to do if the keys are missing.
That answer accounts for conditions and exceptions. In this example, pause before locking the door, find the keys and check again. The next action depends on what you find.
Write “get ready, lock the door and leave.”
That gives an order, but it leaves decisions unstated. What changes when it rains? What happens if the keys are missing? A useful sequence makes those decisions clear.
I’m not sure how to turn a routine into a sequence.
Start with one question: “If this happens, what should happen next?” Then ask what must be true before moving on. You can work through one condition at a time.
In controls and sequences of operation
Describe what happens, when it happens and what changes the next step.
A sequence of operation (SOO) describes how a system is intended to behave. It connects operating modes and conditions with required actions. Depending on the system, it also addresses timing, interlocks, alarms and responses to failures. These details make the intended behavior clear enough to implement and test.
Try the thinking in a new situation
A sequence says, “Run the system when the building is occupied.” What would you clarify before preparing a test?
Compare your reasoning
Ask how occupancy is determined, which equipment should operate and what response is expected. Identify the applicable timing, operating modes, interlocks, alarms and failure responses in the approved project documents. Missing requirements need clarification; a tester should not invent them.
An everyday routine introduces the thinking. A technical SOO adds coordinated, project-specific requirements and qualified design and review.
Room to ask. Honest feedback. Another chance to practice.
You can ask a basic question here. If something has not clicked, we can slow down, try another example and work through the missing connection.
I will also tell you when an answer is incomplete, an assumption needs checking or the evidence does not support your conclusion. Then we work on what comes next.
The goal is for you to explain your reasoning, use it in a different situation and recognize when you need help. That takes practice, and the pace will not be the same for everyone.
Marcus Myers · BPV Academy
The examples above use written feedback. Personal coaching is shaped around your prior knowledge, questions, practice and agreed learning goals.
Keep developing the skill
Give your curiosity a useful routine.
Choose one ordinary situation this week. Work through these questions, then explain your reasoning to someone else. Notice where your explanation needs more evidence.
You do not have to discover the cause immediately. A clear next question is progress.
Consider what could support or challenge the explanation.
05
What is my next useful question?
Choose a manageable step, then revisit what you learned.
Turn recognition into a learning path
“I could learn this.” That is a place to begin.
Everyday experience gives you thinking habits to build on. Cx and QA/QC also require technical knowledge, practice, feedback and experience. We can help you identify a starting point and work toward a defined responsibility.
Explore the technical meaning of a sequence of operation
In building controls, a sequence explains the intended behavior of equipment and systems, including how operation changes under defined conditions. The routine above is a teaching analogy; the technical explanation draws on ASHRAE’s public terminology and controls guidance.
