The Right Tools for the Job
At Basnett Plumbing and Heating, we currently use Wrightsoft for our load calculations, and while it has a bit of a learning curve, it’s indispensable. However, we will eventually be moving toward using Conduit Tech’s tools.
Let’s face it, technology continues to improve and advances are making the load calc process even faster. We like how Conduit’s LIDAR-based tools allow for faster and more highly accurate measurements.
Furthermore, Bluetooth-enabled devices can integrate airflow readings directly into our calculations. And the measureQuick® app helps us verify that the duct system is performing as expected.
Having said that, there are other tools available, like Cool Calc Manual J or Elite Software’s RHVAC. No matter what you choose, the key is using a program that allows for detailed, room-by-room analysis.
Technology is making this process even easier.
Training the Team
At our company, we believe in hands-on training. New sales team members start by observing us doing load calculations, then gradually work up to performing their own.
We begin with whole-house load calculations before moving to a detailed room-by-room analysis.
Formal training is also essential. We’ve attended sessions with industry expert Alex Meaney, who simplifies the process and teaches practical ways to improve efficiency.
Investing in training means fewer mistakes, faster calculations, and greater confidence when presenting options to homeowners.
Using Load Calculations to Educate Homeowners
Speaking of homeowners, one of our biggest challenges is convincing them why they need a properly sized system. Many are conditioned to think that bigger is better. However, the customers begin to understand when we show them third-party data and real-world examples.
For example, we often sit down at the kitchen table and pull up an online search: “Why is a load calculation important?” Seeing independent sources confirm what we say builds trust.
Then, we explain how an oversized system will short cycle, create hot and cold spots in their home, and drive up energy bills. We walk them through why a modulating 60,000 Btu system is better than a single-stage 80,000 Btu system for their specific home.
Customers appreciate transparency. They feel confident in our recommendations when they see the data and understand that we’re not just guessing.
The Service and Installation Connection
Load calculations don’t just help with system selection — they’re critical for proper installation and service. Once we size a system, we use cubic feet per minute (CFM) airflow measurements from our calculations to ensure each room gets the correct CFM.
Installers reference these numbers to size duct trunks and branches correctly. Our service team uses them for air balancing and duct sealing (we use the Aeroseal system), ensuring the system performs as designed.
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