September 2025

2025 September

Global Warming Potential

John RocheleauSeptember 25, 2025

Hegelean Dialectic. Problem-Reaction-Solution derives from Hegel’s dialectic. In the case of “Global Warming,” the problem is an ever-moving target of bad things created by humans (the low and ... Read More

The Value of an HVAC Career

John RocheleauSeptember 12, 2025

In the image above, I had 58 products of my own creation, all made in New Hampshire and Massachusetts. ... Read More

Where HVAC Problems Originate

John RocheleauSeptember 9, 2025

There are four places where problems with HVAC systems originate: If the HVAC system isn’t properly designed, the system will never run properly. If the HVAC system isn’t ... Read More

Why Air Conditioning is About to Become Way More Expensive

John RocheleauSeptember 5, 2025

With the recent “phase-out” of R410A refrigerant and the incoming R454B, propane-based, highly-flammable refrigerant, owners of R410A air conditioning and heat pump systems are going to experience a ... Read More

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