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Johnson Controls Blog

Practical insights on HVAC controls selection, BMS integration, energy optimization, and industry best practices from our engineering team.

Johnson Controls Chiller Not Cooling? Here’s What a 20-Year Service Pro Does (And What Most People Get Wrong)

A veteran cooling specialist breaks down three common scenarios when your JCI chiller isn't keeping up. No nonsense, just real fixes from field experience. [...]
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The Honest Truth About Johnson Controls Thermostat Set Heat: Why Your Facility Team Needs a Reset

As an admin buyer managing facility equipment for a mid-sized company, I've learned the hard way that setting the heat on a Johnson Controls thermostat isn't intuitive. Here's why you need a process reset—not just a temperature reset. [...]
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I Started Ignoring Listed Prices When Calculating Cooling Costs. Here’s Why My TCO Saved Me $8,400.

A procurement manager's perspective on why total cost of ownership (TCO) beats sticker price for Johnson Controls data center cooling and thermal management systems. Includes a real vendor negotiation story. [...]
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Boiler vs Furnace: Which Heating System is the Right Choice for You?

Not sure whether a boiler or furnace is better for your home or business? We break down the scenarios where each one shines, helping you decide based on your specific situation. [...]
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The Chiller Maintenance Wake-Up Call: Why Skipping Service Costs More Than You Think

An honest look at the hidden costs of deferred chiller maintenance, from a facilities buyer who learned the hard way. Includes real-world examples and practical advice for commercial HVAC managers. [...]
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I Spec'd Johnson Controls HVAC for 7 Years. Here’s What Nobody Tells You About the Refrigerant Leak Detector Decision (And Why Your Neck Fan Won't Save You).

A professional buying guide based on real-world experience, arguing that total system value trumps upfront cost when choosing Johnson Controls HVAC, refrigerant leak detectors, and even accessories like neck fans. Includes specific pitfalls and authoritative references. [...]
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8 HVAC Questions Every Facilities Manager Should Ask (But Probably Doesn't)

A procurement manager answers common HVAC questions about Johnson Controls thermostats, commercial service, AC compressors, infrared heaters, and dehumidifiers, based on 6 years of managing a $180K annual budget. [...]
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Why I Stopped Assuming Hot Water Heaters Are Simple (And You Should Too)

After a costly mistake with a commercial hot water heater installation, I learned the hard way that integrating modern controls is non-negotiable. A first-hand account of what Johnson Controls taught me about system reliability. [...]
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The Johnson Controls Commercial HVAC Quality Gap: What I Check Before Signing Off on a $200K System

A quality manager for a B2B equipment distributor shares the specific specs and red flags they check on every Johnson Controls commercial HVAC system, including outdoor fan units and propane heaters, before accepting delivery. [...]
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Misting Fan vs Infrared Heater: Why Your Freezer Not Freezing Might Be a Johnson Controls Thermostat Issue

A practical comparison of misting fans and infrared heaters for temperature control, plus a troubleshooting guide for when your freezer isn't freezing, informed by a decade of Johnson Controls thermostat manual misadventures. [...]
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