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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 Purchasing FAQ: Chiller Service, Sensors, and Parts from a Facilities Buyer

A Johnson Controls purchasing FAQ from a commercial facilities buyer: what johnson-controls actually covers, how to request Johnson Controls chiller service, and what to know before replacing a Johnson Controls TE-6311P-1 temperature sensor or ordering related HVAC parts. [...]
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Johnson Controls Thermostat, Air Purifier, Dehumidifier, or Fan: Pick the Fix That Matches the Complaint

A Johnson Controls quality manager explains how to choose between a wireless thermostat, K&N air filter, bladeless fan, and a dehumidifier vs air purifier by starting with the actual comfort problem. [...]
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Johnson Controls T26S-18C Line Voltage Thermostat to Freezer Burn: An HVAC Refrigeration FAQ

A practical FAQ from a facilities manager covering Johnson Controls T26S-18C line voltage thermostats, upright freezers, freezer burn, arctic air coolers, and Johnson Controls refrigeration jobs. [...]
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Johnson Controls HVAC: Four Scenarios for Choosing the Right Equipment

How to choose Johnson Controls HVAC equipment for your facility. A practical field guide covering VAV thermostats, cold storage freezer chests, compressed air dryers, and the heat pump vs furnace decision. [...]
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Johnson Controls VFD Fault Codes and Cooling Tower Repairs: DIY vs. Calling a Pro

Compare DIY and professional fixes for Johnson Controls VFD fault codes, cooling tower issues, and water heater flushing. Plus when to use a DeWalt blower vs. a Shark fan. [...]
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Questions I Get as a Quality Inspector: Johnson Controls, Microsoft Thermostats, and Cooling Fixes in 2025

An HVAC quality inspector answers questions about the Johnson Controls Microsoft thermostat, data center liquid cooling in 2025, tower fans, radiator covers, and resetting a Honeywell thermostat with no button. [...]
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Johnson Controls Digital Thermostat, Freezer Chest, Outdoor Fan, and Air Compressor: Lessons Learned the Hard Way

A facilities manager shares hard-won lessons about Johnson Controls digital thermostats, freezer chest failures, outdoor fan checks, and how to use an air compressor without creating new problems. Includes Johnson Controls supplier portal advice. [...]
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The Hidden Cost of Cheap Cooling: A Server Room, a Bathroom Fan, and a Total-Cost Lesson

An office administrator breaks down why bathroom fans and chillwell portable air coolers are not HVAC solutions, and how Johnson Controls temperature sensors and liquid cooling fit into a total-cost approach. [...]
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One Week, Three Failures: What a Broken Ice Maker, a Johnson Controls Sensor, and a 'Dead' Air Compressor Taught Me

An office administrator recounts the week the breakroom ice maker quit, a Johnson Controls data center cooling HVAC unit threw a sensor fault, and the shop air compressor died — and why the real fixes turned out to be simpler than the service quotes. [...]
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What Is a Garage Ready Freezer? Lessons from a UAE Freezer Controller Order

A Johnson Controls quality manager shares what a garage ready freezer actually means, why the temperature controller and oil pressure sensor matter, and how a UAE distributor order turned into a valuable lesson about quality. [...]
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