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Stromquist & Company Blog

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6/5/2026 12:47 PM
Summary of the Article below :
In this article you will learn Data centers are demanding more metering and monitoring than ever before. Driven by AI, cloud computing, and sustainability goals, modern facilities rely on advanced instrumentation, real-time data...
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6/2/2026 11:12 AM
Quick Summary of the article below:
In this article you will learn about a blower wheel and an impeller are often the same component, but the terms are used differently depending on the context. In HVAC systems, technicians typically...
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5/12/2026 5:25 PM

This blog breaks down three of the most common pneumatic HVAC controllers—Receiver Controllers, Velocity Controllers, and Reset Volume Controllers—and explains what each one does, where it’s typically used, and how it operates within older pneumatic systems...
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4/28/2026 11:05 PM
IAQ in HVAC stands for Indoor Air Quality.What it meansIndoor Air Quality refers to the condition of the air inside a building—especially as it relates to the health, comfort, and productivity of occupants
Let's dive into...
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4/21/2026 5:26 PM
A bypass valve in a hydronic system is a control valve that allows water to flow around part of the system instead of through it. It is used to maintain proper flow, pressure, and temperature stability when system demand changes...
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4/20/2026 11:13 AM
There’s an important update regarding KMC Controls that may impact your current systems and renewals.

Update: Stromquist will no longer distribute KMC’s DDC controls line, including Conquest, Commander, and KMC software.
If you ever have...
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4/7/2026 8:51 PM
Lead/lag is a control strategy for multiple pieces of similar equipment (pumps, boilers, chillers, RTUs, etc.) where:
One unit is designated “lead” = runs first and carries the base loadAdditional units are “lag” = come on only when neededThe lead...
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4/2/2026 2:23 PM
Many HVAC systems run fine at startup but develop issues later due to poor valve selection. 
This blog highlights how using the wrong valve...especially in control applications like AHUs and reheat coils, can lead to instability, callbacks...
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3/26/2026 2:28 PM
What’s the Difference (and Why It Matters)?If you’ve ever worked with pneumatic controls, you’ve probably come across this question:What’s the difference between a direct acting and reverse acting thermostat?It’s one of the...
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3/10/2026 5:40 PM

A gas meter measures the volume of gas consumed, typically in SCF (standard cubic feet) or SCFH (standard cubic feet per hour).

No matter what gas meter you need Stromquist has your back. 

We...
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3/3/2026 2:26 PM

A gas train (also called a fuel train) is the assembly of piping, valves, and safety devices that safely deliver natural gas to a commercial boiler burner at the correct pressure and flow. 
 ...
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2/25/2026 7:22 AM

This article breaks down the most common gas valves used in commercial boiler systems, including manual shutoff valves, safety shutoff valves, and modulating gas control valves. It explains what each valve does, why it matters, and where it’s...
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2/17/2026 11:06 AM

This blog explains how Limit switches are critical safety devices on commercial boilers and burners. Their job is simple: if something moves outside a safe operating range, they shut the burner down to prevent damage or unsafe conditions....
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2/10/2026 2:39 PM
This blog breaks down the key information needed to properly select or size a pump for HVAC and hydronic systems. From flow rate and head to control strategy, materials, and code requirements, it outlines the critical considerations engineers and contractors...
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2/10/2026 1:36 PM
This blog explains how pumps work in hydronic HVAC systems and breaks down the key information needed to select or size one correctly. From flow and head to control strategies and system design considerations, it covers the fundamentals engineers and...
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1/27/2026 3:39 PM
Term of the Week: Low Water Cut off
What Is a Boiler Low Water Cut off (LWCO)?

A Lower Water Cut-Off (often called LWCO) is a critical safety device on a commercial boiler that prevents...
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1/27/2026 11:19 AM
Term of the Week: AHU
An Air Handling Unit (AHU) is one of the most essential components of modern HVAC systems—often described as the “lungs” of a building because it draws in, filters, conditions, and distributes air...
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1/20/2026 10:23 AM
Term of the Week: T&P Valve
What is a T&P Valve?
T&P stands for Temperature & Pressure Relief valve. A T&P valve is a safety device designed to protect...
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1/13/2026 11:05 AM
Term of the Week: Boiler Relief Valves
What Is a Boiler Relief Valve?

A boiler relief valve is a safety device designed to protect a boiler from over-pressure (and, in some cases, over-temperature). If...
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12/17/2025 9:38 AM
Term of the Week: Pneumatic HVAC systems
Common Failure & Maintenance Points in Pneumatic HVAC Systems
Pneumatic control systems are reliable but only if the compressed air network stays clean, dry, and leak-free. Most issues come...
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12/10/2025 11:10 AM
    Show: "What do we have here?"- Stromquist with Dwyer
“What Do We Have Here?”— Introducing the Dwyer Omega IEF SeriesOn our latest episode of What Do We Have Here?, we sat down with JR Vanegas, Southeast Distribution...
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12/9/2025 4:31 PM
Term of the Week: Pneumatic Control System
What is a Pneumatic Control System?
Pneumatic HVAC controls use compressed air (typically 0-20 psi) as the energy and signaling medium. Instead of electrical voltage or digital communication, these systems...
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12/2/2025 10:56 AM
Industry Term of the week: Pressure Class
What “Pressure Class” Means
It’s a rating system (Class 125, 150, 250, 300, 600, 900, etc.) that defines how much pressure the valve can handle. The rating is based on...
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11/18/2025 7:55 PM
Intro to common protocols in Building Automation Systems
In building automation systems, a protocol is the language used by the HVAC, lighting, and control devices to communicate.? A protocol defines how data is formatted, how devices identify themselves, and...
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11/18/2025 7:34 PM
Your Complete Guide to Honeywell Thermal Solutions: Maxon, Eclipse & Hauck

When it comes to industrial combustion, reliability isn’t optional — it’s essential. That’s why Honeywell Thermal Solutions (HTS) remains one of the most trusted names...
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11/11/2025 2:38 PM
Variable Frequency Drive (VFD)
When it comes to improving energy efficiency and system performance in buildings, Variable Frequency Drives (VFDs) are one of the most effective tools available. But what exactly is a VFD—and why should it matter...
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11/11/2025 7:36 AM
Industry Term of the week: Gas Regulator
A gas regulator controls gas pressure from a higher-pressure source to a safe, usable level for downstream equipment (like boilers, furnaces, and unit heaters).It maintains constant outlet pressure despite fluctuations...
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10/13/2025 3:03 PM
    Show: "What do we have here?"- Stromquist with Belimo
“What Do We Have Here?”— Exploring the Belimo Gas MonitorIn the latest episode of What Do We Have Here?, host Tim Bonner sits down with David Ward, District...
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10/10/2025 2:38 PM
Distech's Cloud platform to make buildings adaptive and intelligent.
Software that makes buildings adaptive + intelligent.With Atrius Facilities, system integrators can:Speed up setup & maintenance of Eclypse hardwareCut programming & update time with remote accessMinimize costly hand...
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10/2/2025 10:43 AM
    Show: "What do we have here?"- Stromquist with Fireye
“What Do We Have Here?”The Very first episode of our New series “What Do We Have Here?” is out on Youtube! This series will be centered around...
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