Air Handler – Dwyer Instruments Blog

Importance of Monitoring IAQ During Wildland Fire Season

Dwyer Instruments — Wed, 14 Jun 2023 14:11:11 +0000

This June has seen record-breaking wildfires in Canada, with many fires still raging across the provinces and territories. The blaze, which has resulted in many individuals being forced from their homes and is expected to continue throughout the 2023 wildland fire season (canada.ca), has also brought with it thick smoke/smog for Canada’s USA neighbors. Cities …

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Series IDPT: Built for Compliance

Dwyer Instruments — Wed, 03 May 2023 21:21:07 +0000

The HVACR industry is evolving to create more energy efficient and sustainable ways to cool our homes and commercial buildings using eco-friendly refrigerants that are less damaging to the environment, but significantly more flammable than their predecessors. The UL standard 60335 aims to balance these greener refrigerants while still maintaining occupancy safety as it applies …

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What is an Air Handler?

Dwyer Instruments — Wed, 22 Mar 2023 14:09:52 +0000

Imagine you sit down at a restaurant on the outdoor patio, and as you’re waiting to order your food, you glance at the large HVAC system on top of the building across the street. Several questions cross your mind: Why do they need such a big system? And what goes into it? Today I want …

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What is Stability and Why is it Important?

Jonathon Jachura — Wed, 13 Jan 2021 15:54:26 +0000

Stability is defined as a change (or lack of change) in accuracy over a period of time. Drift is commonly used as a specification to illustrate the stability, or change in accuracy over a period of time, commonly shown as X%/year where X = a number; i.e. 0.25%/year. In this scenario, a device with a …

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Proving Water Flow in Rooftop Air Handlers

Rich Uschock — Wed, 15 Jan 2020 13:00:24 +0000

We met with an original equipment manufacturer (OEM) last year, who was working on a new design for rooftop air handling equipment. Part of the their design utilized water flow for cooling in a loop. Low or no-flow conditions can cause major damage to expensive pumps, motors, and other equipment, which could result in extensive …

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