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This Is A Custom Widget

This Sliding Bar can be switched on or off in theme options, and can take any widget you throw at it or even fill it with your custom HTML Code. Its perfect for grabbing the attention of your viewers. Choose between 1, 2, 3 or 4 columns, set the background color, widget divider color, activate transparency, a top border or fully disable it on desktop and mobile.

White Papers

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Hot-Gas Reheat, Hot-Gas Bypass, Low Ambient, Modulating Compressors- The rundown

Over the years I have noticed that there is some confusion as to what each are, what they do and when you need them. This article is written to clear things up. To start, the vapor/compression cycle of typical air conditioning is this: Heat transfers from the space to the evaporator coil and refrigerant in [...]

Good, Better, Best of Dehumidification

The Good, Better, Best of Dehumidification It is understood that at any point air will have a specific quality in terms of temperature and humidity. If you look at a psychometric chart, the dry bulb, web bulb and its associated dew point, relative humidity and vapor pressures can be determined. (Feel free to read psychometrics for [...]

Warehouse, Manufacturing and Distribution HVAC Design

Things to Consider While a large open “simple” box may seem simple, there are items to consider to meet the intent and installed budget for this kind of building. Unlike a typical residential or commercial space with 8-12 foot ceilings, it is not uncommon for warehouses to stock product up to 40 feet in the [...]

Psychometrics for the Common Man

Ever wonder why water beads on the side of a cold drink in the summer but not the winter? Ever wonder why its so dry in the winter, even though there is snow on the ground? The reason is “simple” and the science behind it is called psychometrics, and this short paper is to give [...]

How To Remedy A “Cheap” Indoor Pool HVAC System

SUMMARY: Pools require 24/7 Temperature & Humidity Control. In many cases the heating and cooling is okay but the dehumidification is a problem. Using a small dehumidifier may be the best option as opposed to replacing the entire HVAC system. Unlike a space where comfort is the goal, an indoor pool is an environmental application, [...]

Humidification 101

Engineered Air Solutions takes pride in our knowledge and product offering for humidity control. While we have dehumidifiers, this article is about adding humidity. Here are the basics: Canister type:  Probes in a plastic tube will arc and boil water at the probe. Pros: Low first cost, easy maintenance, modulating output, compact footprint Cons: Higher [...]

Getting To Know Refrigeration

As using refrigeration to cool spaces (or heat in the case of a heat pump), the better one understands some of the components, the better we can apply the right piece of equipment for the right application for trouble free operation.   Heat-Pump: Unlike a heating coil, burner, etc, a heat pump is an air [...]

Louver and Damper FAQ

Selecting Louvers and Dampers Many of us have been selecting Louvers and Dampers out of habit without remembering the basics and this little piece is a refresher. The purpose of the Louver is to have an aesthetically pleasing interface to allow air  into (or out of) the building while keeping “non-air out” (ie, birds, bugs, [...]

Formulas and Rules of Thumb

smbh= 1.08 x cfm x delta T ACH (air changes/hr) = cfm x 60 / volume of space converting KW to BTU: 1 KW= 3415 btu= 3.415MBH converting KW/ton to EER: multiply by 12 (so 1kw/ton is a 12 EER) convert EER to KW/Ton: divide by 12 (so 12 EER= 1kw/ton) 400 cfm= 1 ton [...]

Fire and Smoke FAQ

Fire and Smoke Damper FAQ Fire, Smoke and Combination Fire/Smoke dampers (also known as UL dampers) are code enforced items that are required to minimize the hazards of a fire through the HVAC system. As the name suggests, a damper which has been 3rd party tested will be installed in an application to divert or [...]