FEATURED ARTICLE
NEW NAME? ERV Principles & Products
Energy Recovery Ventilation (ERV) systems play a crucial role in modern HVAC design. They improve indoor air quality, reduce HVAC loads, and enhance overall comfort—while meeting today’s more demanding ventilation codes and efficiency standards. Whether you’re a...
Siemens POL224 Controller — Essentials for HVAC Economizers
Modern HVAC ventilation and economizer strategies require smarter, more connected controls. The Siemens POL224 (also marketed as Climatix ECO) controller is one of the advanced options on the market—offering improved diagnostics, network communication, flexible I/O,...
Adjustable Pitch Roof Curb – A Complete Guide!
Adjustable pitch roof curbs are a variation of Knockdown Curbs that can be customized during installation to suit a roof pitched up to 1” in 12” in ANY direction. There are many situations in which an adjustable pitch roof curb is preferable to a fixed pitch curb… Read Why!
How Does an Air Conditioner & Heat Pump Work? – Basic HVAC Tutorial
The Simplistic Definition of an Air Conditioner… An A/C system removes heat from inside your home, and transfers it outside. This article is intended to explain the most basic functionality and operation of an Air Conditioner System and Heat Pump.
How to Measure for a Curb Adapter
You’re on the roof to replace the Rooftop Unit (RTU). The unit nameplate is so worn you can’t decipher the model number, even yet the brand or manufacturer. It is never practical to break the integrity of the existing roof to remove the existing Curb. Therefore, you must measure the existing curb and order a Curb Adapter.
