condensers

Condensing Unit Too Close to House | HVAC Basics

Condensing Unit Too Close to House This condensing unit was too close to the house to effectively reject heat. It was a bad HVAC condensing unit installation job by the HVAC installers. A mechanical inspector rejected the final for the permit until the condensing unit was correctly installed. It is recommended that condensing units have […]

How to Save Energy: Methods of Saving Energy Google PowerMeter

How to Save Energy:  Methods of Saving Energy Google PowerMeter (Google Power Meter was discontinued in 2012 but there are still good methods of saving energy in this article) Google PowerMeter has been discontinued but there are other options available to you to track your power use. This article is archived. With the ever increasing […]

DX CRAC Unit Condensers | Critical Facility HVAC

DX CRAC Unit Condensers | Critical Facility HVAC DX CRAC Unit Condensers | Critical Facility HVAC – Most data centers do not utilize HVAC DX (Direct Expansion) CRAC units or air conditioning but instead use chilled water systems to provide cooling for the data center. In smaller buildings such as remote telecom buildings DX air […]

HVAC Green Technology | Heating and Cooling

HVAC Green Technology | Heating and Cooling First of all we need to define Green Technology before we compare it to HVAC and how the HVAC industry is working to make equipment and designs green technology friendly. Green Technology uses evolving technology to utilize methods and materials to develop techniques that are friendly or friendlier […]

Helping Your Air Conditioner – Beating the Heat

Helping Your Air Conditioner – Beating the Heat The new house you just bought is not so cool and the air conditioner seems to run all the time. You begin to worry that maybe something is wrong with the air conditioner. You tolerate it for a while until your spouse broaches the subject a few […]

Trane Chilled Water Systems – Multi-Zone Air Conditioning Systems

This Trane HVAC chiller serves four different apartments. Chilled water systems offer a great way for multi-zone air conditioning. From small apartment buildings to large commercial buildings chilled water systems can serve multi-zone air conditioning systems. From one air conditioning zone to hundred the only limitation is the size of the chiller. If the air […]

Efficiency Factors for Condensing Units | HVAC Refrigeration

Efficiency Factors for Condensing Units New HVAC Condensers Compressor Technology For years compressors inside the condensing unit were sized to meet the highest load demand for whatever application they were serving. Even today, many compressors, located inside the condensing unit are sized in accordance with there highest load demand even though it is unlikely they […]

Dual Two-Stage Split System with a Dual Slab Coil

High Performance HVAC Air Conditioning & Heating: Ask the HVAC Man? Dual Two-Stage Split System with a Dual Slab Coil. Huh? Richard Very nice site! Dual Two-Stage Split System – I have a question; my home was fitted out by the previous owner with a twinned system, and a thermostat (Totaline P374-1900) which was not […]

York Variable Frequency Drives VFDs | HVAC Control

York Variable Frequency Drives VFDs | HVAC Control York Variable Frequency Drives VFDs | HVAC Control – Variable Frequency Drives or VFD’s have added a whole new dimension to energy efficiency and control. These drives, or VFD’s, are hooked up to two different York VAV air handlers that have two three phase motors a piece. Each […]

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