HVAC

Letters to the editor — July 2014

Here are a few letters we received from readers of Supply House Times.

When we went to do the replacement, we found out the steam generator sent to us was 208 volts instead of 240 volts, which we needed in a residential house. When I contacted the online vendor I was informed that we could not return it because the distributor they had purchased it from would not accept the return.


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Robertson Heating Supply celebrates 80th anniversary

Alliance, Ohio-based Robertson Heating Supply held a recent customer-vendor event.

The invitation-only expo attracted about 775 people.


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Understanding the emergence of micro-channel and micro-groove coils

Design differences.

The premise behind “micro-groove” coil construction is to continue with the standard copper-tube and aluminum fin design we all are so familiar with, but do so with smaller internally enhanced tubes that have thinner walls. This reduces the amount of copper, as well as the cost, size and weight of the coils.


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These books will provide perspective on current events

Literary bonanza.

There’s a lot going on in the world right now and these events are affecting the price of fuel and the type of fuel we’ll be using in the days ahead. That’s going to have an impact on our businesses. Russian oil moves through Ukraine to Europe and this may change by the time you read this.


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Friedrich ductless split systems

Friedrich’s ductless split systems line is ideal for rooms without exterior walls or windows, and comes in single- or multi-zone configurations while servicing up to four independent zones.

Contractors can choose from a selection of models in various capacities to suit their customers’ requirements with single-zone cooling, single-zone heat pumps for cooling and heating, and multi-zone heat pumps.


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American Standard cassette indoor ductless system

American Standard’s 4MXC8 cassette indoor ductless heating and air conditioning system’s versatile fuctions, high-efficiency design and quiet operation help to fulfill a home’s heating and cooling needs.

It offers efficiency up to 16 SEER, mounts in ceiling, features noise-reducing air vents and has a sleep function that automatically adjusts the temperature.


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HeatSpring announces Integrated HVAC Engineering online course in partnership with Supply House Times

Online course will cover “Mastering Comfort, Health and Efficiency”.

10-week online course with Robert Bean: September 22nd - November 28th, 2014.


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TRUaire joins BLUE HAWK co-op

TRUaire announces vendor partnership with BLUE HAWK cooperative.

BLUE HAWK is a leading HVAC distribution cooperative.


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Use these commonsense air-conditioning techniques

System longevity.

Shortly after the magazine came out, I received an email from a reader pointing out the obvious — that obtaining superheat and subcooling readings usually requires the use of both gauges and a thermometer. Yes, this is true. But perhaps I should have gone on to add the following.


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A question to ponder

Do we really need to heat buildings?

The scientist in the TED video proposed a system where tracking heaters (think ray guns) would sense and follow people around a space, heating only them and not the air or objects around them. This made me smile because there is such technology already available.


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Multimedia

Videos

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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.

8/26/14 1:00 pm EST

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

Supply House Times

SHT September 2014 cover

2014 September

Our cover this month features incoming ASA President Rick Fantham, who holds the dual roles of president and CEO of Hajoca Corp., and London, Ontario-based Emco.

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