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The 35% Rebate that no one is talking about

In case you missed it, effective January 1, 2018, via the Tax Cuts and Jobs Act Section 179, all components of an HVAC system can be expensed immediately instead of being depreciated over 39 years. Qualified applicable property includes heating, ventilation, and air-conditioning property.Previously the maximum deduction was $500,000 depreciated over 39 years. Now the maximum deduction
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HVAC swimming pool design

Did you know that the HVAC equipment for indoor pool applications should not be installed directly above the swimming pool area? Warm moist air, which might contain airborne chemicals like chlorine, could migrate into the system causing operational problems and premature failure. For more information on HVAC swimming pool design, see the attached “Swimming Pool Design Guide”
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How do you select and design a custom coil replacement?

Here is a step-by-step process for replacing a custom coil and A) Making sure it fits and B) Making sure it works.Step #1: Gather the physical coil dimensions (more info will be needed at coil verification measure)Tube size (typical: 3/8″, 1/2″, 5/8″, or 1-1/8″)Number of Rows (1 or 2 rows typical for heating, 3-8 rows typical for cooling)Fins per
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Can you mix R-410a and R-22 equipment?

“Can you install an R-410a condensing unit matched with an R-22 evaporator coil?”We get asked this question often, so we thought it would be helpful to write a post about it. So, if you replace an R-22 condensing unit with an R-410a machine, do you have to replace the evaporator coil?Now for everyone’s FAVORITE answer…maybe.First let’s talk
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How do you fix a humidity problem?

Humidity, the 8th wonder of the world, is a tough nut to crack. Unlike sensible heat transfer, it’s very difficult to measure its movement into buildings through cracks, doorways, and other openings.But, there are ways to combat these higher than expected humidity levels.Here are 11 ways to decrease the relative humidity in your space. The answer could be one of
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How many tons of air conditioning is this DX or Chilled Water coil?

If you are measuring a Direct Expansion (DX) or Chilled Water coil in the field, or just quoting a replacement coil, you can quickly estimate its nominal tonnage based on the square footage of the FIN area of the coil. This is a useful “rule of thumb”, which will help ensure that you have all the
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How much system water per ton of cooling for process chillers?

Did you know that York recommends a MINIMUM of 6 gallons of system water per ton of cooling for process chillers? This is double the amount of water that York recommends for standard air conditioning or comfort cooling applications. See the attached engineering supplement from York for more details!Related Posts:What type of chiller is ideal for
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What’s in a slogan

“Melts in your mouth, not in your hand”“The few, the proud, the Marines”“What happens in Vegas, stays in Vegas”These are just a few memorable slogans that we all know. Why? They are catchy, short, and it allows us to connect with the brand.Having a slogan produces many benefits and companies of all sizes can and
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How to avoid or fix a humidity problem

One of the problems that we run into during the summer months is “Our space humidity is too high”.Or, “We would like to design our space temperature and humidity to be “68 degrees and 45% RH,” for example.The purpose of this post is to help you quickly determine if standard unitary equipment will do the
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Are rooftops a commodity? Maybe.

Are rooftops a commodity?Maybe.But there is a lot to think about when replacing an existing unit, or doing a design/build job.Is quick and easy access important? Maybe we should look at a unit with hinged and toolless access and a slide out blower. Is comfort critical? Maybe we should look at more cooling stages and
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