Tips From The Girls “Which of the Three Little Contractors Are You?”

I am sure everyone is familiar with the story, “The Three Little Pigs.” Although it may be meant for children, it helps teach a very valuable lesson; that hard work and determination pay off. This is especially true in regards to HVAC Systems. Please read our spin on the story, “The Three Little Contractors,” to learn how.

 The Three Little Contractors

 Once upon a time there were three little contractors. Their boss told them to do some research and come up with a solution to pan overflows, dirty drain pans, and algae growth in pans.

 The first little contractor decided to use some handy-dandy tablets. They were cheaper than anything else on the shelf and had a guarantee to stop build up, be long lasting, and prevent overflows. In return, all he would have to do is check the pan every once an a while. This solution was cheaper for him, saving money for other things.

The second little contractor decided to install a float switch in the condensate pan. He figured it was more expensive than tablets, but he wouldn’t have to check the pan as often. He knew the float switch would do the work for him, and automatically shut down the unit if the water reached a certain level. This solution was more costly, but required less work of him and more time to relax.

The third little contractor decided his solution was an EPA-registered, timed-release product called Algae Guard. Algae Guard slowly releases its ingredients, which attach to the dirt, grime, and grease in the pan (instead of just dissolving away). Algae Guard washes the debris down the drain, preventing overflows and keeping the pan free from mold, mildew, and fungus. Additionally, it only had to be placed in the pan every 3 or 6 months, depending on the size of the unit. This solution was a higher quality and a little more expensive, but required less work of him and was proven to be more effective.

Months passed and the boss decided to inspect the contractors work. The boss visited the first contractor’s worksite. The tablets that the contractor had placed in the pan were no where to be seen. The boss was not pleased that he had paid out some money and had nothing to show for it. The pan looked as it had when he last seen it. He told the first contractor that he was very disappointed because no thought had been put into solving the problem, opting with just the cheapest/easiest thing.

Before the boss could get to the second contractor’s site, he had already received several complaint calls. The second contractor’s unit had completely shut down and the business had to send home all of its employees because the building was unbearably hot. The boss then looked at the condensate pan and was even more displeased! While the float switch had done its job, the main problem hadn’t been solved. The mold, mildew and fungus were still in the pan, and now the drain was clogged. He fussed at the second contractor for his sheer laziness and lack of care.

The boss was anxious to see the third contractor’s site. Surely he had come up with a better solution. When the boss arrived he was very pleased. The pan was free from any overflows, and had no mold, mildew or algae in the pan. The boss exclaimed to the third contractor, “How did you manage to solve those issues!?”. The contractor replied, “I simply paid a tiny bit more money and placed this timed-release product in the pan, then it did all the work for me.” The boss was so ecstatic he gave the third contractor a raise for his research, determination, and hard work.

Don’t let the BIG BAD WOLFUNGUS get the best of you. Which contractor will you be?

Kristen Burgess, Client Services Rep., and Shandi Maddox, Marketing Assistant of Controlled Release Technologies, Inc., a research, development and manufacturing firm based in Shelby, North Carolina.  CRT is an IFMA CSP, an EnergyStar Partner and manufacturer of independently-certified Green products for HVAC maintenance. Since 1986, CRT has been creating leading edge HVAC maintenance products that have become industry standards, used in thousands of commercial buildings world-wide. CRT employees are members of BOMA, ASHRAE, ASHE and the American Chemical Society. www.cleanac.com

Product Spotlight: The Sludge from Air Handler #21760

Occasionally, potential clients request CRT’s assistance evaluating their HVAC maintenance needs. One such case occurred a few years ago at a large business facility experiencing a pan overflow.

When initially questioned, the building owner admitted that he had no on-site staff and contracted out all HVAC work “as-needed.” This was glaringly obvious upon entering AHU #21760. If you think this picture is disgusting, you can only imagine the smell. It has been said, if it looks like a duck and sounds like a duck, then it must be one. Well this smelled like the duck had died.

Further questioning revealed that it had been over a year since this unit was last inspected, and at that time tablets had been used to try and control dirt and grime buildup. Now this owner was facing a major overhaul of the unit, including water damage to surrounding structures. All this, just to save a few dollars.

At CRT, we developed our Timed Release Product Line to essentially eliminate leaks, clogs and overflows. By using the following products, condensate pans remain clean and deposit free, protecting buildings from costly water damages and maintenance expenditures.

PanGuard

PanGuard, an independently certified Green Product, is the original, timed-release polymer strip. PanGuard eliminates clogs and overflows due to deposit accumulation in HVAC condensate pans, and is engineered to meet the needs of individually sized units. Once a condensate drip pan has been cleaned, it remains clean for three to six months.

Algae Guard

Algae Guard is an EPA registered, timed-release polymer strip. Algae Guard eliminates clogs and overflows due to mold and fungus accumulation in HVAC condensate pans, and is engineered to meet the needs of individually sized units. Once a condensate drip pan has been cleaned, it remains clean for three to six months.

To learn more feel free to contact us, and please, share your AHU condensate pan horror stories and pictures in the response section below.

Controlled Release Technologies, Inc., a research, development and manufacturing firm based in Shelby, North Carolina.  CRT is an IFMA CSP, EnergyStar Partner and manufacturer of independently-certified Green products for HVAC maintenance. Since 1986, CRT has been creating leading edge HVAC maintenance products that have become industry standards, used in thousands of commercial buildings world-wide. CRT employees are members of BOMA, ASHRAE, ASHE and the American Chemical Society. www.cleanac.com (800) 766-9057.

From the Field: Dirty Sock Syndrome

Okay, it’s that time of year. For much of the U.S., the heating season began about a month and a half ago. Here in North Carolina, and more specifically my household, the heating season has only been around for about three weeks. Now don’t get me wrong, it’s been cold enough at night to run the heat, but during the day we find ourselves turning the AC back on – a common thing in the Southeast.

When the heat pump goes into defrost mode, or the HVAC unit is switched from heating for a brief time, then back to cooling, a condition known as “Dirty Sock Syndrome” can arise.  DSS is described as a musty, moldy, dirty sock odor coming from HVAC systems when they first start into cooling mode. DSS is caused by bacteria that attaches to, and grows on indoor evaporator coils. When the coils cool down and get damp, the bacteria release their gases all at one time into the air causing the unpleasant odor.

Some people have gone as far as to almost sell their homes because they couldn’t get rid of the smell. BUT HAVE NO FEAR! Here is a way for you to eliminate that smell and maintain a clean, healthy environment through a little preventive maintenance.

  1. Clean the coils at the end of the cooling season with Instant Powder Kegs. Cleaning the coils before the heating season will get rid of any contaminants such as dirt, biological buildup and other material.
  2. Sanitize the unit thoroughly. Use EPA-registered Fast Attack, an HVAC system sanitizer specifically designed for HVAC interiors. Iodine based sanitizers are an ideal choice, as iodine’s effectiveness has been well documented. Hospitals have used iodine to sanitize before surgery for the last 150 years for a reason!
  3. Protect the coil from fouling by using Green-Certified First Strike Micro Coat. Transform the coil into a “self-cleaning” coil, one that repels particles and keeps matter from adhering to the surface.
  4. Round off the procedure by adding a timed-release drain pan protectant. This will eliminate clogs and overflows that can occur once the cooling season starts back. Either Green-Certified PanGuard or EPA-Registered Algae Guard will work.

All of these products are safe and easy to use, requiring minimal PPE. By following these simple steps, it will ensure that when you start up your AC at the beginning of the cooling season, you aren’t left saying….“Ewww, THAT SMELL!”

James Brown, Application Specialist of Controlled Release Technologies, Inc., a research, development and manufacturing firm based in Shelby, North Carolina.  CRT is an IFMA CSP, EnergyStar Partner and manufacturer of independently-certified Green products for HVAC maintenance. Since 1986, CRT has been creating leading edge HVAC maintenance products that have become industry standards, used in thousands of commercial buildings world-wide. CRT employees are members of BOMA, ASHRAE, ASHE and the American Chemical Society. www.cleanac.com (800) 766-9057.


Technical Corner: QUESTIONS ON ODOR-PRODUCING, FOULED HVAC DRAIN PANS

A question often asked by  building engineers and  AC service staff concerns running into frequent dirty AC condensate pans. Maintenance staff reason ” I am using the best AC filters economically possible.  I make sure the filters fit tightly (no areas of blow-by) and I change my filters out quarterly without fail.  So with these good filters and my procedures, how can it happen I run into fouled and dirty condensate pans?  What am I doing wrong?”

Most often, there is nothing wrong with your filters or procedures.  You may have to look at another area to take action.

Specifically, tests of air show that the number of course particles in urban air is over one-thousand times LESS than what is called ultra-fine particles.    Even so, this amount of 1/1,000 of the amount of incoming particles accounts for up to  ninety-nine percent (that’s 99%) of the mass of the particles.

Realize that a typical 5-ton air conditioning unit (60,000 BTUs) will pull in around 2,000 cubic feet of air per minute.  Since outside air contains from 500,000 to one million particles, there is an good amount of particles available for contamination.  Since the limit of human visibility is 30 microns, the vast majority of these particles can not be seen.

Accepting that some particle intrusion into the system is unavoidable, keeping condensate pans clean must therefore rely on other methods.

Some vendors state the answer is UV (ultra-violet) lights within the HVAC system.  Many promote that not only will this keep condensate pans clean, but it will help the overall indoor air quality by killing airborne bacteria and fungi.

Both of these statements are not true.   One cannot kill something that is not living in the first place – these small particles for a major example.   Common dirt particles account for the vast majority of incoming particles.  UV light will do absolutely nothing to get rid of these particles, and they continue to build up in the water collection pan.

Secondly, the effectiveness of UV light on killing microbes depends on the energy or watts of the UV lamp, the distance between the light and the microbe particle, and very importantly, the time the UV light is in contact with the microbe Of course, air passing through a cooling coil travels at about 400 feet per minute – microbes within the air do not slow down so they can be effected by UV light.  They pass by readily, and are unaffected.

One solution that always works is to use a timed or controlled-released EPA registered anti-microbial such as our Algae Guard, containing a certified active-ingredient concentration of 32%.   In use for over two decades, Algae Guard is a place and forget solution, lasting up to 6 months without any maintenance intervention.   It is a proven and rewarding solution avoid to odor-laden, biological soup often seen in condensate pans.

 Algae Guard is guaranteed to work.

Lynn Burkhart is the founder and president of Controlled Release Technologies, Inc. located in Shelby, North Carolina. More information about the company, and its products, can be found at http://www.cleanac.com and by calling (800) 766-9057.

Product Spotlight: Airing Out Your Dirty Laundry (Socks)

Practically all items inside of buildings contribute to indoor air quality. Everything from carpeting to office equipment release gases and particles known as volatile organic compounds (VOCs). However, the most referenced cause of indoor air quality concerns by tenant and workforce populations is the HVAC system. These concerns are a result of the strength and frequency of undesirable odors being disseminated by HVAC systems.

Contaminated outside air, bacteria and mold are thought to contribute to many health issues. Unfortunately this is quite common, as the interior of HVAC systems provide the perfect growth environment for spores to become active. Along with providing a dark, temperature-controlled area, HVAC systems remove moisture from the atmosphere providing mold spores with water, and remove dirt and debris providing mold spores with food.

Controlled Release Technologies, Inc. (CRT) has developed the following solutions to help buildings maintain positive indoor air quality, and avoid odor problems originating in the HVAC system. By using these products, air handler units can remain clean and sanitized. Additionally, the time between cleanings and the life of the unit itself can be increased, and the chance of poor indoor air quality can be dramatically decreased.

The Dirty Sox Kit is an annual, three-step application process developed by CRT that rids HVAC air handler units of odors by cleaning, sanitizing and protecting the evaporator coil. It is generally applied in the fall or winter months, and in systems where Dirty Sock Syndrome is thought to be present.

Dirty Sock Syndrome is a term coined by industry experts to describe unidentifiable odors which building occupants equate to the smell of dirty laundry or a gym locker room. Dirty Sock Syndrome is believed to be a result of bacterial growth on HVAC evaporator coils. The problem is generally limited to heat pump systems, but may be noticed in other system interiors.

Dirty Sock Syndrome is prevalent in buildings located in hot, humid climates, where there is a constant supply of moist air exasperating the problem. Because a microbial can grow quite rapidly, the emission of odors increases over time.

Follow these steps when applying Dirty Sox Kit:

  1. Apply Instant Powder Kegs coil cleaner to clean the evaporator coil of deposit buildup.
    Instant Powder Kegs is a concentrated cleaning powder, that is mixed with water at the job site, saving users expensive and unnecessary shipping charges. Instant Powder Kegs removes dirt and odor-producing build up that hinder the efficiency of HVAC systems.
  2. Apply Fast Attack to sanitize the coil, and remove any odor-causing algae, fungus, bacteria or mold.
    Fast Attack is an EPA-registered, concentrated antimicrobial that cleans as it sanitizes. Iodine was chosen as the active ingredient, as its effectiveness is well known and widely used in hospitals and laboratories.
  3. Apply First Strike Micro Coat to the coil surface to protect against future buildup of dirt and contamination.
    First Strike Micro Coat provides a clear molecular barrier (less than one micron), that does not inhibit heat transferability. Because First Strike Micro Coat has been extensively evaluated, it performs without maintenance attention for a year or more. This decreases redundant labor costs and coil cleanings, and keeps coils performing at optimal energy usage.

Controlled Release Technologies, Inc.,is a research, development and manufacturing firm based in Shelby, North Carolina. CRT is an EnergyStar Partner and manufacturer of independently-certified Green products for HVAC maintenance. Since 1986, CRT has been creating leading edge HVAC maintenance products that have become industry standards, used in thousands of commercial buildings world-wide. CRT employees are members of BOMA, ASHRAE, ASHE and the American Chemical Society. www.cleanac.com (800) 766-9057.

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