Budzar Industries Interviews HVAC Instructor Joe Lyon of Bates Technical College

At Budzar Industries, we strive to stay up to date on developments within the HVAC industry. To achieve this, we regularly interview industry experts on our blog.

Our next interviewee for our blog series featuring HVAC industry professionals is Joe Lyon of Bates Technical College in Tacoma, Washington. Joe Lyon is an instructor within the heating, ventilation, air conditioning, and refrigeration program and has years of experience working and teaching in the HVAC industry.

In this blog post, Joe Lyon provides his insights on the current state of the HVAC industry, the benefits of pursuing a career in HVAC, and where he believes the field to be heading. Check it out below!

1. How long have you been working in and teaching about the HVAC field, and what led you to it?

I started in the HVAC business in 1975 after I was introduced to the field by my father-in-law. The story is that I jumped into Puget Sound to rescue him and three representatives of a large HVAC distributor. They were floating toward the Pacific Ocean after a rope broke on a float plane. This experience introduced me to the HVAC industry, and I’ve been working in the field ever since.

2. Why do you feel students should pursue HVAC opportunities? What are some of the benefits you see the field offering?

Students enrolled in the HVAC course through Bates Technical College are readily accepted into HVAC unions within the area upon completion of the program. Additionally, graduates start making 55–60 dollars an hour while working in an industry that is always busy and very stable.

3. What’s your favorite course to teach?

Within the 6-quarter program at Bates Technical College, my favorite course to teach is advanced controls.

4. What’s something about the HVAC field that people would find interesting or surprising?

I think many people do not realize all of the different areas one can work in within this field. HVAC career options include working as an AC technician, an HVAC installer, a refrigeration mechanic, a solar technician, and much more. Additionally, a technician can work anywhere in the world in this industry.

5. Where do you see the industry heading? Will the IoT and similar technologies have an impact?

The HVAC industry is only going to grow and expand. The IoT is becoming the most efficient and reliable control systems in use today, and it is only going to increase as efficiency demands become stronger.

6. What advice would you give to those entering the field?

For those entering the field, I recommend starting with a strong basic training course. From there, you can be trained and advance into a more specific area within the industry. Training will always be part of your HVAC career and you can work at whatever level at which you are comfortable.

About Budzar Industries

Budzar is a leading manufacturer of process fluid heat transfer systems located in Willoughby, Ohio. Contact our team of experts for a quote on our reliable equipment.

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Our Interview with HVAC Professor Jim Clyde of Johnson County Community College

As a leader in the process fluid heat transfer industry, we are determined to stay up to date on industry news and developments. To accomplish this, we have an ongoing series on our blog where we interview industry professionals.

For this blog, we interviewed HVAC professor Jim Clyde. Currently, Clyde teaches students enrolled in the HVAC program at Johnson County Community College in Overland Park, Kansas. With over 50 years of experience working and teaching in the field, Clyde offers a unique viewpoint on what it’s like working in the HVAC industry, the current state of the industry, and how he thinks it will change over the next few years.

Check out our interview with Professor Clyde below!

1. How long have you been working in and teaching about the HVAC field, and what led you to it?

Having grown up in a family business within the HVAC industry, I was introduced to the field at a very young age. I started working in the field 54 years ago and started teaching in a vocational school 46 years ago. I had previously taken some classes at the school and was asked to join the faculty when an opening became available. I really enjoy teaching and have continued to do so because of how rewarding it is to see my students learn and prosper.

2. Why do you feel students should pursue HVAC opportunities? What are some of the benefits you see the field offering?

The HVAC industry offers endless opportunities for students and between the continued EPA requirements and industry advancements, there will always be plenty of work to be done. Additionally, the work never gets boring and I think it’s enjoyable to meet and work with customers.

3. What’s your favorite course to teach?

Basic Electrical Systems is probably my favorite course to teach. The students tend to struggle a little at first, but then all of the sudden they get it and you can see their faces light up with pride.

4. What’s something about the HVAC field that people would find interesting or surprising?

The HVAC field is actually pretty scientific and requires a thorough understanding and knowledge of HVAC systems. You don’t just dump in some refrigerant and move on, especially with the constant upgrades in efficiencies.

5. Where do you see the industry heading? Will the IoT and similar technologies have an impact?

I think the industry will continue to grow and become even more complex as systems are pushed for better efficiencies and IAQ grows into a large role within the industry.

6. What advice would you give to those entering the field?

Pick an area of the industry that interests you and learn as much as possible about that field as well as the entire industry.

About Budzar Industries

Located in Willoughby, Ohio, Budzar is a leading manufacturer of process fluid heat transfer systems. Contact us today to learn more about our reliable equipment.

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Air-Cooled Chillers – Answering the What Question

What is an Air-Cooled Chiller?

An Air-Cooled Chiller is basically a refrigeration system that works by transferring the heat energy from fluids.  Air-Cooled Chillers are used in a wide variety of settings and industries including medical, pharmaceutical, chemical, biotechnology, semiconductor, food, construction, plastic, and many others.

What is the operating principle of air-cooled chillers?

Air-Cooled Chillers rely on a condenser, cooled by the ambient air, and fans to move the air over a finned coil to condense the refrigerant.  The heat removed by the air-cooled chillers is then transferred to the surrounding environment.  Frequently this heat is then used to supply heat or warm a space during the winter months which can generate savings.

 

The basic steps of the Air-Cooled Chiller Chilling Cycle are:

Evaporation – In order to chill the fluid, a refrigeration process must first take place which removes the heat from the process and lowers the temperature.  A liquid refrigerant flows over the evaporator tube bundle where evaporation occurs, and vapor appears.

Compression – Once vapor appears, the compressor pulls the vapor from the evaporator and increases the pressure

Condensation –Leaving the compressor, the vapor reaches a condenser where the temperature is increased.  The refrigerant condenses in the condenser tubes and releases its internal heat to the air.

Expansion – The high-pressure liquid moves through the expansion valve and returns to the evaporator where the refrigerant pressure is reduced causing flash evaporation and auto-refrigeration of typically less than half of the liquid.

 

What are the advantages of Air-Cooled Chillers?

There are obvious advantages to using an Air-Cooled Chiller.

1 – There is less water consumption because a water source is not required.  Air-Cooled Chillers do not require a cooling tower.

2 – Easily set-up.  Air-Cooled Chillers are easy to set-up and start-up.

3 – Typically lower start-up costs.  No water treatment costs, lower maintenance costs.  Typically, Air-Cooled Chillers have fewer parts so there is less of a demand for maintenance.

4 – Less function space is required for Air-Cooled Chillers.  A mechanical room is not required, and the chiller may be placed in a parking lot or roof.

Budzar Industries has the capability and experience to design, engineer and manufacture both stationary and portable air-cooled chillers to your exact specifications.

 

What housing is required for Air-Cooled Chillers?

Air-Cooled Chillers are typically located outdoors and can be on the roof, parking lot or at ground level, wherever there is access to a lot of fresh air to reject the heat generated by the process. If the chiller is placed indoors, it is important that there be adequate ventilation.

 

What, Still have questions?

If you still have questions as to whether an Air-Cooled Chiller is the best option for your facility, contact our team today.

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Using Glycol in Your Chiller

7 Important Facts when Using Glycol in Your Chiller!

Using glycol in your chiller may prove to be beneficial.  Glycol reduces the freezing point of process fluid and ensures that it continues to flow at the operating temperature.  Using inhibited glycol in your system will prevent scale and corrosion from forming, algae and bacteria will not grow and metals such as copper, brass, steel cast iron and aluminum are protected.   However, there are some things to know when using glycol in your chiller that if not followed properly, problems may follow.

1. Don’t Use Automotive Grade Anti-Freeze! 

Do not use automotive grade anti-freeze. Automotive glycols are not designed for industrial applications any may foul the heat exchanger and compromise heat transfer.

2. Don’t Mix Glycols!

Do NOT mix different glycol types or brands.  Mixing of glycols can often result in clogged filters or gelling.  If switching glycol, you will need to thoroughly clean the system to remove the current fluid.  Once it is thoroughly flushed, it is perfectly fine to change the type of brand.

3.What is the Difference Between Ethylene and Propylene Glycol?

Glycol comes in two varieties: ethylene glycol (EG) and propylene glycol (PG). Though both materials are bad for living things, ethylene glycol is most often used in industrial applications  and is more economical and propylene glycol becomes more viscous at very cold temperatures and is most often used near food.

4. How will Glycol Affect my Chiller?

Glycol is denser than water and the cooling capacity will be slightly reduced which will in turn increase the pumping power and the fluid temperature will increase.

5. Check Local Regulations.

It’s important to follow all state and local regulations regarding the use and disposal of glycol and antifreeze solutions.

6. Applications and Locations Determine Water/Glycol Mix Percentages

When determining the percentage of water/glycol mix the location and environment of the chiller (indoors vs. outdoors) is the determining factor.  If your chiller will be located indoors with zero (or no) chance of freezing, the percentage of glycol lessens.  If the chiller is located outside with low temperatures the percentage of glycol will be greater.  Applications that have a very low operating temperature(below 20°F) should use a glycol mixture that is similar to an outdoor system.

The location of the chiller and environmental concerns must be taken into account when selecting the proper mixture of glycol and water for the chiller process. A process located completely indoors, with no chance of freezing, will require less glycol than a system located outdoors where low temperatures can cause the fluid to freeze and piping to burst. Applications with a very low operating temperature (below 20ᵒ F) should use a glycol mixture equivalent to an outdoor system.

7. Fluid Maintenance and Filtration.

The secret to extending the life of your chiller and reducing costly down-time is utilizing a fluid filter and performing fluid maintenance.  Keep the process water and correct glycol mix maintained along with filtering dirt out of the system will prove to be the necessary steps to receiving years of service from your chiller.

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Become Energy-Efficient with Budzar Industries

In honor of Cut Your Energy Costs Day on January 10th, we’re taking a look at ways you can save energy.  The average U.S. household will spend about $2,100 on home energy per year and the average American family uses 300 gallons of water per day.  Americans have a large carbon footprint, but there are ways we can reduce our impact:

WATER:

Are you aware of how much water you use, both inside and outside your home? If you frequently water your lawn, consider planting flowers, which require less water than grass.  Make pathways out of gravel or build a concrete patio so you have less grass to water.  Take shorter showers and use energy-efficient showerheads which can save water.  Use low-flow faucets which use less water.  Consider turning down the thermostat on your water heater or using cold water to wash your hands.  Wash your clothes in cold water; many washers and detergents nowadays are specifically made for cold water.

INSULATION:

Do you ever feel drafts in your house? Check your windows and exterior doors for air leaks.  Apply caulk or weather strips to seal the leaks.  Consider replacing your single-pane windows with double-pane windows.  Close blinds, curtains, or shutters in the summer to keep out the sun and keep your house cool, and open them in the winter to bring in sunlight and warm up the house naturally.  Check to make sure your attic, walls, floors, basement, and crawlspaces are properly insulated.  Ductwork should be inspected, as heated and cooled air can be wasted if the ducts aren’t properly sealed and insulated.

ELECTRICITY:

Do you use a lot of electricity? Power down appliances and electronics when not in use and turn off lights before leaving the house.  Switch your lightbulbs to LEDs, which use far less electricity and last much longer than traditional lightbulbs.  Buy a “smart” power strip, which turns off electronics when not in use.  Consider purchasing new appliances which are more energy-efficient; look for ones that have the EPA’s “Energy Star” seal of approval.  Take advantage of your washer’s high spin cycle to help decrease the amount of time your wet clothes spend in the dryer.  Consider purchasing cotton waffle weave towels instead of fluffy towels, since the waffle weave dries quicker.  Use a programmable thermostat to lower your heating and air-conditioning bills and change your furnace and A/C filters frequently.  Set your thermostat high in the summer and low in the winter to further save money.

DRIVING:

Do you drive a lot? Don’t speed, as higher speeds burn more fuel and cost you more at the pump.  Did you know that online shopping could reduce energy-consumption and carbon-dioxide emissions by 35%? When you’re not driving from store to store, you can save gas and money by purchasing online instead.  Walk or ride your bicycle to close destinations.  If your commute requires driving, try carpooling with co-workers.

At Budzar, we provide energy-efficient units, such as our water-cooled chillers and natural refrigerant chillers.  For more information, check out our websites: https://www.budzar.com/water-cooled-chillers/ and https://www.budzar.com/natural-refrigerant-chillers/

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