Kristen asked:


I am toying with the idea of building a large structure similar to an indoor horse arena/equestrian facility and would like it to be climate controlled. The builders I am looking at do not offer any sort of HVAC with their structures so I’d have to get it done separately. My question is, can HVAC systems be installed after the structure has been built or must it be “built in” to the structure during the initial construction?

Thanks.

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Amber H asked:


My HVAC control head is broken and the part is available at the dealership for $900, or at the junkyard for $20. The only problem is that I have to pull the part myself, and I dont know what it looks like or how to take it out. I have a Buick Park Avenue, 1995. Someone please help me. I’ve been searching online forever and I can’t find anything useful! HELP!

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Curt Brekke asked:


 

Air conditioning and heating maintenance is largely a matter of economics.

If you manage commercial buildings you know that there are two approaches to HVAC maintenance.  One option is what we refer to as “break and fix”.  The other approach is  “scheduled preventive maintenance” with repairs as needed.

While the scheduled approach is intuitively the way to go, there are other factors, not so readily apparent, that reinforce the validity and economy of this approach.

Deferred maintenance (break and fix) is costly in the following ways.

¨    Increased energy consumption

¨    Repairs are usually more costly because of a “cascading” effect in the system, where a small problem tends to cascade to other system components

¨    Occupant comfort and related productivity

¨    Poor reliability resulting in down time

¨    Premature equipment aging and the accelerated need to replace equipment

We can further elaborate on these factors as follows:

¨    Airborne dust and debris particles accumulate on heat transfer surfaces and air filters.  This reduces air flow and heat transfer capacity, meaning you get less of the desired cooling, heating or ventilation capacity per unit of energy.  This causes the machine to run longer at a lower efficiency rate.

¨    A loose or worn drive belt on the blower can cause the cooling coil to ice over and damage the compressor or over-heat the heat exchanger in winter.  This is an example of the “ounce of prevention” adage and the cascading failure principle.

¨    The effects of poor reliability are quite obvious if you are a building manager.

A maintenance program is relatively low in cost and usually involves four visits per year to perform inspections and maintenance.  A maintenance check list is developed and followed for each specific building and system.

There are examples of 30-year-old equipment which was properly maintained throughout its life and is still operating reliably.



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Terry Edwards asked:


Everyone has issues with heating and cooling their homes. Does anybody remember what spring and fall - those two times of year when you needed neither fan nor heater - feel like? It seems that in recent years, those two perfect seasons have been reduced to a week or two each year. Now most of the time is spent either trying to keep cool or trying to warm up. Is it any wonder that HVAC products have become so popular? Mitsubishi HVAC products, in particular, have been growing steadily in popularity.

Have we as humans lost the ability to adapt? It might seem like it. People are having a harder time adjusting to the climate changes that happen a couple of times a year. Perhaps we are getting wimpier as we are given access to more and more machines that reduce our need to adapt at all. After all, if you have a built in air conditioning system, you don’t need to learn to deal with the heat. You simply stay inside in your climate controlled home/office!

Another reason that the Mitsubishi HVAC products have grown in popularity could be that they have become much more affordable than they used to be. Air conditioning and central air systems used to be things that very few homeowners could afford. Now, the prices are such that almost every family can afford at least some form of heating and cooling system. Mass production of the products allows manufacturers to sell them at lower prices (because the profit is made up in number of units sold).

One thing is for certain: Mitsubishi is an industry leader and their line of HVAC systems are quite popular with families all over the world!



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s.moitra asked:


Hi,

I’m planning to finish my basement and need to understand the minimum distance needed for clearance around my HVAC furnace in the basement, when building a closet to contain it and the water heater.

It will have louvered doors to ensure proper flow of combustible air.

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Heidi asked:


My husband accidentally drilled a small hole through a copper pipe that is for the HVAC unit. When it happened compressed air rushed out of the hole. When we turned off the heat the rushing air stopped. He cut a hole in the drywall and exposed the hole. He decided to duct tape it and we turned the heat back on. It seems to be okay for now.

So, is the duct tape a decent fix? For now? For the long term? What’s it going to take to fix this?

Thanks!

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kurokox asked:


I live in Florida. I passed the PE exam but know very little of HVAC? How do I get started in this field? Do I need to get on an internship to get my years of experience? How do I get picked if I don’t have experience?
Any help is appreciated.
Thanks

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William Hauselburg asked:


There are few industries that can stand up to huge economic decline. HVAC and Refrigeration is one of them. This unique career field is commonly called “Refrigeration and Air Conditioning.” Statistics indicate that HVAC sector is one of the most preferred for the job seekers worldwide. It’s no wonder that HVAC training schools have gained popularity.

With hundreds of HVAC schools in Arizona, getting certified may seem not to be a big deal at all. Unfortunately, all these Arizona HVAC schools are not created equal. Future career opportunities for depend upon which school you pick. It is very important to do your homework and make sure that you choose an HVAC school that will give you the kind of training that employers are really seeking.

There are lots of Refrigeration, heating and cooling schools available in the Scottsdale, Tempe and Mesa areas. As already said, not all the HVAC schools in these areas offer good quality training in the sophisticated technology now available.

A common problem found with most of the HVAC schools is that the classes are conducted by fresh HVAC graduates. Their inexperience in the filed of HVAC technologies are reflected on the candidates getting trained by them. The candidates will not be able to deal- with the complications arising in the sophisticated HVAC technology in the real world. Hence it is very important to choose the HVAC Schools with experienced lecturers.

Apart from the experienced staff, good lab facilities for practical lessons in HVAC systems are essential. Job skills in HVAC and Refrigeration maintenance will grow based on the hands-on practical sessions even more than the theory classes. You should make sure that the HVAC School that you choose has the most advanced systems available for training purposes. Most of the HVAC Schools in the Arizona area will not have such systems for practical sessions as these systems are very costly. Remember the fact that the practical sessions in HVAC training are the level deciding factors in your career.

Some of the best Heating, Cooling and Refrigeration schools of Arizona offer financial aid for the training. Moreover, the placement assistance offered by these schools will help you to get into the very best career as soon as you complete the degree. This way, you don’t have to wait for the best career opportunity to appear. Instead, the best HVAC career be available t you based on the good name of the school you got your degree and certification from.

Though there are lots of air conditioning and refrigeration schools in all parts of Arizona, most of them a not easy to spot and are not easily accessible. Only a few HVAC schools like “Refrigeration School” are easily accessible all parts of Arizona. “Refrigeration School” also has a team of well experienced staff. They provide great financial assistance and an excellent job placement staff. Joining this kind of HVAC school will prepare you to become a the kind of person that employers are really seeking.



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ntccharvester asked:


I’ll be looking to get a job a building maintenance and it will eventually require HVAC certification. I will not be doing HVAC work continually but from time to time will need to work on the systems(residential and commercial tenant units). Will it be possible to study for the test and then take it? What levels of certification are there and what is most likely required for apt. building maint? Is classes required? What is the test like and what can I expect? Is there something online or avail. at the library that would help me get certified?

Your help is greatly appreciated.

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Grey asked:


I have removed every visible bolt from under the hood and under the dash. I have removed the bracket in the middle floor board on the airbag computer. I have detached all lines that run into the hvac housing, but the housing will not move! Are there any on the driver’s side that need removed? Any bolts anywhere? Any help would be greatly appreciated.
The heater core. But, nevermind I found the damn thing hidden behind a plate that mounts the three relays.

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