Summertime is officially upon us—in other words, air conditioners will soon be our best friend for the next several months. But what exactly led to air conditioning even coming into our lives in the first place? Following the invention of the first A/C systems, air conditioners have evolved from a luxury to a necessity for most, as many households in Canada have air conditioning. However, it took a long time before reaching its status of ubiquity.

Here’s a look at how modern air conditioning has grown over time, and how it continues to make the hot, sticky summer weather just a little bit more bearable.

Developments Prior to the 20th Century
It can be argued that ancient Egypt set the groundwork for air conditioning to follow, as it would be common to hang reeds in windows and have water trickle down to moisten them, thus leading to cool air as the water evaporated. Similar attempts to stay cool would also be made in ancient Rome, where members of the upper class population used the aqueduct system to have cool water run through their homes. In fact, the emperor Elagabalus built a mountain of snow in a nearby garden as a means of staying cool during the summer months—though the results were a letdown.

Were it not for Willis Carrier, who knows how we’d be protecting ourselves from the extreme heat

Willis Carrier’s Game-Changing Invention
Although American engineers and scientists would attempt to further developments in air conditioning technology in the late 19th century (including John Gorrie’s attempt in 1842 to make an ice-creating machine to cool hospital rooms), Nikola Tesla’s invention of alternating current induction motors would really help move the process forward, leading to oscillating fans being invented as the 20th century got underway. However, in July 1902, a 25-year-old Buffalo native by the name of Willis Carrier introduced the first mechanical air conditioner.

Initially meant as a means of keeping moist air within the printing plant where Carrier was working at the time, the machine was built to control both humidity and the temperature of a room. Carrier, an engineer who considered himself the Thomas Edison of air conditioning, would found the Carrier Corporation 13 years later—a company that continues to manufacture and sell HVAC (heating, ventilating, and air conditioning) systems in 170 countries to this day. In 1922, he’d take his invention even further by introducing the centrifugal chiller, which would be introduced to the public three years later. While HVAC college was still a long way off, these developments set the groundwork for the field and what was to come.

Technology in HVAC continues to evolve over time

Growing Pains Before Widespread Use, as well as What the Future Holds for HVAC Careers
Though A/C units seem incredibly universal nowadays, it took a long time for them to get there. Even in the late 1930s, window air conditioners were too expensive for the average person. Air conditioning would be first experienced by many in those days at movie theatres, since machines would cost between $10,000 and $50,000. As the late 1960s rolled around, window air conditioners had become more affordable, and many newer households in the United States had central A/C.

Today, close to 60 per cent of Canadian households have air conditioning, with a demand for A/C units across the world being equally high. In fact, demand continues to climb! In other words, your opportunity to pursue an HVAC career won’t be going away anytime soon.

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Few components of a home’s HVAC system are put through as much work as the bathroom exhaust fan is. These fans are needed to remove moisture and chemical fumes, both of which tend to be more common in bathrooms than in other rooms.

Despite its importance, most homeowners only take notice of their bathroom fan once something is wrong with it. At that point a quick 5-minute shower can leave the bathroom looking like a steam room! To help avoid that and other uncomfortable situations, here are a few of the benefits of routine bathroom fan maintenance to keep in mind during your HVAC career.

1. Without a Properly Working Bathroom Fan Homeowners Are at Risk of Mold Exposure

When the fan isn’t working properly, then moisture isn’t being removed from the bathroom. Because the bathroom tends to be one of the smallest rooms in the house, moisture released into the air when the shower is turned on becomes trapped and settles on the walls. From there it begins to attract mold very quickly. Some mold is toxic and even some non-toxic mold can cause asthma attacks, allergic reactions, nausea, headaches, and rashes in some people.

Routine maintenance of a bathroom fan is one of the best ways of reducing the risk of mold in a bathroom. Even if the fan is working, dust buildup can cause it to run slowly and less efficiently. By simply inspecting and maintaining a bathroom fan regularly, homeowners can rest assured that their bathroom is safe from mold.

Routine bathroom fan maintenance can prevent mold from building up

2. Pros with an HVAC Career Know Bathroom Fans Improve the Airflow of the Entire House

The fan doesn’t just remove moisture and chemicals from the bathroom; it also removes them from the entire home. To do that, however, the entire exhaust system, such as the ductwork and outlets, must also be working. If there is a leak in the ducts, for example, then the fan may not actually be removing moisture and chemicals from the home.

Instead, they could be leaking into hidden areas of the house, such as in the attic or between floors, where they could cause moisture buildup. As stated above, moisture buildup can lead to mold, but in this case the mold may be hidden and undetectable until it has become a major problem. After HVAC school, you can help homeowners detect these hidden risks by performing routine inspections of a bathroom and home’s entire HVAC system.

HVAC maintenance can help detect hidden problems with a bathroom fan

3. A Problem with a Bathroom Fan Can Make Bathrooms Unpleasant Places

Beyond improving health and safety, bathroom fans also increase the overall comfort of the home. If a bathroom fan isn’t working properly, it can make the bathroom uncomfortable to use. For example, a faulty bathroom fan can cause excessive heat, humidity, and odors that can quickly make the bathroom the least pleasant room in the house.

Another problem that you may encounter in your HVAC career is a bathroom fan that is excessively noisy. This is often the result of poor installation or lack of maintenance. The noise is not only irritating for homeowners, but it can also lead them to stop using the bathroom fan entirely, which in turn can mean that moisture and chemicals are not being safely removed from the house.

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HVAC school can put you on a number of different career paths. Two of the most popular are as an HVAC installer and an HVAC technician (sometimes called a maintenance technician or service technician). While there is plenty of overlap between what installers and technicians do, they also have some differences.

There are advantages to being either an installer or a technician, so whichever path you choose will come with plenty of perks. To find out whether you’re more suited to a career as an installer or a technician, here’s a closer look at the differences between the two.

The Main Difference Between HVAC Installers and Technicians Is Maintenance

The main difference between HVAC installers and HVAC technicians is a little obvious from their job titles. HVAC installers are primarily responsible for installing new HVAC systems, while HVAC technicians focus more on maintaining and repairing existing HVAC systems. Of course, both technicians and installers need to have a good understanding of how HVAC systems work and many of their job duties overlap.

Because HVAC installers install HVAC systems, they also tend to be more involved in the construction industry than technicians are. When a new home or business is being built, it needs an HVAC installer to come in and set up an HVAC system for it. HVAC technicians, on the other hand, are more likely to work with home and business owners who already have an HVAC system, but one that needs repairs or maintenance.

HVAC installers often find plenty of work in the construction industry

There Are Advantages to Being Either an HVAC Technician or Installer

Both installers and technicians enjoy unique advantages and neither HVAC career is necessarily better than the other. Installers tend to be more in demand when the economy is booming, as this is when new buildings are being constructed and people have more income to afford new or upgraded HVAC systems. During economic downturns, meanwhile, HVAC technicians are in demand since people will often be holding off on replacing older HVAC systems, which are more likely to break down and require repairs.

The hours that HVAC technicians and installers keep also tend to differ. Because technicians are servicing homes and businesses, their schedules often have to accommodate those of their clients. In many cases, HVAC technicians need to work on-call, especially given that some HVAC repairs, such as for restaurants or nursing homes, may need to be urgently fixed. HVAC installers, on the other hand, are typically more able to set their own appointment schedules. The payoff to being on-call is that demand for technicians tends to be more stable no matter the time of year or economy.

Technicians and installers may have different work schedules depending on their customers

HVAC School Can Prepare You to Work as Both an Installer and a Technician

If you’re still having trouble deciding which career path you should choose, the good news is that you can actually do both. Your HVAC training will prepare you to become both an installer and a technician. Many HVAC technicians also work as installers, so they can easily find work no matter what the economy looks like. In fact, sometimes the title HVAC technician refers to a person who does both installation and maintenance work.

Of course, if you prefer installation over maintenance or vice versa, then you are free to specialize in one area rather than doing both. HVAC installers and technicians are both in high demand and they are well compensated, so focusing on the part of the industry you enjoy the most is more than possible.

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Are you considering a career as an HVAC technician? If so, you’re making a great choice, since the field is in demand and offers excellent room for growth!

You may be wondering what makes a good HVAC technician. Are there specific personality traits or any other qualities that professionals working in this trade have in common? Do you have what it takes to succeed in this type of career? While no two HVAC technicians are the same, there are a few core traits and values that can certainly set you up for success. Read on for 3 signs that could indicate you’re the right fit for an HVAC career.

1. Those in Pursuit of HVAC Careers Value a Job That Keeps Them Moving

HVAC technicians often move around a lot as they go from one scheduled appointment to the next. This means you’ll get to work in a variety of settings and no two days will ever be alike. So if the idea of sitting in an office all day and working on a computer doesn’t appeal to you, then an HVAC career may be a much better choice.

If you work in residential HVAC, for example, your workday will often consist of going from one house to another helping homeowners install and fix their HVAC systems. You may also spend quite a bit of time outside, which is another aspect of the job that many HVAC technicians find appealing. While some commercial and industrial HVAC technicians work at just one site, many still have to travel around a lot from business to business. Even the ones who do work at a single site are constantly tackling new challenges that arise every day.

HVAC technicians are always on their feet and work in diverse settings

2. HVAC Technicians Enjoy Solving Problems with Their Hands

HVAC technicians are practical, hands-on problem solvers. If there’s an issue that needs to be fixed, they’d rather find the solution by rolling up their sleeves instead of reading about it in a book. So, if you’re the type of person who likes to get their hands dirty in order to overcome a challenge, then this job is for you.

You can get a sense of this hands-on problem solving approach in HVAC school, where courses tend to be focused on helping you develop the skills you’ll actually use on the job. While there are some classroom components, your training will be focused on practical skills that can be applied in the real world.

3. HVAC Technicians Value Being Punctual and Reliable

If you’re the type of person who shows up on time for appointments and you place a lot of value on being reliable, then you already have some of the traits that can help you succeed in an HVAC career. For many people, an HVAC problem is inconvenient and uncomfortable, especially when the weather is either very hot or cold. They want to know that their HVAC technician is going to be punctual and help them get their HVAC system up and running again.

HVAC technicians are expected to be reliable and to show up on time for appointments

In some situations, there’s a lot more at stake to showing up on time to an HVAC repair than just convenience. Many facilities need functioning HVAC systems for health and safety reasons. A nursing home, for example, needs its HVAC system working well during extreme weather conditions to ensure its vulnerable residents are kept safe. For places like hospitals, restaurants, and manufacturing plants, proper ventilation is likewise essential. Since your customers place a very high value on making sure their HVAC system works well, they will greatly appreciate it if you are punctual and reliable.

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While professionals who have completed HVAC training have specialized knowledge of HVAC systems, the skills and capabilities they develop during their course are also easily transferrable to many other lines of work.

Curious about what kinds of opportunities could be out there for you? Here are a few of the interesting career paths that you might want to consider after you graduate.

After HVAC Training, You Can Train as a Pipe Fitter

Pipe fitters work with piping systems, typically in industrial settings. Their skills are usually put to use for installation, maintenance, and repair purposes, often for the large heating and cooling systems employed by commercial buildings or facilities. The Canadian Job Bank says that employment outlook for this career between now and 2019 is “Fair,” with a number of positions likely to open up as established professionals retire.

Working in this field is a bit like specializing in a very particular part of the heating and cooling world, as your skills are applied exclusively to large-scale systems. Since HVAC work often entails dealing with pipes on a smaller scale, the skills built in HVAC training transfer quite naturally to this role. If you like the idea of working with intricate piping and maintaining large systems, you may want to take on a pipe fitter apprenticeship after graduating.

HVAC Technician Training Can Open up a Path to Plumbing Work

Speaking of pipes, it’s not uncommon for HVAC technician program graduates to go on to a plumbing apprenticeship. A plumbing career largely involves standard work like unclogging drains or pipes, but can also include putting new plumbing systems together when a building is being renovated or constructed. The Canadian Job Bank says that employment outlook for this career is also “Fair,” with employment growth expected over the next couple of years.

As with many trades, going on to become a plumber requires that professionals complete an apprenticeship to get a better handle on the practical work involved in the profession. Graduating from an HVAC program at a college like North American Trade Schools could give you an edge in this regard, as much of your time in class will involve hands-on training with real tools and equipment that you might encounter in your future career.

You can get a head start on your hands-on skills by taking HVAC training courses

Sheet Metal Mechanic Work Is Also Available to HVAC Graduates

Sheet metal is used in the HVAC trade for building, maintaining, and repairing ducts, ventilation works, and other similar systems, so students spend a part of their education learning to work with this important material.

Sheet metal, of course, is also used for a number of other kinds of projects, such as for putting together buildings or vehicles. By learning how to work with sheet metal in HVAC technician training, you can develop the skills to work as a sheet metal mechanic on other kinds of projects, too. There’s a lot of potential for diverse and interesting projects in this line of work! The Canadian Job Bank rates the outlook for this career, too, as “Fair” over the coming years.

One More Great Option: Become an HVAC Technician!

Of course, a career working with HVAC systems is also a great option! The Canadian Job Bank rates the career outlook for HVAC work as “Good,” its highest rating. Many new jobs are expected to be created and a number of established professionals are likely to retire over the coming years, presenting a wealth of opportunity for newcomers.

The job is also, quite legitimately, a chance to do some good in the world. For one thing, temperature regulation is very important to people’s emotional wellbeing at home and in the workplace. For another, with elderly or otherwise vulnerable individuals, maintaining the right temperature can be something necessary for maintaining good health. An HVAC professional is the one who does the installation, maintenance, and repair work that allows an HVAC system to keep everyone happy and safe.

Sound interesting? With HVAC training taking under a year to complete, there’s no reason to delay! By this time next year, you could be enjoying a great new career doing work that matters.

You can quickly take on meaningful HVAC work by completing a training program

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Much of Canada experiences long cold winters and hot, sweltering summers, which is why local homes and businesses tend to use a lot of energy in order to stay warm or cool. All that energy consumption is expensive and can often have a negative impact on the environment. In response, many Canadians have recently begun investing in green HVAC technologies.

Once you begin your career as an HVAC technician, you are likely to come across a number of these exciting new technologies. Familiarizing yourself with more efficient technologies could help you land more work after you graduate from your program and enter the workforce.

Read on to learn about some of the ground-breaking technologies you may work with during your career.

1. The Internet of Things Meets HVAC: Smart Thermostats

Smart thermostats allow homeowners to monitor and control their home’s heating and cooling right from their smartphones and tablets. That gives them the power to reduce their energy consumption when they aren’t home. After completing your HVAC technician training, you’ll be equipped with the skills and technical know-how to install different types of thermostats, ensuring you’re fully prepared when clients hire you to install their smart thermostats.

North American Trade Schools will prepare you to install many different types of thermostats

2. Using the Earth’s Natural HVAC System: Geothermal Heat Pumps

Geothermal heat pumps have actually been around since the 1940s and they have long been popular in Northern Europe, however, in Canada, they are less common. Heat pumps use the natural heat within the Earth to keep homes warm and they may be used as either a standalone or a complementary heating system. Thanks to recent Ontario government incentives, you can expect to see and work with geothermal heat pumps in homes after HVAC school.

3. Green HVAC Meets Luxury: Radiant Floor Heating

Radiant floor heating has been around for quite some time, but it has recently grown more common in North America. While luxury items are often associated with having negative effects on the environment, this is not the case where heated floors are concerned. In fact, this luxurious heating system is actually quite energy efficient. Because the heated floor has a larger surface area than a wall radiator, for instance, it generates heat more evenly, and will make a room feel warmer when it is at a lower temperature because of this. Whereas with a radiator, there may be areas of a room that are still cool even when the temperature is set higher.

Once you graduate from NATS, you may be hired to install energy-efficient heated floors for clients

4. The Future of HVAC Technician Training: DeVAP Air Conditioning

You may not see this air conditioning system in homes or businesses for a long while, because it is not yet commercially available, but perhaps you’ll work with DeVAP air conditioning someday. Developed by US government researchers, this revolutionary technology combines the forces of evaporation and dehumidification and could end up cutting energy consumption of traditional air conditioners by a whopping 90%! Once these air conditioners become more widely available, expect them to completely change the way homes and offices are kept cool.

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As the days get shorter and temperatures begin to drop, it’s important for people to get their homes ready for the colder seasons. There’s more to do than just pile on the blankets, switch off the air conditioning and crank up the thermostat, though. Proper preparation means ensuring that a home’s heating system is in good working order for the long winter ahead, and that it won’t be wasting energy, which can result in soaring bills over the winter months.

HVAC school teaches aspiring technicians to spot any of the potential problems that can result in a poorly functioning or wasteful home heating system. If you’re considering, or already pursuing, HVAC technician training, here’s some advice you might soon be giving to clients for getting a home fall and winter ready.

HVAC Experts Advise Clients to Change their Air Filters Regularly

As air flows out from a unit, the air filter removes small particles like dust and dirt, which would otherwise circulate and be breathed in by occupants. However, over time these small particles can build up and block the filter. When this happens, the unit has to work much harder to keep a home warm. Air quality suffers and heating costs go up.

Once you’ve earned your diploma, you might recommend that clients replace their air filters every one to three months. Heading into winter, it’s particularly important they make sure that the unit is running with a clean, new filter.

Thermostats Should Be Measured Against a Separate Thermometer

HVAC training will teach you that the thermostat is the control centre of a heating system making sure that the heat turns on and off as intended and that the home is kept at the desired temperature. For this reason, it’s important for clients to know if it’s in good working condition before the weather gets too cold.

You might test the thermostat by setting the temperature at least ten degrees higher than the temperature of the room. This should cause the heat to turn on. After about fifteen minutes, a standard thermometer should be used to test the temperature of the room and compare it to the readout on the thermometer. When the numbers don’t match up, there’s a problem.

Check the thermostat against a separate reading to make sure it’s working

Professionals with HVAC Training Know the Importance of Weatherstripping

Even if an HVAC system is in good working order, problems can still arise if hot air isn’t being kept in and cold air isn’t been kept out. If the weatherstripping around a home’s doors and windows isn’t in good shape, then the unit has to work much harder to keep the air inside at the set temperature. After graduating from HVAC school, you’ll know that in the short term, this can increase heating costs significantly, and in the long term, it can wear down the unit. This can be avoided by checking all the seals around a home’s doors and windows ahead of time, as well as inspecting the home for any other gaps or holes.

Clients Should Make Sure Units Won’t Be Damaged By Falling Branches

You don’t need to advise clients to cover their outdoor HVAC unit in the winter, as it’s built to withstand outdoor conditions, but you should advise them to regularly check it for leaves, dirt, or other build-up.

Branches weighed down by snow can also snap and fall, potentially damaging an HVAC unit underneath. Clear any branches directly above the unit and inspect the surrounding area for other such risks.

Heavy snow can cause tree branches to snap and fall, sometimes damaging HVAC units

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Look in the van or garage of any tradesperson and you’re likely to find a vast array of equipment, bolts, wiring, and other raw materials. While this doesn’t build up overnight, some tools are much more important than others, and there are certain essential pieces you will need to carry out a routine diagnosis of problems and simple repairs once you finish HVAC training.

All the items mentioned below will serve you well throughout your career, so try to avoid penny-pinching when you’re in the trade shop. With proper maintenance, these tools will last for years, and quickly end up paying for themselves. Here are five pieces of equipment you shouldn’t be without during routine HVAC tasks.

A Reliable Power Drill is an Asset in Most Routine Repairs

Proper diagnosis of HVAC problems will require the removal of unit covers, so make sure you have a power drill to remove any screws. It will also be needed to secure new HVAC systems in position, so this is a tool that will have many daily uses.

Get a drill that has at least one rechargeable battery, so that it will keep going for as long as possible in a working day. Professionals with an HVAC diploma recommend finding a light, cordless drill with a minimum of 18 volts, so that you can efficiently carry out routine repair tasks.

Using Refrigeration Gauges After HVAC Training

This is one of the more unique trade tools possessed by HVAC technicians. Refrigeration gauges measure the pressure of liquids and gases in a cooling system, and are a very important piece of equipment in this field.

Refrigeration gauges are essential pieces of HVAC equipment

The gauges are connected to a brass manifold to which hoses can then be attached. It’s essential to have R-143a and R12 manifolds to diagnose and repair modern systems. The gauges are normally read using an old-fashioned needle, but digital readouts are becoming increasingly popular.

Test Electrical Power with a Multi-meter

Most heating, ventilation or air conditioning systems require electrical components to function, and this is often what necessitates the visit of an HVAC technician. A multi-meter is crucial for diagnosing electrical problems because it can measure voltage, current and resistance levels. It’s therefore a simple tool for assessing whether there’s a weakness in the system. An electrical sensor isn’t as useful as a multi-meter, but is also a handy tool for spotting whether electricity is present.

Make Easy Work of Metal Cutting with these Tools

HVAC training exposes students to different forms of metalworking, and there are some important tools needed for these jobs. Tin snips cut metal, and technicians need ‘left’, ‘right’ and ‘straight’ versions to cut in different directions. Shears are less precise, but excellent tools for long, straight cuts on sheet metal.

Tubing and piping also needs to be cut to exact measurements during HVAC installation or repair, so find yourself a tubing cutter. This unique device can be adjusted to the diameter of the tube, and slowly splits it while spinning around.

A tubing cutter being used on copper piping

Problems are Easier to Diagnose with a Powerful Flashlight

Nobody wants an unnecessarily large HVAC system installed in their house, so manufacturers make sure that the inner components fit snugly in place. However, this can make repairs a bit trickier, especially if it’s difficult to see into some smaller crevasses. Make sure you have a reliable, sturdy and portable flashlight for repair jobs to make it easier to diagnose these problems. It may not be a dedicated HVAC tool, but it certainly makes life much easier.

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HVAC technicians are in high demand across Canada at the moment, but that’s no reason to be complacent about finding work. Certified professionals still need to look in the right places and follow the right advice to impress employers.

Recruiters are a useful resource during the job hunt because they are given responsibility by HVAC companies to source the best possible candidates. There’s no standardized routine for recruitment, and each company uses slightly altered interview processes.

However, recruiters know the industry inside out, and offer essential advice to get you fully prepared. Keep reading to learn more about the importance of recruiters, and what they’re looking for from prospective job candidates.

Recruiters Have a Wealth of Useful Information for HVAC College Graduates

Companies avail of recruitment agencies to help them find reliable and skilled candidates. Prospective candidates can take advantage of their services for free, and there are lots of good reasons to do so. Because recruiters work closely with lots of different employers, they develop a great knowledge of the HVAC industry. This allows them to advise candidates on what skills and experience levels are most highly sought after.

Recruiters want to find talented HVAC technicians for employers

These services are a great help as you get ready for an interview too, and many agencies will make sure that you’re ready for whatever questions may arise. It’s normal to become nervous during the job application process, especially when you’re looking for your first full-time job after graduating with an HVAC diploma. Recruiters help to make sure that you have all the bases covered, whether it’s with your resume, cover letter or communication skills for the interview itself.

How to Impress Recruiters With Your Professionalism

Recruiters have a duty to source the right candidates for employers, so it’s just as important to make a good impression when you’re meeting with these agencies. Double and triple check your resume and other documentation before submitting it to make sure there are no typos, and that all the necessary information is included. HVAC professionals carry out technical work that requires a lot of concentration, and a sloppy resume creates concern about a candidate’s attention to detail.

Prove your attention to detail by spotting and removing resume typos

Jobseekers should also maintain a professional look, whether it’s in person or online. Remember that it’s very easy for companies and recruiters to do a little bit of background research on candidates by checking for social media activity. Keep your LinkedIn profile up to date as well, just in case recruiters want to double check any work-related information or qualifications, such as your HVAC college certification.

Accept the Constructive Feedback Offered by Recruiters

Recruiters know the intricacies of the interview process, so take on board their advice at all times. Constructive feedback is not always easy to listen to, but it’s absolutely vital if you’re to make the best possible impression on employers. Be honest with recruiters so they know everything about your work history. It’s better that any issues are addressed at an early stage, rather than being caught by surprise with a tricky question during a job interview.

Recruiters are happy to hold one-on-one meetings with candidates, so don’t be afraid to ask them questions about the feedback being offered. Clarity is essential in ensuring that candidates know exactly why they’re being asked to make changes. Following this advice will give you the best possible opportunity to find your dream job.

Job prospects are great, so it’s the perfect time to become an HVAC technician.

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