Posts in category HVAC

HVAC Components

lock and key“An efficient HVAC system is important to the comfort of your family throughout the seasons of the year, because this climate control device is responsible for Heating, Ventilating, and Air Conditioning your home.” On behalf of your HVAC in St Louis near Ladue MO, we will be scrutinizing the different elements of an HVAC system to learn more about how they tie into the whole system and what each of the essential components brings to the table.

We will start with the thermostat in your St Louis HVAC near Ladue. “The thermostat is usually the most visible part of your HVAC system. Set on a prominent, easily accessible wall, it may be either programmed in advance or set manually to keep the home at a desired temperature.” When the ambient temperature becomes too cold or too hot and fails to match that which is set on the wall, the thermostat will trigger the heat exchanger or the evaporator coil-condensing unit combo to begin circulating warmed or cooled air as needed in order to bring the house up to or down to the desired temperature.

Moving on to the furnace, we discover the key component of your HVAC in St Louis MO. It’s also the largest, and therefore requires the most space.  It is often times in the cellar, your finished basement, the attic, or a special closet designed for the purpose of housing your St Louis HVAC near Ladue.  Its function is to heat a supply of air which is to be distributed to various rooms of your home via the HVAC. “This heating process is accomplished using one of four possible heat sources — combustion (burning natural gas, oil, coal, or propane), electric resistance, heat pump, or solar energy collected on site.”  We will pick up next time, looking at the heat exchanger, along with the other components of your HVAC system in St Louis near Ladue MO.

Down the Halls of HVAC

hallsLooking at heating in St Louis near Sunset Hills, we realize that is has been some time since we perused the halls of an HVAC explanation, looking for new details to point out surrounding your system in St Louis.  So, today, we stumble upon the heat exchanger. “The heat exchanger is found inside your furnace unit’s housing. This component switches on when the furnace is activated by thermostat to produce warmer temperatures in winter.” The way it operates is to pull in cool air, then heat it and circulate it by way of your ducts and our through your vents.

The heat exchanger pulls in cool air, heats it, and circulates the resulting heated air via your ducts and out through the vents.  The evaporator coil is another important heating component to understand.  It has, basically, the opposite job of the heat exchanger and it acts to cool the air when the thermostat is set lower and cooler during the summer months.  “Located in a metal enclosure on the furnace’s exterior, to the top or side, the evaporator coil works similarly to an automobile radiator to produce cool air, which is then circulated through the ductwork.”

Now, we move onto the condensing unit of your heating and cooling system in St Louis near Sunset Hills.  Connected to the evaporator coil, the condensing unit is installed by HVAC contractors on the outside of your home and filled with refrigerant gas in order to properly operate. “When the refrigerant has been cooled to a liquid by heat exchange with the exterior air, the condensing unit pumps the liquid to the evaporator coil to be evaporated into a gas once more.”  This leads us to your refrigerant lines which carry the refrigerant substance to the condensing unit vaporized in the form of gas and return it to the evaporator coil in liquid form.  In order to be resistant to temperature, these lines are typically made of copper or aluminum.

HVAC and Mold

HVACWriting today on behalf of your HVAC installation service in St Louis near Jefferson County, we run straight into the in depth subject that begins with a simple question, “Should I have my air ducts cleaned?”  Knowledge about air duct cleaning is actually in its early stages, so a blanket recommendation cannot be offered as to whether you should have your air ducts in your home cleaned, believe it or not. The U.S. Environmental Protection Agency (EPA) urges you to read this document in it’s entirety as it provides important information on the subject and all came from reputable sources online.

According to a recent article found online, “Duct cleaning has never been shown to actually prevent health problems. Neither do studies conclusively demonstrate that particle (e.g., dust) levels in homes increase because of dirty air ducts. This is because much of the dirt in air ducts adheres to duct surfaces and does not necessarily enter the living space. It is important to keep in mind that dirty air ducts are only one of many possible sources of particles that are present in homes. Pollutants that enter the home both from outdoors and indoor activities such as cooking, cleaning, smoking, or just moving around can cause greater exposure to contaminants than dirty air ducts.”  However, there are definitely times when having your St Louis HVAC near Jefferson County cleaned, is highly recommended.  These are specific circumstances that are listed below.

There is substantial visible mold growth inside hard surface (e.g., sheet metal) ducts or on other components of your heating and cooling system. There are several important points to understand concerning mold detection in heating and cooling systems, also, so we have relayed below, on behalf of your St Louis HVAC sales near Jefferson County, what we learned in our research therein.  Many sections of your heating and cooling system may not be accessible for a visible inspection, so ask the service provider to show you any mold they say exists.  It is also recommended that you are aware that although a substance may look like mold, a positive determination of whether it is mold or not can be made only by an expert and may require laboratory analysis for final confirmation.  For about $50, some microbiology laboratories can tell you whether a sample sent to them on a clear strip of sticky household tape is mold or simply a substance that resembles it.

How Smart Technology Impacts HVAC

smart technologyToday, we will talk about smart homes and the future that they hold in our country and globally as well.  What does a smart home do and what does that mean for the forecast business and health of industries such as your St Louis HVAC near Wentzville MO?  “Everything is getting smarter these days. From the cars we drive to the televisions we watch, just about every piece of tech you can imagine has been outfitted with smart technology. It’s only natural, then, that our homes would be next.”

We set out to research the subject on behalf of your St Louis HVAC sales and service near Wentzville both for our own curiosities and for the interests of our followers.  We know that connected systems and phone apps already give us the ability to control our home’s lighting, HVAC systmes, security systems, surveillance, and entertainment at the push of a virtual button. It is safe to assume that these “smart” technologies will continue to evolve and become integrated into our homes, allowing us to control a home’s comfort levels down to the very last detail.

How does the above realization change the way we see and experience the world of HVAC installation and maintenance in St Louis near Wentzville MO?  “Since many of these innovations are already available on the market, this movement toward a smarter home has changed how HVAC engineers and designers approach the next big thing, which is good news for those of us who appreciate high-tech solutions.”  We will dive into further details here in the next post on HVAC future in things such as fully automated homes and even 3D printed air conditioners.

Unique HVAC Solutions and Water Technology

air conditioningWe have just recently been settled in on the subject of higher efficiency HVAC options here in the US and other places globally on behalf of your Commercial HVAC Sales and Maintenance in St Louis near Ladue.  Today, we want to look at something called an On-Demand Hot Water Recirculator.  “A U.S.-based company out of Rhode Island has designed an ‘on command’ pump for a home’s water lines, which allows cool water to be circulated back into the water heater upon activation.”  We will also examine ice-powered air conditioning and a couple other new inventions in the HVAC community.

The purpose of this design is to minimize the waste that we all tend to add to in the water world in the name of proper water temperature.  “This product was engineered to be a solution to a major problem to which all of us contribute: Each year, the average home wastes 12,000 gallons of water just waiting for that water to warm up.” Recirculating this otherwise-wasted water back into the system is an eco-friendly solution that’s bound to play a huge part in future homes.

Ice-Powered Air Conditioning is next on the agenda on behalf of your HVAC in St Louis near Ladue.  Air conditioners seem to be prime systems for gaining improvement through minor and sometimes major adjustments.  For this reason, a California-based company has created an ice-powered A/C system called the Ice Bear. “The Ice Bear essentially works by freezing water in a tank overnight, so the ice can help cool a building the next day. So far, the design has been able to provide enough cooling for a building for up to six hours, after which, a conventional commercial air conditioner takes over.”  When it comes to this particular HVAC technology, it still has a ways to go.  But for now, it can work in 6 hour increments, which is definite progress.

 

Thermally Driven AC

thermally drivenWe like to discuss all that is new and pertinent in the area of HVAC on behalf of St Louis American Services company who deals in HVAC sales and service near Edwardsville IL.  Some of the newest designs in the industry were covered last month. Today, we pursue more information to pass along to you.  “Another design that’s recently been implemented is thermally driven air conditioning. An Australian company named Chromasun has produced a low-cost alternative to traditional A/C units.”  This is yet to be a popular, widespread idea in technology, but interesting enough to include here, nonetheless.

Since it is not well known as of yet, it is also not available in the United States at this point.  The reviews and information we read online, however, on behalf of your St Louis HVAC installation, says it should not be long before this is not the case.  “It isn’t a widespread technology yet, and it will likely be several years before this kind of design becomes widely available in the United States. However, thermally driven air conditioning is a system that uses solar energy and is supplemented by natural gas, making it a highly efficient and effective system.”

With a double chiller such as the one is has, this particular design provides more cooling capabilities than any other system out there today.  “In fact, the double-chiller design provides more cooling capabilities than any other system so far, and it eliminates electricity costs altogether.”  This is one innovation in St Louis HVAC near Edwardsville that we recommend you keep your eyes on and plan to see more of in the near future.  In our upcoming posts, we will continue to discuss interesting options in HVAC similar to this thermally driven one.

Heat Pump Particulars in HVAC

heat pumpWe enjoy the efforts we put forth on behalf of your HVAC installation and repair in St Louis near Overland MO.  One of the best aspects of this job is to learn more about interesting topics and pass along what we discover to others.  Today, we are looking closer and the H in HVAC, which as most of you probably know, stands for heating.  Heat pump seemed interesting, so we first researched the details surrounding those.

There are two main types of heat pumps used in residential and commercial applications: air-source heat pumps (by far the most common) and ground-source (or geothermal) heat pumps. Did you know that a heat pump works like an air conditioner in the cooling cycle?  Then, when it is in the heating cycle, it simply does the reverse, working to cool the outside while venting heat to the inside. A major difference in the two mentioned above, was found during our research on behalf of your HVAC sales in St Louis near Overland, as follows, “Ground-source heat pumps transfer heat through earth or water, whereas air-source heat pumps do so via air. Because heat pumps simply move heat around rather than creating heat, they can be a very efficient method of space conditioning, especially in moderate climates.”

What lets us know the efficacy of a heat pump?  Well, this would be best measured in efficiency compared to yield.  “Heat pump efficiency is rated using two metrics: SEER (Seasonal Energy Efficiency Ratio) is used to rate the performance when the unit is acting as an air conditioner; HSPF (Heating Seasonal Performance Factor) is used to rate the performance when the unit is in heating mode.” In our research, we learned, on behalf of your St Louis HVAC sales, that there is much to be known about efficiency and many ways to dive deeper online.  For now, the above rating system is all we uncovered for time’s sake.  Stay tuned to this site for more posts on heat pumps and more discussion about their efficiency and other surrounding details.

Furnace Ignitor Issues

HVACThis time of year is rather frigid where we live, as is the case for many others in the middle of January and so HVAC functioning is pretty important for comfort and safety of your family and home as temps drop to the single digits and in the negative numbers some places.  There are some people brave, or experienced enough to troubleshoot and fix their furnace woes, but when our shot craps last night, we hired a professional like those at your St Louis HVAC Repair near Clayton MO.

Turns out our issue was the ignitor and so we will spend a little time in this post and the next one talking about repairing an HVAC ignitor and how much professionals may charge and what you can do to attempt to handle it yourself, if that is indeed your choice.  “Most furnaces fail to operate when the gas furnace ignitor is broken. A gas furnace ignitor is what lights the gas, which is necessary for heat supply. Most furnaces installed in buildings have a flame sensor and an ignitor. If the ignitor fails, the flame sensor will not work. Consequently, the gas supply will be automatically cut off, and the furnace will be shut down. Problems with a gas furnace ignitor can be fixed using simple techniques. However, if the ignitor does not work at all, it will have to be replaced.”

Tackling this yourself, rather than hiring someone from your St Louis HVAC maintenance and repair near Clayton, could backfire, but for those who wish to try, you will want to begin by turning the power off on the furnace. You will need to check the pilot light, and see if it lights properly. The light may go out repeatedly or may not work at all in some cases. This may indicate a problem with the thermocouple of your furnace.  At this point, it would be wise to call in a professional from someplace like your St Louis HVAC repair and sales near Clayton.  If not, you can keep on moving ahead and check out our next couple posts on what we would recommend if you so choose.

Troubleshooting Advice for Your HVAC

HVAC installThere are several things you can do when attempting to fix the cause of your furnace woes, in addition to, and we think most intelligent of the options, being to call a professional HVAC Repair in St Louis near Overland.  “If the pilot light is working normally, but the furnace is noisy, the furnace may need minor repairs. Also check the air filter; if it is dirty, clean it. Clean the blower blades and lubricate the motor. Finally, inspect the belt attached to the motor.”

You can, when replacing the ignitor, also, inspect the electrical service panel to see if there is a tripped breaker or a fuse that is burnt out.  You will then need to relight the pilot, according to the research we found on behalf of your St Louis HVAC installation near Overland. If, at this point, the heat being generated is not enough, the you can adjust the air shutter of the burner until it reaches the level you need for effective heating with your HVAC in St Louis MO.  Make sure you clean the ports of the burner while you are in there.  You can also clean the pilot orifice with a toothpick while you are at it.

In this process to troubleshoot your furnace, with an inkling that the problem may be the ignitor, is to follow the directions here that we found in our research on behalf of your HVAC sales and service near Overland, MO, “The next step is to check the electrical service panel and see if there is a tripped breaker or a fuse that is burnt out. Relight the pilot heat and check the temperatures. If the heat is not enough, adjust the air shutter of the burner. Clean the ports of the burner. Check the temperatures again and see if the pilot light remains lit. If not, use a toothpick to clean the pilot orifice.”  Stay tuned for more troubleshooting advise for your HVAC ignitor.

Becoming an HVAC Technician

certifiedAt your St Louis HVAC installation and sales, we specialize in a multitude of repair, sales and maintenance offerings.  Today, we want to bring you more information from the HVAC industry and thought a good subject to land upon might be the job industry in the HVAC world.  Let’s start by defining what it is to be an HVAC technician, shall we?

“An HVAC technician, or HVACR technician, is a person that specializes in the installation, repair and maintenance of HVAC systems.”  From our research on behalf of your HVAC installation in St Louis near Bridgeton, we know that HVAC/HVACR systems are composed of heating, ventilation, air conditioning and refrigeration functions and also that they control the overall temperature and climate inside of homes, corporate offices, hospitals and other types of indoor environments in St Louis MO.  Some HVAC techs specialize in commercial systems while others concentrate on the residential market, for there are distinct differences in their training for good reasons.

If you have your sites set on HVAC certification, you should know that to become an HVAC technician you will need a strong knowledge of wiring, piping, troubleshooting and controls as they pertain to the area of heating and cooling.  This industry mixes several others in terms of knowledge.  No doubt that you will need to be at peace with the use of power tools as well, if St Louis HVAC work is something you seek.  According to your HVAC installation in St Louis and the research we did on their behalf, it is also true that technical training is a must, whether it is through an on-the-job apprenticeship, a short-term vocational course or a full-fledged certification program at a technical or trade school. “Also, many states do require a license to become an HVAC technician – this license is usually obtained by passing an exam. Federally, techs must become certified with the EPA in order to work with refrigerants. NATE certifications – North American Technician Excellence – are also valuable, although not required by all HVAC employers. Learn more about NATE exams here.