Posts tagged heat exchange

Heating Elements in HVAC

heat exchangerLooking 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.


Some Will Clean HVAC for the Sake of Clean

HVACHeaded back around the bend, we are still looking closely at the HVAC systems of today, and more specifically, whether or not we need to concern ourselves with having them cleaned by heating and cooling service in St Louis near Webster Groves MO.  The answer seems to lie, like so many other questions, in the details of your situation. “Some research suggests that cleaning heating and cooling system components (e.g., cooling coils, fans and heat exchangers) may improve the efficiency of your system, resulting in a longer operating life, as well as some energy and maintenance cost savings. However, little evidence exists that cleaning only the ducts will improve the efficiency of the system.”  So, it could be more of a question of how much of your heating and cooling system you address in the cleaning process, or just how thorough you ask them to be when you call your St Louis heating and cooling installation near Webster Groves for your next HVAC service.

Many people will agree that the debate is pointless, in fact you may consider having your air ducts cleaned simply because it seems logical that air ducts will get dirty over time and should be occasionally cleaned. “Provided that the cleaning is done properly, no evidence suggests that such cleaning would be detrimental. EPA does not recommend that the air ducts be cleaned routinely, but only as needed.”  Also true and found in our recent research on behalf of your St Louis heating service near Webster Groves, is that the EPA does, however, recommend that if you have a fuel burning furnace, stove or fireplace, they be inspected for proper functioning and serviced before each heating season to protect against carbon monoxide poisoning.

If you do decide to have your air ducts cleaned, take the same consumer precautions you normally would in assessing the service provider’s competence and reliability.  You may wish to only pursue those businesses highly recommended to you, such as your St Louis Heating Sales and Service near Webster Groves.


Commercial Warm Air Heating

heating equipmentIn the heating and cooling world of which we are a part, we try to bring to you some of the latest information on behalf of your Heating Installation in St Louis near O Fallon MO.  Some of the most intriguing data comes from subjects that are somewhat fundamental, yet mysterious to most, such as how heating systems actually operate. Today, we will talk about the two main types of heating systems:  warm air and radiant heating in St Louis near O Fallon.

Warm air heating is classified as the first type of heating system and makes use of fan to draw air across a heat exchanger, which increases the temperature of the air and distributes it evenly throughout an area or space. These are ideal for environments requiring constant temperature.  The process involved here is for a warm air heating commercial system in St Louis and starts from a gas or oil fired burner as the initial source of warm air.  Then, hot water circulates throughout the heat exchanger or the electric element.

How are these particular heaters in St Louis installed?  Well, they can be situated by suspending them above the space being heated or mounted on the walls or even on the floor.  For those of you heating a commercial space who need to resort to the floor installation, the following may be important to note, “The floor standing models may use outlets to direct the warm air to specific areas or they can be directed to a duct work system to distribute the warm air to a bigger area. The choice will depend on the floor area or layout of the space.”  There is more to discuss here, regarding the warm air heating process and specifics on how these particular heaters work.  Stay tuned for future posts on the subject on behalf of your St Louis Heating Installation near O Fallon MO.

Radiant Heating in Commercial Environments

radiantWe recently set out to discover the types and ways in which it is best to heat a commercial space in St Louis near Belleville IL.  We found that there are two main styles of heating and that after you understand the area that you are attempting to heat or cool, you will likely be able to better decide which way works best for the space in question.

The first type, which we went into pretty good details over in the previous post here on behalf of your St Louis Heating and Cooling installation and sales near Belleville, is referred to as warm air heating.  Ideal for areas that require a more constant temperature, these commercial heating set ups are usually started with a gas or oil fired burner as the source of heat, then hot water is typically circulated through the heat exchanger or an electric element from there.  There are floor models or those that can be suspended above the space in being heated by your St Louis Heating Service near Belleville.

“The floor standing models may use outlets to direct the warm air to specific areas or they can be directed to a duct work system to distribute the warm air to a bigger area. The choice will depend on the floor area or layout of the space.”  Radiant heating is yet the other type of heating in St Louis near Belleville IL and it is a popular way to heat commercial space as well.  Typically provided by radiant tubes that are placed in built-in duct work throughout the roof, the radiant plaque heaters are sometimes used there instead.  In either case though, according to our St Louis Heating sales near Belleville IL, the heat energy is emitted in the form of infrared radiation from the hot surfaces of the heaters. The infrared radiation warms the people or occupants and other objects exposed to it.

Different Heating Options for Commercial Space

optionsWhen we decided to write more this month on the subject of heating in St Louis, we made the choice to focus in on commercial heating in St Louis near Clayton MO.  We found, in this research, that there are two main ways to heat commercial space and we want to share some of what we learning in our research on behalf of your St Louis Heating and Cooling Installation and sales near Clayton MO.  “There is a vital need to ensure proper heating is in place especially for large spaces like a warehouse or factory and is all boils down into two heating, warm air or radiant.”  So, apparently, not everyone knows how to go about heating their industrial or commercial space as well as they need to.

“The commercial heating systems should be properly maintained and operated effectively to ensure productivity of employees especially in cold regions or areas.”  It is important, for starters, to be aware of the space and have knowledge as to the nature of the space being heated, along with the type of business being heated and its associated requirements.  After those basic facts are established, it is time to learn the details of the two typed of commercial heating systems.

Warm air heating is the first type of heating in St Louis near Clayton that we wish to discuss.  We may have time to go over both types here, but if not, we will continue this discussion in the posts to follow, on behalf of your Heating and Cooling Service in St Louis near Clayton MO.  The warm air heating style is actually classified as the first type of heating system, making use of a fan to draw air across a heat exchanger.  This increases the temperature of the air and helps to ensure even distribution of this air throughout a specific area or space.

Heating Options in Your Space

furnaceIn our research on behalf of your St Louis Industrial Heating near Bridgeton, we have found that there are indeed more than one ways to skin a cat, I mean, heat your space.  Beginning with central heat, we plan to take you through the variety of ways both here and in posts to follow.  Central heating in St Louis involves a furnace.  “The majority of North American households depend on a central furnace to provide heat. A furnace works by blowing heated air through ducts that deliver the warm air to rooms throughout the house via air registers or grills. This type of heating system is called a ducted warm-air or forced warm-air distribution system. It can be powered by electricity, natural gas, or fuel oil.”

Looking inside the gas or oil fueled furnace, we see a sight of fuel being mixed and burned. The flames then heat a metal heat exchanger where the heat is transferred to the surrounding air in an effort to heat the space effectively.  According to your St Louis Heating installation near Bridgeton, the air is then pushed through the heat exchanger by the “air handler’s” furnace fan and then forced into the ductwork which is located downstream of the heat exchanger.

According to experts on HVAC news, “At the furnace, combustion products are vented out of the building through a flue pipe. Older ‘atmospheric’ furnaces vented directly to the atmosphere, and wasted about 30% of the fuel energy just to keep the exhaust hot enough to safely rise through the chimney. Current minimum-efficiency furnaces reduce this waste substantially by using an “inducer” fan to pull the exhaust gases through the heat exchanger and induce draft in the chimney.  If you are looking for service or installation on your heating and cooling systems in St Louis, call your Bridgeton Heating Sales today.

The Latest in Energy Savings With HVAC

heating coolingHVAC energy efficiency is based on so many different factors and many of them are in the hands of the owner of the cooling system in St Louis near Overland.  Design plays a partial role and is not in the commercial owners hands, other than having a say in which one you choose.  Let’s look at this subject for a minute.  “Materials for Heat Exchangers: The design of heat exchangers for air-conditioning, refrigeration, and energy-recovery systems has a significant impact on HVAC energy efficiency, capacity, cost, and size.”

There are traditional designs, according to your cooling installation in St Louis near Overland and they include the following:  fin-and-tube, shell-and-tube, or plate-type heat exchangers that use copper and/or aluminum for tube-and-fin construction.  Recent developments, however, were learned through our research on behalf of your St Louis Cooling Service and Sales near Overland MO.  They involve the advancement in material science that have yielded new ways of material use such as lattice frame metals and alloys and foams made from carbon and graphite.

When it comes to HVAC install in St Louis and overall heating and cooling future abilities and technological advances, all of the above mentioned research will eventually pertain.  Some will lend itself to much more in the way of efficiency and that is what the industry is most heavily focused on for obvious cost advantages.  For heat exchangers, for example, the ones that may increase heat transfer, reduceheat-exchanger size, or reduce heat-exchanger cost, are in the spotlight currently and for really good reason.  For more info and insight into the world of commercial heating and cooling, read the latest news here, where we publish info of interest to the field and anyone with a commercial HVAC system they wish to stay informed about.

Consult a Cooling Professional

save energyDid you know that hiring a professional with the intent of maintaining your heating and cooling system at home may be one of the ways to best reduce your annual energy usage and money spent each year in an effort to most effectively heat and cool your space?  That’s right, on behalf of your Commercial Heating and Cooling Maintenance in St Louis, we bring you one more post on energy consumption and ways in which to save money on your utility bills and home expenses.

The experts say, “Hire a professional to maintain your heating and cooling system. Arrange for annual maintenance with a qualified technician.”  What does heating and cooling maintenance in St Louis look like?  Well, it includes some of the following, and when done correctly can save you a lot of money, checking the airflow over the coil, testing for the correct fluid (refrigerant) level, checking the combustion process and heat exchanger are operating safely, and ensuring proper air-flow to each room.  You will want to ask your heating company that you hire to also make sure the air filters are clean in your heating and cooling system.  You need to do this at least once a month to ensure proper air flow so that your system isn’t working harder than it should have to.

According to our research on behalf of St Louis American Service near Fenton MO, we found that you may wish to consult a home performance contractor to achieve large savings in energy at home.  “There is a growing industry of professionals who are qualified to make recommendations to homeowners on how to improve the overall energy efficiency of their homes. These professional energy assessors will do a comprehensive energy audit of your whole house using special tools — such as a blower door test and an infrared camera to locate air leaks — to measure home energy efficiency.”  If you are to have one of these energy audits performed, you will spend a little money at the time, in hopes to save in the long run.


Comprehensive Commerical Indoor Heating Unit Maintenance List

check list

Keeping up with the your commercial HVAC unit near Florissant is an important part of your winter to-do list.  Preventative maintenance will save you money on your monthly utility bills, keep your place of business warmed properly, and help to keep your equipment running longer.  When hiring an HVAC contractor to do such work, be sure that the following points are covered by the work they perform:

  • Inspect and clean the blower housing, blower wheel, and motor
  • Lubricate motor, inspect and replace fan belt on older model units
  • Clean any lint and debris from the combustion blower housing
  • Drain evaporator coil pan and condensate drain lines, clean as needed
  • Inspect gas units for gas leaks
  • Clean, adjust, and inspect burner assembly
  • Clean, adjust, and inspect ignition system and safety controls
  • Perform an inspection on the heat exchanger and heating elements
  • Check fuel system for signs of corrosion, proper attachment to the furnace, and for any dislocated sections.
  • Inspect control box along with it’s wiring, connections, and associated controls.
  • Replace air filter
  • Check ductwork for leaks
  • When starting the unit up, monitor the system for any uncharacteristic behavior, listen for abnormal noises, and be aware of any unusual odors.
  • In gas furnace units, monitor for correct line and manifold gas pressures and make any needed adjustments.
  • Inspect vent system to ensure proper operation

Once these maintenance tasks have been performed by a professional HVAC technician, you should receive a full report detailing all of the components that were checked, how they performed, and any adjustments/repairs that had to be made.  This is an important part of your maintenance service that will help you understand the current functionality of your unit and any changes that were made.

Contact the team at American Services to have your very own maintenance service completed today!

What To Do As the Cooling Season Comes To An End

welcome fall

Fall is almost officially here and that means your cooling system will soon get a much needed break.  Don’t make the mistake that many commercial cooling system owners make by ignoring your air conditioner and moving on to your furnace without any regard for needed inspections.  Now is the time to get your cooling unit ready for next year and your heating system ready for months of use.  This is what the American Services team recommends you should do now to keep your entire HVAC system running smoothly as we transition from summer to fall.

When getting your heating and system ready for fall, the following maintenance tasks should be addressed:

  • Filter replacement.
  • Full inspection of a gas unit’s burner assembly and heat exchanger.
  • Full inspection and adjustment of the ignition switch on gas units.
  • Full inspection and sequence of electric heat and AMP draw check.
  • Full inspection and adjustment of indoor blower components.
  • Full inspection and tightening of all electrical components.
  • Full blow out service of condensate drain and pan cleaning.
  • Heating and cooling unit cycling.
  • Full inspection of outside air economizer if applicable to your unit.

Once you know that you are finished using the cooling portion of your system, there are a few additional items to take care of.  These items include:

  • Turn off the air conditioner disconnect switch to kill all power to your unit during the winter.  This will prevent the unit from accidentally turning on during the cold weather months and prevent electrocution as you perform the next few tasks.
  • Clean all debris from around your outside unit and take a hose to the unit to remove dust and dirt.  Now you need to let the unit set and dry.
  • Once the unit has completely dried, cover your air conditioner with a waterproof cover like a tarp.  This will keep the unit clean and dry during the winter months.  Just make sure to remove any snow or ice build-up form the unit as needed.

If these tasks are something you would like to hand over to a professional, the team at American Services would be glad to offer help.  Contact our customer care staff now to set-up your very own commercial heating and cooling maintenance check near Clayton today!