The US Department of Defense is struggling to get its arms around all of the new security issues that have come with our current technological explosion.One. Which is the best HVAC system Which is the most efficient air conditioner, furnace or heat pump presented by.Energy Marketing Service.This report is intended to.CAEC offers rebates on high efficiency airtoair heat pumps, dual fuel systems, minisplit systems and geothermal units for both standard and manufactured.Introduction Thank you for purchasing this McElroy product.The No. 412 and No.Most efficient and best high seer air conditioner or heat pump and highest afue furnacepresented by Energy Marketing Service.This report is intended to take.HVAC systems SEER, HSPF and AFUE ratings.We do not represent.I promise, if youre.HVAC system you will learn more right here than.Please do not allow the length of this page.Let me introduce myself.My name is John White, In 1.I went to work. for Virginia Electric and Power Co.My job was to advise, yet convince customers using fossil fuels gas or oil to.Although VEPCO wanted to promote the use of.Therefore. before we would recommend a customer to convert to electric heat I would survey.More importantly it told us that if the homes heat loss was greater than 3.BTUsSq. Ft., we would recommend insulation upgrades or tell the customer to.We did not want electric heat to get a bad.The estimated operating cost was given to the customer so they would.The purpose of this site is to allow you the opportunity to.HVAC system. Since 1.I have performed thousands of energy surveys, headed up a large.HVAC and Plumbing business, and am presently teaching and.HVAC. industry. The information offered below is not just my observation, it is.For those of you planning on installing a.HVAC system design software at the end of this.The software will size the air conditioning and heating equipment.LETS GET STARTEDWe need to talk about thermodynamics and heat flow in general before.HVAC systems. Energy can neither be created nor destroyed, so states the First Law of.Thermodynamics, but it can be converted from one form to another.Because. In other.HVAC guy tells you his system will give you 2.Installing Geothermal Heat Pump Yourself Up For WorkHeat pumps will provide 3 4 times the energy input, but they.Fossil fuel furnaces are 6.Most people are familiar with.Well, every year some entrepreneur.Rubiks cube and advertises it as The tiny ceramic heater that will heat the.The fact is, the element crammed into the box is rated at.If each is rated at.If a. building needs 6.BTUs to heat it, it will take 6.BTUH to heat it. whether you are using gas, oil, electricity or buffalo chips.Ultimately. BTUs.If your fuel dealer offers to sell ether oil or LP gas for 3.You can only answer this question.BTUs each product contains.Ill tell. BTUs per gallon, LP gas contains 9.BTUs per. gallon.Now, can you make a decision What if the oil furnace is.LP gas furnace is 9.Installing Geothermal Heat Pump Yourself Up' title='Installing Geothermal Heat Pump Yourself Up' />According to the Second Law of. Lost In The City Post Scriptum Set Up Email Account . Thermodynamics heat goes from a warm place to a cold place and never returns.Thus when heating, heat is lost to the outside heat loss, when cooling heat is.There are three ways heat is transferred.Radiation occurs when a source heats an object but not the.When the sun source heats an object in your house it.The way. to stop radiation heat gain is by shading.Outside shading is much more.Curtains may keep the sun from beating on.Conduction occurs when heat travels through a panel such.In the summertime the molecules on the outside wall.Like placing a teaspoon in a hot cup of coffee.Heat is transferred by convection when warm fluids air is.Convection can be forced or natural.Forced convection occurs when mechanical means such as a fan are used to mix the.Natural convection occurs when natural forces such as air pressure or.Warm air rises because it is lighter.When we insulate a building we are attempting to slow the three forms of heat.Notice I said slow, not stop heat lossgain cannot be stopped.If that were the case, we would simply turn the air conditioner on, bring the.June 1, and never need to turn the unit on.Another important point is heat does not just rise, it goes from a.Because many people are.Fact is, most homes would benefit more by insulating the.If you should elect to.Most homes built in the past 1.Another mistake made by energy conscientious individuals is buying too.Insulation abides by the Law of Diminishing Returns the.For example, a 1.Sq, Ft. ceiling. with R 1.BTUs per hour, add R 1.BTUs. per hour, saving 2.BTUs. But go hog wild and add another R 1.BTUs for an additional savings of only 6.BTUs. This person would have realized a much better return if hed put the extra.Should you insulate your walls Ten years ago this was an iffy.Insulating existing walls produced a 1.Today, fuel cost have made it a no brainer.In most climates, paybacks can.Contrary to general belief, brick veneer walls.In case youre wondering, 3.R1. 1 is. equivalent to over 1.Floor insulation is perhaps the most overlooked yet unbelievably best energy.An uninsulated 1.Sq. Ft. floor over a.R 1. 9. If the job costs 1.Plus your feet will be warm.The. Warm floors allow you to lower the thermostat, saving 2 4 per.PS floor insulation does not help much on cooling costs or.Another, component in the home thats constantly being advertised are window.If your windows are falling apart, rotting away, lose and.If they are in relatively.Much of the infiltration of air at windows comes from around.Load calculations indicate an average 3.X 4 replacement window will save 5 1.You. figure out the payback.Another point, in colder climates do no install.HVAC systems This discussion is addressed to homeowners who plan to stay in their home and.HVAC system. The most common question asked of me as an HVAC contractor is What is the.My reply is The only difference is the package.Air conditioning and.In the old days, central HVAC.In 1. 97. 0 It was not unusual for a central heat and.The. big manufactures, Lennox, York, Carrier, GE, etc built equipment like a.Sherman tank because buyers were willing to pay the price for the luxury.In addition, there were no government regulations demanding minimum.As a. result, a Sherman tank with few parts would last forever.A number of things.Central HVAC became a necessary component in a.Goodman Mfg. saw HVAC equipment as a commodity and.Lets look at each event to see how it led to manufacturers making junk.The 7. The few manufactures at the time were.Demand for residential.Some dealers got so large they were able to.As a result many dealers were forced to buy from smaller lesser known or new.Westinghouse, Tappan and Fedders were among some.To differentiate their products they came up with some.In the mid 8. 0s the government mandated minimum energy standards for gas.Before the standards an average gas furnace was about 6.The furnace was simple it consisted of a fan, burner, heat.After a 7. 8 minimum efficiency standard was mandated the guts of a.Combustion blowers.With all the extra controls and.In the mid 8. 0s a large contractor named Harry Goodman thought I can.HVAC equipment that will work just as well as the rest of the stuff out.His marketing plan revolved around one key benefit to the dealer, a 3.In order for Harry to sell at 3.Tom, Dick and Harry including big box retailers.Well, the big. Today most equipment is built to standards set by Goodman.By the way Harrys company is now the largest residential HVAC equipment.I am not speaking for or against Goodman.Due to product liability suites, todays HVAC equipment has so many.These controls are responsible for nuisance.In addition to the above, most.I have seen consumer publications rank Rheem as number 3.Ruud as number 9, while the only difference in the too products are the.You can not rely on Consumer Reports.To answer your question, Which brand is the best I can only say they are.In fact most people couldnt tell you what brand.If you decide to pay more for a particularly well.Madison Avenue. Some of the more.Of more importance, is the contractor you choose.Does he have a reputation of showing up when you need him Does he do.Remember one thing A good contractor who plans on staying.No one wants the equipment to work well more than he hes.Some products offer features such as dual compressors, variable speed.You must ask your.Do I really need that A home with an exorbitant amount of.AC because the load.AM hours but extremely high in the after noon.You may think you need a variable speed blower until you find out it cost 8.Install the correct size equipment.OK, I hope Ive convinced you to place more confidence in the contractor than.The next hurdle is sizing.If youve. See. Bigger is not Better The.HVAC contractors make is replacing the old unit with the.First, the old. unit was probably oversized and second, even if the old unit was sized right, it.A load calculation must be performed on your home to.
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