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Furnaces

The furnace, whose name is derived from the Latin word fornax, which means oven, is a heating device utilized for both home and industrial purposes. Questions about furnaces can be asked and answered here.

1,402 Questions

Is Lenox Furnace a good option for a furnace unit?

Lennox Furnace price points range from $2,900 to $4,400 dollars. You will want to budget your purchase according to how long you plan to live in this home. If your out look is 10 years then you may want to consider the Lennox Merit G40 gas - 80% AFUE - $2900

How do I choose the best furnace for the environment?

Gas furnace are more energy efficient in my opinion. Electric furnaces use forced air and when you blow air over an electric element, it takes more energy to keep it hot.

Need micro furnace for home/office.?

You can purchase a micro furnace from several large chains like: Sears, Home Depot or Lowes. You can sear product reviews online to find out which one consumers like best.

Where can I get a new furnace thermostat?

You can buy a new thermostat at Home Depot or Lowe's, or even your local hardware store. They will cost around $20 (low end) for one without the central air options. You can order online too: http://www.thermostatshop.com/honeywell.shtml

What is a gas furnace and its advantage?

A gas furnace is a furnace that operates to keep your house warm with the use of gas. Gas furnaces are very energy efficient furnaces, and are the most common furnaces used in North America.

Who do I call to inspect and clean a chimney?

Who do I call to inspect and clean a chimney?

What type of transformer is used in a resistance furnace?

A resistance furnace runs on electricity so it will be some type of electrical transformer.

What size furnace do I need?

The size of the furnace depends on the square footage of the house you are heating.

Why do you see long chimneys in factory?

Many factories produce 'nasty' chemicals as waste products. Tall chimneys 'push' the noxious smoke high into the air - above people's heads etc. The natural wind movement dilutes and dissipates the smoke.

What is the Temperature range in a furnace?

One of the hottest furnaces is the solar powered furnace in the Basque region. It can reach a temperature of almost 3,500 deg C.

Have a furnace but no ac unit can you turn on heater?

An A/C unit is not required to run a furnace. You will want to make sure there are no gaps or missing equipment.

How and why do i use a 2 way spliter to wire up my new electric furnace?

how and whydo iuse one wire to run my new electric furnace that says to use a spliter to attach to the 2 circuit brakers on the furnace. I cannot get it to work properly when I do

What is the btu output of york xp3urd14no?

The York XP3 Urd14no is a heat pump model with a cooling capacity of approximately 14,000 BTUs and a heating capacity of around 16,000 BTUs. These values can vary slightly based on specific conditions and configurations. For precise specifications, it's always best to consult the manufacturer's documentation or product details.

Is 24 volt 20va transformer in furnace is this big enough to put on wifi thermosate?

ya it should work fine. and if not get a battery powered wifi thermostat

What dose a yellow flame mean on a gas furnace?

Yellow flames from a natural gas furnace indicate that the combustion ratio is off and you have too much excess air in the mixture, if the discolored flame is isolated in the burner meaning on only 1 out of 3 or more then the burner/orifice may be out of alignment or there maybe a crack in the exchangers cell.

What causes having to reset a furnace fuel oil heater?

There are a few causes for this but basically in 90 % of the cases it will boil down to improper combustion, caused by air/water/dirt in oil getting caught with in the strainer, gummed up filter and or nozzle, loss of flame rectification proving/sensing. IE. If the eye, located within burner tray is bad or dirty, and finally the draft and venting of the flue needs to be at a 0.02" IWGH.

I have found that almost always that if I know the Oil filter and canister are is clean, the oil tank is full,

First I will set up and bleed any air out of oil furnaces fuel line/lines to pump, Turn off the power to burner, remove the bolts in the top of electrode section of burner, mark very clearly with a Sharpie the current position of copper oil feed line into tray for gun burner and I also out line the position of the flared retaining nut

I then loosen retaining nut on feeder line, reach in and remove tray from burner @ this time inspect and or replace nozzle, place plastic Orange for Beckett, red for Reiello cheater Z dimension cap on nozzle

replace into burner and push it true and lined up flat and sound. we then remove the tray again, retrieve plastic z dim cheater off of nozzle, set electrode ends to gap the correct distance on z dim cap and once again reinsert into tray. Next unscrew port at bottom of burner and affix oil gauges and test pumps inlet oil psi. You should then adjust the psi to what it is listed for on burners data plate to start, this can be raised to make fuel mix more or less lean by adjusting amount of oil and at what pressure it is passing through nozzles screening. If the pressure is raised the amount of oil used during lite off is increased, but the flash point of said oil is actually being lowered by breaking apart the fuel molecules at a higher pressure through screening of nozzle there is a greater Atomization of oil, thus a larger concentration O2 molecules around the oil molecule, causing a hotter more efficient flame.

Located on the data plate on the furnace or boiler is the other important info for your reference, here are the set up requirement's of the furnaces data plate the nozzles GPM and angle of spray pattern.

If this is all set up prior to initial firing, then after the furnace is fired, the smoke should be close to a zero.

This you must test with a hand pump and smoke paper. The combustion process should continue on with out bogging out long enough to let you fine tune the primary air and make any minor air shutter adjustments to secondary air side that are always needed.

You need to both monitor and record the carbon dioxide, O2 % as well as the normal monitoring and recording the CO Levels and temperature of gasses within flue.

As a Professional, reputable and safe tech you need to get comfortable with combustion Analysis as well as the levels that your combustion budget require in order to assess and fine tune any combustion product not only no 2 fuel oil furnaces and boilers but all natural gas and LP combustion appliances.

You will need to drill not one but two holes into the flue in this case. The first hole drilled should be located below the Barometric damper, this is the hole for your combustion testing, the next should be about 12" if possiable beyond the Barometric damper. This port is for your draft measurement, it is taken here so as to account for the damper in the drafting process, and it allows you to set up the counter weight within damper accuratly. If analisys of combustion is done after damper the numbers will be off set with extra O2 being introduced through barometric damper.

These tests require a combustion analyzer and a digital or Analogue Manometer for flue side of process and a smoke pump w/ clean paper, ring gauge for smoke test, and an oil pressure gauge. I use 2 oil gauges so that I can take my return oil or back pressure at same time as the inlet pump pressure is assessed.

I know these tools arnt cheep but after doing it this way I would'nt go back to not using a combustion analyzer.

I personally am certified as a Combustion analyst and am most comfortable using N.C.I combustion Guide lines as my standards. My Analyzer is a Bacarach Fyre-rite Pro, But you may also have used or currently use the I.F.G standards combustion charts and A Field-Piece combustion Analyzer or whichever is your personal standards for excelence and your local municipalities requirements.

Is it safe to plug the furnace oven which is 220v 50hz to 220v 60hz cycle?

Plugging a 220V 50Hz furnace oven into a 220V 60Hz power supply can potentially be safe, but it may lead to performance issues or damage over time. The difference in frequency can affect the operation of the oven's motor and timing mechanisms, possibly causing them to run hotter or less efficiently. It's advisable to consult the manufacturer's specifications or a qualified electrician before making the connection to ensure compatibility and safety.

What is a furnace draft control?

A furnace draft control is a system used to regulate the flow of air and combustion gases within a furnace. It helps maintain optimal combustion efficiency by adjusting the draft pressure, ensuring that the right amount of air enters the combustion chamber while allowing exhaust gases to exit properly. This control can enhance fuel efficiency, improve heating performance, and reduce harmful emissions. Proper draft control is crucial for safe and effective furnace operation.

How often should you change a spun glass furnace filter?

You should change a furnace filter every 2-4 months.

What is the tonage of goodman ce48-1gb?

the 48 in the model number tells you it is a 4 Ton unit.

12,000 BTU in 1 Ton

018 = 1 1/2 Ton

024 = 2 Ton

030 = 2 1/2 Ton

036 = 3 Ton

042 = 3 1/2 Ton

048 = 4 Ton

060 = 5 Ton

etc..