80% gas furnace versus 90% gas furnace 

I might consider a high efficiency furnace if I lived up north but where I live in the south, it doesn’t really makes sense to install one. In fact, I have never seen a high efficiency furnace in any home where I live but I hear that some custom home builders are installing them now. I hear that Democrats want to outlaw 80% gas furnaces but that would be a huge mistake in my opinion. This war against gas appliances really needs to stop. It really hurts lower income people the most. This push towards efficiency really increases the prices so that consumers can rarely recover costs through lower energy bills. In the case of furnaces and water heaters, high efficiency models are much more expensive, less reliable, and require a lot more maintenance.

@@picklerix6162 The more I have learned since writing this response, the more I believe I would never buy a high efficiency / condensing furnace anywhere. They have a much higher risk of breakdown and over the past year, the quality of manufacturing has gone way down. 80% efficiency are much easier to fix and who want's their furnace to break down where it is COLD! Our new construction has an 80% efficiency furnace and the blower broke down. Ironic it was not the motor, but the mother board that controls the motor speed.

Well that makes me feel awesome Thank you so much for your kind words I tried to do what I think is best is best without getting too complicated I just wanna help

I hope you're Chanel blows up man .great video

Thanks Brother You are the man I hope it does too

I second that. I hope the channel blows up too.

Amazon - eBay!

Glad it was helpful!

I just don't like the fact that it is non renewable and the company's here Price gouge during the Winter

I think he explained it in the video , sounds like it takes more of it to do the same job of heating than natural gas

@@gusc6785 The BTU per cubic foot of propane, the amount is 2,516BTU, while for natural gas, it is 1,030BTU. Thus as you can see, propane contains more energy than natural gas-more than twice. And in an hour, you will use approximately 2.4 more cubic feet of natural gas than propane.

@@TaddyDigest are you trying to argue that natural gas is a renewable and somehow better than propane? Propane contains 2.4 times as much energy per cubic foot so you have to use less. Additionally both propane & natural gas are fossil fuels either extracted from oil refining or directly from the ground.

@@brhop1982 thank you

100k furnace for sure

I certain amount of length in feet of pipe and/or elbows or turns would be the determining factor in a fresh air or exhaust pipe going from 2. Inch to three inch

HOw old was your 97% furnace?

@@znrctrnn hmmm. Don’t know. It didn’t look old. The AC condenser was from the 70s but the furnace looked fairly decent. He probably sold it to someone else. 😂

@@sophiathe380sl It is unethical to sell you a 80 when you had a 97 and not tell you that you will have more gas usage. Care to mention the name of the company?

@@znrctrnnlol unethical in what way ?

Good windows and doors will save more energy than any difference from 80 to 90 furnace, plus the savings fom better longevity of 80 over the rusty 90.

90% furnaces in attics in cold climates is not recommended

A 90% efficient furnace won’t take any extra moisture out of your air. Generally the combustion air is taken from outside and then exits through the flue pipe. So this creates a completely separate air path from the air path in your ductwork. However, a humidifier is still a good idea, because the more moisture in the air, the more energy you can store. And then there are other benefits to the wood in the house when you keep the moisture up.

It depends on if your attic space is either one Conditioned or insulated with like foam insulation

@@TaddyDigest the attic has White Fibre Glass Blowing, it doesn’t have foam insulation in the walls. Why?

The high efficiency furnaces require a drain line that can freeze up if the furnace is located in a space that drops below freezing like most attics.

I too have a 95% VS that was installed 16 years ago and still going. I’ve replaced the igniter once, the pressure switch assembly once (recall) and that DC blower has run continuously the whole time. Consistent temp and humidity year round. I spent the extra money for efficiency and stability and would do it again.

@@joeyoungs8426 I should say that I completely understand why it may not be financially advantageous for some people to buy a 95% furnace. If they buy through an HVAC company that marks the furnace up 200 to 300 percent as many do and then charge thousands of dollars to do the install and on top of that sell them an expensive warranty package...It could take decades for the gas savings to pay off such a huge investment. I bought my furnace on Ebay for about 2 thousand dollars and I did the install myself. I had a little HVAC experience in two of my former jobs before I retired, so I was not afraid to take on the task and learn what I still needed to know before doing the complete install solo. I live at over 9000 feet elevation so I had to calculate the BTUs needed when the furnace is derated for the altitude and I also had to calculate the orifices size to suit the altitude as well. It was not a simple install and I did have to buy some tools like a manometer and other calibration equipment as well as some plumbing for the condensate drainage and neutralization into my sewerage system.. For the furnace and everything included I spent about $2500. for all I needed. I know for a fact that people living in my area with a similar sized home have spent more than four or five times that much money for a similar unit and install from our local HVAC companies. It will take those people a lot longer before they begin to pay back their investment from their gas savings. I am now well into my fourth heating season with my 95% furnace. without any problems and just a little maintenance, like cleaning and filter changes. My efficient furnace has already paid off my investment over what it would be if I had bought an 80% furnace. It really pays to be able to learn to help yourself and not have to rely on the money gouging dishonest professionals.

yes change to pvc

A metal flue will rust and corrode through in less than one heating season. Because the water condenses out of the exhaust and that water is also acidic. For that reason PVC is required for high efficiency furnaces.

Hey Dan yes you can do the same thing. But it half it's to go above the ridge of the roof.

I mean side of one side of the roof.

It depends on the temperatures that you experience and how long. It depends on where you're going to install the furnace in A crawl space or attic. And what you're insulation is

@@TaddyDigest In our finished basement. Stone block/cement block wall. Concrete floor. What's your opinion on AirTemp Brand High Efficiency Gas Furnace??

I've never heard of air temp send me the link to the equipment.

No you're right You are absolutely correct 3 and a 1/2 inches of water column on natural gas would be high stage and that would be a 100%

@@TaddyDigest Thank you, i actually never really thought about that until now.

Well I'm glad you watched the video I'm also glad that I did this video Thank you

2nd on natural is 3.5. 2nd on lp is 10 First is half on both .you cannot run 7wc or 20wc manifold pressure on any equipment i have ever seen.

Yup absolutely Agree Thank you Richard

Ninety percent systems last ten fifteen twenty years I don't know what hes talking about.

Then why did my tech warn me about the short life of 90% furnace. We had to wait 3 day for the 80% furnace to arrive.. He was more inserted in me as a customer than money. Or is more experienced

@Ckmi1 Don't believe everything you are told I sell four hundred units a year I have ninety percent furnaces that are still in the field working and there are hundreds of them that are fifteen years old.

I replaced one the other day that was on video and it was 20 years old.

I am not currently hiring

You might want to check your sentence I couldn't really understand

Nonsense...You were taken for a ride.

Just like today's cars. More complex, built in layers, full of cheaply produced components, obsolete in 20 years, and not serviceable by the average Joe with some common sense and a tool box. It's today's reality.

Spot on my friend

All the way

Glad it was helpful!

That would be a massive step backwards. Newer heat pumps are extremely efficient and produce heat down to -30 celcius (Mitsubishi Zuba). Government incentives are big for heat pumps right now. Gas is not the way to go now.

@@mathieur-w1205 Some, including myself, would disagree with that. Heat pumps as primary heat source makes one grid (or massive generator) dependent. Of course government offers incentives. It helps keep us reliant on them for our survival.

@@TaddyDigest hello tad, Im a hvac tech. I’ve seen have a very old 80 percent that only has a old board for a thermostat, gas valve, flame sensor and igniter. Small Flame comes on every now and then but flames won’t kick on nor will it spark/ignite. Need help tad or techs

You create the most btu's during change of state. 970 btu's are created by creating 1pound of condensate.this is why category 4 furnaces make water

That’s not true to say you can’t accurately get the efficiency 1%, you can do combustion analysis and adjust the gas valve to meet the efficiency rating