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Heating Season Is Here...Some Advice From A Heating Man

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Edward

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Today's customers compelled me to come pass a little advice to my Brothers and Sisters here. If your furnace is old and you're considering replacement to a new high efficiency unit, do your homework on them. Don't just call your trusted heating outfit and accept their recommendations of which unit you should get without sleeping on it, doing a little bit of research yourself. Most companies will come and tell you get the most efficient unit that you can. Lowering your monthly gas bill is not the only consideration. Yes, it is nice to lower your bills. But if you let the salesman in them sell you a top of the line unit, understand that it is his job to try and sell the top of the line equipment and they are very good at it. There are some things that they will not tell you. Important things.

They can make the efficiency of the unit sound like it would be stupid to get anything less. That is not necessarily true though. There's 80% efficient units, 85% efficient units, 90% efficiency units, 92%, 94%, 95%, and 97% efficient units. To understand the efficiency of the unit, think on it like this: for every dollars worth of gas that the unit burns, it will give you 80, or 90 cents worth of usable heat in your home from it. SO an 80% efficient unit gives you 80 cents worth of heat, a 92% efficient unit, 92 cents on the dollar, and so forth. sounds good, huh? So a 97% efficient furnace will save you 17% more gas than an 80% efficient unit, every month and this savings is real. WHoa, sign me up, I'll take the 97% efficient furnace, I want to save money!

Not so fast there, my friends! While the savings is real, look to the future. Warranties are very competitve nowadays and your new unit will probably come with a 10 year parts warranty regardless of the unit. No more worries there, right? Uhh, better rethink that one too. How fast did the last 10 years go for you? Quick. One day, that baby will be yours and yours alone to get repairs done on.

I'm in the business. It is a fact that the 95% and up furnaces cost significantly more to repair. The parts are a LOT more than for the lesser efficiency units. So you can take that 17% savings and put it in an envelope and saver it. Because when it comes time to repair that unit, you will be paying all that savings back. Not to mention reliability. The higher efficiency units have more features, bells and whistles. The more that CAN go wrong, WILL go wrong. They are not as reliable.

This town I'm in is overflowing with 95% and 97% efficient furnaces. They really push the high end stuff here. Monday of this week, I changed a vent motor on an 80% efficient furnace. Cost to the customer was about $350. Last week, I changed a vent motor on a 97% efficient furnace (that was out of warranty!)...Cost to the customer...a little over 1600 dollars. That's no typo, sixteen hundred. Where is their savings now?! I have installed a few highly efficient furnaces when I was a contractor in Colorado Springs, but to customers which asked for them. I did not push them. I pushed the furnaces that I believe in. The ones that I would put in my home.

The best furnaces going now, in terms of...efficiency, reliability, and future repair costs are the two stage 80% furnaces. The parts are pretty reasonably priced and they burn less gas. Most new furnaces have burners which are 25,000 btu's each when they come on. A two stage, has two stages of heat, low-fire and high-fire. In low fire they are 17,000 btu's each. In high fire, 25,000 btu's. When it fires up, it's running at 17K btu's per burner. If the thermostat does not get satisfied in 12 minutes, then the unit kicks into high fire. It is mild weather most of the time. It will run in low fire most of the time, using less gas. Only in the coldest part of winter will it need to kick in to high fire. These furnaces make the most sense to me as a homeowner.

That lady who paid 1600 dollars for a repair was not happy. She...didn't think about these things when she had that big bad 97%er put in. She regrets it, she said. I'm starting to hear these things more and more here in this town. People regretting getting top of the line equipment and finding out after the fact that, they are not as reliable as the lesser units, and cost more to repair. I work on more 90+furnaces than I do the 80+ furnaces by far. It makes me feel bad to see people go through this. Their furnace salesman wouldn't tell them these things, and if you ask them is it expensive to repair, they'll just flaunt the 10 year warranty and change the subject on you. Take it from a tech who fixes them...be careful what you have installed. There's more to savings than a lower monthly gas bill.
 
Oh, today's customer had a bad vent motor also on her 97% furnace. It is still under warranty. I'm going to replace it tomorrow. The unit is 5 years old with a 10 year warranty on parts. She will have to pay labor though. About 250. She was not happy about that. She said, she got the new furnace so it wouldn't have to be repaired. 10 year warranty sounded good. But it's only been 5 years and it's starting to cost her money.

And for how much she paid to have that unit installed...I shouldn't be there fixing it! I would be mad too.
 
we buy extended warranties only way to be safe . repairs cost me zilch might i add great advice
 
we buy extended warranties only way to be safe . repairs cost me zilch might i add great advice

Some extended warranties can be useful. Especially if it includes a labor warranty with it. I used to give my customers a 1 year labor warrant for free with the installation of a new unit. Parts warranties are manufacturers warranties but I figured. if a homeowner buys a new appliance like a furnace from me, if anything happens during the first year that they shouldn't have to pay anything at all, regardless. A furnace is a big ticket item, meant to last for years. Less than a year would be ridiculous to charge a customer for is how I think. (The company I am with now gives a 2 year labor with an install!) He's good to his customers and I respect that a lot.

Yes, Brothers and Sisters, don't forget to negotiate a Labor warranty into the negotiation of installed price of a furnace if you're getting bids on a replacement ,lol. I admit that doing that is very non-standard and didn't used to be included in a bid. But at the prices that the HVAC industry is charging now...6 or 8 or even 10 or 12 thousand dollars fora system. It's, ridiculous now. I couldn't charge my customers 8 or 10 grand for a furnace/A/C package, or even 5 grand for a single furnace change out. But they're doing it now. (I thought) that, customer service was an important part of the job. And that means being fair and not raking them over the coals. I didn't need to make 3 to 6 grand profit or more on an install. If I made 1000 on a furnace above job cost, and 1500 for an A/C, that's a good days work and fair to the customer. So at the gougng prices that they all charge nowadays here, you bet I'd bring up a labor warranty! Make them do it, I would.

2 yr, 3 yr, 5 years? They want your job. They want that install, they will do it to get the job.

Fair is fair! :chair Gimme me a 5 yr labor warranty buddy! Lol.
 
we purchase it on all our appliances ..we used to by from sears ..they held to their end ..ya just about have to go extended regular warranties have hidden words..leaves you holding the bill
 
Winter?

But well it's a trade for red tide ,blue tide .

I actually like winter better than summer with regard to work. In A/C season, there is a ton of crap to carry back and forth to the truck to work on A/C's. In heating season all I need is my meter bag and a few nut-drivers/screwdrivers. Whoa I might need to go back out to the truck to get some pipe wrench and channelox, but not the reclaim machine, nitrogen bottle vacuum pump, jugs, gauges...Dang!

Besides, wintertime is the holiday season, and, the guy who restores heat to the home is usually very well received! People are so nice. Every heating season people just fill me up with tips, all kinds of food and goodies, cookies. Especially right around the holidays. Not so with A/c season. Wintertime! :lol
 
Today's customers compelled me to come pass a little advice to my Brothers and Sisters here. If your furnace is old and you're considering replacement to a new high efficiency unit, do your homework on them. Don't just call your trusted heating outfit and accept their recommendations of which unit you should get without sleeping on it, doing a little bit of research yourself. Most companies will come and tell you get the most efficient unit that you can. Lowering your monthly gas bill is not the only consideration. Yes, it is nice to lower your bills. But if you let the salesman in them sell you a top of the line unit, understand that it is his job to try and sell the top of the line equipment and they are very good at it. There are some things that they will not tell you. Important things.

They can make the efficiency of the unit sound like it would be stupid to get anything less. That is not necessarily true though. There's 80% efficient units, 85% efficient units, 90% efficiency units, 92%, 94%, 95%, and 97% efficient units. To understand the efficiency of the unit, think on it like this: for every dollars worth of gas that the unit burns, it will give you 80, or 90 cents worth of usable heat in your home from it. SO an 80% efficient unit gives you 80 cents worth of heat, a 92% efficient unit, 92 cents on the dollar, and so forth. sounds good, huh? So a 97% efficient furnace will save you 17% more gas than an 80% efficient unit, every month and this savings is real. WHoa, sign me up, I'll take the 97% efficient furnace, I want to save money!

Not so fast there, my friends! While the savings is real, look to the future. Warranties are very competitve nowadays and your new unit will probably come with a 10 year parts warranty regardless of the unit. No more worries there, right? Uhh, better rethink that one too. How fast did the last 10 years go for you? Quick. One day, that baby will be yours and yours alone to get repairs done on.

I'm in the business. It is a fact that the 95% and up furnaces cost significantly more to repair. The parts are a LOT more than for the lesser efficiency units. So you can take that 17% savings and put it in an envelope and saver it. Because when it comes time to repair that unit, you will be paying all that savings back. Not to mention reliability. The higher efficiency units have more features, bells and whistles. The more that CAN go wrong, WILL go wrong. They are not as reliable.

This town I'm in is overflowing with 95% and 97% efficient furnaces. They really push the high end stuff here. Monday of this week, I changed a vent motor on an 80% efficient furnace. Cost to the customer was about $350. Last week, I changed a vent motor on a 97% efficient furnace (that was out of warranty!)...Cost to the customer...a little over 1600 dollars. That's no typo, sixteen hundred. Where is their savings now?! I have installed a few highly efficient furnaces when I was a contractor in Colorado Springs, but to customers which asked for them. I did not push them. I pushed the furnaces that I believe in. The ones that I would put in my home.

The best furnaces going now, in terms of...efficiency, reliability, and future repair costs are the two stage 80% furnaces. The parts are pretty reasonably priced and they burn less gas. Most new furnaces have burners which are 25,000 btu's each when they come on. A two stage, has two stages of heat, low-fire and high-fire. In low fire they are 17,000 btu's each. In high fire, 25,000 btu's. When it fires up, it's running at 17K btu's per burner. If the thermostat does not get satisfied in 12 minutes, then the unit kicks into high fire. It is mild weather most of the time. It will run in low fire most of the time, using less gas. Only in the coldest part of winter will it need to kick in to high fire. These furnaces make the most sense to me as a homeowner.

That lady who paid 1600 dollars for a repair was not happy. She...didn't think about these things when she had that big bad 97%er put in. She regrets it, she said. I'm starting to hear these things more and more here in this town. People regretting getting top of the line equipment and finding out after the fact that, they are not as reliable as the lesser units, and cost more to repair. I work on more 90+furnaces than I do the 80+ furnaces by far. It makes me feel bad to see people go through this. Their furnace salesman wouldn't tell them these things, and if you ask them is it expensive to repair, they'll just flaunt the 10 year warranty and change the subject on you. Take it from a tech who fixes them...be careful what you have installed. There's more to savings than a lower monthly gas bill.
Great post Ed.

I'd like to add that I always buy the appliances with the least amount of features.
You know what they say..
If something can go wrong,,,
It will.

As you've stated...
 
I actually like winter better than summer with regard to work. In A/C season, there is a ton of crap to carry back and forth to the truck to work on A/C's. In heating season all I need is my meter bag and a few nut-drivers/screwdrivers. Whoa I might need to go back out to the truck to get some pipe wrench and channelox, but not the reclaim machine, nitrogen bottle vacuum pump, jugs, gauges...Dang!

Besides, wintertime is the holiday season, and, the guy who restores heat to the home is usually very well received! People are so nice. Every heating season people just fill me up with tips, all kinds of food and goodies, cookies. Especially right around the holidays. Not so with A/c season. Wintertime! :lol
I will pass on not feeling appendages.ran in the snow,slept in it.
 
There's something else to consider. The real benefit to upgrading to the high efficiency is in its environmental impact but not necessarily in the end-user cost.

I don't know what it costs to install a new heating system today but when we replaced our old forced-air oil furnace with our new furnace about 15 years ago, the furnace was approximately $2,000.00 and installation cost was about $1,200.00 for a total of $3,200.00.

When I first moved to this home we had our old Lennox furnace checked and the HVAC technician was unable to find the serial number in his records. It was too old and he estimated it to be maybe 60% efficient. Eventually, the heat exchange developed a leak so we had to replace it. We upgraded to a new Lennox with an 83% efficiency rating. How long will it take to recoup the cost of the upgrade? Hint: we are still waiting.

We can't predict the future so to keep this simple, I'll assume that the cost of fuel will remain unchanged for the sake of this calculation. Obviously, if oil prices go up, the cost will be recouped faster and if the prices go down it'll take longer. In our case, I also installed an electric heating system that is provided at half cost of regular electricity and so we were not slave to the oil prices when they climbed upwards of $4.00 per gallon a few years after we installed the furnace.

We store our oil barrel in our basement so it is not exposed to the winter temperatures and this allows us to use #2 oil all year. This is a great advantage because #2 oil provides considerably better BTUs per gallon (~135,000 BTU/Gal #1 vs 139,400 BTU/Gal #2) and costs less.

At that time fuel oil was approximately $.90 per gallon so I'll go with this.

The efficiency rating tells us how much of the heat energy generated by the furnace is actually transferred into the home. In our home, we probably used about 350 gallons of oil during the 2017-2018 heating season using our 83% efficient furnace. Now we can calculate how much fuel the 60% efficient furnace would have used during the same heating season.

83% of the fuel we bought actually heated our home and the rest of the heat went up the chimney. From this we can determine 350 x .83 = 290.5 gallons of fuel was actually used to heat our home.

Now that we know how much oil is needed to actually heat our home we can calculate 290.5 / .60 = 484 gallons of fuel would have been required using the 60% efficient furnace to heat our home last year.

Cost difference at $.90 per gallon:
350 x $.90 = $315.00
484 x $.90 = $435.60
$435.60 - $315.00 = $120.60

Using these values, it would take approximately 26.5 years to recoup the cost of the new furnace. The reality is we didn't use the oil furnace for quite a few years when oil prices exceeded $1.01 per gallon because our electric system was less costly at the time. When oil prices came back down about three years ago it once again became more economical than the electric so we again started using our oil furnace.

I called our supplier and today’s price is $2.889 per gallon so we are recouping our furnace cost faster now than we did before. My estimate is we are doing it at a rate of about $250.00 per year at current oil prices.

We have only used our oil furnace maybe 7 years out of the 15 years since it was installed so I suppose we may recoup the cost within the next 10 years or so.
 
One other note. So far we've only experienced one issue with our Lennox furnace. A year ago the fan motor would run continuously and with my electrical design background I was able to determine the cause to be the main control board, order the parts, and make the repair myself. Otherwise we would have that service cost to recoup too. I do my own regular maintenance such as filter replacement and such so we haven't needed a service visit.

Honestly, I have not found too many HVAC techs work on a furnace properly. In virtually every call I've witnessed regarding an oil furnace, the technician changes the filter and the nozzle and calls it good. I can do that myself. If they did their job correctly, they would measure the discharge heat or exhaust chemical makeup (however they can do it these days) and the ductwork air pressure to make sure the furnace was truly running at peak performance and efficiency.
 
I have the cheapest fix when we have problems with our furnace..........................I call the landlord :hysterical.

I call our furnace the monster in the basement as it has six hot air pipes and six cold air pipes coming out of it and the blower is in an old refrigerator gutted out. It's an old galvanized coal furnace and you can't even buy parts for it as it's to old. We burn wood in it that is free as hubby works at a lumber yard and brings home the broken bunks of wood so it's a win win.
 
Honestly, I have not found too many HVAC techs work on a furnace properly. In virtually every call I've witnessed regarding an oil furnace, the technician changes the filter and the nozzle and calls it good. I can do that myself. If they did their job correctly, they would measure the discharge heat or exhaust chemical makeup (however they can do it these days) and the ductwork air pressure to make sure the furnace was truly running at peak performance and efficiency.

I hear very similar things from customers sometimes. One lady came down the basement after about 15 minutes and asked if I was having trouble? No just getting started. She looked quizzically at me and went back up. Every 15 min she came down wondering what's taking so long. I had the burners out and she asked what happened? Nothing, just doing my job. She had never seen anyone pull out the burners to wash them. It took close to 2 hours to do her furnace. She tipped me 20 bucks and said no one has ever done all that stuff to her furnace. They're usually done in 15 minutes!

It takes time to do amp draws, ohm readings and test the safeties and components. When the tech is done, he should be able to tell you, what may be about to go out, what has lots of life still left in it, the efficiency it operates at and overall safety of the unit. The easy ones still take 1 1/2 hrs.
 
I don't have a lot of faith in combustion analyzers. Their main use in the industry seems to be to sell you a new unit, cough cough, I mean, to check the safety of the heat exchanger for you lol. Especially the secondary heat exchangers in the 90+ units. They will show that.

The only useful readings it gives is the oxygen and CO content of the flue gases. If they are off, there's not a whole lot we can do to the unit, really. What, play with the gas pressure, blower speed? Wow. Better let me sell you a new unit mamm...
 
I hear very similar things from customers sometimes. One lady came down the basement after about 15 minutes and asked if I was having trouble? No just getting started. She looked quizzically at me and went back up. Every 15 min she came down wondering what's taking so long. I had the burners out and she asked what happened? Nothing, just doing my job. She had never seen anyone pull out the burners to wash them. It took close to 2 hours to do her furnace. She tipped me 20 bucks and said no one has ever done all that stuff to her furnace. They're usually done in 15 minutes!

It takes time to do amp draws, ohm readings and test the safeties and components. When the tech is done, he should be able to tell you, what may be about to go out, what has lots of life still left in it, the efficiency it operates at and overall safety of the unit. The easy ones still take 1 1/2 hrs.
I know very little about LP or Nat. gas but I do know that oil furnaces get built up with soot and the heat exchangers can build up with dust, rust flakes, etc. Mine has a SS heat exchanger so I notice less of the build-up of the metal flakes. I just wish they'd design the forced-air furnaces so it was easier to get in there with a vacuum for cleaning.

I remember our old furnace when we first moved here the heat exchanger was about half full of metal flakes and dust. It was a wonder it could keep up heating the house. Took a lot of hard work and time to clean it out so the furnace could actually heat the air as it blew through.
 
I know very little about LP or Nat. gas but I do know that oil furnaces get built up with soot and the heat exchangers can build up with dust, rust flakes, etc. Mine has a SS heat exchanger so I notice less of the build-up of the metal flakes. I just wish they'd design the forced-air furnaces so it was easier to get in there with a vacuum for cleaning.

I remember our old furnace when we first moved here the heat exchanger was about half full of metal flakes and dust. It was a wonder it could keep up heating the house. Took a lot of hard work and time to clean it out so the furnace could actually heat the air as it blew through.

That's right. When I first got into the trade, they taught me to use a shop vac. But the furnaces then, we could get a shop vac into the heat exchanger chambers then because they were big enough. Pull the burners and vac it out, brush it out, whatever. But the main way that they were able to accomplish making the furnaces higher efficiency is, they got the burners outside of the heat exchanger and choked down the heat exchanger chambers, and instead of them going straight up, they make them go back and forth. (they call it a four pass heat exchanger). This keeps the hot flue gasses inside the heat exchanger longer so gives it more time for the heat to soak into the metal of the exchanger, to be picked up by the blower and into the house. But gas pressure is so low (a few ounces of pressure), that the flue gasses are barely moving through there so a vent blower had to be added to help suck the fumes out. And boom, all of a sudden they had an 80% efficient unit.

Most techs in most companies nowadays do not do a thorough job. They do what they can get away with, as little as possible. I *think* most men develop a work ethic at around age 30 on average. I always wanted to do it all because I found it highly interesting and my dad had taught me, when you stop being better, you stop being good. So I always wanted to be the best tech in the shop. And I pursued it with that in mind. It also made me the slowest tech in the shop(s). In two different companies that I worked for in the past, I was brought up as a subject of note at the company meetings...Edward is the slowest tech in the shop and does less jobs every day than anyone else...(I almost fell through the floor in embarrassment!), but then he continued, but Edward also has the least amount of callbacks than anyone here. In another shop, the statement was Edward has zero callbacks...so we think that if you guys can do a good job in an hour, but you could do a really great job in two hours, we would rather that you took the two hours and do a really great job for the customer. (Suddenly I felt like top tech!) lol.

I'm kind of torn at the job I have now. This isn't my shop anymore, I work for a company now. And I really harped on that NATE certification when I was interviewed to press them for top wages. Well I did it and they pay me well. But they have a tech who has been in the trade longer than me. He is good and he is fast. He routinely calls me after work and asks, you done yet? How many calls did you do today, and so forth. He is fast and he has taught me a few thing on how to be faster without sacrificing quality. I have been doing things the long way, by the book for the most part. Him constantly comparing how many calls we each get done every day makes me feel as if I should be faster than I am. Especially for the wage they pay me! I feel like I should be faster. I mentioned it to the boss, and he said I am a great tech and get quite a few call in compliments on my work, so don't worry about being fast. Be thorough. I have had some callbacks, but I am learning heat pumps. I never worked on them before. And they push the ultra high efficiency units here, and I am unfamiliar with them and those weird wireless T-Stats that do everything except answer the door for you. I have tried to be faster, but you almost can not be faster without cutting corners in the work. Doing all that stuff takes time.

I suspect the other tech cuts a lot of corners that he does not admit to. He did 7 calls yesterday, and I had four. Nobody is that fast without not doing some things.
 
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