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Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display

Customer Review

I bought this alarm because the description said you could use it on a table top. I wanted to put Carbon Monoxide alarm in the basement near the water heater and furnace but didn't want to go to the trouble of mounting it on a cement wall. This worked great! I just set it on the shelf in the laundry room. Bonus, I can still read the digital display because the screen is big. I have the previous version of this which was round and i think the part number was KN-COPP-B. I kept the box so I could order another one but was happy to find out that they updated it and made it free standing.
I highly recommend this product, and Amazon shipped it in a day. I bought it and the next day I had it in my house working.
Kidde KN-COSM-B Battery-Operated Combination Carbon Monoxide and Smoke Alarm with Talking Alarm

Customer Review
After looking at the excellent ratings for this product, I purchased two units and installed them - one each in the bedroom and the utility room. One day, I was getting the toddler to sleep when I smelt smoke and something burning. Upon exiting the bedroom (which has one detector), I noticed that the house was full of thick black smoke from a "microwave cooking accident". There was no fire. The fact that the smoke detector did not go off bothered me and I did a bit of reading on the detection systems. Turns out that there are two detection mechanisms - ionization and photoelectric...and to cut a long story short, one needs to have both types of mechanisms in operation. The manual of this product pretty much says the same thing on page 6. However, it does not tell me which smoke detection technology the unit uses - information that I can use to purchase a different smoke detector with the other mechanism to compliment this one. I can only know how good this product is when it responds to something that triggers it. It did not pick up smoke that I picked up by smelling, and the documentation is inadequate. That is why I give it a one.
Rheem Ruud Weatherking Factory OEM Protech Parts 42-101445-83 Furnace Pressure Switch

Product Features
• 42-101445-03, 42-101445-83, 42-22474-03, and 8405-5652 Furnace Pressure Switch
• Includes Switch, Bracket, Tubing, and Wire Assemblies
• SPDT Switch - 3 Wire Terminals
• .40" WC Setpoint
• Fits Many Rheem, Ruud, and Weatherking Furnace Models
• Genuine Factory OEM Protech Part
Broan HRV100H Heat Recovery Ventilator 64 Ð 146 CFM 

Product Description
Broan HRV100H Heat Recovery Ventilator ideal for homes 3,001 To 4,500 Square feet delivers 64 to 146 CFM of whole-house balanced ventilation, replaces stale and polluted indoor air with fresh outdoor air minimizing negative or positive pressure in the house. Our heat recovery core allows outgoing stale air to temper fresh incoming air without cross contamination. Defrost mechanism prevents ice build up in the system core.
Fantech SH 704 HRV (Single Speed) 

Product Description
Compact HRV with easy-mount wall bracket. Brings a continuous supply of fresh air into a home while exhausting an equal amount of contaminated air. HRVs use what is called a " Sensible" heat recovery core. This special core transfers heat from the exhaust air stream to the incoming air stream. Fresh incoming air is tempered by the heat that is transferred from the outgoing air to save on energy costs. The SH704 is equipped with automatic defrost mechanisms so even if you live in the coldest climates you can use your HRV all year long. Feature and specification super compact size includes easy-mount wall bracket… etc.
Honeywell Energy Recovery Ventilator ER150C2004 

Product Description
Description 150 cfm; moisture transferring core; manual control and without frost control. The ER150 and ER200 Perfect Window Fresh Air Ventilation Systems provide proper levels of ventilation with energy savings by transferring heat and moisture between the exhaust and fresh air streams. The ER150C and ER200C are specifically designed for installations in unconditioned spaces such as attics and garages.

List of Simple Questions 9

On the List of Simple Questions page and on the others alike (see links to them below), you can find answers to all spectrums of issues this website is dedicated for!
If your search engine sent you to this page that means, that a similar question was asked before and you will be able to find the answer you are looking for.
Some of the questions are simple enough and you can find answers right here on this page.
The others are more complicated and I provided links to the pages on my site where you can find free information.
For the third part of the questions that are not that simple, as you may think, I provided links to the paid pages or books on my site.

So, please scroll down, find your question and good luck!

Adding a second furnace to heat garage, can I vent two furnaces into one PVC pipe?

Adding turning veins to ductwork.
I have a PDF file for this topic.

All the materials involved with a gas furnace, piping ductwork, etc.
You can find pictures of all fittings you want in Chapter Materials of my "Ductwork Installation Guide" e-book.

Materials* – presents most of the fittings and materials available for the ductwork installation.
The chapter has 241 pictures; 20 pages*. $1.86 (Instant Access).


Are condensate pumps wired to off/on furnace power switch?
If it's not plugged in, then it definitely is.

Are heat and ac ducts in the attic bad?

Are there any down flow furnaces that will qualify for the federal tax credit?
Any furnace 95% efficiency and higher will qualify for the federal tax credit.

Best type of ductwork for attic installation.
Insulated sheet metal ductwork.

Book for tips and tricks for ductwork.
My Ductwork Installation Guide book is full of "tips and tricks"! However, if $98.99 price for the book is too high for you go to this page and save.

Can a cold air return run along a floor?
Yes, in the joist space.

Can a gas line run thru a ceiling plenum?

Can a heat pump be installed under a crawl space?
Well, I do not know, but what do you have under the crawl space?

Can condensate from a high efficiency gas furnace discharge to a storm drain?
No, because it may get frozen.

Can condensing furnace pipes be run next to each other?
They should be run next to each other, but they shouldn't touch each other if of course you haven't any other choice.

Can flex duct be installed in a garage?
Yes, it can, but if you leave it exposed it will look ugly.

Can heat escape from ductwork in the attic?
Yes, if it's not sealed properly. Buy a duct sealant on the right.

Can I block my heating vents with insulation so heat doesn't go to my basement?
You cannot completely cut off heat to your basement and save, unless your ductwork is properly sealed and thoroughly insulated.

Can I close off an unused room without affecting my furnace?
Yes, get more info on this page.

Can I heat my basement with my existing gas furnace?
In the most cases, yes.

Can I install a heat exchanger in my return duct?
Here is a free PDF file where you can find an answer to your question. And you can buy a heat recovery ventilator on the right or on the left.

Can I make round ductwork from sheet metal?
It seems to me that you are a "die hard" DIY-er - just buy one at the box store!

Can I put a register on heater plenum?

Can I put a screen on my furnace vent pipe?

Can I run a gas line through attic?
If your furnace sits in the attic, how else can you run it, genius?

Can I run a return duct from my basement to my air handler?
If you have some room in your closet or you do not mind to build a chase then yes.

Can I run furnace exhaust through joists?
If you are talking about PVC exhaust then the answer is yes.

Can over stove microwaves be connected without having an outside vent being connected?
Well I have a page where you can see this kind of installation, read my comments there.

Can the dryer vent cause a co2 alarm?
I doubt that you have CO2 alarm, most likely it's CO! If your dryer vent is clogged with lint then your CO alarm may go off. Do not have one? Buy it on the right.

Can you hear noise through ductwork?
Yes, you can. However, try a duct muffler.

Can you install a furnace underneath a house?
In the crawl space - yes, but if you live in the a raised house I think your furnace could be easily stolen.

Can you insulate an electric furnace?
You can insulate whatever you want!

Can you insulate around power range vent?
If your vent is in the attic, then my answer is yes, you should insulate it.

Can you run water pipe through a cold air return?

Can you split an oval duct into two?
I have never seen it before.

Can you use a dryer vent to vent a microwave?
No, just vent it separate, what's the problem?

Can you use cold vents to pick up heat from basement?
Unless your house sits on a volcano, basements are usually much colder then upstairs. So what type of heat do you intended to pick up from there?

Central heating takes an hour to stop making a tapping noise!
Then what are you waiting for? Get a solution on this page.

Ticking Noise Elimination

If you did not finish your basement off yet then it would be relatively simple to fix. Also, if in your basement you have a drop ceiling then consider yourself as a lucky one, the most difficult task would be if your ductwork is covered with the drywall!..

Connecting to ducting to above oven microwave oven.
Find an answer on this page.

Correct way to seal furnace exhausts.
Yes, I saw some weird installation where joints were sealed. They were using high temperature silicone or aluminum foil tape.

Could you tap into a basement heat duct register to add one to the garage?

Distance between ERV vent pipes.
Here is a free PDF file where you can find an answer to your question.

Distance between fresh air and exhaust duct.

Do bathroom fans come with backflow preventers?
Normally yes.

Do I need a fresh air line in the cold air return with a heat pump?

Do I need b-vent for my 80 percent furnace?
If your old furnace was vented to the chimney, then you should use a chimney liner instead.

Do pipes make a clicking noise in a two-story house when the second floor is not being used?
Well, why not? Resolve this issue on this page.

Do you include basement in furnace BTU calculation?
Normally, yes.

Does a cold air intake on furnace increase efficiency?

Does a furnace condensate if it does not have a humidifier?
If this is a condensing high efficiency furnace it will condensate.

Does a gas-fired heater produce booming sound?
Normally not, yours requires a repair or maybe even a replacement.

Does duct insulation in an unconditioned basement save about the same amount of energy as exterior wall insulation?
I do not think so.

Draft inducer motor bearings went bad heat exchanger cracked.
I'm sorry to hear that, buy a new furnace. Buy it and get step-by-step guide how to install it on this page.

Ducts under house making noise when heat goes on and off.
Well, find a solution on this page.

Ductwork riser/offset what is the difference?
In general, riser, it's when your duct goes up or down or if you are mitering a smaller dimension (In 24 x 8 duct, its 8").
Offset, it's when your duct goes to the left or to the right or if you are mitering a bigger dimension.

Easiest way to cold air return metal panning.
You can use thermo-pan and staples.

Energy saving tips and explanation.
Yeah, I have quite a few of them, check them out here.

Energy Saving Edition

On my website I'm offering very important step-by-step guidance's how to implement EST and what is even more...

Fasten panning to joists.
You can use 1" sheeting nails or ¼" zip screws.

Fitting ductwork pictures.
You can find pictures of all fittings you want in Chapter Materials of my Ductwork Installation Guide book.

Fixing a squeaky draft inducer.
Just replace it.

Fixing popping noise in plenum.
Get info on this page.

Furnace filter got sucked into blower area.
Maybe it’s too dirty, and now you may need to replace the blower wheel. Buy one on the right or on the left.

Furnace keeps turning off fan sounds like water inside.
Tunings, condensate trap or condensate pipes might be clogged.

Got a new furnace motor, when it runs it rattles the floor, is this normal?
No, you should balance it.

Heat pump P-trap, should it be dry in the winter?
In the wintertime, you do not have condensate, so a p-trap may dry out. In general p-trap should be installed if an evaporator is installed on the intake side of the air handler. If it’s installed on the supply side p-trap doesn't allow air to escape through the condensate line.

High efficiency furnace installation pics.
You may find a lot of photos on this page.

How big does a sidewall cold air return vent need to be?
What is a sidewall cold air return? But in general cold air returns range from 14" x 6" to 48" x 6", sometimes by 10". And you can buy some on the right or on the left.

How can I make my furnace 2 zones?
Just to add one! If you do not know how please visit this page.

How do you build a duct heating system books?
I do not know too many books for this topic, but on my site, you can find some of them on this page.

Is It Possible to Have One Zone per Bedroom?

I'm a homeowner currently pursuing new construction of a 3200sqft home. The house will be well insulated (spray foam roof deck, wet-blown cellulose in 2x6 exterior walls, 1" foam sheathing, Superior Walls XI basement). The HVAC system will be a 4-ton ClimateMaster 27 geothermal heat pump with 2-stage compressor and variable blower.

How do you install a heat pump gas exhaust?
I have never heard about a heat pump gas exhaust, cause it is electrical, do you?

How do you tell the difference between the return vent and the supply vent?
Supply vent must have adjustable louvers.

How far apart should I place my heating vents?
Normally we put them under each window.

How far away for cold air intake should fireplace vent be?

How far does a sofa need to be from a return vent?
I think 1" - 3" is fine.

How much space does a 120000 BTU furnace heat?
The right answer to this question is - you should do a load calculation. However, there is a rule of thumb: 1 BTU for 35 square feet. That means that this furnace is good for a 3430 square feet house.

How to branch out ductwork from my furnace to heat my garage?
You cannot do it, because it's illegal.

How to connect s-cleats ducting?
I have a Chapter #40 in my Ductwork Installation Guide book where you can find info for this topic.

40. Cold Air Return Duct Installation#– the chapter covers a wide variety of the different aspects of work that is necessary to know in order to be able to install the cold air return duct, such as: how to take measurements and how to cut in a canvas, how to put together a duct, fold drives, and nail hangers. The chapter explains how to hang a duct if you are working alone or with a helper, how to install a cold air drop etc. In addition, there is a description on how to take a measurement and cut a piece of duct. Furthermore, the chapter explains how to make measurements and cut openings for cold air returns in the duct, and describes three ways on how to connect two ducts together. In the end, the chapter represents a few uncommon cases of the cold air duct installation.
The chapter has 72 pictures; 40 pages*, $3.50 (Instant Access).

#From the UMC 2000 aka CMC.
On 09/22/2013 text of this chapter was significantly modified and improved. Two pictures added.

How to find out an offset formula?
It is extremely simple, just go to this page and get all the info you want!

Offset and Riser Formula 

On this page you can find out how to calculate an Offset and a Riser, and formulas on how to find a distance between two flat and stack forty-fives and more!

How to increase airflow in bathroom wall registers?
Balance your system with the pipe dampers.

How to install duct boot in drywall?
I have a Chapter in my Kitchen Remodeling Edition book dedicated to this issue.

Kitchen Remodeling Edition

When it comes to the ductwork, kitchen remodeling requires resolving some of the most important issues, which could...

How to lubricate high efficiency furnace?
It is permanently lubricated.

How to make a double offset on sheet metal duct?
If your question is about making an offset and riser from the same piece of duct, the answer is here on this page.

How to make a room warm that does not have a cold air return?
I have a video #6 on this page dedicated to this issue.

How to replace draft inducer in Carrier furnace?
Watch a video on this page. And buy a draft inducer below.

How to replace furnace pressure switch?
Watch a video on this page. And you can buy one on the right or on the left.

How to secure end cap on rectangular duct?
There are two types of end caps: end caps for S-cleat drive-cleat connection and slip-on end caps. In the first case you should use S-cleats and drive-cleat, in the second one - a bottom punch or ¼" zip screws.

How to troubleshoot noisy heating ducts, rushing air sound, return air?
Find info on this page.

How to work with ductwork?
Purchase my Ductwork Installation Guide e-book and find it out for yourself

I have a chance of getting a Bryant plus 80 down flow furnace, I need a upflow one to replace the old junker in my house now. from what I see the Bryant might be able to be converted to upflow but not sure. the model of the Bryant is 376CAV048115 serial 1596A10205. it looks like I can take the blower that's on the top now an mount it under the heat exchanger so it blows the hot air upwards into the duct work. but maybe not?
Only allowed configuration is down flow or horizontal left or right. Not allowed to be upflow.
1996 model? Its pretty much a junker too. Not sure why anyone would sell an 80% furnace from 1996 with no warranty. Even less sure of who would buy a 20 year old unit for their house.








I have a small gas leak in my furnace do I need a new furnace.
Maybe you have to replace a gas valve. Buy one below.

I have loud noise from air units in my attic but I seem to be the only one who hears it, why?
Direct this question to your shrink...

I haven't had my furnace inspected in 5 years.
And I haven't had my furnace inspected in 12. So I have more chances to be listed in the Guinness book.

Is a rounded elbow better for airflow on furnaces?
Round elbow is always better then a rectangular one, but if your question is about a cold air boot, then you should use a rectangular one.

Is it ok for my exhaust on my high efficiency furnace to build a lot of condensate?
Well, if it runs through unconditioned space then yes.

Is it wise to close off heating and air registers in order to reduce energy costs?
Absolutely, however you may need get more info on this page.

Is mold normal just above the air conditioner coil main duct?
Of course not!

Is there a bad spot to put a cold air return in a furnace?
Yes, it’s not a good idea to put it at the back side of the furnace's jacket.

Is there a p trap under my furnace?
Unless your high efficiency furnace is installed horizontally it should be inside.

Is there anything that can be done to make ductwork stop making noise?
Yes, and you can find a solution on this page.

Lack of return air causing condensate blow off.
No, it's rather the one-sided path of air making this happen, but get more info on this page, BTW it’s free.

Leaks around air return at furnace entrance.
Seal it with the duct sealer or silicone. Buy it on the right.

Long running furnace hurt heat exchanger?
Bad chambers are usually related to the age of the unit. Expanding and contracting of the metal over time will rust it.

Magnetic register covers to shut off' forced air furnace registers in unused room.
You can use them, but you should use them wisely! Get more info on this page.

Moving gas furnace to the basement and running ducting to the two-story house.
My God! It's what my Ductwork Installation Guide e-book is all about!

My air ducts run from a silver foiled box.
Right, they named it plenum.

My cold air return for the furnace is on the wall on my bottom level, does this mater?
Well, it's not the best place for your cold air return, but what else can you do?

My high efficiency furnace cycles on and off a lot is this correct?
No, re-read your thermostat manual again.

Pictures of how to make an offset on ductwork.
On this page, you can find them a lot.

Problem with hvac, one thermostat is controlling both zones.
This is wrong you should have two. Buy one on this page.

Should you put filters on your heat vents?

Terrible furnace installation photos.
If you got a "Terrible furnace installation", take some pics and send them to me. I will publish them on the "Wall of Shame" or "Wall of Ignoramuses" pages of this site.

What happens if I oversize my air handler?
It will short cycle, and it won't remove enough moisture.

What happens when you block off all heat vents?
Are you crazy? Just turn off your furnace!

What kind of drill bit do I need to drill through a duct pipe?
Drill bit for metal.

When furnaces are in crawl spaces and attics, where is a humidifier put?
In the crawl space and in the attic.

If you are unable to find an answer to your question, try links to the other pages of this kind below.
Please follow the links provided on these pages, they would lead you to the free or paid pages on my site or even to the other sites where you can get your question answered!
If you are still cannot find an answer to your simple question, just ask it on this page.
If your question requires more than simple "Yes" or "No" or one sentence to answer, please ask your question on this page. Price for the question is only $1.34 and if I have already a paid page with the answer to your question, you will pay nothing. If that page is pricier that $1.34 you will pay for the page, but I will refund your money back to your PayPal account.
If I do not have an answer to your specific question, I will refund your money as well.

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Fantech SHR 1504 HRV 50 

Product Description

Fantech SHR 1504 heat recovery ventilator feature and specification compact design, backward curved blade motors electrostatic filters (washable). Aluminum heat recovery core. External screw type dry contacts improved core guide channels for easy removal of core specifications and ratings. Total assembled weight: 45 Lbs…etc.

Amana B1370142 [Misc.] Pressure Switch 

Product Description Amana, Goodman, Janitrol .60"WC, 2-Wires, 1-Hose, Furnace Pressure Switch

Rheem Ruud Weatherking Factory OEM Protech Parts 42-24194-82 Furnace Pressure Switch 

Customer Review 

This is a very simple and straight forward replacement. The pressure switch ensures that sufficient fresh air is available for combustion in the furnace. When the switch fails, the furnace will not turn on. This kit provides the new switch, mount and new hose. Hose and electrical adapters are included but were not needed on my application.
CO2, Temperature and Humidity Data Logger 

Product Description

The Portable Environmental Data Logger records carbon dioxide, temperature, and relative humidity levels so you can create a graph of indoor air quality over time. This makes it an invaluable tool for HVAC professionals who need to test a building's air handling system. Using its built-in memory, the logger "wakes up", takes a reading, stores it in memory, and goes back to sleep. Up to 5,400 readings can be taken over up to 10 days for a complete picture of a building's indoor air quality. Once the data is recorded, use the included USB cable and free software to download it to your PC. The software lets you view graphs, or save the data in a standard spreadsheet format for further analysis.
First Alert CO615 Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display 

Customer Review

I have no desire to save a few bucks on a CO detector when it could put your life in danger, and bought it on the recommendation of a consumer reports rating. It plugs into the wall with a battery backup, was highly rated by consumer reports and gives me the peace of mind that I have a reputable detector in case I need it. So far I have no complaints.
Carrier LA21RB549 Furnace Blower Wheel

Product Features

• Blower wheel for furnace replacement and repairs
• Use for many Carrier Bryant brand

• Composed of metal and has a 5.25 inch diameter
Dap 08781 10.1-Ounce Clear Silicon Plus Premium Silicone Rubber Sealant 

Customer Review

This does what it says, it will caulk/seal gaps and is 100% waterproof after it has fully cured. I used this in my shower and have had no problems with this.
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