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Look at radiant heat barriers. I put this in my attic and it really works great with ridge vents. I stapled it to the bottom of my rafters. You will want to work on it when it's cooler like in the...

Good point.

So at what point would it make since to replace the equipment with more efficent? I guess it would depend on what the most exspensive thing is to replace in the unit.

What is the typical life span of an HVAC unit in your agerage house today?

10 years?

I was talking to one of the contractors here that does the spray foam insulation about doing my crawl. He said for the same money he would not do the crawl but do the roof instead. He said I would...

I'm looking at the cost to change my crawl to a conditioned space. This is a 5,000 sq/ft 1 1/2 story house in west Tn. I haven't measured the first floor space yet but I would guess it at 2500 sq/ft....

I have a fairly new home with 4 units. The two units on the first floor don't get as dirty as the ones on the second floor because I have hardwood down stairs and carpet up stairs. The carpet makes a...

and there you go......this is a perfect example

I had a house with a "conditioned" garage and all the walls at doors were insulated. The garage in the winter stayed about 50-55 and the summer I would say about normal with less humidity. I would...

I have checked the flapper and it looks to be working right. The length of the hose is not very long. Do you think adding more length to the hose help any?

With these really cold conditions these past few days I have noticed I have cold air coming into my house through the vents in the bathrooms. This is a house only 4-5 years old and the only thing...

:rolleyes::rolleyes::rolleyes:

I would call someone :D

Do a rearch for "Radiant Heat Barrier"

This is a DIY project that works for a solution to high heat in the attic durring summer. This system works best with ridge vents, not power attic fans.

I understand but at what point would it be at 50%. Can you give an example?

I did a search on this subject here on this forum and the results were great! This could help so many people!

Thanks guys

Has there been a study to back up this? is this fact or theory?

It does make more since to use less cycles especially with an over sized unit. I have changed mine from 4 to 3 per hour and I'm...

so if the setting were changed to 3 then it could only call for heat 3 times an hour (every 20 min) even if the thermostat called for it more?

If I understand this right then I could change this...

I bought some new Honeywell digital thermostats and in the instructions it says to set up the cycle lengths to fit the type equipment I have. I have Trane forced air gas heat/AC units. The...

I have timed all 3 of my units and all three take 5 to 6 min to bring the zone from 1 degree below set temp to one degree above set temp. This is in heat mode and I have timed it with the outside...

looks like you have noticed the samething I have.
This is the reason I started this thread http://hvac-talk.com/vbb/showthread.php?t=187321

I hope some smart pros here have a solution

what about building a box out of foam board insulation to place over this duct?

I have a 3 ton unit in my attic and a single return that is in the ceiling in the hall. The contractor that built this house used large flex duct with what looks like maybe R6 insulation on it. With...

all I have to add here is if you install this stuff then on a hot day go up in the attic then you WILL see what everyone is talking about. For the money, this is a good DIY project with a good return...

I wanted to post what I have found after installing RB in my attic. I stapled this to the bottom of my rafters and took out my power attic fans and installed ridge vents. I'm in Tennessee and we have...

looks like someone will be greasing the meter :D

I wonder how loud they are. I bet you can heard them from the street! :p

do a search on "radiant barrier"

it works great with a ridge vent!

I'm installing mine now and it works! I can tell a difference as soon as I get an area done.

this is where I bought mine...