DukeSilver

Thanks.

Ended up going with a 16 Seer variable speed Ruud full replacement. He came down on his price a little to where it wasn't that much more over the 14 so figured might as well.

14 would be single speed and 16 variable. Although I’ve read the 14 these days are more like 14.8 and motors these days are almost a small version of variable?

I’m not moving. Both would have 10 year parts and labor. Just not sure the price difference is justifiable since they’re all prob gonna go out shortly after that 10 year mark. Unlike the older ones that seemed to be able to go 20 years.

Good deal, I appreciate your responses.

quote:

---

As an aside, just so you’ll know, a very knowledgeable HVAC tech would use a total external static pressure (TESP) to estimate the volume of air flow. Static pressure is a measure of resistance to air flow, and it equivalent to measuring blood pressure in a human - too high is not good. Simple measurement, using a manometer and drilling 2 holes, 1 in the return air plenum, and another on the supply side - takes 10 min max. If the return air static pressure is excessively high, then the return air volume is too low, ditto for the supply side. Here short video to help explain

---

So this test should be done after install (and additional return is added) to confirm everything is flowing properly?

Also is there anything I need to look out for in regards to the ducting and room registers other than making sure the ducts are well insulated and hung properly with no sharp turns or is there anything else to it? Anything to look out for with the registers in each room?

I see the normal recommendation is 200 square inches of return grill per ton, so 1,000 for a 5 ton unit. That’s about what I’m at currently but feel like I need an additional return put in due to the layout of my house with multiple areas of vaulted ceilings.

My 2 current returns are on one side of the house and considering of adding another one on the other side.

Is going over 1000 and adding a return to the side of the house without one a bad call?

If you have an iphone just get airpods especially on sale.

I’ve been downvoted by 7 of the 12 people.

Such a shame its Peacock.

Slow Horses by Mick Herron
The Terminal List series by Jack Carr
John LeCarre spy novels
The Day of the Jackal by Frederick Forsythe
Girl With the Dragon Tattoo by Stieg Larson
Mystic River by Dennis Lehane
Power of the Dog by Don Winslow