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Great info. thanks. I don't want to get into a ductwork debate but depending on using metal or duct board what else should be required? Dampers on each supply etc...

I'm planning on going to the local home show and look for a contractor to install a new heat pump and ductwork. What questions should I use to weed out potential contractors?

I spoke with an HVAC contractor and he made the statement about also having returns in the ceiling which would be in the attic. This seems counterproductive putting the ducts in an unconditioned...

Thanks for all the assistance. The current unit is in the basement with the ductwork running the distance of the house between the first floor and the basement. The supplies are in the floor. The...

The return chase is only the space between the 2X4s and the drywall. So it's very limited.

The interior wall voids are used for returns on the current system. I plan on upgrading the ductwork and would like to continue to use the current returns since they exist in each room(except...

What is the best way to seal wall voids used as returns for a heat pump? Is there some other preferred method? Thanks in advance...

Can you give me one or two companies you would recommend?

Looking for an HVAC contractor in Salisbury, NC that will service mobile/modular homes and provide quotes for a new system. I posted previously but now that its getting warm agian they are realizing...

Thanks for the feedback. I was told the disconnect should always be attached and power to AC unit. What are everyones thoughts?

Wife threw it in the garbage. I saw an AC disconnect at Lowes for like ten bucks but if a replacement was available it would make it easier.

Is it possible to get a Non fusible AC Disconnect replacement plug if one was lost?

Currently I have an older Bryant Heat Pump. I also use a pellet stove to supplement heat in our main living area. An energy audit was performed a few years ago and some additional sealing and...

What is the best heat pump for the heating season? We live in the woods and need A/C only a few weeks out of the year and have more of a need for heating.

The current returns are voids in the walls and not sealed. They would install metal ducting into these voids!

A scenario that was brought up deals with cutting the top plate and inserting metal ductwork through there. Wonder what the pros and cons would be and I can think of a few cons.

What about insulating the sill plate and placing some type of foam board above the returns highest vent? The installer will also have access from below to insert metal ducting for most areas. ...

The HVAC company said it would be absurd to use a central return if I have them in each room. The returns that use the floor joists are minimal so they will just use duct board to seal the bottom...

I have upper and lower returns in each room and I should go to one central return?

Thanks for the pictures. I noticed online they showed metal duct being inserted from below to fill the cavity.

Wouldn't it require extensive drywall work to get some type of duct in the cavity?

Metal duct work is an option but I don't want to rehash that debate in this thread. Just say I did do metal should it be insulated? Half the duct runs in between conditioned space and the other is...

The mouse situation is much better and I keep on top of it. All the returns are within interior walls with upper and lower vents. The supplies are all located toward the outside of the structure. ...

The reason were replacing the duct work is because they had issues with mice prior to use moving in and some of the duct board was replaced at that time.

Yes, just the wall cavities are used as returns. No duct is running through the cavities. Will the size of the ducts be affected by the type of system?