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Can a single return suffice for AC in a two|story house?


Can a single return suffice for AC in a two-story house?

Replies ... Richard, There is no simple answer to your question. A well-designed forced air distribution system (as I'm sure you know) needs to ...

return air on second floor - HVAC-Talk

You do need a return on each floor and a return "path" from all rooms .back to the main return ,as a minimum . Dash, under the scenario of a second story with ...

2 story home, only 1 upstairs return register - InterNACHI® Forum

For a truly balanced system, each room that has a supply should also have a return. If you are pumping cool air into a hot room and the door is ...

How many air return vents are appropriate in a 2-story house? (For a ...

My HVAC guy installed two 20x20 return air vents in a new 1700 sq ft house, so your return vents are already undersized.

The Problem With Your Big Central Air Return

In an ideal HVAC design, your home would have an air return in every bedroom. However, in many two-story homes – and in homes where the ...

HVAC question - multiple returns vs one return. : r/HVAC - Reddit

One central return in the hallway, though not the best, is acceptable and could be the most cost-effective solution to whatever problem as long ...

HVAC Design -- returns necessary on each floor?

You can get by without a return in every room, though it would be best to have a return in each room. But, you do want a return on every floor.

How Many Return Air Vents Do I Need? - The Duct Kings

When contractors initially set up central air, they put in a solitary big return vent someplace central in the house. This isn't the most effective system.

Return Air Duct placement 2 story great room DESIGN DILEMMA!

Generally unless your HVAC was designed holistically - you are likely to have suboptimal placement of most returns, and very little ability to ...

What would happen if I had 2 HVAC units share a common return air ...

I am working on the deisn for a two story single family residence ... can push is already outside of the house. On the hot-air-rises ...

HVAC for 2 stories: 2 systems or single zoned unit?

Option 1: 2 separate systems, 1 for each floor. I like the redundancy factor. The obvious downside, ,the cost of 2 units and maintaining them on a yearly basis.

Can I cap the air return in my unfinished basement?

It is difficult to imagine than any duct work is so bad that only having a single return would cause any issues. If that is the case, the ...

Thread: Converting a home with one AC unit to a dual zone????

The home we moved into is a two-story, built in 1965. Its on a single heat/air zone (is that the right term?). We will rarely ever go upstairs ( ...

Should You Add Zones to Your Existing HVAC System?

In two-story homes, a lack of zoning can lead to hot upstairs rooms ... But you're using a “standard,” single-stage air conditioner with a single- ...

Should I add a second air conditioning unit or enlarge the existing ...

However, you can "limp along" the old A/C for awhile. But in that case I would install a second newer system alongside it both to increase ...

4 Reasons Why One Room Is Hotter Than the Rest of the House

Your home could be poorly insulated. · Added insulation can ensure that the cool air produced by your AC stays inside your home. · Your air vents play a big role ...

Does a 2 Story House Need 2 AC Units? | Wichita

If one of your air conditioners were to break down, you will have another unit still operating. While this lone unit won't be sufficient to cool your entire ...

Here's Why You Shouldn't Block Cold Air Returns - Sobieski Services

If your HVAC system is new, your home may have several return registers. If your system is older, you probably have supply vents in every room but just one ...

Single-Hose vs. Dual-Hose Air Conditioners | Elite HVAC Blog

For starters, dual-hose versions operate more quickly as it has a more efficient air exchange process. This portable air conditioning unit has two hoses, one ...

When Do Door Undercuts Suffice for Return Air? - ACCA HVAC Blog

In that article I mentioned the issue of undercutting the bedroom doors as the standard method many homes used as a return air pathway. The air ...