Is It Better To Have Two AC Units Or One?

by | Last updated on January 24, 2024

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Two units

allow for an easier time balancing the desired temperature in your home. Generally, one area of your home will be warmer or more difficult to cool than another. In a two-story home, the upstairs area is often warmer, as warm air rises. Having two AC units in your home can help balance out the temperature.

Is it cheaper to run two AC units?

Purchasing two central air-conditioning units can

be more expensive initially

than purchasing a single unit, but the cost difference may not be as much as you think. You need either two smaller units or one larger unit to run the entire house. The added cost of the second unit may be offset by the energy savings.

Is it better to have two small air conditioners or one large?

And if you want to cool a large, open L- or T-shaped space, you're better off with

two smaller units rather than one large one

. “The goal is to keep the cold air from pooling on the floor,” explains Hank Rutkowski, director of technical affairs for the Washington, D.C.-based Air Conditioning Contractors of America.

Can I add a second AC unit to my house?

Zoned Systems–

Yes you can have a single unit with two or more

. This will cool the house evenly as well. The zones system has dampers in the ductwork the open, close to regulate airflow, and temp in each zone. A regular central air system pushes to the entire house.

How many AC units do I need for a two story house?


One AC Unit

for Two Story Home? Having one AC unit for two story home can be done. You will need a dual zone AC with one unit that powers both air conditioners. Having two AC units in your home (upstairs and downstairs) can help balance out the temperature.

How much does an air conditioner cost for a 2000 sq ft home?

Installing a central air conditioner into a 2000 square ft. home with an existing forced air furnace heating system (that has all ductwork installed properly) would cost

between $3,000 to $4,000

.

How do you put an air conditioner in the second floor?

You can increase airflow to the second floor

by adjusting the HVAC dampers

. During summer, partially or fully close the dampers for the first-floor to force more air to the second-floor vents. If you cannot locate the dampers or your HVAC unit does not have them, you can close the registers on the first floor.

What size room will 5000 BTU cool?

“5000 BTU air conditioner can cool a

100 to 150 sq ft room

.” Energy Star guidelines for 5000 BTU AC room sizing also recommends that you: Increase capacity for a room with high sun exposure; +10% cooling output. That would reduce the 5000 BTU AC room size to 90-135 sq ft.

Is 5000 BTU enough for a living room?

A 5,000 Btu air conditioner can effectively cool a

room that measures 100 to 150 square feet

, according to a basic industry standard.

What size room will a 12000 BTU cool?

Cooling Capacity (BTU): Room/Area Size: 12,000 BTU air conditioner room size:

500-600 sq ft
14,000 BTU air conditioner room size: 600-700 sq ft 16,000 BTU air conditioner room size: 700-800 sq ft 18,000 BTU air conditioner room size: 800-900 sq ft

How much does a 2 zone HVAC system cost?

Number of Zones New Construction Existing Home Two Zones

$1,500 to $1,850


$2,000 to $2,500
Three Zones $1,850 to $2,100 $2,200 to $2,850 Four Zones $2,000 to $2,500 $2,650 to $3,300 Additional Zones $225 to $350 per zone $335 to $500 per zone

How much is a dual AC unit?

Equipment Tier Furnace & AC Dual Fuel Basic $3,600 to $6,000

$4,150 to $6,825
Better $4,500 to $8,250 $5,250 to $9,100 Best $6,300 to $11,750 $7,150 to $12,450

How big of an air conditioner do I need for a 3000 square foot house?

Area (Square Feet): BTU Tonnage 2,100 sq ft 42,000 BTU 3.5 Tons 2,400 sq ft 48,000 BTU 4 Tons 2,700 sq ft 54,000 BTU 4.5 Tons 3,000 sq ft

60,000 BTU


5 Tons

Do you need 2 AC units for a 2 story house?

In a two-story home, the upstairs area is often warmer, as warm air rises. Having two AC units in

your home can help balance out the temperature

. … This allows you the freedom to keep the downstairs at a more comfortable temperature for the areas you use, without using the energy to cool the entire home.

Why is the upstairs of my house so hot?

Blame physics: hot air rises while cold air sinks. That means your upstairs

typically gets hotter than your lower levels

, even if your air conditioner's working in overdrive. Your roof's hot, too: Unless you have shady tree cover, your roof absorbs a ton of heat from the sun.

Why is it so hot upstairs but cold downstairs?

If you often ask yourself why my house is hot upstairs and cold downstairs,

your ducts

may be to blame. Leaky ducts lose heated or cooled air in the unconditioned areas of your home before it reaches your living space. … To check your ducts, turn on your air conditioner and go into the ducts' location.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.