What size central air conditioner do I need for a 3000 sq ft home?

Tonnage Table

Area (Square Feet):	BTU	Tonnage
2,700 sq ft	54,000 BTU	4.5 Tons
3,000 sq ft	60,000 BTU	5 Tons
3,300 sq ft	66,000 BTU	5.5 Tons
3,600 sq ft	72,000 BTU	6 Tons

Why would a house have 2 HVAC units?

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.

How many sq ft can a 2-ton AC cool?

	ZONE 1	ZONE 2
1.5 Tons	600 – 900 sf	600 – 950 sf
2 Tons	901 – 1200 sf	951 – 1250 sf
2.5 Tons	1201 – 1500 sf	1251 – 1550 sf
3 Tons	1501 – 1800 sf	1501 – 1850 sf

How big of a furnace do I need for a 3000 sq ft house?

(Example 2) 2000 sq ft houses need double the furnace capacity compared to 1000 sq ft house. What Size Furnace Do I Need For A 3000 Square Foot Home? (Example 3) Furnace size for a 3,000 square foot home range from 105,000 BTU to 180,000 BTU, depending on the climate zone you’re in.

How many tons of refrigeration in six hundred square feet?

Six hundred square feet equals one ton of refrigeration. (0.0016 tons/square foot) Using this calculation can help you determine which size air conditioner to buy for the square footage you have. The more square footage you have, the more tons of refrigeration you need in your air conditioning unit.

How big of an HVAC unit do I Need?

If your BTU requirement is between sizes, simply go with the bigger unit. For example, the Manual J calculation may say you need 25,000 BTUs for cooling. But your HVAC dealer only has air conditioners that handle 24,000 or 30,000 BTUs. Choose the 30,000 BTU unit to make sure your comfort needs are covered.

Why do you need two AC units in your home?

This may be one of the most important reasons for having two AC units in your home. 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.

How to determine the perfect HVAC unit size?

The best way to determine the perfect HVAC unit size is to have a Manual J calculation done for your house. The Manual J calculation is the most precise measurement available because it considers factors like:

How much does an AC unit cost for a house?

Average cost of an AC unit for a house. The smallest AC unit 1 ton (12,000) costs $1,800-2,000. The most popular unit size is 2.5 tons, and it costs $3,500 – 4,500. Very powerful 5 ton units cost $6,000. In general, you can roughly add $800-1,000 for each additional ton, as the units go up in size.

How much does it cost to install central air in a house?

If the house does not have a ductwork system, the cost of installing central air will skyrocket to as much as $8,000-10,000+ Prices for central air units vary primary based on size (tonnage). The smallest AC unit 1 ton (12,000 BTUs) costs $1,300 – $1,700.

How many zones for 2 story HVAC system?

I’ve been in several 2 story houses with 2 units and across the board, a nice even temperature between both floors. Local company indicates they can install as many as 8 zones on one system. Another expense would be 8 thermostats and I am partial to the Nest Thermostat so there goes another big chunk of change for thermostats.