1. What is the AC Unit Cost Formula?

The AC unit cost formula estimates the cost of an air conditioning system based on your home's square footage and the cost per ton of cooling capacity. This calculation helps homeowners budget for new AC installations.

2. How Does the Calculator Work?

The calculator uses the following equation:

Where:

• 400 sq ft — Standard area cooled by 1 ton of AC capacity
• Home Square Footage — Total area to be cooled
• Cost per Ton — Current market price for AC units per ton

Explanation: The formula first calculates how many tons of cooling capacity your home needs, then multiplies by the cost per ton to estimate total system cost.

3. Importance of Proper AC Sizing

Details: Properly sizing your AC unit is crucial for energy efficiency and home comfort. An undersized unit will struggle to cool your home, while an oversized unit will cycle too frequently, reducing efficiency and comfort.

4. Using the Calculator

Tips: Measure your home's total square footage accurately. For the cost per ton, check current local prices as they vary by region and equipment type. The result is an estimate - actual quotes may vary.

5. Frequently Asked Questions (FAQ)

Q1: Is 400 sq ft per ton always accurate?
A: This is a general rule. Actual needs vary by climate, insulation, windows, and other factors. A professional load calculation is more precise.

Q2: What affects cost per ton?
A: Equipment efficiency (SEER rating), brand, installation complexity, and regional labor costs all impact price.

Q3: Should I get multiple quotes?
A: Yes, always get 3-5 quotes from licensed contractors to compare prices and equipment options.

Q4: Are there additional costs?
A: Yes, ductwork modifications, electrical upgrades, or permits may add to the total cost.

Q5: How often should AC units be replaced?
A: Typically 10-15 years, but proper maintenance can extend lifespan while older units become less efficient.