Central AC Size(Btu), SEER, Cost 3-in-1 Calculator

1)In what state is your home or project located?

2)Your Home Size (sf)?




Note For Recommended Size: 
This is an estimated size according to your location’s climate and home size.

The real size is the result of factors related to your home’s construction. In short, homes with more insulation, energy-efficient windows and doors and light-colored roofing need fewer Btu’s of cooling. For more info, you can read: How to Choose Right Ton (Size) for Your Home

Note For Recommended SEER:
This is an estimated SEER which is proper for your location’s climate and home size. The real and proper SEER will change according to the following factors:

Moist air is harder to cool, so if high humidity is common in your area, then getting a more efficient (higher SEER) AC Units will reduce energy costs and make your home more comfortable.The longer you intend to live in your current home, the more cost-effective a very efficient central air conditioner will be because its higher cost will be recouped when spread over more years.For more info, you can read: What Efficiency (SEER) is Right for You?

Note For Estimate Cost:

This is an estimated average price based on above size and SEER. Price will change according to your location, house’s insulation and contractor quality. If you want to get an accurate local price, you can use our free estimate tool.

Share Your HVAC Quote/Cost

Share Your HVAC Quote/Cost

We rely on readers like you to share your HVAC system cost or quote. It really helps other visitors to estimate the cost of a new HVAC unit.

ie: Tranx XR13, Lennox xp15
Include Ductwork Replacement? *

6 thoughts on “Central AC Size(Btu), SEER, Cost 3-in-1 Calculator”

  1. i would like to purchase an air condition unit the brand carrier i do not know the size to buy i need your help with that thanks

  2. live in tampa florida area, replacing upstairs a/c unit 3300sf 2story 23yr home. need new tstat and replace existing air ducts for upstairs unit. roof med gray colored shingles, med efficiency windows, doors & insulation. work from home family of 6 like to keep house very cool 24hrs. please assist us with what size and seer level will do this looking for best possible cost. Thank you


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