SEER Calculator
Use our free SEER Calculator to quickly estimate your energy efficiency savings, based on key inputs like SEER rating, cooling capacity, and electricity costs. Perfect for homeowners and HVAC contractors.
Get StartedSystem Parameters
Energy Cost Analysis
kWh/year = (BTU/hr ÷ SEER ÷ 1000) × Annual Hours
Annual Cost = kWh/year × Rate ($/kWh)
New System Annual Cost
$0.00
New System Energy Use
0 kWh/yr
Current System Energy Use
0 kWh/yr
All calculations are estimates and should be verified by a professional.
SEER Formula
Knowing how to calculate your SEER savings is as simple as using this formula. Your result shows how much energy cost you're incurring annually depending on system efficiency. Not a fan of doing the math manually? Plug your numbers into our free SEER Calculator for instant results.
How this SEER calculator works
This calculator estimates your annual cooling energy cost by dividing total system BTUs by the SEER rating, then multiplying by your electricity rate. It provides a fast, accurate way to compare energy efficiency across systems.
When to use this SEER calculator
When comparing different HVAC systems before buying
To calculate savings from upgrading to a higher SEER unit
While budgeting household utility expenses
For recurring HVAC service and maintenance proposals
To benchmark system efficiency against industry standards
Want to make your HVAC projects smarter?
Use ServiceAgent.ai to automate estimates, manage proposals, and track profitability—all from one dashboard.
Book a Free DemoAverage Profit Margins by Industry
Understand how HVAC compares to other service industries. Below are typical profit margin ranges across common service businesses:
HVAC Contractors
10–20%
Electrical Contractors
15–25%
Plumbing Contractors
20–35%
Roofing Contractors
20–40%
Cleaning Services
50–70%
Lawn Care
40–60%
Construction/Contracting
15–30%
These benchmarks help HVAC professionals and homeowners assess whether efficiency upgrades and service costs are both competitive and profitable.
Frequently Asked Questions
How accurate is this SEER calculator?
This calculator provides a reliable estimate using SEER ratings and your electricity rate. Actual costs may vary by climate and usage.
What affects energy savings the most?
Key factors include SEER rating, cooling capacity, usage hours, and local electricity prices.
Can I use this for both AC and heat pumps?
Yes, enter the SEER rating and capacity for your unit to get an accurate estimate.
Is this calculator useful for businesses?
Absolutely. HVAC contractors can use it for quick, consistent proposals.
Can I customize electricity rates or BTUs?
Yes. Enter your actual rate and system details for the most accurate results.
Does the estimate include installation or maintenance costs?
No. It only calculates energy costs; add installation or service fees separately.
Can this be used for both residential and commercial systems?
Yes, just input the correct BTUs and SEER rating for the system.
How does this integrate with my workflow?
Pair it with ServiceAgent.ai to automate quotes, proposals, and efficiency tracking.