About Us
About Cooling Load Guide
Cooling Load Guide was created to simplify one of the most confusing parts of home comfort: choosing the right air conditioner size.
Many homeowners search for answers like:
- What size AC do I need?
- How many BTU per square foot?
- Is 3 tons enough?
- What does tonnage mean?
Unfortunately, most answers online are either oversimplified or technically overwhelming.
Our goal is simple:
To provide clear, practical, and data-backed air conditioning sizing guidance for homeowners across the United States.
What We Focus On
We specialize in:
- AC size by square footage
- State-specific cooling requirements
- BTU and tonnage calculations
- Cost comparisons
- Efficiency considerations
- Common sizing mistakes
All content is based on HVAC industry standards, including:
- BTU per square foot calculations
- 400 CFM per ton airflow rule
- Climate zone adjustments
- Manual J load calculation principles
Who This Site Is For
Cooling Load Guide is designed for:
- Homeowners replacing an AC unit
- First-time home buyers
- DIY researchers
- Anyone trying to understand HVAC sizing before speaking with a contractor
We do not sell HVAC equipment.
We do not provide direct installation services.
Our content is informational and designed to help you make more informed decisions.
Important Disclaimer
Cooling Load Guide provides general sizing estimates for educational purposes only.
Final system sizing should always be confirmed by a licensed HVAC professional using a Manual J load calculation.