HomeCalc Pro Blog
The HomeCalc Pro Blog offers practical advice, expert tips, and data-driven insights to help you make smarter decisions for your home improvement and financial projects.
Foundation Footing Depth for Cold Climates: 2026 IRC Rules
A deep dive into 2026 IRC requirements for foundation footings in cold climates. Learn about frost line maps, thickened slab edges, and protecting foundations from frost heave.
EER vs. SEER: Clarifying the Two Key Efficiency Metrics in 2026
Learn the difference between EER and SEER ratings for air conditioners. Understand why SEER is a seasonal average and EER measures peak performance.
Air Sealing First: Why Caulking and Weatherstripping are Better Investments Than New Windows in 2026
Before spending thousands on new windows, learn why air sealing common leaks in your home offers a much higher and faster return on investment for energy savings.
Heat Pump vs. Gas Furnace: Which is Right for Your Climate Zone in 2026?
An analysis of heat pumps and gas furnaces. Learn the pros, cons, and operating costs of each to determine the best heating system for your home's climate.
Ductwork Design (Manual D): The Unseen Key to HVAC Performance
Your HVAC system is only as good as its ductwork. Learn what ACCA Manual D is, why it's critical for airflow, and how improper ducts waste thousands in 2026.
What is AFUE? Understanding Furnace Efficiency Ratings
A complete guide to AFUE (Annual Fuel Utilization Efficiency). Learn what the percentage means, the difference between 80% and 95% furnaces, and how to choose the right one in 2026.
HVAC Sizing Guide 2026: Stop Guessing, Start Calculating
The definitive guide to sizing your air conditioner and furnace in 2026. Learn why the '500 sq ft per ton' rule is obsolete and how Manual J calculations ensure perfect sizing.