Blog Category: Hvac
Explore all articles and guides related to "Hvac". Find expert tips, cost analysis, and project checklists to help you succeed.
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EER vs. SEER: Clarifying the Two Key Efficiency Metrics
Learn the difference between EER and SEER ratings for air conditioners. Understand why SEER is a seasonal average and EER measures peak performance.
Heat Pump vs. Gas Furnace: Which is Right for Your Climate Zone?
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.
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.
The Manual J Load Calculation: Why It's the HVAC Gold Standard for AC Sizing
ACCA Manual J is the mandatory gold standard for determining your home's HVAC load. Learn why sizing by square footage is dangerous and the critical inputs (R-Value, Climate Zone) required.
The True Cost of a Low SEER AC Unit (Why the Price Tag is Deceiving)
The initial savings on a low SEER air conditioner are often dwarfed by high lifetime energy costs. Learn the difference between SEER and SEER2, and how efficiency impacts your savings.
Insulation R-Values: What They Mean and Why Your Home Needs More
Understand insulation R-values, how they slow heat transfer, and the minimum R-values required by the IECC based on your specific Climate Zone for maximum energy efficiency.
Climate Zones 101: Why Your Location Dictates Your HVAC Size (DOE Zones Explained)
Understanding the DOE Climate Zone Map is vital for home efficiency. Learn how your zone (from Zone 1 to Zone 7) determines insulation R-values and your mandatory AC size.
The Hidden Costs of Oversized Air Conditioners (And How to Avoid Them)
Is your house cold and clammy? You may have an oversized AC. Learn the hidden costs of oversizing, from $800/year in wasted energy to cutting your AC's lifespan by 40%.
Manual J Explained: What Your HVAC Contractor Should (But Won't) Tell You
A deep dive into the industry-standard method for HVAC sizing that most homeowners have never heard of.
5 HVAC Sizing Mistakes That Cost Homeowners Thousands
Learn to identify and avoid the most common and costly mistakes contractors make when sizing new air conditioners and furnaces.