HVAC Learning Center
The most comprehensive library of residential HVAC information on the internet.
Spotlight Resources
Our Comprehensive Learning Tracks
Learning tracks are a fun way to learn more about our products and the services we offer.
What Is HVAC? Basics of Heating and Cooling
Class 1 of 10
Class 1 of 10
What Is an HVAC System and How Does It Work?
Class 2 of 10
Class 2 of 10
How Does an Air Conditioner Work?
Class 3 of 10
Class 3 of 10
How Does a Heat Pump Work?
Class 4 of 10
Class 4 of 10
How Does a Furnace Work?
Class 5 of 10
Class 5 of 10
What's a Humidifier? And How Does It Help Indoor Air Quality?
Class 6 of 10
Class 6 of 10
Whole House Dehumidifiers: How They Work and How You Benefit
Class 7 of 10
Class 7 of 10
Ductless Mini-Splits 101: What They Do & How You Benefit
Class 8 of 10
Class 8 of 10
Indoor Air Quality: Air Filtration & Air Purifying HVAC Products
Class 9 of 10
Class 9 of 10
What Is a Dual Fuel HVAC System?
Class 10 of 10
Class 10 of 10
How Does an Air Conditioner Work?
Class 1 of 6
Class 1 of 6
Cost of an Air Conditioner in 2023: Replacing Your AC Unit
Class 2 of 6
Class 2 of 6
What's The Right Size of Air Conditioner for Your Home?
Class 3 of 6
Class 3 of 6
One-Stage, Two-Stage & Variable-Speed ACs: Differences & Benefits
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Class 4 of 6
What’s a Seer Rating? - Buying a New Air Conditioner
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Class 5 of 6
How Long Do Air Conditioners Last?
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Class 6 of 6
Air Conditioning System Installation Process From Start to Finish
Class 1 of 8
Class 1 of 8
How long does it take to install an air conditioner?
Class 2 of 8
Class 2 of 8
Cost Savings of a New Air Conditioner
Class 3 of 8
Class 3 of 8
Changes in HVAC Refrigerants: What You Need to Know
Class 4 of 8
Class 4 of 8
Bad Air Conditioner Installation - Signs to Look Out For
Class 5 of 8
Class 5 of 8
The Definitive List of Air Conditioning Myths
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Class 6 of 8
Air Conditioners and Aesthetics: Your Questions Answered
Class 7 of 8
Class 7 of 8
What is HVAC Commissioning and Why is it Important?
Class 8 of 8
Class 8 of 8
What Is a Furnace and How Does It Work?
Class 1 of 5
Class 1 of 5
Single-Stage, Two-Stage and Modulating Furnaces
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Class 2 of 5
What's an AFUE Rating?
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Class 3 of 5
Heat Pump vs. Furnace: Which System Is Right For You?
Class 4 of 5
Class 4 of 5
How Much Does a New Furnace Replacement Cost in 2023?
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Class 5 of 5
Choosing the Right Furnace: 3 Factors that Determine Your Options
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Class 1 of 8
Bad Furnace Installation - What To Watch Out For
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Class 2 of 8
Gas vs Electric Furnaces - Which is Right for You?
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Class 3 of 8
Should I Repair or Replace My Furnace? Factors & Costs
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Class 4 of 8
A Guide to High-Efficiency Furnaces (Savings, Environmental Impact)
Class 5 of 8
Class 5 of 8
The Definitive List of Home Heating Myths
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Class 6 of 8
Furnace Troubleshooting: Common Heating Problems & Repairs
Class 7 of 8
Class 7 of 8
4 Ways To Heat Your Home This Winter
Class 8 of 8
Class 8 of 8
Ductless Mini-Splits 101: What They Do & How You Benefit
Class 1 of 8
Class 1 of 8
Ductless Mini-Splits vs. Central Air: Pros and Cons
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Class 2 of 8
8 Benefits of a Ductless Mini-Split
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Class 3 of 8
How Much Does a Ductless Mini-Split Cost?
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Class 4 of 8
Ductless Mini-Split Installation From Start to Finish
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Class 5 of 8
Trane-Mitsubishi Ductless Mini-Splits: Pricing & Product Line Review
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Class 6 of 8
Ductless Mini-Split Heads and Types
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Class 7 of 8
Portable Air Conditioners vs Ductless Mini-Splits: Which is Right for You?
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Class 8 of 8
Indoor Air Quality: HVAC Humidity Problems & Solutions
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Class 1 of 7
Air Purifiers and Indoor Air Quality
Class 2 of 7
Class 2 of 7
Can HVAC Protect From Coronavirus and Other Illnesses
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Class 3 of 7
How, Why and When to Change Your Furnace Filter
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Class 4 of 7
Dirty Sock Syndrome: Causes & Solutions
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Class 5 of 7
N95 Masks, HEPA Filters & COVID
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Class 6 of 7
Carbon Monoxide in Your Home: Risks & Prevention
Class 7 of 7
Class 7 of 7
Air Duct Cleaning in Columbus, Ohio: All of Your Questions Answered
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Class 1 of 7
What is Duct Cleaning? Basics of Having Your Air Ducts Cleaned
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Class 2 of 7
Air Duct Cleaning in Columbus, Ohio: Process, Benefits, and Price
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Class 3 of 7
Air Duct Cleaning and How it Benefits You
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Class 4 of 7
Fire & Ice Stories | Dee Dee's Duct Cleaning
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Class 5 of 7
Ductwork Disinfectant: Uses and Benefits, Is it worth it?
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Class 6 of 7
Best Air Duct Cleaning Companies in Columbus, OH
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Class 7 of 7
Top Questions Regarding HVAC Maintenance
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Class 1 of 5
HVAC Tune-ups: Why You Need One & What’s Included
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Class 2 of 5
What Happens During HVAC Maintenance and Tune-Ups?
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Class 3 of 5
Do-It-Yourself? Why You Should Avoid DIY in HVAC Maintenance & Install
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Class 4 of 5
Protecting Your HVAC Investment | Our Maintenance Plans
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Class 5 of 5
What Is HVAC? Basics of Heating and Cooling
Class 1 of 10
Class 1 of 10
What Is an HVAC System and How Does It Work?
Class 2 of 10
Class 2 of 10
How Does an Air Conditioner Work?
Class 3 of 10
Class 3 of 10
How Does a Heat Pump Work?
Class 4 of 10
Class 4 of 10
How Does a Furnace Work?
Class 5 of 10
Class 5 of 10
What's a Humidifier? And How Does It Help Indoor Air Quality?
Class 6 of 10
Class 6 of 10
Whole House Dehumidifiers: How They Work and How You Benefit
Class 7 of 10
Class 7 of 10
Ductless Mini-Splits 101: What They Do & How You Benefit
Class 8 of 10
Class 8 of 10
Indoor Air Quality: Air Filtration & Air Purifying HVAC Products
Class 9 of 10
Class 9 of 10
What Is a Dual Fuel HVAC System?
Class 10 of 10
Class 10 of 10
How Does an Air Conditioner Work?
Class 1 of 6
Class 1 of 6
Cost of an Air Conditioner in 2023: Replacing Your AC Unit
Class 2 of 6
Class 2 of 6
What's The Right Size of Air Conditioner for Your Home?
Class 3 of 6
Class 3 of 6
One-Stage, Two-Stage & Variable-Speed ACs: Differences & Benefits
Class 4 of 6
Class 4 of 6
What’s a Seer Rating? - Buying a New Air Conditioner
Class 5 of 6
Class 5 of 6
How Long Do Air Conditioners Last?
Class 6 of 6
Class 6 of 6
Air Conditioning System Installation Process From Start to Finish
Class 1 of 8
Class 1 of 8
How long does it take to install an air conditioner?
Class 2 of 8
Class 2 of 8
Cost Savings of a New Air Conditioner
Class 3 of 8
Class 3 of 8
Changes in HVAC Refrigerants: What You Need to Know
Class 4 of 8
Class 4 of 8
Bad Air Conditioner Installation - Signs to Look Out For
Class 5 of 8