HVAC Learning Center

Why Is My AC Not Cooling? 10 Causes & When to Call a Pro

If your AC is running but not cooling, the most common causes are a dirty air filter, frozen evaporator coil, low refrigerant, or a failed capacitor.

Signs Your AC Needs Repair: 8 Warning Signs Charlotte Homeowners Shouldn't Ignore

The most common warning signs that your AC needs repair include weak airflow, warm air from vents, strange noises, and unusual odors.

When to Repair vs Replace Your HVAC System: The Complete Decision Guide

Use the 50% rule as your starting point: if the repair costs more than 50% of a new system's price, replacement often makes more sense.

AC Capacitor Failure: Signs, Costs & What Charlotte Homeowners Need to Know

AC capacitor failure is the single most common AC repair, responsible for about 30% of service calls.

Thermostat Not Working? Troubleshooting Guide & Fixes

Most thermostat problems are caused by dead batteries, tripped breakers, or incorrect settings—all easy fixes you can check yourself.

AC Refrigerant Leak: Signs, Causes, and Repair Costs

Refrigerant leaks cause your AC to blow warmer air, form ice, and work harder—increasing energy bills significantly.

Furnace Troubleshooting: 10 Common Problems & Fixes

Most furnace problems can be traced to a few common causes: thermostat issues, dirty filters, ignition problems, or tripped safety switches.

11 minRead →

AC Blowing Warm Air? 8 Causes and How to Fix Them

When your AC blows warm air, start with the simple fixes: check your thermostat settings and replace your air filter.

Furnace Not Heating? Troubleshooting Guide for Charlotte Homeowners

If your furnace isn't heating, start by checking your thermostat settings, air filter, and circuit breaker—these fix about 30% of "no heat" calls.

cost-guides

How Much Does a New HVAC System Cost in Charlotte? (2026 Prices)

A new HVAC system in Charlotte typically costs $6,000-$15,000 for most homes, with the average installation running around $9,000-$11,000.

12 minRead →

Costs & Pricing

HVAC Repair Costs in Charlotte: 2026 Complete Price Guide

Most HVAC repairs in Charlotte cost between $150-$800, with the average repair running around $350-$500.

12 minRead →

System Guides

Heat Pumps in Charlotte: Complete Guide for NC Homeowners

Heat pumps are an excellent choice for Charlotte homes because our mild climate allows them to operate efficiently year-round.

11 minRead →

System Guides

Ductless Mini-Split Systems: Complete Guide for Charlotte Homes

Ductless mini-splits are heating and cooling systems that don't require ductwork, ideal for home additions, older homes, and room-by-room control.

System Guides

What Is a Heat Pump and How Does It Work?

A heat pump is an HVAC system that heats AND cools your home using a single unit by moving heat rather than generating it.

7 minRead →

Maintenance

HVAC Air Filter Guide: Types, Sizes, and How Often to Change

Change your HVAC air filter every 30-90 days, depending on filter type, season, and home conditions like pets or allergies.

Maintenance

Why HVAC Maintenance Matters: Benefits, Costs & Schedule

Regular HVAC maintenance can reduce your risk of breakdowns by 95% and cut energy bills by 15-20%.

Maintenance

Charlotte HVAC Seasonal Guide: Prepare Your System Year-Round

Charlotte's climate demands year-round HVAC attention—here's what to do each season to keep your system running efficiently.

How to Choose an HVAC Contractor in Charlotte (And Red Flags to Avoid)

Choose an HVAC contractor who is licensed, insured, established locally, and willing to provide written estimates.

Understanding HVAC Efficiency Ratings: SEER, SEER2, HSPF & AFUE Explained

HVAC efficiency ratings tell you how much heating or cooling you get per unit of energy consumed. Higher numbers mean lower energy bills.

HVAC Emergency: What to Do When Your AC or Furnace Fails

Not every HVAC breakdown is an emergency—but some situations require immediate attention for safety or property protection.

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HVAC Sizing: How to Know What Size AC or Furnace You Need

Proper HVAC sizing requires more than square footage—it depends on insulation, windows, climate, and home layout.

Smart Thermostats: Are They Worth It? Complete Buying Guide

Smart thermostats can save 10-15% on heating and cooling costs, but whether they're worth it depends on your habits and existing setup.

Indoor Air Quality

Indoor Air Quality in Charlotte: Problems, Solutions & Products

Indoor air can be 2-5 times more polluted than outdoor air. Charlotte's pollen, humidity, and seasonal changes make IAQ especially important.