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The Heating & Cooling Blog

By MR. HVAC

Outdoor central air conditioning unit with metal casing and ventilation grilles in a backyard setting.

Heat Pump or Air Conditioner? What Actually Changes for Your Home

September 02, 2026

If you're replacing a system this fall, someone has probably asked whether you want a heat pump or a standard air...

Brown furnace with ducts in a basement surrounded by insulation and pipes.

What AFUE Actually Tells You Before You Pick a New Furnace

September 01, 2026

Start shopping for a furnace, and you'll see a percentage on every model: 80%, 92%, 96%. That's the AFUE rating, and...

Technician inspecting and repairing HVAC system in an attic with tools and ductwork visible

Do You Have to Replace Your AC and Furnace at the Same Time?

August 27, 2026

When one half of your HVAC system fails, the first thing most homeowners hear is that they should replace both...

Wall-mounted air conditioning unit next to a bare twisted tree trunk against a white textured wall.

How Long Does an AC Unit Last? What Georgia Homeowners Should Expect

August 27, 2026

Most homeowners only think about their air conditioner's age when it stops working. However, knowing roughly where...

Small rectangular basement window with a ventilation duct visible through the glass in a white wall.

7 Warning Signs of Mold in Your Air Ducts

August 17, 2026

What Mold In Air Ducts Looks Like Most homeowners spot it at the register first, because that is the only part of...

Silver cylindrical capacitor with specifications label and electrical terminals inside an HVAC unit.

What Does an AC Capacitor Do?

August 14, 2026

An AC capacitor is a small cylinder inside your outdoor unit that stores electrical energy and releases it on demand...

Outdoor air conditioning unit in rain with blurred green trees in background, showing water droplets falling.

What Is HVAC and What Does It Stand For?

August 14, 2026

What Does HVAC Stand For Each letter covers one job the system handles. H is for Heating, usually a furnace...

Industrial rooftop showing HVAC units, metal ladder, brick wall, and weathered concrete surfaces with some snow patches.

Getting Your HVAC Ready for Winter

August 06, 2026

Why Fall HVAC Maintenance Matters Your heating system has been sitting idle all summer. Dust settles, parts...

Industrial metal ventilation ducts above modern building windows and walls under a skylight ceiling.

Commercial HVAC Maintenance: What Building Owners Should Know

August 03, 2026

What Commercial HVAC Maintenance Actually Covers Commercial HVAC maintenance is a scheduled check of the...

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