All Blog Posts

Cozy cabin in North Carolina after snow fall.Heating

Furnace Fan Setting: On vs. Auto
On your thermostat, there’s a furnace-fan setting for either “On” or “Auto.” Which option is the best choice? There are devotees of both settings, each believing their setting is the optimum one to choose. But in reality, it’s more of a pros-and-cons type of situation. It really depends on which …
Children's feet warming at a fireplace sitting down in living roomFurnace|Heat Pump|Heating

Heat Pump vs. Furnace
Looking to install a new heater in your home? Your two most popular choices in Davidson, NC, are a heat pump and a furnace. But which one to choose? Each one has its own advantages and disadvantages when compared to the other. Here are some things to consider to help …
Male arm and hand replacing furnace filter in DavidsonFurnace|Maintenance

The Importance of Furnace Filters
Furnace filters. They’re one of those items not really on the top of everyone’s minds, but they are important and can have a big impact. With the right furnace filter, you can save money and improve your indoor air quality (IAQ) in one fell swoop. The primary function of your …
Two pumpkins sitting in a red wagon where families need to learn about their furnace.Furnace

How Furnaces Work
Winter is almost here in Mooresville, NC, and here at Griffin Heating & Air Conditioning, we believe everyone should have basic knowledge about how their appliances work. Gas furnaces create heat by burning natural gas. This gas is usually methane combined with other carbon based gasses. The Ignitor The process …
This house in DavidsonHeat Pump

What is a Heat Pump?
A heat pump is a device that transfers heat from one place to another, from inside to outside or from outside to inside. In the winter, a heat pump works like a heater, extracting heat energy from outside and transferring it inside. In the summer, the process reverses and it …
Multiple air conditioner units outside of a house in CorneliusAir Conditioning

How Does My Air Conditioner Work?
An air conditioner is a standard appliance in interior comfort. The Energy Information Administration reports that AC units account for almost 20 percent of yearly electricity consumption in the US. At Griffin Heating & Air Conditioning, we believe that knowledge is power: The more you know about the appliances you …
Air Conditioning

Why is My AC Blowing Hot Air?
What happens when you turn on your air conditioning unit and it blows hot or warm air? There are many reasons this might be happening, but we know it is not acceptable here in Mooresville. We want to keep you cool at Griffin, so here are a few simple things …
NATE - North American Technician Excellencemaintenance

What Does it Mean to be NATE Certified?
NATE stands for North American Technician Excellence. NATE is the nation’s largest certification organization for HVAC and refrigeration technicians. It’s important to note that almost everyone in the HVAC and refrigeration industries recognizes and supports a NATE certification, although not everyone in the industry is NATE-certified. It’s a discretionary certification, …