Holiday Safety Tips. Photo of a child getting ready to cut Christmas lights that are plugged in with scissors.

Holiday Safety Tips

December 15, 2025

From Christmas tree catching fire to falling off ladders while stringing up the lights, it’s pretty clear you need to keep your wits about you while celebrating the holidays at your home.

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How Can I Lower My Heating Bill This Winter? Photo of a window looking out into a winter view .

How Can I Lower My Heating Bill This Winter?

November 30, 2025

Are you anticipating a higher heating bill this winter? Here in Knoxville,  temperatures can get pretty low. The only way to ensure you remain perfectly comfortable inside your home is by cranking up the heat.

But that can get expensive.

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Furnace Maintenance and Winter Energy Saving Tips

Furnace Maintenance and Winter Energy Saving Tips

November 15, 2025

It’s understandable that home maintenance tasks can fall by the wayside. Many homeowners in Knoxville, follow the old saying: “If it ain’t broke, don’t fix it.” Life gets busy, and other priorities tend to creep in each month, eating away at your time and budget.

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When Should I Replace My Ductwork? New duct equipment.

When Should I Replace My Ductwork?

October 31, 2025

Your home’s HVAC system is the unsung hero of your comfort, silently working to keep you cool in the summer and warm in the winter.

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Family planning on legacy with property agent.

What Does an HVAC Maintenance Inspection Include?

October 15, 2025

The ACCA has created detailed HVAC inspection checklists specific to different types of heating and cooling equipment.

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Your Top 10 Guide to Buying a New AC. Photo of a white HVAC unit.

Your Top 10 Guide to Buying a New AC

September 30, 2025

Summer is calling, and with it comes the need for a new AC system.

You want an efficient and affordable air conditioning unit to keep you cool in Harriman. We get it. While navigating the world of AC units can feel overwhelming, Central City Heating and Air Conditioning has compiled the top 10 essential things you need to know before you take the plunge and invest in your next cooling system.

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Couple admiring the view from the living room of their house.

How Can You Manage Your Home’s Humidity?

September 15, 2025

Indoor humidity is a drag. It makes relaxing extremely difficult—after all, you are sweating inside your home! It can affect your health, triggering asthma attacks and flaring allergies. It tends to put everyone in a sluggish mood—even the goldfish. Let’s zap that excess moisture right out of the room, and look at ways to manage…

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A Guide to Indoor Humidity Control. Photo of a young woman enjoying a hot beverage on her couch wrapped in a blanket.

A Guide to Indoor Humidity Control

August 31, 2025

Here at Harriman, we enjoy beautiful scenery, a strong sense of community, and delicious barbecues.

What don’t we enjoy? The humidity.

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Video – Should I Set My Thermostat to ON or AUTO?

August 22, 2025

On most thermostats, you can choose between On or Auto for your fan setting. On tells your HVAC unit to run its fans all the time, even when the air isn’t being heated or cooled. Auto means the fan only runs when your air is being treated. It might be a good idea to try…

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3 Tips to Prevent AC Breakdown During a Heat Wave. Couple trying to refresh during summer heat wave.

3 Tips to Prevent AC Breakdown During a Heat Wave

August 15, 2025

This life-saving comfort system is a necessity when temperatures soar and linger in Harriman, as they have under the heat dome that has scorched across Tennessee. 

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Need HVAC Service?

Contact the experts at Central City.

Call us at 865-213-1354!