How Does My Gas Furnace Work?

April 15, 2026

On a frosty winter’s day here in , your gas furnace is hard at work, keeping your home warm and cozy. Feeling grateful? You’re not alone—it is one of the most popular forms of heating, as American as apple pie. In 1919, New Jersey inventor Alice H. Parker filed a patent for the first gas-fueled furnace.…

3 Signs It’s Time for a New AC

March 15, 2026

Should you repair or replace? That’s always the big question when it comes to major home systems, such as air conditioners (AC). Repairs are often easier on the pocketbook in the short run, especially if the issue seems minor. But when those repairs start piling up—along with higher energy bills—it might be more cost-effective to…

Improve Energy Efficiency in Your Commercial Building

February 15, 2026

It takes significant energy to keep a commercial building safe, functional, and comfortable for occupants. According to the US Energy Information Administration (EIA), heating alone can account for approximately 32 percent of energy costs in a typical office setting. Lighting and ventilation account for another 10 percent apiece. That’s a significant portion of your monthly…

Should I Repair or Replace My Commercial Freezer?

February 6, 2026

A commercial freezer is a vital component of any food service business, grocery store, or restaurant. It keeps perishable goods at safe temperatures, ensuring food quality, compliance with health regulations, and smooth business operations. However, when a freezer starts malfunctioning, Lexingon business owners face a crucial decision: should you repair or replace it? While repairing…

How Do I Know I Have a Cracked Heat Exchanger?

January 15, 2026

Our experienced furnace repair technicians will inspect and diagnose your furnace issue and resolve the concerns you are having.

When to Upgrade Your Commercial HVAC System

December 15, 2025

Keeping your North Carolina commercial property comfortable and energy-efficient depends on the performance of your HVAC system. An outdated or malfunctioning system can lead to higher energy costs, uncomfortable indoor environments, and frequent repairs for Winston-Salem, businesses.

A Guide to Indoor Humidity Control

November 18, 2025

Here at Greensboro, we enjoy beautiful scenery, a strong sense of community, and delicious barbecues. What don’t we enjoy? The humidity.

Is Your Thermostat Causing Your AC to Freeze Up in High Point?

October 20, 2025

It’s another hot summer day in High Point, and you feel like you might melt. Your air conditioner is not doing its job.

5 Reasons Why Regular HVAC Maintenance Is Essential

September 5, 2025

According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.

Why Are They Called Ductless Mini Splits?

August 15, 2025

They’re called ductless mini splits because they don’t require ductwork and consist of two main components—a compact indoor air handler and an outdoor compressor—connected by refrigerant lines. This “split” design allows for efficient, targeted heating and cooling in specific areas.

Need HVAC Service?

Contact the experts at Davis Heating and Air.

Call us at (336) 462-7120!