Guarding Your Comfort Since 1947
A safe, comfortable home takes more than just a stack of blankets and a roaring fireplace. A reliable furnace is what keeps the entire family feeling steady and warm during the cold stretch of the year. Regular furnace maintenance keeps that comfort consistent, protects your system, and saves you money in the long run.
Since 1947, families in Southside VA have leaned on Davis Heating, Cooling, Plumbing & Electric for dependable service. Our technicians know how to spot the little details that could turn into serious problems, and they’re here to help your system perform its best. Call us today to schedule your furnace tune-up in Roanoke, VA, or one of the nearby areas!
At Davis, we believe everyone deserves access to dependable home comfort solutions, no matter the budget. That’s why we offer rotating seasonal specials, rebates, and promotional pricing for our air conditioning, heating, plumbing, and electrical services.
We also offer flexible financing options with approved credit, so you can get the services you need today without delay. Need a new furnace before winter? Looking to replace a faulty toilet or upgrade your home with an EV charging station? We make it possible with easy applications, low monthly payments, and a financing experience that puts your comfort first.
SPECIAL OFFERS
Here at Davis, we like to spice things up with seasonal deals and specials. Spend less on our services and put the money toward that vacation you’ve been longing to take!
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
*Select Ruud Products Only, select financing up to 5 years. Expires 4/30/26
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
 *Cannot be combined with other offers. Does not apply to dispatch fee. One time use per coupon. Restrictions apply. Limited time offer.
Skipping a maintenance appointment may seem like no big deal, but small issues inside a heating system don’t stay small for long. Routine care helps prevent problems that can shorten the lifespan of a furnace, raise energy bills, or even put your family at risk.
During a professional furnace maintenance service, technicians look for signs of wear, clean away buildup, and make adjustments that keep the system running at its best. Here are a few headaches homeowners can avoid with proper care:
Even the best furnaces lose efficiency over time. Dust collects on burners, airflow gets restricted, and parts wear down. A professional furnace tune-up in Roanoke, VA, resets the system to run like new. Think of it as a checkup that saves money month after month by helping the furnace burn fuel cleanly and distribute heat evenly.
Our technicians check gas pressure, test airflow, clean critical parts, and calibrate the thermostat. These adjustments may sound insignificant, but they add up to a big improvement in efficiency. Homeowners often notice steadier temperatures and fewer cycles, which means less wear on the equipment and lower heating costs.
Homeowners often wonder what actually happens during a furnace visit. We keep the process clear and simple, so you always know what’s going on with your heating system.
The appointment begins with a full inspection of the furnace and connected systems. That means checking burners, wiring, the ignition system, and the heat exchanger. We also review ductwork for leaks and test for any signs of carbon monoxide hazards. This inspection lays out exactly how the system is performing and flags anything that needs attention before it turns into a bigger issue.
This stage is also where we spot early signs of trouble. If we find issues that call for furnace repair or even furnace replacement, we explain them clearly so you can make an informed choice.
Next, the system gets a good cleaning. Dirt, soot, and debris inside the combustion chamber or on burners reduce efficiency and can create uneven heat. The air filter is checked and replaced if needed. Once the system is clean, our technician fine-tunes gas pressure, checks flame patterns, and calibrates the thermostat.
These small adjustments have a big impact. Cleaning and fine-tuning help restore airflow, balance fuel use, and reduce strain on the motor, which translates to lower bills and fewer breakdowns.
With everything cleaned and adjusted, the system is fired up and tested under real conditions. The technician monitors airflow, temperature, and safety controls. They listen for unusual noises, test electrical components, and confirm that the furnace is running smoothly.
The appointment wraps up with a clear explanation of what was done and any issues that might need repair. You’ll leave knowing exactly where your system stands and confident that it’s ready for the season ahead.
A comfortable home starts with well-maintained systems. The Home Guard Maintenance Agreement makes it simple by covering your HVAC, plumbing, and electrical needs in one plan.
Member perks include:
Sign up today and start enjoying all-in-one home protection.
Since 1947, Davis Heating, Cooling, Plumbing & Electric has been part of Virginia households, offering reliable heating services and more. Our philosophy is simple: do the work right, treat people fairly, and show respect for every home we step into.
Here’s what you can expect when you call us for a furnace tune-up in Roanoke, VA:
We proudly serve more than just Roanoke — families in Danville, Smith Mountain Lake, Salem, and throughout Southside VA count on us for professional furnace tune-ups that keep systems efficient and dependable year after year.
Staying warm through a Virginia winter doesn’t have to involve stress or guesswork. With professional furnace maintenance, your system runs cleaner, lasts longer, and keeps your family comfortable without surprise breakdowns. Davis Heating, Cooling, Plumbing & Electric has been doing this work since 1947, and that experience makes all the difference.
Has it been a while since your heating system has received the attention it deserves? Schedule your furnace inspection in Roanoke, VA, today!
How often should I change my furnace filter if I have pets or seasonal allergies in Roanoke?
While the standard recommendation is every 90 days, Roanoke’s high seasonal pollen counts and indoor pet dander mean most local homeowners should change filters every 30 to 45 days. A clogged filter is the #1 cause of “short-cycling” and blower motor failure. Replacing your filter frequently is the easiest way to lower your heating bill by up to 15%.
Why does my gas furnace flame look yellow instead of blue?
A healthy furnace flame should be a steady, crisp blue. A yellow or flickering orange flame is a major warning sign of incomplete combustion, often caused by dirty burners or a lack of oxygen. This can lead to increased carbon monoxide production. During a professional maintenance visit, we clean the burner assembly and adjust the gas-to-air ratio to ensure your system is burning safely and efficiently.
Does annual maintenance really protect my furnace manufacturer’s warranty?
Yes. Nearly all major manufacturers, including Ruud and Trane, require proof of annual professional maintenance to honor parts warranties. If a major component like your heat exchanger fails, the manufacturer may deny your claim if you cannot provide service records. Our HomeGuard Maintenance Agreement provides the documentation you need to keep your investment protected.
What is a “Static Pressure Test” and why do your technicians perform it?
Static pressure is the “blood pressure” of your HVAC system. It measures how much resistance your furnace faces when pushing air through your home’s ductwork. High static pressure—often caused by undersized ducts or dirty coils—overworks the blower motor and leads to premature system death. We use specialized manometers to ensure your system is operating within safe manufacturer limits.
