Gas Furnaces

Furnace service.

Scott Brothers Heating & Air is the leading HVAC company in Boone, NC, for your furnace service needs. We service and repair all makes and models. If you need furnace service, we are the company to call. Our skilled technicians are qualified to solve just about any repair or installation that you throw at us.

How Much Money Can a New Furnace Save You?

Our AFUE energy savings calculator can help determine how much you could save on your utility bills. Simply enter your current unit's AFUE value and compare it to a newer, more efficient system. You can even customize it to better match your home's system for a more accurate calculation.

AFUE Energy Savings Calculator

{{ afueOld }}% vs {{ afueNew }}%

{{ annualNaturalGasSavingsPercent() }}%

{{ afueOld }}%
${{ afueAnnualOperatingCostOldUnit() }}
Annual Cost
{{ afueNew }}%
${{ afueAnnualOperatingCostNewUnit() }}
Annual Cost

Estimated 15-Year Savings:*
${{ projectedNaturalGasSavings }}

{{ year }} {{ state }} average residential natural gas retail price of ${{ rateResidentialNaturalGas }}/Mcf**.
*Based on an average annual rate increase of {{ avgUtilityIncrease }}%.

This calculator does not guarantee actual costs or savings and is only to be used for educational purposes.

Customize to Your Home

Adjust these settings for a more accurate calculation:



Rate ($/Mcf)


Average Annual Heating Hours***

Historical Comparison

{{ state }}'s natural gas prices compared to {{ yearFifteenYearsAgo }}.

{{ yearFifteenYearsAgo }}


${{ priceFifteenYearsAgo }}/Mcf

{{ yearTenYearsAgo }}

{{ differenceTenYears }}

${{ priceTenYearsAgo }}/Mcf

{{ yearFiveYearsAgo }}

{{ differenceFiveYears }}

${{ priceFiveYearsAgo }}/Mcf

{{ year }}

{{ differenceCurrentYear }}

${{ rateResidentialNaturalGas }}/Mcf

** Data from U.S. Energy Information Administration
*** Data from 2002 EPA study

** Data for Canadian cities from
*** Data from

Furnace Repair

Don’t get left in the cold! Is your furnace acting up, blowing cold air, or making too much noise? Our experienced team of professionals is here to keep your home warm and cozy. We repair all makes and models, and we will never try to sell you a service that you don’t need. Our technicians are honest and hard working, and we’re always transparent and fair about the work we do.

Furnace Replacement

Sometimes a repair is not sufficient to fix your furnace. Sometimes a new furnace is the most cost-effective and energy-efficient way to go. We will always be honest with you about a possible furnace replacement. We value our time and your money––we don’t want to perform repairs or service on an appliance that is in need of replacement.

If you do need a furnace replacement, we know how overwhelming it can be. Here are some of the frequently asked questions about furnaces that we get from some of our Boone, NC residents:

What Are The Different Types Of Furnaces?

Single Stage: A single-stage furnace has only one stage of operation. It can either be turned on or turned off.

Two Stage: A two-stage furnace has two settings––full and half speed. This is a more efficient way to heat and provides for better comfort, because it can move the air at a slower pace.

Variable Stage or Modulating: A variable-stage or modulating furnace modulates the speed and heat output based on the temperature outside and the desired comfort level. This furnace only works as much as you need it, making this type the most energy-efficient type of furnace.

What Is AFUE?

AFUE, or Annualized Fuel Utilization Efficiency, is a measure of furnace-heating efficiency. The higher the AFUE, the more efficient the furnace.

What Size Furnace Do I Need?

We can calculate the correct size furnace for your home. The number of BTUs, or British Thermal Units, needed to heat your home is dependent on a number of variables. Contrary to what you might think, a bigger furnace may not necessarily mean more heating power for your home. Call us at Scott Brothers Heating & Air, and we can set up an appointment to calculate the furnace size you might need.

Gas Furnace Maintenance in Deer Gap, NC 28618

“Young tech was excellent. Sorry I didn’t recall his name”
- Spencer B.

Gas Furnace Repair in Lansing, NC 28743

“Chad communicated well with me thru out the repair. Chad was very knowledgeable and completed the repair fast. Great service”

- Julius T.

Gas Furnace Maintenance in Jefferson, NC 28640

“Curtis checked everything thoroughly. He informed us of issues and potential problems and gave us recommendations for repairs and maintenance.”

- Thomas H.

Gas Furnace Maintenance in West Jefferson, NC 28694

“Great service!”

- John R.

Gas Furnace Repair in Todd, NC 28684

“It started the first time he turn it on. Then he checked it out until he found the reason it didn’t work for us,and fixed it.”

- Michael G.

Gas Furnace Repair in West Jefferson, NC 28694

“Curtis was very helpful and informative!”

- Michael G.

Gas Furnace Maintenance in Fleetwood, NC 28626

“Luke was on time and performed heating unit service; professional and courteous.”

- Barry A.

Gas Furnace Maintenance in Todd, NC 28684

“Luke checked on our HVAC system for the main part of the house, as well as our mini-split in our den. This was part of our twice-a-year service plan. We were very satisfied with the service, and pleased that the HVAC system and mini-split, which Scott Brothers installed for us, are continuing to function so well.”

- Glenn Ellen S.

Gas Furnace Maintenance in Deer Gap, NC 28618

“Luke was pleasant, competent, and thoroughly checked our system. Always a pleasure to deal with this company.”

- Charles C.

Gas Furnace Maintenance in Banner Elk, NC 28657

“Great tech – he cares about his work!”

- VA B.

Need Furnace Service?

Contact the experts at Scott Brothers Heating & Air.

Call us at 336-877-1702!