Furnace Service in Winston-Salem
Licensed, NATE-Certified Furnace Service for Winston-Salem Homes
We provide furnace repair, installation, replacement, and maintenance based on your system’s condition and your home’s comfort needs.
Our licensed, NATE-certified, and insured technicians assess airflow, thermostat operation, visible wear, safety controls, and overall performance. Since 2007, we’ve served Winston-Salem and surrounding communities with HVAC services focused on reliable home comfort.
Call (336) 537-5047 or message us online to discuss repair or maintenance needs, or schedule an estimate for new furnace equipment in Winston-Salem.
Furnace Service Options
At All-Phase Heating & Cooling, we provide furnace service for homes and light commercial properties. Whether you need a new system installed, a repair to address a problem, or routine maintenance to support dependable operation, we explain the work and your options before you decide. You can also explore our other heating services.
We provide free estimates for new equipment, warranties, and financing options for qualifying HVAC projects. Weekend service is also available. We serve homeowners in Advance, Clemmons, Greensboro, High Point, Kernersville, Lewisville, Mocksville, Winston-Salem, and surrounding communities.
Signs Your Furnace Needs Service
If your heating system starts acting up, don’t ignore subtle changes. Common indicators that you may need furnace service include inconsistent heating, unusual noises, frequent cycling, or an unexpected rise in energy bills. You may also notice that certain rooms feel colder or the air coming from your vents feels weaker than usual.
Pay attention to how quickly your home heats, whether the thermostat remains accurate, and whether you notice new odors or sounds. Combustion, electrical, airflow, and control concerns should be evaluated by a qualified HVAC professional rather than diagnosed through homeowner guesswork. Our NATE-certified technicians can inspect the system and explain whether repair, maintenance, or replacement is appropriate.
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0% FINANCINGFOR UP TO 60 MONTHS!
Get Comfort Now. Pay Over Time. Available on Qualifying Carrier Systems. Limited Time Only - Now through November 30th!
Valid Aug 1, 2026 - Nov 30, 2026 -
Employee PricingOn Select Equipment
Valid Oct 1, 2026 - Nov 30, 2026
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FREEHumidifier with the Purchase of New HVAC Equipment
Upgrade your comfort with a FREE humidifier when you purchase qualifying new HVAC equipment.
Valid Sep 16, 2026 - Oct 31, 2026 -
FREESmart Thermostat
With the purchase of an AC System
(20, 17 SEER, Select Carrier Systems)Valid Sep 16, 2026 - Oct 31, 2026 -
FREEIn-Home Estimates
for HVAC Replacement
Valid Sep 16, 2026 - Oct 31, 2026
What Affects Furnace Repair & Installation Costs?
The cost of a furnace depends on several factors, such as the size of your home, the furnace’s efficiency rating, and the complexity of installation. Larger homes require bigger or more powerful units, and high-efficiency models may cost more upfront but can affect utility costs over time. Your existing ductwork, electrical or fuel connections, venting, accessibility, and setup can also affect installation costs.
Choosing the right furnace size is important because equipment sizing, ductwork condition, and your home’s comfort needs all affect performance. We help you assess both your space and your energy priorities so you can make an informed decision based on actual needs rather than guesswork.
Whether repair or replacement offers better value depends on the equipment’s condition, repair scope, installation requirements, and expected service needs. We provide transparent pricing, free estimates for new equipment, and financing options for qualifying HVAC projects. New installations include a 10-year labor warranty.
What to Expect During a Furnace Service Visit
When you schedule a furnace service visit with All-Phase Heating & Cooling, our team treats your home with care. We start by listening to any concerns you have and inspecting your system for visible signs of wear or damage. Our NATE-certified technicians examine the furnace’s major components, check connections, inspect filters, and check that the thermostat functions correctly. We also test airflow and safety controls as part of our assessment.
During appointments, we keep you informed about our findings and review available options, whether you need a tune-up, part replacement, repair, or further diagnostic checks. We answer your questions so you can make an informed decision about your family’s comfort. Brad or Gina are personally involved in every project, reflecting our customer-centered approach.
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"Great Price"
My wife and I are retired and have lived in multiple states before. With our almost 70 years of living experience, if someone ask me to list the best HVAC company, we would name All-Phase Heating and Cooling company without any hesitation. This company<
- Tony M. -
"I have never been disappointed with the service that All-Phase has given me."
They are on time and always call before arriving and follow-up after the service. Techs are very polite and knowledgeable of our heating and cooling system, and explain the work that they have performed. Five stars all the way.
- Kenneth S. -
"This was our second HVAC purchase from All Phase Heating & Cooling and the experience was as great as the first time."
Anthony, Bradly, Jay, Evan, Jamey and Jessica were as professional, kind, courteous, punctual and detail oriented as any organization we have ever dealt with. Hats off to Brad & Gina as they have built a world class organization. If you are fortunate enough to discover these folks, you will have a HVAC service and repair company that you can trust, for life! Many thanks to all. Kris & Nancy Buckles
- Kris B. -
"I called All-Phase after having an issue with another company. I am glad I did!"
All-Phase was very professional and knowledgeable, and they were able to resolve my heating issue the same day I called. I want to thank our technician Matt for taking the time to explain the process and to answer all of my concerns. If you are having heating or cooling issues don’t hesitate to call them.
- Joe H.
Understanding Furnace Installation Safety & Compliance
Furnace installation and major equipment changes can involve requirements related to combustion air, venting, electrical connections, equipment placement, and carbon monoxide safety. Applicable permit and code requirements depend on the project scope and jurisdiction, so they should be confirmed for the property before work begins.
Our team explains the work recommended for your home and the available options before moving forward. Service guarantees are available.
Schedule Furnace Service in Winston-Salem
Whether you need a repair, preventive maintenance, or an estimate for replacement, we’ll explain your options and pricing before work begins. Free estimates are available for new equipment, along with financing options for qualifying HVAC projects.
Call (336) 537-5047 to request furnace repair or maintenance, or contact us online to request an estimate for new equipment.
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Lasting Customer Relationships
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Locally, Independently & Family Owned
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Service & Gratitude
FAQs About Furnace Services in winston-Salem
Can You Help With Furnace Repair, Maintenance, Installation, and Replacement?
Yes. We provide furnace repair, maintenance, installation, and replacement services for residential and light commercial properties.
What Should I Do If Some Rooms Remain Cold?
Check that the filter isn’t excessively dirty and that supply and return vents are open and unobstructed. A professional evaluation can identify airflow, ductwork, thermostat, or furnace performance concerns.
When Might Furnace Replacement Make More Sense Than Repair?
Replacement may make more sense when a furnace needs recurring repairs, has declining performance, or has limited expected service life. We can evaluate the equipment and explain the repair and replacement options.
What Should I Have Ready When Requesting Furnace Service?
Let us know what you have noticed, such as unusual sounds, weak airflow, cycling, thermostat concerns, cold rooms, or odors. If you know the furnace’s approximate age or recent repair history, that information can also help guide the visit.
Can Maintenance Address Airflow and Thermostat Concerns?
Yes. A technician can assess airflow, the thermostat, filter condition, and safety controls, then explain any maintenance or repair needs identified during the visit.
Call (336) 537-5047 to request furnace repair or maintenance, or contact us online to request an estimate for new equipment.
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Lasting Customer Relationships
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Locally, Independently & Family Owned
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Service & Gratitude