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Furnace Maintenance

Furnace Maintenance in Murfreesboro, TN

A complete performance evaluation and safety inspection for your gas or electric furnace — not a quick once-over.

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BBB Accredited Business, A- Rated — Reliable Comfort Services Inc.
A Reliable Comfort Services technician performs a thorough furnace inspection, checking components and safety systems in a Murfreesboro home.

What Sets Our Furnace Maintenance Approach Apart

An Evaluation of Condition and Safety, Not Just Operation

Most "furnace tune-ups" answer only one question: does the furnace turn on? A technician confirms the burners light, feels warm air at a register, and leaves. That tells you the furnace runs — it tells you nothing about its condition, its efficiency, or whether it's safe to operate. At Reliable Comfort Services, we approach maintenance differently. Our annual furnace service is a System Performance Evaluation and Safety Inspection: a complete assessment of how your furnace is actually operating, whether any components are beginning to wear, and — most importantly — whether it's burning fuel safely.

That distinction matters most with a furnace, because a gas furnace is the one piece of comfort equipment in your home that can produce carbon monoxide. A cracked heat exchanger or a venting problem isn't just an efficiency issue — it's a safety issue. So while many people still call it a "tune-up," what we deliver is a thorough, safety-first evaluation that puts combustion integrity first and gives you an honest picture of where your furnace stands before winter arrives.

Schedule Your Inspection 615-410-6575

Why Choose Us

Why Murfreesboro Homeowners Choose Us for Furnace Maintenance

Carbon-Monoxide Safety Comes First

Because a gas furnace burns fuel, combustion safety is never an afterthought on our visits. We inspect the heat exchanger for cracks, verify proper draft and venting, check gas connections, and confirm safety controls and limit switches function as designed. We never downplay a CO concern. If we find a compromised heat exchanger or an unsafe condition, we tell you plainly and recommend addressing it promptly — your family's safety is the entire point of doing this right.

50+ Years of Combined Tennessee Heating Experience

Our team has evaluated furnaces through every kind of Middle Tennessee winter, from mild seasons where systems barely cycle to deep cold snaps that run furnaces almost nonstop. That experience tells us which components age first, what readings signal trouble on which systems, and how our climate stresses gas and electric heating equipment. We service all major brands, and that depth of experience is what lets a careful inspection catch what actually matters.

The Red / Yellow / Green Condition Standard

Every furnace we inspect leaves with a clear, honest condition rating on each major component and on the system as a whole. You're never left guessing whether "it looked fine" means it's genuinely healthy or quietly declining. Green means it passed, Yellow means it's still working but showing wear worth planning for, and Red means it has failed or poses a safety concern. It's a transparent standard that replaces vague reassurances with facts.

Early Detection That Prevents Winter Breakdowns

A blower motor that still spins but draws higher-than-normal amperage is already beginning to fail, even though it hasn't stopped yet. A capacitor reading below spec is on its way out. Catching these early — before a January night when you need heat most — is the core value of a real performance inspection. We find the wear before it becomes a no-heat emergency, so you can plan repairs on your schedule instead of reacting to a failure.

TVA EnergyRight Certified & Efficiency-Focused

Reliable Comfort Services is a member of the TVA EnergyRight Quality Contractor Network, and your annual furnace maintenance qualifies for a $50 TVA EnergyRight rebate per unit, per year. It's a meaningful offset that rewards exactly the kind of proactive, documented care that keeps your system efficient and safe — and we're glad to help you take advantage of it.

A Real Inspection Takes Time

A thorough furnace evaluation simply can't be done in 30 minutes. Measuring static pressure and temperature rise, testing capacitance and amperage, inspecting the heat exchanger, and verifying combustion safety all take real time and real instruments. A complete System Performance Evaluation and Safety Inspection typically takes about 1.5 to 2 hours, and sometimes longer on more complex systems.

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Ready for a Furnace Evaluation That Actually Tells You Something?

We'll perform a complete System Performance Evaluation and Safety Inspection, classify every major component as Red, Yellow, or Green, and review the findings with you so you head into winter with no surprises.

Or explore related heating options:

Reliable Comfort Services branded service trucks parked outside a Murfreesboro home

Our Process

Our 5-Step System Performance & Safety Inspection

1

We start with safety, because with a furnace nothing else matters until we know it’s safe to operate. We verify the furnace’s safety controls and limit switches, inspect gas connections and combustion safety, and examine the heat exchanger closely for cracks or corrosion that could allow carbon monoxide into your home. We check electrical integrity and confirm the condensate drain, flue, and venting are clear and drafting properly.

Carbon monoxide is an invisible, odorless hazard, and we treat it that way — this step is never abbreviated. If anything here raises a safety concern, it shapes the rest of the visit and our recommendations.

  • Test safety controls, limit switches, and pressure/rollout switches
  • Inspect gas connections and verify combustion safety
  • Examine the heat exchanger for cracks, corrosion, or CO risk
  • Verify electrical integrity and grounding
  • Confirm condensate drain, flue, and venting are clear and drafting correctly
  • Flag any carbon-monoxide or safety concern immediately and plainly
2

Airflow problems quietly damage furnaces and waste fuel, so we measure them directly. We test static pressure across the system, evaluate blower-motor performance, and check the filter and ductwork for airflow restriction. Then we measure temperature rise across the heat exchanger and confirm it falls within the manufacturer’s specified range — too high or too low both point to a problem that shortens equipment life.

  • Measure total external static pressure
  • Evaluate blower-motor performance and airflow delivery
  • Check filter and ductwork for airflow restriction
  • Measure temperature rise across the heat exchanger
  • Confirm temperature rise is within manufacturer specification
3

This is where early detection happens. We test capacitors for their actual measured capacitance rather than just confirming they’re present, check blower-motor amperage against rated draw, and evaluate the igniter, flame sensor, control board, and safety devices. We inspect wiring and verify voltage throughout.

A component doesn’t have to stop working to be failing. A blower motor that still runs but pulls higher-than-normal amperage is already on the path to failure — it simply hasn’t quit yet. Identifying that wear now, while you have time to plan, is the entire point of evaluating condition instead of just confirming operation.

  • Test capacitors for actual measured capacitance, not just presence
  • Check blower-motor amperage against rated draw
  • Evaluate igniter and flame sensor performance
  • Inspect the control board and safety devices
  • Verify wiring integrity and voltage throughout the system
  • Document components drawing high amperage as early-failure warnings
4

A gas furnace has no refrigerant, so in place of the refrigerant checks on a cooling system, we verify how cleanly and safely your furnace is burning fuel. We check manifold and gas pressure, confirm a strong, stable flame signal and correct burner operation, re-examine heat-exchanger integrity under firing conditions, and verify proper draft and venting. We confirm temperature rise once more with the system under full load.

For an electric furnace, this step focuses on element operation, sequencer staging, and amperage per element — the same goal of confirming the heat is being produced correctly and safely.

  • Verify manifold and gas pressure against specification
  • Confirm flame signal strength and proper burner operation
  • Re-inspect heat-exchanger integrity under firing conditions
  • Verify proper draft and venting of combustion gases
  • Reconfirm temperature rise under full load
  • For electric units, verify heating elements, sequencers, and per-element amperage
5

Finally, we bring everything together. We classify each major component and the system overall using our Red / Yellow / Green standard, then sit down with you to walk through exactly what we found and what each reading means. If something needs attention, you’ll understand why, how urgent it is, and what your options are — with no pressure and no upsell.

You leave this visit knowing your furnace’s true condition heading into the heating season, with documented readings you can keep for warranty and service history.

  • Assign a Red / Yellow / Green rating to each major component
  • Classify the overall system condition
  • Review all findings and readings with you in plain language
  • Explain any recommended repairs, their urgency, and your options
  • Provide documented results for your warranty and service records
  • Answer your questions about the furnace’s condition and expected life

Protect Your Furnace Investment

Maintenance Plans for Your Furnace System

Once you experience the peace of mind that comes from a thorough furnace evaluation, staying on schedule becomes essential. Our maintenance plans make annual scheduling automatic, lock in predictable pricing, and offer priority service and repair savings if issues ever arise.

Plan members also get first access to seasonal specials and manufacturer rebates — and we handle your TVA EnergyRight rebate paperwork automatically.

Residential Maintenance Plan Benefits

Extended Equipment Life

Getting more years out of your investment

Early Prevention

Prevention of unexpected breakdowns during peak heating and cooling seasons

Performance Evaluation

A clear, documented record of system condition that informs smart repair and replacement decisions

Improved Energy Efficiency

Improved system efficiency and lower monthly energy bills

What’s Included in Every Maintenance Visit

Safety Inspection

Identify any conditions that could pose a hazard to your home or family

Performance Evaluation

Measure how well your system is actually operating under current conditions

System Condition Review

Honest, documented assessment of the current state of your equipment

TVA EnergyRight $50 Rebate Per Unit, Per Year

Available to qualifying homeowners through the TVA program

Early Detection of Potential Issues

Catch small problems before they become expensive repairs or emergency breakdowns

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Commercial Maintenance

We offer commercial maintenance programs for business owners and facility managers across Middle Tennessee. Keeping your commercial HVAC systems — whether RTUs, VRF systems, or chillers — on a regular service schedule protects your investment and reduces costly operational downtime.

Financing Your Furnace Maintenance

Flexible Financing for Your Furnace Maintenance and Repairs

While annual maintenance is an affordable investment in your furnace’s reliability, sometimes our inspection reveals repairs that need attention. We work with Wells Fargo, TVA Financing, and Synchrony to offer flexible terms that fit necessary repairs into your budget.

There are no gimmicks and no pressure to finance. We discuss financing before you commit, so you can make the best decision for your home.

How Financing Works

Wells Fargo Financing

Straightforward financing through Wells Fargo, with a simple online application.

Contact Us to Apply

TVA On-Bill Financing

Available through participating utilities — convenient payments made right on your utility bill.

Contact Us to Check Eligibility

Synchrony Financing

Flexible financing through Synchrony to fit quality equipment into your budget.

Contact Us to Apply
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Real Savings for Tennessee Homeowners

TVA EnergyRight Rebates & Incentives

As a TVA EnergyRight Quality Contractor Network Member, Reliable Comfort Services Inc. can help Middle Tennessee homeowners access real money back through the TVA EnergyRight rebate program. These rebates represent a genuine opportunity to offset the cost of upgrading your system — or maintaining what you have.

Available TVA EnergyRight Rebates

Energy-Efficient Equipment Upgrades

Rebates toward high-efficiency HVAC system replacements

HVAC System Improvements

Incentives for upgrades that boost overall system efficiency

Duct Replacement Projects

Rebates for replacing aging or leaking ductwork

$50 Maintenance Rebate Per Unit, Per Year

Available to qualifying homeowners on annual maintenance

Ask us how to take advantage of what’s available in your area when you schedule service.

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Protection You Can Count On

HVAC Warranties & Long-Term Protection

We stand behind our work and the equipment we install. Every new residential install can add an optional labor warranty of up to 10 years through a third-party program, and our LG Pro Dealer status includes a 12-year parts warranty on LG ductless systems — among the strongest coverage available. That’s how confident we are in the quality of our work.

Warranty Coverage Options

Manufacturer Parts Warranty (Up to 10 Years)

Parts and major components are covered up to 10 years when the equipment is registered. We handle registration and keep your documentation. Coverage varies by equipment.

Optional Labor Warranty (Up to 10 Years)

Available as an option on any residential unit we install, through a third-party program. If selected, it covers repair labor for up to 10 years — you choose whether to add it.

12-Year LG Parts Warranty

Included on LG ductless installations through our LG Pro Dealer status — one of the strongest coverage packages available. Applies to LG ductless equipment only.

No-Hassle Equipment Replacement (Up to 10 Years)

Available on qualifying, select equipment only — if a major component such as the compressor or coil fails within the coverage period, the unit is replaced rather than repaired.

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Customer Reviews

Hear From Our Neighbors

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Map of the Reliable Comfort Services HVAC service area across Murfreesboro and Middle Tennessee

Don’t See Your Town?

We provide furnace maintenance throughout the broader Middle Tennessee region. Contact us to confirm service availability in your area — we’re always glad to help a new neighbor stay warm and safe.

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Furnace Maintenance Service Areas

Furnace Maintenance Across Middle Tennessee

We provide annual furnace performance and safety inspections throughout Middle Tennessee. Our service areas include comprehensive evaluations that put combustion safety first and give you an honest assessment of your system’s condition.

Serving Our Communities Around

Murfreesboro, TN Our home base — comprehensive furnace performance and safety inspections across Murfreesboro and Rutherford County. Smyrna, TN Fall furnace performance and safety inspections for Smyrna families preparing for winter heating. La Vergne, TN Thorough furnace evaluations keeping La Vergne systems safe, clean, and efficient year after year. Christiana, TN Annual furnace safety inspection and condition classification for Christiana homes and ongoing comfort assurance. Nolensville, TN Preventive furnace evaluations catching wear early and reducing emergency heating calls in Nolensville. Mount Juliet, TN Seasonal furnace care and maintenance plan enrollment for Mount Juliet homeowners seeking reliable winter heating.

Answering Your Questions

Frequently Asked Questions About Furnace Maintenance

We recommend an annual furnace performance and safety inspection in the fall before the heating season begins. Annual service catches wear early, keeps your system clean and efficient, verifies combustion safety, and often prevents emergency repairs. If you run your furnace heavily or in a commercial setting, more frequent maintenance may be appropriate. We’ll assess your usage and recommend a schedule that fits your situation.

It’s a full System Performance Evaluation and Safety Inspection, not a quick filter change. Our five-step process covers system safety verification, airflow and performance testing, mechanical and electrical component evaluation, combustion and heat-exchanger verification, and a condition review. We measure static pressure, temperature rise, gas pressure, capacitance, and amperage; inspect the heat exchanger and venting for safety; and finish by classifying every major component Red, Yellow, or Green and reviewing the findings with you.

A genuine evaluation can’t be done in 30 minutes. Measuring static pressure and temperature rise, testing capacitance and amperage, inspecting the heat exchanger, and verifying combustion safety all take real time and real instruments. A complete inspection typically takes about 1.5 to 2 hours, sometimes longer. The first visit takes the longest because we establish a full performance baseline we measure future visits against.

Pricing varies by your specific system, its size, and its configuration, so the best way to get an accurate number is to ask us for a quote. Maintenance-plan members get predictable, locked-in pricing along with automatic scheduling and priority repair service. Your annual maintenance also qualifies for a $50 TVA EnergyRight rebate per unit, per year, which helps offset the cost.

It’s how we rate your furnace and each major component so you’re never left guessing. Green means the component is operating normally within expected parameters. Yellow means it still works but shows wear or declining performance — plan ahead, but it’s not an emergency. Red means it has failed, is near failure, or poses a safety concern such as a compromised heat exchanger, and we recommend addressing it promptly.

A gas furnace is the one piece of comfort equipment in your home that burns fuel, which means it can produce carbon monoxide if something is wrong. A cracked heat exchanger or a venting problem isn’t just an efficiency issue — it’s a safety issue. That’s why our inspection puts combustion safety first: we examine the heat exchanger, verify draft and venting, check gas connections, and confirm safety controls before anything else. We never downplay a carbon-monoxide concern.

A component doesn’t have to stop working to be failing. A blower motor that still spins but draws higher-than-normal amperage is already on its way out, and a capacitor reading below spec is declining even though the furnace still heats. Detecting that wear early — while you have time to plan a repair — is the core value of evaluating condition instead of just confirming the furnace turns on.

Yes. Reliable Comfort Services is a member of the TVA EnergyRight Quality Contractor Network, and your annual furnace maintenance qualifies for a $50 TVA EnergyRight rebate per unit, per year. We’re glad to help you take advantage of it as part of keeping your system efficient and safe.

We’ll explain the issue clearly, show you the readings behind it, and discuss your options — including how urgent it is based on its Red or Yellow classification. Some issues can be addressed during the visit; others may need a separate repair appointment with its own estimate. We never recommend unnecessary work, only repairs that improve safety or performance based on what we actually measured.

Yes. We accept plan members year-round, though fall enrollment makes the most sense so we can schedule your first performance and safety inspection before the heating season. If you enroll mid-season or in summer, we’ll schedule your first visit at a convenient time and then transition to regular fall scheduling going forward.

Related Services

Maximize Your Home Comfort Year-Round

Support your furnace maintenance with additional heating and cooling services.

Furnace Repair & Emergency Service

If your furnace fails outside regular maintenance season, we offer same-day diagnosis and emergency repairs for winter reliability.

Explore Furnace Repair & Emergency Service

Furnace Installation & Replacement

When your furnace reaches end-of-life, upgrade to an efficient new system with flexible financing options and expert installation.

Explore Furnace Installation & Replacement

Heat Pump Maintenance & Service

If you have a heat pump for year-round heating and cooling, we apply the same performance and safety inspection approach to keep both systems reliable.

Explore Heat Pump Maintenance & Service

Indoor Air Quality Solutions

A clean, healthy furnace pairs well with air filtration, UV purification, and humidity control for healthier winter air quality.

Explore Indoor Air Quality Solutions

Air Conditioning Maintenance

Pair your fall furnace inspection with a spring AC performance evaluation for year-round system reliability and efficiency.

Explore Air Conditioning Maintenance
The Reliable Comfort Services team standing together, ready to provide expert furnace maintenance and safety inspections.

Know Your Furnace Is Safe and Ready for Winter

Ready to Know Your Furnace’s True Condition?

There’s a real difference between a quick visit that confirms your furnace turns on and a full evaluation that tells you whether it’s safe, efficient, and ready for the season. Our team has delivered that deeper kind of care across Middle Tennessee, backed by 50+ years of combined experience. We measure, we inspect for combustion safety, and we classify every major component Red, Yellow, or Green so you understand your system’s true condition.

Our maintenance plan members enjoy automatic fall scheduling, predictable locked-in pricing, priority repair service, and the assurance that their heating system has been genuinely evaluated. Whether your furnace is brand new or 15+ years old, an annual performance and safety inspection catches wear early, verifies it’s burning fuel safely, and helps you avoid the no-heat emergencies that strike on the coldest nights.

Schedule Your Performance & Safety Inspection Call 615-410-6575

Join our maintenance plan for automatic annual scheduling and priority service, or learn about our financing options.