November 3, 2025
Rex, GA Heating System Replacement Costs — HVAC Guide
Estimated Read Time: 9 minutes
Shopping for a furnace replacement cost and getting wildly different quotes? You’re not alone. The true price depends on equipment, ductwork, permits, and the quality of the install. In Atlanta’s damp winters, a right‑sized, efficient system saves money and avoids mid‑January breakdowns. Below, we explain line items, smart ways to save, and how Moncrief keeps bids transparent. New to us? See the new‑customer $50 OFF repair coupon.
What really drives the cost of furnace replacement in Atlanta
Furnace replacement cost is never just the box price. Think of your system as a chain where weak links raise bills and risk safety issues. The total depends on equipment capacity, efficiency rating, duct condition, gas or electric infrastructure, code compliance, and accessories like smart thermostats.
In Atlanta homes from Buckhead to Alpharetta, attic installs require different labor than basement or crawlspace installs. Access, clearances, and condensate routing affect man‑hours. Permits and inspections are another factor. A reputable contractor pulls permits, meets code, and schedules inspections so you avoid fines and headaches. Finally, craftsmanship matters. A precise install improves comfort, lowers noise, and protects your warranty.
Moncrief begins with a free on‑site consultation and estimate. Our team evaluates your home and your needs so we can recommend the system that fits your budget and situation.
Equipment choices: gas furnace, electric furnace, or heat pump
Your equipment choice sets the baseline for furnace replacement cost. In many Atlanta homes with natural gas, a high‑efficiency gas furnace pairs well with existing ducts. All‑electric homes may compare electric furnaces versus modern heat pumps. Today’s heat pumps are quiet, efficient, and provide both heating and cooling, which can reduce total system cost over time.
We offer state‑of‑the‑art, highly energy efficient heat pumps that will heat your entire space. For homes with boilers, we’re one of the few companies in Atlanta that still install and service residential boilers. Ductless mini‑splits can solve cold bonus rooms or finished basements without touching existing ducts.
During your consult we’ll walk through pros and cons, operating costs, and incentives so you can pick the best value.
Right sizing, load calculations, and ductwork impact
A common reason furnace replacement cost jumps is ductwork. Undersized or leaky ducts waste energy and create rooms that never feel right. We partner with an engineering firm to perform proper load calculations and design. That ensures the system isn’t oversized, short‑cycling, or underdelivering in cold snaps.
If ducts need sealing, resizing, or additional returns, we’ll itemize it so there are no surprises. We also assess registers, filtration, and static pressure to protect equipment life. Correct sizing protects comfort and can lower monthly bills more than chasing the cheapest box price.
The result is a matched system that breathes well, warms quickly, and runs quieter than your old unit.
Repair vs. replace: the tipping point
Not every heating issue requires a new system. If your unit is young, a targeted repair often wins. Symptoms like a failed ignitor, inducer, or thermostat can be cost‑effective fixes. When heat exchangers crack, repairs are unsafe and replacement is the right call. If your furnace is older, prone to breakdowns, and parts are scarce, replacement can stop the repair spiral.
We start with diagnosis. Our technicians are experts when it comes to diagnosing and repairing problems with your furnace, boiler, or heat pump. We’ll present the numbers honestly: cost to repair now, expected life, and what a replacement would save you over the next several seasons.
This approach keeps you in control of both comfort and budget.
The line‑item breakdown you should expect on a quote
A transparent proposal prevents scope creep. A professional furnace replacement cost proposal often includes:
- Equipment
- Furnace or heat pump model, capacity (BTUs or tons), efficiency rating.
- Labor
- Removal and disposal, install hours, electrical and gas work, startup and commissioning.
- Ductwork
- Sealing, modifications, new returns/supplies as needed.
- Controls and IAQ
- Wi‑Fi or smart thermostat, humidifier or dehumidifier, filtration upgrades.
- Permits and inspections
- Municipality permit fees and inspection scheduling.
- Warranties and maintenance
- Manufacturer parts warranty, labor warranty, and maintenance plan details.
We include permit handling and clean site practices. Our crews protect floors and tidy thoroughly before leaving your home.
How to lower your cost without cutting corners
You can reduce your furnace replacement cost while protecting long‑term performance. Consider these smart moves:
- Choose the right efficiency tier
- Ultra‑high AFUE can be worth it, but the sweet spot is often mid‑ to high‑efficiency with strong install quality.
- Keep your existing, compatible accessories
- If your thermostat or air cleaner fits the new system and performs well, reuse it.
- Tackle duct sealing instead of full replacement
- Strategic sealing can deliver big comfort gains for less.
- Bundle projects seasonally
- Off‑peak scheduling can improve availability and may unlock better pricing.
- Enroll in maintenance
- Routine tune‑ups sustain efficiency and protect warranties. New installs at Moncrief include a free one‑year maintenance agreement.
Ask us about financing options to spread payments across predictable months.
Warranties, maintenance plans, and total cost of ownership
The sticker price is only part of furnace replacement cost. Strong warranties and maintenance reduce lifetime expense. Manufacturer warranties protect parts, while labor coverage varies by installer. Our Total Comfort Service Plan is designed to make ownership simple. Total Comfort Service Plan benefits: Same‑day service*, free parts & labor, free service visit, scheduled maintenance visits, maximize life of system, increase efficiency, and ensure performance.
We prioritize semi‑annual HVAC system maintenance. Routine maintenance is the best way to prevent winter failures and inefficient energy consumption at peak times. Expect heating maintenance when temperatures begin to fall, and cooling maintenance before Atlanta heats up.
A maintained system lasts longer, runs quieter, and uses less energy.
Process, professionalism, and communication you can trust
A great install is a coordinated process. After booking, you’ll receive an email and text confirmation. On the day of your appointment we send a text message with a contact photo and real‑time map of our arrival. We begin each service appointment with a free on‑site consultation and estimate. Then we confirm scope, protect your home, and proceed with an engineering‑led install.
We are Licensed and Insured, professionally trained, background checked, and drug tested. As a Trane Authorized Dealer, we undergo rigorous training to become experts in Trane equipment, yet we install and service other major brands as well. That means you get precise setup, validated airflow, and a clean handoff with thermostat training before we leave.
Our goal is comfort you can feel and a bill you understand.
Codes, permits, and safety: non‑negotiables
Cutting corners on code is the fastest way to turn a furnace replacement cost into a bigger problem. Proper gas line sizing, venting, combustion air, and condensate handling are safety issues. We pull permits and manage inspections so your system meets local requirements. Combustion testing and startup procedures confirm safe, efficient operation.
Indoor air quality matters too. If you suffer from dry winter air or high humidity, we can right‑size humidifiers and dehumidifiers. We also carry IAQ options that include EPA certified ozone‑free solutions on select products. These additions can improve comfort and protect finishes in your home.
Safety and compliance are built into every project we deliver.
Timeline and what to expect on install day
Most replacements take one day, with complex duct or zoning work adding time. Here’s the typical journey:
- Home assessment and load calculation
- We verify sizing and walk the job with you.
- Transparent proposal
- Clear line items and options for equipment and accessories.
- Permit and scheduling
- We coordinate with the city and plan your install date.
- Installation day
- Protection of floors, removal of old equipment, new install, quality checks, and homeowner walkthrough.
- Post‑install support
- Free one‑year maintenance agreement and reminders for seasonal tune‑ups.
From Ansley Park attic systems to Roswell basements, we tailor the plan to your space.
When heat pumps make more financial sense than a furnace
In many Atlanta‑area homes, a modern heat pump can match or beat a gas furnace on total cost of ownership. One system provides efficient cooling and heating, which can streamline maintenance and lower energy costs. If you already need an AC replacement, combining it with a heat pump swap can reduce the overall furnace replacement cost versus two separate projects.
We’ll model your operating costs and explain rebates or utility incentives when available. The goal is simple: the quietest, most efficient comfort for your budget.
Accessories that are worth it
Some add‑ons are well worth the small lift in furnace replacement cost:
- Smart thermostat
- Better scheduling, app control, and energy insights.
- High‑efficiency filtration
- Protects equipment and helps with Atlanta’s pollen seasons.
- Humidification or dehumidification
- Keeps winter humidity comfortable and protects wood floors.
We’ll only recommend accessories that fit your goals and your home’s design.
Final checklist for comparing quotes
Use this list to compare bids apples‑to‑apples:
- Load calculation documented
- Ductwork assessment and static pressure noted
- Permit fees and inspections included
- Model numbers, capacities, and efficiency listed
- Labor scope, disposal, and startup procedures specified
- Warranties and maintenance plan spelled out
If any item is missing, ask the contractor to clarify before you decide. Transparent details today prevent expensive surprises tomorrow.
Special Offers to Stretch Your Budget
- 40% OFF Regular Season Pricing for Heating Maintenance through Oct 31. Use this to keep a new system running at peak efficiency.
- $50 OFF Heating or Cooling Service or Repair for NEW Customers. Great if you’re deciding between repair and replacement.
Call (404) 350-2300 or schedule at https://moncriefair.com/ to claim your offer. Mention the “40% OFF Maintenance” or “$50 OFF New‑Customer Repair” promotions when booking.
What Homeowners Are Saying
"Last Monday, we had a new variable speed SEER 16 Bosch heat pump installed by Moncrief (after doing a lot of research and getting other quotes). ... So far, we have not been disappointed!"
–Berneta H., Heating Installation
"He found the problem, a faulty ignitor, and quickly repaired our heating system."
–Jim P., Heating Repair
"Installation of my new ac/heater went smoother than I anticipated. They were mindful of my carpet and flooring and cleaned up everything before they left."
–Vicki N., Heating Installation
"The installation went smoothly and they showed us how to work the new thermostat before they left. We are very satisfied with their work and the new system."
–Carol W., System Installation
Frequently Asked Questions
How much does a furnace replacement cost in Atlanta?
Furnace replacement cost varies with equipment, ductwork, and permits. Most quotes include the unit, labor, disposal, controls, and inspections. We provide a free on‑site consultation and itemized estimate so you can compare options with no surprises.
Is a heat pump cheaper to own than a furnace?
Often in our climate, yes. A modern heat pump provides both heating and cooling, which can lower total ownership cost. We’ll model operating costs for your home and compare them to a gas or electric furnace.
Do I need new ductwork with a replacement?
Not always. We test static pressure and inspect for leaks. Many homes benefit from targeted sealing or added returns rather than full replacement. We’ll show you the options and the comfort impact of each.
How long does installation take?
Most standard replacements take a day. Complex duct changes or add‑ons can extend the timeline. We text arrival updates, protect your home, and complete a homeowner walkthrough before we leave.
What warranties and maintenance should I expect?
Expect manufacturer parts coverage and an installer labor warranty. New Moncrief installs include a free one‑year maintenance agreement. Our Total Comfort Service Plan adds same‑day service*, free parts and labor on covered items, and scheduled tune‑ups.
Key Takeaway
Furnace replacement cost comes down to the equipment you choose, the health of your ducts, and the quality of the install. For Atlanta homeowners, a right‑sized system and clear, itemized quote protect comfort and budget.
Ready to Compare Real Numbers?
Call Moncrief Heating & Air Conditioning at (404) 350-2300 or book at https://moncriefair.com/. Ask about 40% OFF Heating Maintenance through Oct 31 and $50 OFF new‑customer repairs. Let’s right‑size your furnace replacement cost in Atlanta and get you comfortable, fast.
Call (404) 350-2300 or schedule at https://moncriefair.com/ now. Mention “40% OFF Heating Maintenance” or “$50 OFF New‑Customer Repair” when you book your evaluation.
Moncrief Heating & Air Conditioning has served Atlanta homeowners for over 125 years. We are Licensed and Insured, professionally trained, background checked, and drug tested. As a Trane Authorized Dealer, we receive advanced training while servicing all major brands. Expect engineering-led system design, texted technician ETAs, and white‑glove installs. New system installs include a free one‑year maintenance agreement. Ask about our Total Comfort Service Plan with same‑day service*, free parts and labor on covered issues, and scheduled tune‑ups.