Basic
Price Varies
Standard efficiency gas furnaces
Entry-level units for smaller homes with existing ductwork in good condition. Typically completed in one day.
Same-Day Estimates Available
based on 11 Google Reviews
Furnace Installation & Replacement in Mandeville, LA
Properly Sized. Expert Installed. Built to Last.
Family-Owned
Family-owned and operated with fair, honest service.
American Standard Dealer
Certified to install and service American Standard heating systems.
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No-cost in-home quotes before any equipment is ordered.
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Furnace installation and replacement in Mandeville, LA involves removing your old heating unit, properly sizing and installing a new system, and verifying safe, code-compliant operation. Drinkard Air Conditioning and Heating has served Mandeville and the Northshore. Call (985) 893-2761 for a free estimate.
Family-Owned Since 1995
Second-generation, family-owned service built on honesty, integrity, and lasting customer relationships.
Commitment to Quality
Every repair, installation, and maintenance service is completed with quality workmanship and attention to detail.
5-Star Google Rates
We are consistently rated 5 stars on Google by our amazing customers as one of the top AC & Heating companies in Southeast Louisiana.
Furnace Installation in Mandeville, LA
Furnace installation and replacement refers to the process of removing an existing heating system and installing a properly sized, new furnace, including the supply plenum, drain pans, thermostat, electrical disconnect, and float switches.
Mandeville homeowners face unique heating challenges. St. Tammany Parish's subtropical climate creates high humidity year-round, which can affect heating system performance. Many homes built in the 1980s and 1990s may run older furnaces or undersized systems that lose efficiency over time.
When winter cold fronts push through the Northshore, those aging systems are put to the test. A furnace that runs inefficiently drives up energy bills without delivering consistent warmth.
According to the U.S. Department of Energy, furnaces that are 15 to 20 years old operate at lower efficiencies compared to modern high-efficiency units rated at 90% AFUE or higher.
Drinkard Air Conditioning and Heating has been serving Mandeville residents with furnace installation and replacement services, bringing expertise to every job.
Signs You Need Furnace Replacement in Mandeville
Your furnace usually shows warning signs before it quits entirely. Here is what Mandeville homeowners should watch for, and common root causes that drive most furnace failures on the Northshore.
Signs You Need Furnace Installation in Mandeville
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System blows cool or lukewarm air
Heat exchanger or burner issue. System runs but cannot produce consistent warmth.
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Furnace cycles on and off repeatedly
Short cycling often points to an oversized system or failing limit switch.
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Unusually high heating bills this winter
Efficiency loss in older units forces longer run times to reach set temperature.
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System is 15 or more years old
Older furnaces are approaching the end of their reliable service life.
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Visible rust, cracks, or corrosion on the unit
St. Tammany Parish humidity can accelerate corrosion on older furnace cabinets and heat exchangers.
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Uneven heating room to room
Could be an undersized system or ductwork issue. Both are common in older Mandeville homes.
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Strange sounds: banging, rattling, or popping
Worn blower motors, loose panels, or ignition problems cause most furnace noises.
Why Furnaces Fail Faster in Mandeville
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Humidity damage
Moisture corrodes components over time
St. Tammany Parish experiences high rainfall and moisture levels throughout the year. That persistent moisture can attack heat exchanger surfaces, burner assemblies, and electrical connections inside the furnace cabinet, potentially shortening service life compared to drier climates.
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Sizing mismatch
Wrong-sized systems wear out faster
Many Mandeville homes built before 2000 may have been equipped with furnaces sized to older calculations that did not account for current insulation standards or square footage changes from additions. An oversized furnace short-cycles constantly, stressing the heat exchanger and blower motor and cutting years off the system's life.
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Deferred maintenance
Skipped tune-ups compound every issue
In Louisiana's mild winters, furnace maintenance gets postponed more often than in colder markets. Dirty burners, clogged drain lines, and unchecked capacitors each add incremental stress until a single cold snap triggers a full system failure. Catching these issues early with regular inspections is an effective way to extend furnace life.
What Furnace Installation Includes in Mandeville
Here is what happens during a furnace installation in Mandeville, and what can go wrong if a failing system is left running too long.
Installation Process
What Our Technicians Do on Every Install
Every furnace installation in Mandeville follows a disciplined step-by-step process. No shortcuts, no surprises, and no equipment ordered before you approve the quote.
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In-Home Load Calculation
We calculate the correct furnace size for your specific home, accounting for your square footage, insulation, and duct layout.
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Equipment Selection
We present options that match your home's needs and your budget, including efficiency ratings, and explain the trade-offs before anything is ordered.
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Old System Removal
Your existing furnace is safely disconnected, removed, and disposed of in compliance with local requirements.
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New System Installation
We install the new furnace along with a new supply plenum, drain pans, thermostat, electrical disconnect, and float switches as part of every standard installation.
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Permit and Inspection
We handle the permit application and schedule the inspection so you do not have to coordinate with the building office yourself.
Cost of Waiting
What Happens When You Delay Replacement
A repair on a failing furnace can become an emergency replacement when the system quits during cold weather.
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Carbon monoxide risk increases
Cracked heat exchangers in aging furnaces can allow combustion gases to enter living spaces. This is a safety hazard that worsens the longer a failing system runs.
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Emergency replacement costs more
After-hours and weekend furnace calls carry a higher service rate. A planned replacement scheduled during regular hours avoids premium pricing.
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Higher monthly energy bills
A furnace operating at lower efficiency costs significantly more to run than a modern high-efficiency replacement unit.
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Compounding repair costs
Each failed component triggers stress on adjacent parts. One repair now often precedes additional failures in the seasons that follow.
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Warranty opportunities lost
New equipment registered at installation qualifies for warranty coverage on residential systems. Delaying means losing that coverage window.
Repair or Replace? Furnace Guide for Mandeville Homeowners
Most furnace problems in Mandeville do not require a full replacement. But some do. Here is a straightforward framework to help you decide.
30%
The Replacement Threshold
If a repair would cost more than 30-40% of the price of a new system and your furnace is already over 12 years old, replacement may be worth considering on a cost basis. A repair estimate that approaches a significant percentage of replacement cost is a signal to weigh your options.
Consider Repair
Keep the existing unit running
Repair is usually the right call when your system is relatively young and the issue is isolated to a single component.
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Furnace is under 12 years old and has been regularly maintained
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Repair cost is less than 30% of a new system's installed price
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This is the first major failure, not a recurring pattern
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No signs of heat exchanger cracking or combustion gas leakage
Consider Replacement
Time for a new system
Replacement makes financial and safety sense when repair costs approach a significant share of what a new system would cost.
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Furnace is 15 years old or older with no recent major service
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You have had 2 or more major repairs in the past 2 heating seasons
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Repair estimate exceeds 40% of the cost of a new installation
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The existing unit uses an older gas valve or control board no longer manufactured
Call (985) 893-2761 for a free diagnostic and an honest repair-versus-replace recommendation.
Furnace Installation Cost - Mandeville, LA
Honest Pricing Before Any Equipment Is Ordered
Furnace installation and replacement costs in Mandeville vary based on equipment size, efficiency rating, and existing ductwork condition. Here is a realistic breakdown of what most homeowners in the area may pay.
Furnace installation and replacement projects in Mandeville, LA vary in cost based on equipment efficiency, home size, and ductwork condition. We provide a written estimate before any work begins.
Mid-Range
Price Varies
High-efficiency 90%+ AFUE systems
High-efficiency gas furnaces for average-sized homes. Includes new thermostat, plenum, and drain pan as standard.
Major
Price Varies
Full system replacement with ductwork
Complete furnace replacement with duct repairs or partial rerouting for homes with leaking or undersized ductwork.
What changes the price
- Furnace size (BTU output): Larger homes require higher-capacity units, which carry a higher equipment cost.
- Efficiency rating (AFUE): 90%+ AFUE systems cost more upfront but reduce monthly heating bills over time.
- Ductwork condition: Homes with leaking or undersized ducts may require additional ductwork work quoted separately.
- Existing equipment removal: Safe disconnection and disposal of the old unit is included in our standard installation price.
- Permit requirements: We handle required permits for furnace replacement as part of every install.
- Thermostat upgrade: A new programmable or smart thermostat is included in every installation. Specialty models may add to the total.
* These ranges are general estimates based on typical area projects. Your actual cost is determined after an in-home assessment and is provided in writing before any work begins.
At Drinkard Air Conditioning and Heating, you receive a written quote before any equipment is ordered. No surprises at installation. No invoices that do not match what was agreed upon.
Why the Mandeville, LA Community Chooses Drinkard for Furnace Installation
Drinkard Air Conditioning and Heating has been serving the Northshore. When Steven Serpas and his brother-in-law took over the company in 2024, they carried forward the same commitment to fair, honest service that built the business. This is not a franchise or a call center. When you call, you get a local technician who lives and works in St. Tammany Parish.
The company maintains a 5.0 rating on Google. Drinkard AC supports local sports teams and community charities because this community is where we work and where we live.
Family-Owned Since 1995
Second-generation, family-owned service built on honesty, integrity, and lasting customer relationships.
Commitment to Quality
Every repair, installation, and maintenance service is completed with quality workmanship and attention to detail.
5-Star Google Rates
We are consistently rated 5 stars on Google by our amazing customers as one of the top AC & Heating companies in Southeast Louisiana.
High-Efficiency Comfort Solutions
We recommend energy-efficient HVAC systems and products designed to maximize comfort while reducing energy costs.
American Standard Care Dealer
Certified to install, maintain, and repair American Standard heating and cooling systems, delivering trusted expertise and dependable comfort solutions.
Contact Drinkard AC for Furnace Service in Mandeville
Drinkard Air Conditioning and Heating serves Mandeville and the entire Northshore with expert furnace installation, replacement, and repair. Our team is available Monday through Friday to schedule your free in-home estimate. Fill out the form on this page and we will follow up promptly to confirm your appointment.
Phone
Hours of Operation
24/7 Emergency Service Available
Mon: 8AM – 5PM
Tue: 8AM – 5PM
Wed: 8AM – 5PM
Thu: 8AM – 5PM
Fri: 8AM – 5PM
Sat: Closed – Closed
Sun: Closed – Closed
Mon: 8AM – 5PM
Tue: 8AM – 5PM
Wed: 8AM – 5PM
Thu: 8AM – 5PM
Fri: 8AM – 5PM
Sat: Closed – Closed
Sun: Closed – Closed
Free Estimates Available
Schedule Your Service
Pick your time — we'll confirm in minutes
Request Received!
We will call you to finalize your appointment shortly.
For immediate or emergency service:
Common Questions
Furnace Installation Questions, Answered Straight
Real answers about furnace installation and replacement in Mandeville. No callbacks needed to get pricing context or process clarity.
Answers before any wrench turns.
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Furnace installation in Mandeville depends on equipment size, AFUE efficiency rating, and ductwork condition. Standard 80% AFUE systems are on the lower end. High-efficiency 90%+ AFUE units with new plenums, thermostats, and drain pans fall in the mid-to-upper range. You receive a written quote before any equipment is ordered.
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Most furnace installations in Mandeville are completed in a single day. Our technicians typically arrive in the morning, remove the old unit, install and test the new system, and complete a full walkthrough before end of day. Homes requiring significant ductwork may take an additional day, quoted separately in advance.
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Yes. Drinkard Air Conditioning and Heating offers same-day estimates on most furnace installation and replacement requests in Mandeville. Call (985) 893-2761 and we will do our best to get a technician to your home for a free in-home assessment.
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Every standard furnace installation includes removal of the old unit, installation of the new furnace, a new supply plenum, drain pans, thermostat, electrical disconnect, and float switches. Ductwork is inspected but quoted as a separate line item if repairs are needed. Permits and the parish inspection are handled by our team as part of the installation.
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Yes. St. Tammany Parish requires a permit for furnace replacement, and Drinkard Air Conditioning and Heating handles the permit application and coordinates the inspection on your behalf. This is included in the installation process at no additional coordination cost to you.
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Our technicians will evaluate your furnace and walk through repair versus replacement options with you, considering the age of the unit, repair costs, and long-term value. We help you make the best decision for your home.
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Furnace sizing for a Mandeville home accounts for square footage, ceiling height, insulation levels, window area, and ductwork layout. Proper sizing ensures comfort and efficiency. We calculate the correct size before recommending any equipment.
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Yes. Drinkard Air Conditioning and Heating offers financing options for qualifying furnace installation and replacement projects. Ask about current terms when you call for your free estimate.
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New residential equipment registered at installation qualifies for warranty coverage. We register your equipment at installation so the warranty period begins correctly. Ask your technician about specific coverage terms for the model installed in your home.
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Yes. Emergency furnace service in Mandeville is available outside normal business hours. After-hours and weekend calls are available. If your furnace stops working, call (985) 893-2761 and we will dispatch as quickly as possible.
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For Mandeville's climate, an 80% AFUE furnace is adequate for most homes given Louisiana's relatively mild winters. Homeowners looking for lower long-term operating costs often choose 90%+ AFUE models. We present both options with cost comparisons during your free in-home estimate.
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Drinkard Air Conditioning and Heating serves Mandeville and surrounding areas including Covington, Madisonville, Abita Springs, Slidell, and Franklinton. Call to confirm availability in your specific area.
Serving Mandeville and the Entire Northshore
Drinkard Air Conditioning and Heating is a family-owned HVAC contractor serving Mandeville and the Northshore. We're committed to quality service for homeowners and businesses throughout the region. Our team is familiar with local homes and requirements for furnace installation and other HVAC services.
St. Tammany Parish
Washington Parish
Franklinton
East Baton Rouge Parish
Baton Rouge
Louisiana State University
Furnace Timing Guide
When to Schedule Furnace Work in Mandeville
Louisiana winters are short but can arrive fast. Here is when Mandeville homeowners should act to avoid emergency pricing and installation backlogs.
Fall
Best window for planned replacements
September to November
Fall is a good time to schedule furnace installation in Mandeville. Equipment is typically more readily available before the winter season. Replacing a system before the first cold front hits means no emergency pricing and more time to evaluate equipment options.
Winter
Cold front season on the Northshore
December to February
Mandeville can see temperatures drop into the low 30s during January cold fronts. Furnace failures during this window carry after-hours rates if they occur on evenings or weekends. Systems that showed symptoms in fall often fail during the first sustained cold snap of winter.
Spring
Post-season assessment and planning
March to May
Spring is a good time to schedule a furnace inspection after the heating season ends. A technician can assess the condition of your heating system before it becomes a concern next winter. Planning a replacement in spring gives you time to compare options without any urgency.
Summer
Lowest demand for heating service
June to August
Summer is the slowest season for furnace work in Mandeville. Scheduling a replacement in summer may mean more flexible scheduling options. If your system failed last winter and you have been using space heaters, summer is the time to plan the permanent fix before fall arrives.
Ready to schedule furnace installation in Mandeville?
Free estimates available. Most installs completed in a single day.