Commercial Service · Greater New Orleans

Roof Top AC Service in New Orleans | Commercial RTU Repair & Replacement

Expert commercial rooftop HVAC repair, maintenance, and replacement for businesses throughout Greater New Orleans. Veteran-owned. NATE-certified. 17 years experience.

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When a rooftop HVAC unit goes down in the middle of a New Orleans summer, the consequences hit fast. A hotel loses guest comfort. A restaurant kitchen turns into a liability. A warehouse full of temperature-sensitive inventory starts sweating. Rooftop units — the workhorses of commercial climate control across Greater New Orleans — carry enormous responsibility, and when they fail, every hour of downtime costs real money.

At New Orleans Mechanical Pros, we have been servicing, repairing, and replacing commercial rooftop HVAC systems throughout Orleans Parish, Jefferson Parish, St. Bernard Parish, and St. Tammany Parish since 2009. Our commercial HVAC technicians are NATE-certified, EPA 608-certified, and experienced with every major RTU manufacturer on the market. Whether you manage a single retail strip center in Metairie or a multi-building hotel complex in the French Quarter, we bring the same level of precision and urgency to every rooftop call.

This guide covers everything facility managers, property owners, and business operators in the Greater New Orleans area need to know about rooftop HVAC systems — from how they work and why they fail, to when repair makes sense versus when replacement is the smarter investment.

What Is a Rooftop HVAC Unit (RTU)?

A rooftop unit, commonly called an RTU or packaged rooftop unit, is a self-contained commercial HVAC system installed on the roof of a building. Unlike residential split systems — which separate the air handler inside from the condenser outside — an RTU houses every component in a single weatherproof cabinet: the compressor, condenser coil, evaporator coil, blower motor, heat exchanger, and in many cases an economizer for free cooling when outdoor temperatures allow.

Supply air travels from the RTU down through roof penetrations into the building's duct system, delivering conditioned air to occupied spaces. Return air is pulled back up through a separate duct path, completing the loop. Because everything is packaged on the roof, RTUs save valuable interior floor space and simplify maintenance access — a technician can service the entire system from the rooftop without entering occupied areas.

Why Commercial Businesses in New Orleans Depend on Rooftop Units

RTUs are the dominant commercial HVAC technology across the Gulf Coast for good reason. They are designed to handle large cooling loads — typically ranging from 3 tons to 25 tons per unit — making them ideal for the wide-open floor plans of retail stores, the high-occupancy demands of hotels, and the intense heat loads of commercial kitchens. They are also modular: a large building can run multiple RTUs in parallel, allowing one unit to be serviced or replaced without shutting down the entire building's climate control system.

Industries That Rely on Rooftop HVAC Systems

Nearly every commercial sector in New Orleans depends on properly functioning RTUs. Restaurants need rooftop units to manage kitchen heat loads, maintain dining room comfort, and provide the fresh air ventilation required by health codes. Hotels rely on RTUs for guest room corridors, lobbies, conference rooms, and common areas. Hospitals and medical facilities require precise climate control and air quality standards that only well-maintained RTUs can reliably deliver. Warehouses and distribution centers use RTUs to protect inventory and maintain safe working conditions for employees. Retail centers and office buildings depend on RTUs to keep customers and tenants comfortable year-round. Schools, churches, and government buildings across Jefferson Parish and Orleans Parish run RTU-based systems that must perform reliably during peak occupancy periods.

Rooftop Unit Repair New Orleans — Common Problems and Fast Solutions

Commercial RTUs in New Orleans face a uniquely punishing operating environment. The combination of extreme summer heat, near-constant high humidity, salt air from the Gulf Coast, and the occasional hurricane-force wind event accelerates wear on every component. Understanding the most common failure points helps facility managers catch problems early — before a minor repair becomes a full replacement.

Common Rooftop HVAC Problems We Diagnose and Repair

The most frequent RTU failure we see in Greater New Orleans is compressor failure — often triggered by refrigerant leaks that go undetected until the compressor runs dry. A compressor replacement on a commercial RTU is a significant repair, but it is far less expensive than replacing the entire unit when the rest of the system is in good condition. We also regularly diagnose and repair condenser fan motor failures, which are common in units exposed to direct Gulf Coast sun and salt-laden air. When the condenser fan stops moving air across the coil, head pressure spikes and the compressor shuts down on high-pressure lockout — your tenants or customers feel it immediately.

Blower motor issues are another top call driver, particularly in older RTUs with belt-driven blowers. Belts stretch, crack, and eventually snap, stopping airflow entirely. Modern direct-drive blower motors eliminate the belt failure point, which is one reason we often recommend upgrading to a current-generation unit when an older belt-drive RTU requires major repairs. Refrigerant leaks are endemic in New Orleans due to the vibration and thermal cycling that RTUs experience through our extreme seasonal temperature swings. Leaks most commonly develop at Schrader valves, flare fittings, and brazed joints — all of which our technicians locate using electronic leak detectors and UV dye injection.

Electrical failures account for a large share of RTU no-cool calls. Contactor failure is extremely common — the contactor is the high-amperage switch that energizes the compressor and condenser fan, and it takes a beating every time the unit cycles on. Capacitor failures are equally frequent; a failed start capacitor means the compressor or fan motor cannot start, even though the unit appears to be running. Thermostat communication issues and control board failures are becoming more common as older RTUs age past their designed service life. Frozen evaporator coils, clogged drain lines, and dirty condenser coils round out the list of issues we address on nearly every commercial maintenance visit.

Why Immediate RTU Repairs Matter for New Orleans Businesses

A failed rooftop unit is not just a comfort issue — it is a business continuity issue. A restaurant that cannot maintain safe food temperatures faces health code violations and potential closure. A hotel with failed HVAC in guest rooms faces chargebacks, negative reviews, and occupancy loss. A warehouse with a down RTU risks product spoilage and OSHA heat-related workplace violations. Beyond the immediate operational impact, delayed repairs allow secondary damage to accumulate: a refrigerant leak that runs for weeks can destroy a compressor; a clogged drain that overflows can damage ceilings and interior finishes; a dirty condenser coil that runs hot all summer can shorten the entire unit's lifespan by years.

Why Businesses Choose New Orleans Mechanical Pros for RTU Repairs

Our commercial HVAC team responds fast because we understand what downtime costs. We carry a fully stocked service fleet with common RTU components — capacitors, contactors, fan motors, control boards, and refrigerant — so most repairs are completed on the first visit. We are a veteran-owned business with 17 years of commercial HVAC experience in Greater New Orleans, and our technicians are trained on every major RTU platform. We are fully licensed under Louisiana State Contractor License #75402 and carry commercial general liability and workers' compensation insurance on every job.

Commercial Rooftop HVAC New Orleans — Buildings We Service

Our commercial rooftop HVAC team serves the full spectrum of commercial property types across the Greater New Orleans metro area. Each building type presents unique demands, and we tailor our service approach accordingly.

Restaurants and Food Service Facilities

Commercial kitchens generate extraordinary heat loads from cooking equipment, and the dining room must remain comfortable regardless of what is happening in the back of house. We service restaurant RTUs with an understanding of the fresh air ventilation requirements, makeup air systems, and kitchen exhaust integration that food service facilities demand. We also understand the urgency: a restaurant cannot operate without climate control, and we prioritize food service calls accordingly.

Hotels and Hospitality Properties

Hotels in New Orleans — from the boutique properties in the French Quarter to the large convention hotels along Canal Street — depend on RTU systems for guest comfort in corridors, lobbies, meeting rooms, and common areas. We provide preventive maintenance agreements specifically designed for hospitality properties, with after-hours service availability and documented maintenance records for property management reporting.

Warehouses and Distribution Centers

Temperature control in a warehouse is about more than comfort. Many distribution operations in the Elmwood and Kenner industrial corridors store temperature-sensitive products that require consistent climate conditions. We design and maintain RTU systems for warehouses with an understanding of the large open-span cooling challenges and the energy efficiency requirements of high-ceiling spaces.

Hospitals, Medical Offices, and Healthcare Facilities

Healthcare facilities operate under strict indoor air quality and ventilation standards set by ASHRAE 170 and local health codes. Our commercial team is experienced with the filtration, outside air, and pressure relationship requirements of medical environments. We service RTUs in medical office buildings, outpatient clinics, and specialty healthcare facilities throughout Orleans and Jefferson Parishes.

Office Buildings and Retail Centers

Multi-tenant office buildings and retail centers in Metairie, Harahan, and the New Orleans CBD rely on RTU systems to maintain tenant comfort and meet lease obligations. We provide multi-unit maintenance contracts for property management companies, with scheduled service visits, detailed service reports, and priority emergency response for contract holders.

RTU Repair New Orleans — Emergency Rooftop HVAC Services

Commercial HVAC emergencies do not wait for business hours, and neither do we. Our commercial service team is available for emergency RTU repair throughout Greater New Orleans, including Chalmette, Slidell, Mandeville, Covington, Gretna, Harvey, Marrero, and Westwego.

Signs You Need Immediate RTU Repair

Certain symptoms demand an immediate service call. Warm air from supply registers when the thermostat is calling for cooling indicates a compressor, refrigerant, or electrical failure. Loud banging, grinding, or squealing noises from the rooftop unit signal mechanical failure in progress — continuing to run the unit risks catastrophic damage. Burning smells from supply registers indicate an electrical fault that must be addressed immediately to prevent fire risk. Unusually high electric bills without a corresponding change in usage often point to a failing compressor running inefficiently. Short cycling — the unit turning on and off rapidly — indicates a pressure or temperature control issue that stresses every component in the system. Water leaking from ceiling diffusers means the RTU's condensate drain is blocked and overflowing into the building.

Our Emergency Commercial HVAC Response

When you call New Orleans Mechanical Pros with a commercial RTU emergency, you reach a live dispatcher who understands commercial HVAC — not an answering service. We dispatch a commercial-trained technician with a fully stocked service vehicle. For most common failures, we can restore cooling on the first visit. When a repair requires special-order parts, we provide temporary cooling solutions and expedite parts procurement through our commercial supply network.

Preventive Rooftop HVAC Maintenance — Protecting Your Investment

The single most effective way to reduce RTU repair costs and extend equipment life is a structured preventive maintenance program. Commercial RTUs in New Orleans should be serviced at minimum twice per year — once in the spring before the brutal summer cooling season begins, and once in the fall to prepare for the heating season. High-demand facilities like restaurants, hotels, and hospitals benefit from quarterly inspections.

Why Preventive Maintenance Saves Money

A commercial RTU that receives regular preventive maintenance will typically last 15 to 20 years. The same unit neglected — running with dirty coils, worn belts, low refrigerant, and failing electrical components — may fail catastrophically in 8 to 10 years. Beyond lifespan, dirty condenser coils alone can increase a unit's energy consumption by 20 to 30 percent. In a commercial building running multiple RTUs around the clock during a New Orleans summer, that energy waste adds up to thousands of dollars annually. Preventive maintenance pays for itself many times over in reduced energy costs, avoided emergency repairs, and extended equipment life.

What Our Commercial RTU Maintenance Includes

Our commercial preventive maintenance visits cover every system component. We replace or inspect air filters and document filter condition. We clean condenser and evaporator coils using appropriate coil cleaners — a critical step in New Orleans where salt air and organic debris accelerate coil fouling. We inspect and replace belts on belt-drive blowers before they fail. We perform electrical testing of contactors, capacitors, wiring connections, and control boards. We check refrigerant charge with calibrated manifold gauges and document system operating pressures. We calibrate thermostats and building automation interfaces. We clear and treat condensate drain lines to prevent overflow. We inspect fan motors for bearing wear and amperage draw. We test compressor operation and document suction and discharge pressures against manufacturer specifications. Every visit produces a written service report that documents findings, actions taken, and any recommended repairs — giving facility managers the documentation they need for warranty compliance and capital planning.

Rooftop HVAC Replacement Services in New Orleans

There comes a point in every commercial RTU's life when continued repair is no longer the right financial decision. Knowing when that point has arrived — and having a trusted contractor to guide the replacement process — is critical for facility managers and property owners.

When Should You Replace a Rooftop HVAC Unit?

The clearest signal for replacement is age combined with repair frequency. A commercial RTU that is 15 to 20 years old and has required multiple major repairs in the past two to three years has almost certainly crossed the line where replacement delivers better long-term value than continued repair. The "50 percent rule" is a useful benchmark: if a single repair will cost more than 50 percent of the unit's replacement value, replacement is almost always the better investment.

Rising energy consumption is another strong replacement indicator. Modern commercial RTUs achieve IEER (Integrated Energy Efficiency Ratio) ratings that are 30 to 50 percent better than units manufactured 15 years ago. In a New Orleans commercial building running an RTU 10 to 12 hours per day through a seven-month cooling season, that efficiency gap translates to substantial annual energy savings. Poor cooling performance — an RTU that can no longer maintain setpoint temperatures during peak summer heat — often indicates a degraded compressor or heat exchanger that cannot be economically restored. Refrigerant type is also a factor: units still running R-22 refrigerant face escalating refrigerant costs as the supply of reclaimed R-22 continues to shrink, and replacement with an R-410A or R-454B unit eliminates that ongoing cost exposure.

Benefits of Replacing an Aging Rooftop Unit

A new commercial RTU delivers immediate operational benefits. Lower energy costs from modern high-efficiency compressors and variable-speed components. Better indoor comfort from improved humidity control and more precise temperature regulation. Smart controls and building automation compatibility — modern RTUs communicate via BACnet and Modbus, enabling integration with building management systems for energy monitoring and remote diagnostics. Improved humidity control is particularly valuable in New Orleans, where summer dewpoints regularly exceed 75°F and interior humidity management is a constant challenge. New RTUs with variable-speed compressors modulate capacity to match the building load, running longer at lower capacity and removing far more moisture from the air than older single-speed units.

Our Rooftop Unit Replacement Process

We manage the entire replacement process from initial assessment through commissioning. We begin with a load calculation to confirm the correct tonnage for the building — a step that many contractors skip, resulting in oversized units that short-cycle and fail to control humidity. We source equipment from our commercial supply partners, coordinate crane service for rooftop lifts, handle all City of New Orleans and Jefferson Parish permits, and commission the new unit to manufacturer specifications. We also provide documentation for utility rebate programs, which can offset a significant portion of the replacement cost for qualifying high-efficiency equipment.

Commercial HVAC Brands Serviced by New Orleans Mechanical Pros

Our commercial technicians are trained and experienced on every major commercial RTU platform in the market. We service and replace units from Trane, Carrier, Lennox, York, Daikin, Rheem, Goodman, American Standard, AAON, Liebert, Mitsubishi Commercial, and Bryant, among others. We maintain relationships with commercial HVAC distributors throughout the Gulf Coast region, giving us access to OEM and aftermarket parts with competitive lead times. If your building runs a less common or legacy RTU brand, call us — our technicians have the diagnostic skills and parts sourcing capability to service virtually any commercial packaged unit.

Why Rooftop HVAC Systems Fail Faster in New Orleans

New Orleans is one of the most demanding operating environments for commercial HVAC equipment in the United States. Understanding the specific climate factors that accelerate RTU wear helps facility managers make better maintenance and replacement decisions.

Climate Factors That Stress Commercial RTUs in Greater New Orleans

Extreme summer heat — with heat index values regularly exceeding 110°F from June through September — pushes RTU compressors to their design limits for months at a time. Unlike the intermittent cooling demands of northern climates, New Orleans RTUs run nearly continuously during the summer, accumulating operating hours at a rate that accelerates wear on every mechanical component. High humidity means condensate systems are working at maximum capacity for the entire cooling season; clogged drains and overflowing drain pans are far more common here than in drier climates.

Salt air corrosion is a factor that many facility managers underestimate. Buildings within 10 to 15 miles of the Gulf Coast — which includes virtually all of Greater New Orleans — experience accelerated corrosion of RTU cabinets, coil fins, electrical connections, and refrigerant line fittings. According to the EPA Section 608 refrigerant regulations, all refrigerant handling must be performed by certified technicians — a standard our team meets on every service call. We apply corrosion-inhibiting coatings to condenser coils and electrical components on all new installations and recommend annual coil coating inspections as part of our maintenance programs. Heavy rainfall and the flooding risk associated with New Orleans geography means RTU bases and curbs must be properly sealed and elevated to prevent water intrusion. Hurricane exposure requires that RTUs be properly anchored to the roof structure — a detail that is sometimes overlooked during installation and discovered only when a storm event shifts or damages a unit. UV damage from intense Gulf Coast sunlight degrades RTU cabinet coatings, electrical insulation, and refrigerant line insulation over time.

Our maintenance programs are specifically designed for Gulf Coast operating conditions. We use coil cleaners formulated for salt-air environments, apply corrosion-inhibiting treatments to exposed metal components, and inspect hurricane anchoring on every preventive maintenance visit. This is not a generic national HVAC maintenance checklist — it is a program built around what actually fails in New Orleans.

Why Businesses Trust New Orleans Mechanical Pros for Commercial Rooftop HVAC

Choosing a commercial HVAC contractor is a long-term relationship decision. The contractor who services your rooftop units will have access to your building, your equipment history, and your operational schedule. You need a company with the technical depth to handle complex commercial systems, the business stability to be there when you need them, and the integrity to give you honest recommendations rather than upselling unnecessary work.

Our Commercial HVAC Credentials and Experience

New Orleans Mechanical Pros is a veteran-owned business with more than 17 years of commercial HVAC experience in Greater New Orleans. Our commercial technicians hold NATE certification in commercial HVAC and EPA 608 Universal certification for refrigerant handling. We carry Louisiana State Contractor License #75402 and maintain commercial general liability insurance and workers' compensation coverage on every project. We are BBB Accredited with an A+ rating and have maintained a 4.9-star Google rating across more than 200 verified reviews.

We offer commercial service agreements that provide scheduled preventive maintenance, priority emergency response, documented service history, and preferred pricing on repairs. Our service agreements are designed for property management companies, facility managers, and business owners who want predictable maintenance costs and the assurance that their equipment is being professionally managed. We provide honest recommendations — when a repair is the right call, we say so; when replacement delivers better long-term value, we explain why with documented data rather than sales pressure.

Industries We Serve Throughout Greater New Orleans

Our commercial rooftop HVAC team serves a wide range of industries across Orleans Parish, Jefferson Parish, St. Bernard Parish, and St. Tammany Parish. We work with hotels and hospitality properties throughout the French Quarter, the CBD, and the airport corridor. We serve restaurants and food service operations from fine dining establishments in Uptown to fast-casual chains in Metairie and Kenner. We maintain RTU systems for hospitals and medical office buildings in the Medical District and throughout the metro area. We service industrial facilities and manufacturing plants in the Elmwood and Avondale industrial corridors. We work with office buildings and shopping centers in Metairie, Harahan, and River Ridge. We maintain HVAC systems for schools, churches, and government buildings across Jefferson and Orleans Parishes. We service warehouses and distribution centers in Kenner, Westwego, and Gretna. We work with multi-family properties and mixed-use developments throughout the Greater New Orleans area.

Rooftop HVAC Service Areas Around New Orleans

New Orleans Mechanical Pros provides commercial rooftop HVAC service throughout the Greater New Orleans metropolitan area. Our commercial service territory covers New Orleans and all of Orleans Parish — including the Central Business District, French Quarter, Uptown, Mid-City, Lakeview, Gentilly, and the Lower Ninth Ward. We serve all of Jefferson Parish, including Metairie, Kenner, Harahan, River Ridge, Elmwood, Jefferson, Gretna, Harvey, Marrero, and Westwego. Our commercial team covers St. Bernard Parish, including Chalmette and Arabi. We also serve the Northshore communities of Slidell, Mandeville, and Covington in St. Tammany Parish.

If your commercial property is located anywhere in the Greater New Orleans area and you need rooftop HVAC service, repair, maintenance, or replacement, call us at (504) 826-3775. We will dispatch a commercial-trained technician to your location.

Frequently Asked Questions — Rooftop HVAC Service in New Orleans

How often should a commercial rooftop HVAC unit be serviced?

Commercial rooftop units should receive preventive maintenance at minimum twice per year — once in the spring before the summer cooling season and once in the fall before the heating season. High-demand facilities such as restaurants, hotels, hospitals, and 24-hour operations benefit from quarterly inspections. In New Orleans specifically, the combination of extreme summer heat, high humidity, and salt air corrosion makes consistent preventive maintenance more important than in most other markets. Skipping a maintenance cycle in a Gulf Coast climate accelerates coil fouling, refrigerant loss, and electrical component degradation at a rate that shortens equipment life significantly.

How long does a rooftop HVAC unit last?

A commercial RTU that receives regular preventive maintenance in a Gulf Coast climate will typically last 15 to 20 years. Units that are neglected — running with dirty coils, deferred repairs, and no scheduled maintenance — often fail catastrophically in 8 to 12 years. The quality of the original installation also matters: a unit installed on a properly designed curb with correct electrical service and refrigerant charge will outlast a poorly installed unit by many years. When evaluating an aging RTU, we look at the full service history, current operating efficiency, and the cost of known needed repairs relative to replacement value.

What causes rooftop HVAC units to stop cooling?

The most common causes of RTU no-cool failures in New Orleans are refrigerant leaks (which starve the compressor of refrigerant and cause it to shut down on low-pressure lockout), failed capacitors (which prevent the compressor or fan motors from starting), contactor failure (which prevents the compressor from receiving power), dirty condenser coils (which cause head pressure to spike until the high-pressure switch trips), and compressor failure (the most serious and expensive failure mode). Electrical faults — including blown fuses, tripped breakers, and failed control boards — also account for a significant share of no-cool calls. Our technicians carry the diagnostic equipment and common replacement parts to address most of these failures on the first visit.

How much does RTU repair cost in New Orleans?

Commercial RTU repair costs vary widely depending on the type of failure, the size of the unit, the accessibility of the rooftop, and the cost of replacement parts. Minor repairs — capacitor replacement, contactor replacement, drain line clearing — typically range from $150 to $400. Mid-range repairs such as fan motor replacement, control board replacement, or refrigerant leak repair and recharge typically range from $400 to $1,500. Major repairs such as compressor replacement can range from $1,500 to $5,000 or more depending on unit tonnage. We provide written estimates before beginning any repair work, and we are transparent about the repair-versus-replace decision when a major repair is involved.

Should I repair or replace my rooftop HVAC system?

The repair-versus-replace decision depends on three factors: the age of the unit, the cost of the needed repair relative to replacement value, and the unit's recent repair history. As a general guideline, if the unit is under 10 years old and the repair cost is less than 30 percent of replacement value, repair is usually the right call. If the unit is 15 years or older and the repair cost exceeds 50 percent of replacement value — or if the unit has required multiple major repairs in recent years — replacement typically delivers better long-term value. We provide honest, data-driven recommendations and will never push replacement when repair is the right answer.

Can New Orleans Mechanical Pros service all commercial rooftop units?

Yes. Our commercial HVAC technicians are trained and experienced on all major commercial RTU manufacturers, including Trane, Carrier, Lennox, York, Daikin, Rheem, Goodman, American Standard, AAON, Liebert, Mitsubishi Commercial, and Bryant. We service units ranging from 3-ton light commercial packaged units to 25-ton large commercial RTUs. We provide repairs, preventive maintenance, emergency service, and full replacement for commercial rooftop units throughout Greater New Orleans. If you have a less common or legacy brand, call us — our technicians have the diagnostic skills and parts sourcing capability to handle virtually any commercial packaged unit.

Why Choose New Orleans Mechanical Pros for Rooftop HVAC Service

When your commercial rooftop HVAC system needs service, you need a contractor who shows up on time, diagnoses the problem correctly the first time, and gives you a straight answer about what it will cost and what the right solution is. That is what New Orleans Mechanical Pros has delivered to commercial clients throughout Greater New Orleans for 17 years.

We are a veteran-owned business with deep roots in the New Orleans community. Our commercial HVAC specialists are RTU experts who have serviced hundreds of rooftop package units across every commercial property type in the metro area. We offer preventive maintenance programs and commercial service contracts designed to protect your equipment investment and give you predictable maintenance costs. We provide emergency commercial HVAC repair with live dispatcher response and fast technician dispatch. We are professional, reliable, and safety-focused — our technicians follow OSHA rooftop safety protocols on every job, and we carry the insurance coverage to protect your property and our workers.

From a single rooftop unit at a neighborhood restaurant in Chalmette to a multi-unit system at a hotel complex in Metairie, we bring the same level of expertise and commitment to every commercial HVAC call. Serving businesses throughout Greater New Orleans, including Orleans Parish, Jefferson Parish, St. Bernard Parish, and St. Tammany Parish.

Schedule Your Commercial Rooftop HVAC Service Today

A reliable rooftop HVAC system is not a luxury for commercial operations in New Orleans — it is a business necessity. In a climate that demands near-continuous cooling for seven months of the year, a well-maintained RTU is the difference between a comfortable, productive building and a costly operational disruption. Whether you need emergency RTU repair, a preventive maintenance agreement, or a complete rooftop unit replacement, New Orleans Mechanical Pros has the commercial HVAC expertise to get the job done right.

We provide expert Roof Top AC Service in New Orleans, including Rooftop Unit Repair New Orleans, Commercial Rooftop HVAC New Orleans, RTU Repair New Orleans, and full rooftop HVAC replacement services for businesses throughout Greater New Orleans. Our veteran-owned team is standing by to respond to your commercial HVAC needs — call (504) 826-3775 or use the form on this page to schedule an inspection, preventive maintenance visit, or emergency service call. Do not wait for a complete system failure — contact us today and let our commercial HVAC specialists protect your building's most important mechanical asset.

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Frequently Asked Questions — Rooftop HVAC Replacement New Orleans in New Orleans

6 questions answered by our licensed commercial HVAC team

Answers to the most common questions from New Orleans commercial property managers, restaurant operators, and business owners about rooftop hvac replacement new orleans in Greater New Orleans.

Commercial rooftop units should receive preventive maintenance at minimum twice per year — once in spring before the summer cooling season and once in fall. High-demand facilities such as restaurants, hotels, and hospitals benefit from quarterly inspections. In New Orleans, the combination of extreme heat, high humidity, and salt air makes consistent maintenance more critical than in most other markets.
A commercial RTU that receives regular preventive maintenance in a Gulf Coast climate will typically last 15 to 20 years. Units that are neglected often fail in 8 to 12 years. The quality of the original installation also matters significantly.
The most common causes are refrigerant leaks, failed capacitors, contactor failure, dirty condenser coils, and compressor failure. Electrical faults including blown fuses, tripped breakers, and failed control boards also account for a significant share of no-cool calls.
Minor repairs such as capacitor or contactor replacement typically range from $150 to $400. Mid-range repairs like fan motor replacement or refrigerant recharge range from $400 to $1,500. Major repairs such as compressor replacement can range from $1,500 to $5,000 or more depending on unit tonnage. We provide written estimates before beginning any repair work.
If the unit is under 10 years old and the repair cost is less than 30% of replacement value, repair is usually the right call. If the unit is 15+ years old and the repair cost exceeds 50% of replacement value — or if it has required multiple major repairs recently — replacement typically delivers better long-term value.
Yes. Our technicians are trained on all major commercial RTU manufacturers including Trane, Carrier, Lennox, York, Daikin, Rheem, Goodman, American Standard, AAON, Liebert, Mitsubishi Commercial, and Bryant. We service units from 3-ton light commercial to 25-ton large commercial RTUs.

Have a specific commercial HVAC question? Contact our commercial team or call +1 504 826 3775 for a free commercial assessment.

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