Commercial Rooftop Unit Service in Gainesville, FL
Your rooftop units keep your business running — and when they fail, productivity drops, customers leave, and equipment suffers. A+ Air Conditioning & Refrigeration has been servicing commercial HVAC systems across Gainesville, FL since 1998, and RTUs are one of the most common systems we maintain. From restaurants to warehouses, our technicians have the field experience to keep your rooftop units at peak efficiency and get them back online fast.
Rooftop Units
Need rooftop unit service? Schedule a consultation with our experienced commercial HVAC team.
Serving North Central Florida businesses since 1998
Commercial HVAC Expertise You Can Trust
As a family-owned and locally-owned business, we bring a level of personal accountability to commercial work that larger corporate HVAC contractors simply cannot match. Our slogan — "we don't want to be the biggest, we want to be the best" — reflects how we approach every commercial project. We are licensed (FL License #CAC1821265 and #CACA41190), BBB Accredited, and active members of the Gainesville Chamber of Commerce, the Gainesville Air Conditioner Association, and NADCA. When you partner with us for your commercial HVAC needs, you are working with a team that treats your business like our own.
Ready to discuss your commercial RTU needs? Contact our commercial team or call 352-608-5019 to schedule a consultation.
Commercial RTU Specialists
Expert service for all commercial rooftop unit brands and models
Emergency Response
Priority service when your business can't wait
Licensed & Accredited
FL #CAC1821265, #CACA41190, BBB Accredited
Service Agreements
Customized maintenance plans for your business needs
27+ Years Local
Deep community roots and business relationships since 1998
Understanding Commercial Rooftop Units in Florida's Climate
Rooftop units — commonly called RTUs — are the workhorses of commercial HVAC. These self-contained systems sit on top of your building and handle both heating and cooling through a single unit, distributing conditioned air through your ductwork below. They are the most widely used commercial HVAC system in Florida for good reason: they save valuable interior floor space, provide efficient climate control for large open areas, and are accessible for service without disrupting your daily operations.
However, Florida's climate puts exceptional demands on commercial rooftop units. Your RTUs are exposed to intense UV radiation, heavy rain, high humidity, salt air in some areas, and sustained high temperatures for eight to nine months of the year. These conditions accelerate wear on condensing coils, electrical components, cabinet seals, and refrigerant connections in ways that building owners in milder climates never experience.
A rooftop unit that might last 20 years in the Midwest may struggle to reach 15 in North Central Florida without proper maintenance and timely repairs. That is why partnering with a commercial HVAC contractor who understands these local challenges is so important for your business.
Why RTU Performance Matters to Your Bottom Line
Commercial rooftop units directly affect your operating costs and business environment:
RTUs typically account for 30 to 50 percent of a commercial building's total energy costs. A unit running with dirty coils, low refrigerant, or worn belts consumes significantly more electricity than a properly maintained system.
Temperature inconsistencies, poor airflow, and humidity problems create uncomfortable working conditions. Studies show that uncomfortable employees are less productive, and high temperatures increase error rates.
For customer-facing businesses, indoor comfort directly influences how long customers stay and whether they return. A hot, stuffy environment drives customers away faster than any competitor can.
Many businesses rely on consistent temperature and humidity control to protect inventory, electronics, server rooms, or sensitive materials. RTU failures can mean spoiled goods or damaged equipment.
Healthcare facilities, food service operations, and certain manufacturing environments have specific indoor air temperature and quality requirements. Reliable RTU performance is not optional — it is regulatory.
Is Your Rooftop Unit Keeping Up?
If your energy bills are climbing, your building has hot and cold zones, or your RTU is making noises it should not be making, it is time for a professional evaluation. Our commercial technicians can assess your rooftop units and give you a clear, honest picture of where things stand — no pressure, no upselling.
Commercial RTU Repair & Emergency Service
When a rooftop unit fails in the middle of a Florida summer afternoon, your business cannot wait until next week for a repair. Our commercial repair team responds promptly to RTU breakdowns across Gainesville and the surrounding service areas, bringing the diagnostic tools and common replacement parts needed to get your system operational as quickly as possible.
We know that downtime costs your business real money, so we prioritize getting your system running correctly on the first visit whenever possible. If a repair requires a part that is not on our truck, we communicate clearly about timelines so you can plan accordingly.
RTU Service for Your Industry
We service rooftop units across a wide range of commercial and industrial applications in the Gainesville area:
- check_circle Restaurants and food service — Kitchen coordination and health department compliance
- check_circle Retail stores and shopping centers — Customer comfort in large open spaces
- check_circle Office buildings — Tenant comfort and building competitiveness
- check_circle Warehouses and distribution centers — Employee safety and product protection
- check_circle Medical and dental offices — Healthcare compliance standards
- check_circle Houses of worship — Large assembly space comfort
- check_circle Schools and educational facilities — Learning environment optimization
Common RTU Problems We Diagnose and Repair
Our technicians see the full range of rooftop unit issues on commercial properties throughout Alachua County and beyond:
The compressor is the heart of your RTU's cooling system. We diagnose whether the issue is the compressor itself, a failed start capacitor, a contactor problem, or an electrical supply issue, and provide repair versus replacement options.
Many commercial RTUs include economizers for free cooling. When dampers stick or cycle erratically, you get energy waste and humidity problems. We repair and calibrate economizer controls.
Rooftop exposure causes refrigerant leaks at joints and connections. We locate leaks using electronic detection, make repairs, and recharge to manufacturer specifications.
Belt-driven blower assemblies require periodic maintenance. When belts break or bearings seize, airflow drops to zero. We carry common belt sizes for same-day restoration.
From failed contactors to thermostat communication problems, electrical issues can take your RTU offline without warning. We systematically trace circuits to find root causes.
In Florida's humidity, RTUs produce large volumes of condensate. Clogged drains can cause water damage, mold growth, and premature corrosion inside the unit.
Commercial RTU Maintenance & Service Agreements
Preventive maintenance is the single most effective way to extend the life of your rooftop units, reduce energy costs, and prevent the emergency breakdowns that disrupt your business. In Florida's demanding climate, skipping maintenance is not saving money — it is borrowing against your equipment's future.
What Our Commercial RTU Maintenance Includes
We offer customized commercial maintenance agreements designed around your specific equipment, building usage, and budget. Unlike one-size-fits-all contracts, our commercial plans are built after we assess your equipment and discuss your operational priorities.
Commercial Maintenance Plans
Our commercial service agreements typically include:
- check_circle Scheduled preventive maintenance visits — We schedule maintenance during your off-hours or low-traffic periods to minimize disruption
- check_circle Priority emergency response — Maintenance agreement customers receive priority scheduling when unexpected breakdowns occur
- check_circle Documented service history — Detailed records of every service visit, including condition assessments and recommendations
- check_circle Equipment lifecycle planning — Honest assessments and replacement timelines so you can budget proactively
A+ Air Conditioning and Refrigeration is actively growing our commercial service and maintenance capabilities because we believe Gainesville businesses deserve the same quality of HVAC partnership that our residential customers have trusted for over 25 years.
Commercial RTU Installation & Replacement
When your rooftop unit reaches the end of its useful life or when your business needs change, proper equipment selection and installation are critical. An incorrectly sized or poorly installed RTU will underperform from day one and cost you money in energy waste, comfort complaints, and premature equipment failure for years to come.
When to Replace Your Commercial RTU
Making the repair-versus-replace decision on commercial equipment requires a practical, business-minded analysis:
- schedule Age — Most commercial RTUs have a useful life of 15 to 20 years in Florida
- build Repair costs — When annual repairs exceed 30-40% of replacement cost
- energy_savings_leaf Energy efficiency — Modern units can reduce cooling energy by 20-40%
- ac_unit Refrigerant type — R-22 systems face escalating refrigerant costs
- trending_up Changing needs — Business expansion or renovation may require different capacity
Our Commercial Installation Process
Our approach to commercial RTU replacement combines technical precision with practical business awareness:
We evaluate your building envelope, occupancy patterns, internal heat loads, ventilation requirements, and planned changes. Commercial load calculations determine exact capacity requirements.
Based on load calculations, we recommend equipment options that match your capacity requirements, efficiency goals, and budget. We work with major commercial manufacturers.
We manage crane lifts, electrical modifications, ductwork connections, and roofing coordination. Weekend and after-hours installation available to minimize business disruption.
Systematic commissioning verifies performance to specification. We train your staff on new equipment operation and provide complete documentation for your records.
If you are considering a commercial RTU replacement, reach out to our commercial team to schedule a site assessment. We can also discuss financing options through Wells Fargo, Goodleap, or Florida Credit Union to help manage the investment.
Financing Your Commercial HVAC Investment
Replacing one or more commercial rooftop units represents a significant capital expenditure. We partner with Wells Fargo, Goodleap, and Florida Credit Union to offer flexible financing solutions that let you upgrade your equipment without straining your cash flow.
The A+ Difference: Your Local Comfort Team
Here's what we believe: every homeowner in Gainesville, FL deserves an HVAC company that shows up on time, tells you the truth, does the job right, and charges a fair price. That's been our promise since we opened our doors in 1998, and it's the reason families across North Central Florida keep coming back and recommending us to their neighbors.
We're a family-owned and locally operated business, not a franchise, not a corporation. When you call A+ Air Conditioning and Refrigeration, you're calling people who live and work right here in your community. Our technicians are trained, licensed, and experienced with American Standard equipment, and we take real pride in the work we do.
Proudly Supporting Our Gainesville, FL Community
We believe that being a great HVAC company means more than just fixing air conditioners. It means investing in the community that's supported us for 27 years. A+ Air Conditioning & Refrigeration is proud to support local organizations including BASCA, Boy Scouts of North Florida, Cathedral Arts Project, Daniel Memorial Charity, Dreams Come True, Hubbard House, Lakeview Health, and many more throughout Gainesville, FL and the surrounding communities.
Learn About Our Community InvolvementSee What Our Customers Say
Flexible Financing to Fit Your Budget
We understand that a new HVAC system is a significant investment, and we don't want finances to stand between your family and year-round comfort. That's why A+ Air Conditioning & Refrigeration partners with trusted lending institutions to offer flexible financing options that make upgrading affordable.
What Are the Benefits of Financing?
Spread the cost of your new system over manageable monthly installments instead of one large upfront expense.
Get pre-approved in minutes with a simple application through our financing partners.
Our financing partners offer competitive rates to qualified homeowners in Gainesville, FL.
Transparent terms with no hidden fees or unexpected charges throughout the life of your plan.
A new high-efficiency system can lower your monthly utility bills, offsetting your financing payments.
Wells Fargo
Trusted nationwide lending with flexible home improvement financing options and promotional rates for qualified buyers.
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Innovative financing solutions designed specifically for home improvement projects, with fast approvals and competitive terms.
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Local lending you can trust, offering personalized financing options with member-friendly rates for Gainesville, FL homeowners.
Apply TodayJoin the A+ Comfort Club
The smartest way to protect your HVAC investment is with regular professional maintenance. Our Comfort Club membership gives your system the preventive care it needs to run efficiently, last longer, and avoid unexpected breakdowns, all while saving you money with exclusive member benefits.
Our Benefits Include
Comfort Club members jump to the front of the line for service appointments
Two comprehensive maintenance visits per year to prepare your system for summer and winter
Members receive exclusive discounts on any repair services needed throughout the year
Regular maintenance can add years to your system's lifespan, delaying costly replacements
No overtime fees for after-hours service calls as a Comfort Club member
Our Residential Plan
Our Residential Comfort Club is designed for Gainesville, FL homeowners who want peace of mind knowing their HVAC system is professionally maintained year-round. Includes two seasonal tune-ups, priority service, repair discounts, and no-hassle scheduling.
Our Commercial Plan
Our Commercial Comfort Club keeps your business comfortable and productive. Whether you operate a retail space, office building, restaurant, or warehouse in Gainesville, FL, we'll customize a maintenance plan that fits your equipment and your budget. We service American Standard RTUs, boilers, chillers, and more.
Why Gainesville Businesses Trust A+ for Commercial RTU Service
Choosing a commercial HVAC contractor is a business decision that affects your operations, your costs, and your people. Here is why commercial property owners and facility managers across North Central Florida partner with us:
We have been part of the Gainesville community since 1998. Our name is on the truck, and our reputation rides on every service call.
We have been servicing commercial HVAC systems across North Central Florida for over 25 years, understanding Florida's unique challenges firsthand.
FL License #CAC1821265 and #CACA41190. Every job meets code and industry standards.
Recognized by the Better Business Bureau for our commitment to ethical business practices.
Proud members of the Gainesville Chamber of Commerce.
We support over 20 local organizations and charities, including Dreams Come True, Boy Scouts of North FL, and many more. Serving Gainesville is personal for us.
"We don't want to be the biggest, we want to be the best." We prove that on every service call.
Commercial Expertise
Specialized knowledge in commercial RTU systems and applications
Flexible Scheduling
Off-hours and weekend service to minimize business disruption
Service Agreements
Customized maintenance plans with priority emergency response
Licensed & Insured
FL #CAC1821265, #CACA41190, fully insured for commercial work
Local Since 1998
Deep community roots and business relationships
Comprehensive Commercial HVAC Services
Rooftop units are just one part of our growing commercial HVAC capabilities. Depending on your facility's needs, we also provide service for:
We are a full-service HVAC contractor equipped to handle whatever your commercial property requires.
Serving Businesses Across North Central Florida
We provide commercial rooftop unit service throughout North Central Florida, including:
We also serve businesses in Chiefland, Palatka, Starke, Trenton, Waldo, and surrounding communities. Our commercial clients include restaurants, offices, retail stores, medical practices, houses of worship, and industrial facilities throughout the region.
Whether you have a single rooftop unit on a small retail space or a dozen units on a large commercial complex, we scale our service to match your needs. Every commercial client receives the same attention to detail and commitment to quality.
Serving Gainesville, FL and Surrounding Communities
Our team proudly serves homeowners and businesses throughout North Central Florida. From our home base in Gainesville, FL, we provide responsive, reliable HVAC service across Alachua County and surrounding areas. Whether you need emergency AC repair on a Saturday afternoon or a scheduled installation next week, we're just a phone call away.
Serving Our Communities Around
Don't See Your Location?
We may still serve your area. Give us a call and we'll let you know if we can help. Our service territory is always growing to meet the needs of North Central Florida homeowners.
Current Specials & Savings
Enjoy a free germicidal UV light with the purchase of a new air purification system.
352-608-5019Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.
Get your AC system ready for hot summer days with a precision tune-up.
352-608-5019Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.
When your comfort can't wait, we've got your back, and a little savings to go with it.
352-608-5019Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.
A little thank-you for trusting us with your home's comfort: $50 off when you need us most.
352-608-5019Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.
Your investment deserves the best. Protect your HVAC Unit with a Surge Protector.
352-608-5019Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.
Let's Get Started
Your rooftop units are too important to your business to leave to chance. Whether you need emergency repair service, want to establish a preventive maintenance program, or are planning a major RTU replacement, A+ Air Conditioning & Refrigeration is ready to be your commercial HVAC partner in Gainesville, FL.
A+ Air Conditioning and Refrigeration — "We don't want to be the biggest, we want to be the best."



