Local, Family-Owned Service Since 1998

We don't want to be the biggest, we want to be the best

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

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Family-Owned & Locally-Operated 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.

A+ Air Conditioning & Refrigeration commercial HVAC service
A+ Air Conditioning & Refrigeration commercial HVAC service
A+ Air Conditioning & Refrigeration commercial HVAC service
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Commercial RTU Specialists

Expert service for all commercial rooftop unit brands and models

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Emergency Response

Priority service when your business can't wait

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Licensed & Accredited

FL #CAC1821265, #CACA41190, BBB Accredited

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Service Agreements

Customized maintenance plans for your business needs

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27+ Years Local

Deep community roots and business relationships since 1998

Commercial HVAC Expertise

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:

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Energy Consumption north_east

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.

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Employee Productivity south_east

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.

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Customer Experience south_east

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.

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Equipment Protection south_east

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.

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Regulatory Compliance south_east

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.

Emergency Response

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:

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Compressor Failures north_east

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.

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Economizer Malfunctions south_east

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.

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Refrigerant Leaks south_east

Rooftop exposure causes refrigerant leaks at joints and connections. We locate leaks using electronic detection, make repairs, and recharge to manufacturer specifications.

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Belt and Bearing Failures south_east

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.

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Electrical and Control Failures south_east

From failed contactors to thermostat communication problems, electrical issues can take your RTU offline without warning. We systematically trace circuits to find root causes.

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Condensate Drainage Problems south_east

In Florida's humidity, RTUs produce large volumes of condensate. Clogged drains can cause water damage, mold growth, and premature corrosion inside the unit.

Preventive Maintenance

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

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Cooling System Service — Coil cleaning, refrigerant verification, compressor testing, and condensate drain maintenance
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Air Handling Service — Belt inspection, bearing lubrication, blower cleaning, filter service, and airflow verification
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Electrical and Controls — Contactor inspection, capacitor testing, wiring inspection, and economizer calibration
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Heating Section Service — Heat exchanger inspection, ignition system testing, gas pressure verification, and safety controls

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.

Service Benefits

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.

Equipment Replacement

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:

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Site Assessment & Load Calculation north_east

We evaluate your building envelope, occupancy patterns, internal heat loads, ventilation requirements, and planned changes. Commercial load calculations determine exact capacity requirements.

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Equipment Recommendation south_east

Based on load calculations, we recommend equipment options that match your capacity requirements, efficiency goals, and budget. We work with major commercial manufacturers.

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Installation Coordination south_east

We manage crane lifts, electrical modifications, ductwork connections, and roofing coordination. Weekend and after-hours installation available to minimize business disruption.

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Commissioning & Training south_east

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.

Investment Solutions

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.

Why Choose Us?

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.

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A+ Air Conditioning team member
Dreams Come True Boy Scouts of America North Florida Council Hubbard House
Cathedral Arts Project Daniel Memorial BASCA

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 Involvement
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HVAC Financing and Maintenance
Financing Options

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?

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Affordable Monthly Payments north_east

Spread the cost of your new system over manageable monthly installments instead of one large upfront expense.

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Quick Approval Process south_east

Get pre-approved in minutes with a simple application through our financing partners.

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Competitive Rates south_east

Our financing partners offer competitive rates to qualified homeowners in Gainesville, FL.

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No Surprise Costs south_east

Transparent terms with no hidden fees or unexpected charges throughout the life of your plan.

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Invest in Efficiency south_east

A new high-efficiency system can lower your monthly utility bills, offsetting your financing payments.

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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.

Apply Today

Local lending you can trust, offering personalized financing options with member-friendly rates for Gainesville, FL homeowners.

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HVAC Financing and Maintenance
Our Maintenance Plans

Join 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

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Priority Scheduling north_east

Comfort Club members jump to the front of the line for service appointments

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Seasonal Tune-Ups south_east

Two comprehensive maintenance visits per year to prepare your system for summer and winter

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Discounted Repairs south_east

Members receive exclusive discounts on any repair services needed throughout the year

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Extended Equipment Life south_east

Regular maintenance can add years to your system's lifespan, delaying costly replacements

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No Overtime Charges south_east

No overtime fees for after-hours service calls as a Comfort Club member

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Keep Your Home Comfortable

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.

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Peak Efficiency for Your Business

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.

We don't want to be the biggest, we want to be the best

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:

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Family-Owned & Locally-Owned north_east

We have been part of the Gainesville community since 1998. Our name is on the truck, and our reputation rides on every service call.

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Over 25 Years of Field Experience south_east

We have been servicing commercial HVAC systems across North Central Florida for over 25 years, understanding Florida's unique challenges firsthand.

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Licensed & Insured south_east

FL License #CAC1821265 and #CACA41190. Every job meets code and industry standards.

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BBB Accredited south_east

Recognized by the Better Business Bureau for our commitment to ethical business practices.

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Industry Affiliations south_east

Proud members of the Gainesville Chamber of Commerce.

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Active in Our Community south_east

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.

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Our Guiding Philosophy south_east

"We don't want to be the biggest, we want to be the best." We prove that on every service call.

A+ Air Conditioning & Refrigeration commercial HVAC service
A+ Air Conditioning & Refrigeration commercial HVAC service
A+ Air Conditioning & Refrigeration commercial HVAC service
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Commercial Expertise

Specialized knowledge in commercial RTU systems and applications

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Flexible Scheduling

Off-hours and weekend service to minimize business disruption

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Service Agreements

Customized maintenance plans with priority emergency response

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Licensed & Insured

FL #CAC1821265, #CACA41190, fully insured for commercial work

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Local Since 1998

Deep community roots and business relationships

Complete Solutions

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.

Our Commercial Service Areas

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.

A+ Air Conditioning & Refrigeration service area map in Gainesville, FL
Beachfront Service

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.

Promotions & Specials

Current Specials & Savings

FREE Germicidal UV System
CODE: WEB

Enjoy a free germicidal UV light with the purchase of a new air purification system.

phone 352-608-5019

Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.

$59 Precision Tune-Up
CODE: WEB

Get your AC system ready for hot summer days with a precision tune-up.

phone 352-608-5019

Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.

20% Off Emergency Service
CODE: WEB

When your comfort can't wait, we've got your back, and a little savings to go with it.

phone 352-608-5019

Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.

$50 Off Any Service Over $350
CODE: WEB

A little thank-you for trusting us with your home's comfort: $50 off when you need us most.

phone 352-608-5019

Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.

$150 Off A Surge Protector
CODE: WEB

Your investment deserves the best. Protect your HVAC Unit with a Surge Protector.

phone 352-608-5019

Must present at time of transaction, valid only with coupon, cannot be combined with any other offers.

A+ Air Conditioning technician

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.

Contact Us Today phone 352-608-5019

A+ Air Conditioning and Refrigeration — "We don't want to be the biggest, we want to be the best."

Answering Your Questions

Frequently Asked Questions About Commercial Rooftop Units

For most commercial properties in Florida, we recommend servicing rooftop units a minimum of twice per year — once in spring before cooling season and once in fall before heating season. Units in demanding environments like restaurants or medical facilities often benefit from quarterly maintenance. The right schedule depends on your equipment's age, condition, and the demands of your specific application.

In Florida's climate, most commercial rooftop units last between 15 and 20 years with proper maintenance. Units that are neglected or operate in harsh conditions may have shorter lifespans. Regular maintenance is the single biggest factor in equipment longevity and efficiency throughout its life.

If your unit is under 10 years old and the repair is straightforward, repair makes sense. If the unit is over 15 years old, uses R-22 refrigerant, or has required multiple major repairs in the past two years, replacement is usually the smarter investment. We provide honest repair-versus-replace assessments based on your specific equipment and situation.

Yes. Our commercial technicians service rooftop units from all major manufacturers, including Carrier, Trane, Lennox, York, Rheem, Ruud, Goodman, American Standard, and others. Regardless of who manufactured your equipment, we can diagnose issues, perform repairs, and provide ongoing maintenance.

A comprehensive visit covers condenser and evaporator coil cleaning, refrigerant charge verification, electrical component testing, bearing lubrication, belt inspection and replacement, filter service, safety control testing, economizer calibration, gas heating section inspection, condensate drain cleaning, and cabinet and roof curb inspection. We provide a written report after every visit.

Yes. We respond as quickly as possible to commercial HVAC emergencies. Customers with maintenance agreements receive priority emergency scheduling, which means your call goes to the front of the line when your business is affected.

Maintenance agreement customers typically see lower total HVAC costs through reduced emergency repairs, improved energy efficiency, and extended equipment lifespan. Most commercial customers find the agreement pays for itself within the first year through reduced emergency repairs and lower energy bills.

RTU sizing depends on building square footage, ceiling height, insulation, windows, internal heat loads, ventilation requirements, and climate data. We perform professional load calculations to determine the right capacity for your specific building and application. Getting this right matters for efficiency and comfort.

Absolutely. We routinely schedule maintenance, installations, and non-emergency repairs during evenings, weekends, or off-hours to minimize disruption to your business operations. We coordinate scheduling with you to find the approach that works best.

Yes. Our technicians are trained and equipped for rooftop access on commercial buildings of various heights, following all safety protocols for elevated work. We carry the insurance coverage that commercial property owners and managers require.

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