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Contact ABC Air Conditioning & Heating Specialist Inc.™ for comprehensive HVAC solutions for your home or business

If your Winter Garden business or home relies on limited outdoor ground space, a rooftop package unit may be the smartest way to condition your building without sacrificing valuable square footage. These self-contained systems put every major component in a single cabinet placed on the roof, freeing your floor plan and keeping noisy equipment out of occupied areas. At ABC Air Conditioning & Heating Specialist Inc.™, we install, service, and repair rooftop package units for both residential and light commercial clients throughout the region.

What a Rooftop Package Unit Is and How It Works

A rooftop package unit, often called an RTU, combines the compressor, condenser, evaporator coil, blower, and heating element into one weatherproof enclosure. Air is pulled from the building through return ductwork, conditioned inside the cabinet, and pushed back down through supply ducts. Because all the mechanical parts sit in one location, the system is easier to isolate and diagnose than a split system spread between indoor and outdoor cabinets.

Most package units are gas/electric or straight-cool electric with heat strip backup. In Central Florida, straight-cool models with electric heat are common because winters are mild, but gas/electric units remain a strong choice for buildings that need faster warm-up. The cabinet is engineered to shed rain and resist wind uplift, and the internal components are sealed against moisture and pests. Understanding this design helps you appreciate why proper installation and regular service matter so much for long equipment life.

Our Installation and Service Methodology

We approach every rooftop project with a clear sequence so nothing is missed. Our technicians are capable of repairing, replacing, or servicing every major make and model of HVAC equipment, which means we can work on the unit you already own or recommend a suitable replacement. Because ABC Air Conditioning & Heating Specialist Inc.™ specializes in residential and light commercial sales and service, we size and match equipment to your actual load rather than guessing.

Our typical process follows these stages:

  • Load evaluation: We measure square footage, insulation, and ductwork condition to determine the correct tonnage and airflow.
  • Curb and support inspection: We confirm the roof curb, gaskets, and structural support are ready to hold and seal the unit.
  • Rigging and placement: The cabinet is safely lifted, set on the curb, and secured against wind and vibration.
  • Connections and startup: We tie in electrical, gas if applicable, and ductwork, then verify refrigerant charge, airflow, and safety controls.
  • Final testing: We run the unit through both cooling and heating cycles to confirm balanced, quiet operation.

This same care carries into repair work. When you call with a problem, we isolate the fault, test individual components, and correct the root cause instead of masking symptoms.

Technical Specifications We Monitor

Rooftop units perform best when key values stay within manufacturer ranges. During maintenance and repair visits we check and document the readings that tell us how the equipment is really doing. Keeping these numbers in specification protects efficiency, comfort, and the compressor.

  • Refrigerant pressures: Suction and discharge readings confirm the charge and reveal coil or metering problems.
  • Temperature split: The difference between return and supply air shows whether the unit cools effectively.
  • Amp draw: Motor and compressor current readings flag electrical strain before failure.
  • Static pressure: Duct and filter resistance reveals airflow restrictions that shorten equipment life.
  • Economizer and damper function: Proper fresh-air control saves energy on cool days.

We tighten electrical lugs, clean condenser and evaporator coils, clear drain lines, and confirm safety switches on every service call. These steps keep energy use down and reduce surprise breakdowns.

Common Uses Across Winter Garden Properties

Rooftop package units serve a wide range of buildings. Retail storefronts, small offices, restaurants, and multi-tenant strip centers frequently use them because the roof location keeps the equipment out of the way and simplifies maintenance access. Some larger homes and additions also benefit from a package unit when yard space is tight or when a single-cabinet solution is preferred.

Consumers have many options when choosing an Orlando A/C contractor, so we observe strict hiring practices to make sure only skilled, professional people represent our company. Our large fleet and dedicated staff let us respond to most service requests the same day, and we can often complete installations within two business days. We also offer 24 hour emergency service every day of the year, along with preventive maintenance agreements that include two visits annually to clean and tune your system. We proudly serve Winter Garden and Oviedo, Orlando, Cocoa, Sanford, and surrounding areas, always focused on providing the ideal temperature.

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5-Star Testimonials
Check Out Our Customer Reviews
First, I would like to commend ABC Air for scheduling the service call on the same day I called. We were very pleased that Mark was able to come earlier than expected. Mark did an excellent job of...
Michael J. Leave a Review
My call for help went to ABC Specialists, who did a great job. They even painted and cleaned up after installing the system. They made time to answer ALL my questions. Thank you, ABC.
AC stopped working after hours, so I gave ABC a call and they sent out a technician within an hour and a half. Aaron was very thorough in checking everything for proper functionality.
ABC customer for life! They came through for us last year when our AC went out over Labor Day weekend, even installed the new unit on the holiday. We had a minor hiccup post-installation that they...
I had an excellent experience with ABC Heating and Air-conditioning. From start to finish, the service was professional and efficient. The technicians, Alex and Jose, were fantastic. They arrived on...
Justin the technician came out next day. Such a nice guy! He also came with shoes overs, which is a must in our house. Assessed the situation thoroughly. He was honest and knowledgeable about the...
Aaron was very knowledgeable and friendly. He explained very well the functionality of some electrical components and what affected the system failure. Excellent prompt response and great service...
Edgardo G. Leave a Review
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Expert Heating & Cooling Services Throughout East Central Florida
Cooling Service

Recognizing the necessity of proactive service, ABC Air Conditioning & Heating Specialist Inc.™ makes it easy.

Heating Service

Recognizing the importance of proactive maintenance, ABC Air Conditioning & Heating Specialist Inc.™ provides prompt scheduling, affordable pricing, and quick turnaround.

Commercial HVAC

ABC Air Conditioning & Heating Specialist Inc.™ provides an expert and affordable source for a full range of commercial HVAC services in Central Florida.

Indoor Air Quality

Contact ABC Air Conditioning & Heating Specialist Inc.™ for an Indoor Air Quality audit, customized plan of action, and free estimate.

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