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Packaged / Rooftop Units – Climate Technology

Packaged / Rooftop Units

Let Climate Technology Mechanical Systems handle your HVAC systems so that you can focus on your business.

Manufacturers We Service

Our certified technicians are skilled in troubleshooting and repairing issues with packaged units from all manufacturers. The brands listed are the most common that we deal with in the Greater Detroit Metro Area.

Features of Packaged Rooftop Units

Compact and space-efficient, rooftop units (RTUs) offer a simple solution for commercial heating and air conditioning systems. These units, common in smaller commercial buildings, retail stores, and restaurants, provide warm and cool air via ductwork and are able to withstand extreme temperatures thanks to their robust exteriors. Components are self-contained in a single, weatherproof unit making them relatively easy to install and maintain.


  • Located away from the general public, which reduces the risk of safety hazards or vandalism
  • Generate minimal noise during operation
  • Less dirt and debris accumulates on the system, leading to less wear and tear
  • Maintenance and repairs are less disruptive to business operations
  • May be more energy-efficient, leading to cost savings over time


  • Heavy and require structural support for installation
  • Location on the roof can impact performance and durability
  • Out of sight may lead to reduced attention on maintenance and upkeep
  • Poor installation can lead to water damage or other issues.
  • May not be suitable for larger commercial buildings or those with complex HVAC needs

Request a Quote Today!

Looking for a reliable partner for your HVAC needs? Look no further than Climate Technology Mechanical Systems.

We offer installation, repair, and replacement services for a wide range of HVAC equipment. Plus, our regular maintenance plans will help your equipment run smoothly and protect your investment. Contact us today to learn more!

Standard Practice for Inspection and Maintenance of Packaged / Rooftop Units

When we design commercial HVAC/R maintenance agreements, we’re looking to prevent equipment failures by getting ahead of problems. Simple tasks will prevent most emergencies and will help your equipment run more efficiently.

On a quarterly basis, check UV lamps and particulate accumulation on filters. Ensure filters have a proper fit. Clean or replace as needed.
Check steam system traps, pumps, and controls. Ensure control system is operating properly.
Check fan belt tension and level or wear. Ensure alignment of sheaves. Replace or correct as needed.
Check cooling/heating coils and heat exchangers. Look for evidence of fouling, damage, or leaks. Clean, restore or replace as required.
Visually inspect insulation, exposed ductwork, external piping, and areas of moisture accumulation. Clean or correct as needed.
Check refrigerant system temperatures, pressures, and compressor oil levels. If outside of recommended levels, find cause, adjust, or repair as needed.
Check control box for dirt/debris or loose terminations. Inspect motor contactor for pitting.
Check variable-frequency drive, control system, and other devises for proper operation. Check low ambient head pressure control sequence for proper operation.
Inspect drain pan, drain line, and coil for mold or growth. Check for moisture carryover between cooling coils and drain pan. Clean and make corrections as needed.
Check fan blades, housing, and drive for wear and alignment. Clean, repair, or replaces as needed.
Check P-trap and assess field-serviceable bearings. Lubricate or prime as needed.
Check combustion chamber, burner, and flue for deterioration, leaks, moisture problems, condensation, and combustion products.
Check integrity of all panels and curbs on equipment. Replace fasteners as needed to ensure proper fit.
Inspect air-cooled condenser surfaces. Check damper for proper orientation. Repair or clean as needed.

Our Work