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The Ideal Solution for Commercial HVAC Fan Replacement Applications

Aging Central Air Handling Units (AHUs) life expectancy can greatly benefit through Q-Pac fan retrofit solutions.  Common considerations:

  1. Are the AHU chamber casings in good shape?  Are they double wall?  
  2. Is it time to replace compacted cooling and heating coils.
  3. Are you tired of the supply fan maintenance issues shutting down business.
  4. Was the mechanical room built  around the AHU?   Unit accessibility issues in limited access mechanical rooms often constrain replacement options.  

Q-Pac Fan Retrofits are very competitive when looking at first cost, but the real value is downstream in maintenance, dependability,  and controls and energy management benefits. 

Existing Rooftop AC?  Three criteria for VFD retrofits

HVAC equipment typically has a lifespan of twelve to fifteen years and that is why retrofit programs are so important.  VFD Retrofits improve energy efficiency, improve energy output and extend the lifespan of the existing system.

  1. Simple paybacks of less than one year.
  2. Reduce total kWh usage an average of 14% per month 
  3. Utility rebate programs can add an additional 10 percent cost reduction 

When to Retrofit RTUs with Variable Frequency Drives (VFD)

If your existing packaged rooftop air conditioning units (RTUs) meet the following criteria then a VFD Retrofit Upgrade should be considered:

  1. Existing RTUs have greater than 7 tons cooling capacity and are less than 10 years old 
  2. Existing RTUs have constant speed fan control 
  3. Existing RTUs are in good working condition with an expected additional lifetime of 5 years or more (if not consider early retirement and replacement)

The sole purpose of a VFD RTU retrofit is simple: decrease energy consumption and maintain or increase occupant comfort and environmental conditions.  

Orlando Business? Claim a Free CES Energy Assessment

CES offers a wide variety of programs to help Orlando businesses save energy and money.

Heating, ventilation, and air conditioning (HVAC) can account for as much as 30% of a building's annual energy usage.  CES offers a wealth of opportunities for businesses to cost-effectively improve the energy efficiency of their HVAC systems and save money on energy bills.

Claim Your Free Energy Assessment

CES Starts $12 million of HVAC Work in Orlando

Longwood-based CES start $12 million of heating ventilation and air conditioning, plumbing, and special effects work in the Orlando area.  In addition to nine theme park projects, the work includes the Florida Hospital Altamonte Pharmacy Renovation; the Bisk Education's interior renovation at 8427 S. Park Circle for Mcree General Contractors & Architects; Florida Hospital Celebration Fitness Center, for JM Construction Construction & Associates; and Nemours Childrens Hospital Clinical Refinement, for RC Stevens Construction.

CES Offers Free Energy Assessments to Orlando Businesses

CES offers a wide variety of programs to help Orlando businesses save energy and money.

Heating, ventilation, and air conditioning (HVAC) can account for as much as 30% of a building's annual energy usage.  CES offers a wealth of opportunities for businesses to cost-effectively improve the energy efficiency of their HVAC systems and save money on energy bills.

How do you start?  Start with a FREE Energy Assessment.  Contact a CES representative, who will visit your business to offer a free assessment with recommendations for energy-saving measures that will best benefit you.

CES Energy Plus HVAC Tune-Up Incentives Save Money

Heating, ventilation, and air conditioning (HVAC) can account for as much as 30% of a building's annual energy usage.  CES offers a wealth of opportunities for commercial customers to cost-effectively improve the energy efficiency of their HVAC systems and save money on energy bills.


  1. CES Energy Plus Incentive Program:  CES Energy Plus HVAC Incentives help businesses save energy and money on their electric bills, improve HVAC system performance and enhance indoor air quality and occupant comfort.  Each tune-up includes a thorough inspection and adjustment of the HVAC unit’s thermostat, economizer, refrigerant charge, coils and belts for optimal performance.

Case Study: Variable Frequency Drive (VFD) Retrofit Upgrade on RTUs

When to Retrofit with Advanced Controls:

CES looks for opportunities for increased energy efficiency with electrical and mechanical systems. If your existing RTUs meet following criteria then a VFD Retrofit Upgrade should be considered.

  • Existing RTUs have greater than 7 tons cooling capacity and are less than 10 years old 
  • Existing RTUs have constant speed fan control 

ARC Award Winners recognized for leadership and excellence in RTU efficiency

What is the Advanced RTU Campaign?

The Advanced RTU Campaign (ARC) encourages commercial building owners and operators to replace their old RTUs with more efficient units or to retrofit their RTUs with advanced controls in order to take advantage of these benefits.

Retrofit or Replace Packaged Roof Top Air Conditioning Units (RTUs)

RTU Retrofit or Replace?

New technologies for replacement and retrofits of existing rooftop air conditioning units (RTUs) offer tremendous savings opportunities. To help take advantage of those opportunities, DOE’s Advanced RTU Campaign (ARC) has developed a set of resources built around a streamlined RTU evaluation methodology.  

CES applies this proven methodoligy into its HVAC Planned Replacement Programs.  Use this checklist to determine if your building is a good candidate for an HVAC retrofit or replacement:

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Message from the President

Todd S. Morgan, P.E., President of CES

Todd S. Morgan, P.E., President

"Our professional services are the benchmark for quality and innovation. These long-standing commitments translate into CES’s formula for success. We are relationship based and performance driven. Our capabilities are unique and unmatched in our industry, we are a value provider for ensuring comfortable, efficient and healthy indoor environments."
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Todd S. Morgan, P.E.
President

 

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