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Mo99: An R22 Replacement
SBS-NC, LLC Commercial HVAC & Electrical • May 19, 2023

A Quick Look at Mo99 as a Replacement for R-22

     In the world of Commercial HVAC services, SBS-NC, LLC is a name you can trust. Based in Greensboro, NC, and serving the larger Southeastern US region, we specialize in a broad range of services, including HVAC refrigerant retrofits. One key aspect of our work revolves around the use of Mo99 refrigerant, also known as R-438A or Freon™ MO99™.


     Mo99 is a hydrofluorocarbon (HFC) refrigerant, which acts as an effective replacement for the hydrochlorofluorocarbon (HCFC) refrigerant R-22. As we transition towards more environmentally-friendly options, the phase-out of R-22 has become necessary due to its ozone-depleting potential and high global warming potential. In contrast, Mo99 has zero ozone-depleting potential and a significantly lower global warming potential, making it an excellent choice for retrofit projects.


     One of the major advantages of Mo99 refrigerant is its compatibility with all types of lubricants used in R-22 systems, including mineral oil, alkylbenzene oil, and polyolester oil. This compatibility eliminates the need for an oil change during system retrofitting, simplifying the process and reducing associated costs.


     Additionally, Mo99 offers a close performance match to R-22, with similar capacity, efficiency, pressure, and temperature characteristics. This ensures minimal changes in system performance and operation, further reinforcing its suitability for a variety of R-22 systems, such as residential and commercial air conditioning systems, low and medium-temperature refrigeration systems, heat pumps, and chillers.


     While Mo99 is a promising refrigerant, our expert team at SBS-NC, LLC in Greensboro acknowledges its potential drawbacks. These include higher costs and discharge temperatures compared to other HFC refrigerants and somewhat limited availability in certain regions. Despite these concerns, proper lubrication and cooling can mitigate the impact of higher discharge temperatures on the compressor's lifespan.


     Our professional commitment at SBS-NC, LLC extends beyond merely recommending a refrigerant or providing a service. We invest our time in understanding your business's specific HVAC needs and objectives. We present you with a comprehensive overview of all options, considering each refrigerant's advantages, drawbacks, and compatibility with your system.


     If you're a business in Greensboro, NC, or the Southeastern US, looking for reliable, transparent, and expert Commercial HVAC services, SBS-NC, LLC is your premier choice. Whether it's retrofitting your existing HVAC system with Mo99 refrigerant or considering other alternatives, we ensure that the solutions we deliver align perfectly with your business needs. Trust us to prioritize your comfort and the environment in every decision we make. Reach out to us at SBS-NC, LLC today, and experience a service that truly caters to you. Call us today!


Finding the right Commercial HVAC contractor in Greensboro, NC
By SBS-NC, LLC Commercial HVAC February 21, 2025
When it comes to keeping your business comfortable year-round, choosing the right commercial HVAC contractor is crucial. Whether you need AC repairs, preventative maintenance, or a full system replacement, working with a trusted and experienced HVAC provider ensures efficiency, reliability, and cost savings. At SBS-NC, LLC , we’ve been serving businesses in Greensboro, NC and across the Southeastern U.S. since 1991. Unlike many HVAC companies, we self-perform all HVAC work—no subcontractors, no delays—just expert service you can trust. Here’s how to find the right commercial HVAC partner for your business and why SBS-NC, LLC is the best choice. 1. Look for Experience and Expertise Commercial HVAC systems are complex and require a specialized skill set that differs from residential HVAC work. When selecting a contractor, consider: Years in business – SBS-NC, LLC has over 30 years of experience handling all aspects of commercial HVAC systems. Certifications and training – Our technicians are fully certified and continuously trained in the latest HVAC technologies. Industry specialization – We work with businesses of all sizes, from small offices to large corporate facilities, ensuring tailored solutions for your needs. 2. Prioritize a Contractor Who Self-Performs All Work Many HVAC companies subcontract their work, which can lead to delays, inconsistent quality, and hidden costs. At SBS-NC, LLC, we take pride in handling all HVAC projects in-house. This means: ✔ No middlemen—just direct service from trained professionals. ✔ Faster response times and seamless project management. ✔ Greater accountability for quality and customer satisfaction. 3. Ensure They Offer Comprehensive Services A good commercial HVAC contractor should be able to handle all of your business’s HVAC needs, including: Preventative maintenance to keep your system running efficiently and reduce unexpected breakdowns. AC repairs to quickly restore cooling and comfort in your building. RTU (rooftop unit) replacements for improved energy efficiency and performance. Emergency services for urgent HVAC issues that can’t wait. At SBS-NC, LLC, we specialize in all of the above, helping businesses in Greensboro, NC stay ahead of HVAC issues before they impact operations. 4. Check Customer Reviews and Reputation A company’s reputation speaks volumes. Before hiring an HVAC contractor, check online reviews and ask for customer references. We take pride in our long-standing relationships with businesses across Greensboro and beyond. Our clients appreciate our reliability, professionalism, and ability to deliver top-notch HVAC services without outsourcing the work. 5. Look for Energy-Efficient Solutions Energy-efficient HVAC solutions can significantly reduce your operating costs. A reputable contractor will offer energy-saving options such as: High-efficiency HVAC systems Smart thermostats and zoning systems Regular maintenance to optimize performance At SBS-NC, LLC, we help businesses upgrade their systems for maximum efficiency and cost savings, ensuring long-term benefits. 6. Choose a Contractor That Understands Local Needs Greensboro’s climate presents unique challenges for HVAC systems, from hot, humid summers to chilly winters. A local contractor like SBS-NC, LLC understands these regional factors and can recommend solutions tailored to your business’s needs. SBS-NC, LLC is Your Trusted Commercial HVAC Partner When searching for a commercial HVAC contractor in Greensboro, NC, don’t settle for anything less than a trusted, experienced, and self-performing team. At SBS-NC, LLC, we are committed to delivering high-quality AC repairs, preventative maintenance, and system replacements to keep your business running smoothly. If you’re looking for reliable commercial HVAC services in Greensboro , contact SBS-NC, LLC today. Our team is ready to provide expert solutions tailored to your business’s unique HVAC needs. 📞 Call us today to schedule a consultation!
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How Does Snow Affect Commercial HVAC Units? As winter sweeps through Winston-Salem, NC , business owners must consider how snow and ice impact their commercial HVAC systems . Whether you run a retail store, office space, or industrial facility, the performance of your heating and cooling systems can make or break your comfort, productivity, and energy efficiency . Snow poses unique challenges for commercial heating and HVAC systems, and addressing these issues promptly can save you from costly heating repairs . In this blog, we’ll explore how snow affects commercial HVAC units and offer practical tips to protect your investment. The Impact of Snow on Commercial HVAC Systems 1. Blocked Airflow Snow accumulation around rooftop or outdoor HVAC units can block airflow, causing the system to overheat or malfunction. Restricted airflow reduces efficiency, leading to higher energy bills and unnecessary strain on the equipment. 2. Frozen Components Ice buildup on heat pumps, coils, and condenser units can damage essential components. Frozen parts may crack, leading to costly repairs or replacements. Prolonged exposure to freezing conditions without proper maintenance could also shorten the lifespan of your commercial HVAC system. 3. Excess Moisture Melting snow introduces excess moisture into your system. If not drained properly, this moisture can lead to rust, corrosion, and electrical issues, all of which can compromise the performance of your heating equipment. 4. System Overload During colder months, commercial heating systems often work overtime to maintain a comfortable indoor temperature. Snow and ice further increase the workload, putting your HVAC unit at risk of overheating or breaking down. 5. Roof Damage For rooftop HVAC systems, the weight of heavy snow can damage structural supports, potentially misaligning or damaging your unit. This not only impacts performance but also increases repair costs. Preventing Snow-Related HVAC Problems Protecting your commercial HVAC system from snow in Winston-Salem’s unpredictable winter weather doesn’t have to be complicated. Here are some preventative measures: -Clear Snow Regularly: Ensure snow is removed from around outdoor units to prevent airflow blockage. Be cautious to avoid damaging the equipment during snow removal. -Schedule Regular Maintenance: Professional HVAC inspections before winter can help identify vulnerabilities in your system, ensuring it’s ready for colder weather. -Install a Protective Cover: Consider using a cover designed specifically for commercial HVAC systems to shield the unit from snow and ice without obstructing airflow. -Inspect Drainage Systems: Ensure proper drainage to prevent water from pooling and freezing in or around your HVAC unit. -Monitor Roof Conditions: If you have a rooftop HVAC system, inspect your roof regularly to ensure it’s structurally sound and free from excess snow buildup. When to Call for Professional Heating Repairs in Winston-Salem, NC Even with preventative measures, winter weather can sometimes lead to unexpected HVAC problems. If you notice inconsistent heating, unusual noises, or spikes in energy bills, it’s time to call a commercial HVAC professional in Winston-Salem. Prompt attention to these issues can prevent minor problems from becoming costly emergencies. Why Choose Us for Your Commercial HVAC Needs in Winston-Salem, NC? As trusted experts in commercial HVAC systems, we understand the unique challenges winter brings to Winston-Salem businesses. Our services include: - Comprehensive commercial heating maintenance - Quick and reliable heating repairs - Energy-efficient HVAC upgrades tailored to your business Don’t let snow and ice take a toll on your commercial HVAC system. Contact us today to schedule an inspection or repair and keep your business running smoothly all winter long. Contact Us Looking for dependable commercial HVAC services in Winston-Salem, NC? Call us today or schedule an appointment online. Let us help you stay warm and efficient this winter.
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