We are proud to announce the successful completion of a massive HVAC integration for the Yanmar Tractor and Parts Warehouses. For this project, Controlled Air served as the lead organizer and turnkey provider, delivering a seamless “design-to-execution” experience that modernized the climate control for two massive industrial spaces.

Here is a look behind the scenes at how Controlled Air managed this complex infrastructure project.

The Scope: Total Project Management

This was not a simple “swap and drop” equipment changeout. This was a comprehensive facility upgrade. 

Beyond the mechanical installation, our team managed the critical logistics to keep the project running smoothly:

• Structural & Architectural: We handled the structural reviews and the installation of pre-engineered deck support systems to safely hold the new heavy-duty equipment.
• Roofing & Rigging: From crane rentals and rigging to the necessary roofing repairs and curb installations, we ensured the building envelope remained secure.
• Utilities & Safety: We managed the complete gas piping infrastructure, electrical connections, and fire alarm tie-ins (including duct smoke detectors).

The Technology: High-Efficiency Synergy

One of the most exciting aspects of this project was the equipment selection. We paired high-performance air handling with Yanmar’s own cutting-edge engine technology.

To condition this massive space, we furnished and installed a robust system designed for longevity and efficiency:

• Air Handling: Seven (7) Aaon 30-ton Rooftop AHUs, fully equipped with VFD blowers for energy efficiency and a high-grade filtration system using MERV 8 and MERV 13 filters.
• Heating & Cooling: These units are powered by fourteen (14) Yanmar 14-ton Gas Heat Pumps (GHP). This 2-pipe natural gas system utilizes Yanmar’s engine technology to provide efficient heating and cooling with reduced electrical demand.
• Reliability: The system includes custom 14″ roof curbs, stainless steel drain pans, and vibration isolation to ensure quiet, long-term operation.

2. The Parts Warehouse

Similar to the tractor facility, the parts warehouse received a top-tier upgrade:

• Three (3) Aaon 30-ton Rooftop AHUs paired with six (6) Yanmar 14-ton GHPs.
• This setup ensures that valuable inventory is kept at consistent temperatures while maintaining high air quality standards through double-wall cabinets and advanced filtration.

Intelligent Controls

Controlled Air furnished and installed a complete Johnson Controls ecosystem to tie the entire facility together.

We deployed panel-mounted controllers across both warehouses, complete with all necessary sensors, relays, and current switches. For the Parts Warehouse, we installed a Johnson Controls Supervisory front-end controller. This web-based user interface allows facility managers to monitor the system remotely, ensuring peak performance and immediate diagnostics.

The Controlled Air Difference

By handling everything from the certified air balancing and start-up testing to the permits and gas meter coordination, Controlled Air ensured that Yanmar could focus on their business while we handled their building.

We are thrilled to hand over a facility that is energy-efficient, structurally sound, and controlled by the latest in building automation technology.

Do you have a complex commercial or industrial HVAC project? Contact Controlled Air today to see how we can organize your next project from start to finish.

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In the world of commercial buildings, efficient and reliable HVAC isn’t just a luxury, it’s a necessity. It impacts everything from tenant comfort and employee productivity to your bottom line. As part of Yanmar, we’re incredibly excited to unveil: the New Yanmar Rooftop Unit (RTU).

This isn’t just another HVAC system; it’s a testament to superior design, unparalleled efficiency, and a commitment to long-term value. Let’s dive into what makes the Yanmar RTU the smart choice for your next commercial HVAC upgrade.

Engineered for Excellence, Built for Performance

The New Yanmar RTU embodies our core philosophy: to deliver robust, efficient, and reliable solutions. Every aspect of this unit has been meticulously designed to maximize comfort while significantly minimizing operating costs.

• Exceptional Efficiency: With an impressive IEER (Integrated Energy Efficiency Ratio) of up to 21.3, the Yanmar RTU sets a new standard for energy savings. This high efficiency translates directly into lower utility bills, making it a sound investment that pays dividends over its lifespan.
• Durable Construction: We know that a rooftop unit needs to withstand the elements. That’s why the Yanmar RTU features double-wall, 20-gauge panels, providing superior durability, enhanced thermal performance, and quieter operation.
• Made in the USA: Quality control and efficient logistics are paramount. Being Made in the USA not only ensures the highest standards of manufacturing but also allows for lead times as short as 4 weeks, getting your new system up and running faster.

The Power of Choice: Three Models for Every Need

Understanding that every commercial space has unique requirements, the Yanmar RTU comes in three versatile models:

1. Standard Rooftop Unit: Our core offering provides robust and efficient heating and cooling, perfect for a wide range of applications. Download Brochure
2. Advanced Heat Pump Technology with Dual-Fuel Capability: This innovative model integrates an advanced electric heat pump with natural gas auxiliary heat. It intelligently shifts between electric and gas operation based on outdoor temperatures, ensuring year-round climate control that is both cost-effective and energy-efficient. It’s intelligent climate control that adapts to your environment. Download Brochure
3. Dedicated Outdoor Air Rooftop Unit (DOAS): Designed to deliver precisely conditioned outdoor air, improving indoor air quality and ventilation for healthier, more comfortable environments. Download Brochure

Unmatched Peace of Mind: Industry-Leading Warranties

Investing in an HVAC system is a significant decision. We stand by the quality and durability of the Yanmar RTU with warranties that truly set us apart:

• 5-Year Parts Warranty: Our comprehensive parts warranty covers your investment, reflecting our confidence in the components we use.
• 25-Year Non-Prorated Heat Exchanger Warranty: This is an industry-leading commitment. A non-prorated warranty means that the coverage value does not decrease over time, ensuring your critical heat exchanger is protected for a quarter-century. This offers unparalleled long-term security and peace of mind.

Simplifying Your Upgrade: A Seamless Transition

We believe that upgrading your commercial HVAC system shouldn’t be a headache. The Yanmar RTU is designed for a seamless transition:

• Innovative In-House Curb Adapters: Our specially designed curb adapters ensure a simple, reliable swap that perfectly fits your existing footprint. This dramatically reduces installation time and complexity, minimizing disruption to your business operations.
• Fast Availability: With units Made in the USA and lead times as short as 4 weeks, you can experience the benefits of superior comfort and efficiency sooner rather than later.

Experience the Yanmar Difference

The New Yanmar Rooftop Unit represents the pinnacle of commercial HVAC technology—combining advanced features, robust construction, exceptional efficiency, and unparalleled warranties. It’s more than just a unit; it’s a strategic investment in the comfort, efficiency, and long-term value of your commercial property.

Ready to elevate your building’s performance? Contact us today to learn more about the Yanmar RTU and discover how it can transform your commercial HVAC experience.

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Controlled Air Inc. provided mechanical design build support to the Elm City Bioscience building infrastructure upgrades located in New Haven. The bioscience building is 113,620 sq ft which includes 8 stories plus a lower level and mechanical penthouse.  The project will be on-going with multiple floors being converted from smaller office spaces to larger open lab space and smaller office areas.

The completed work includes Lab/office suites for BSL-1 and BSL-2 biotech companies. The lab spaces required a minimum of 8 Air Changes per Hour (ACH) of 100% outdoor air, no more than 60% Relative humidity and N+1 redundancy for exhaust. Additionally, two new boilers were installed with 5,000 MBH total capacity.

Controlled Air Inc. installed a Yanmar GHP Heat Recovery System for comfort cooling in the offices and supplemental cooling in labs. One 14-Ton GHP with Heat Recovery was installed for each office suite.

A new Johnson Controls building management system was installed to control and monitor the HVAC system, as well as trend energy usage by each tenant.

More information will be coming as this energy efficient project progresses.

Learn More about Gas Heat Pumps

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A recent article in Combined Heat and Power Magazine highlighted an energy project at Naugatuck High School. Controlled Air Inc. worked with Advanced Energy Efficiencies to develop a cogeneration installation that will provide 140 kW of electrical power and 820,000 Btus of hot water supply.

Advanced Energy Efficiencies put together a highlight video giving a brief overview of what was accomplished in the project and explained how solar and CHP can make a great team to lower energy costs.

#CHP #cogeneration #energyefficiency #solar
Check Out Page 6 In the Magazine


Read more on YANMAR CHP here

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Advanced Energy Efficiencies and Controlled Air Inc. worked together to create a high efficiency system using YANMAR gas powered GHP. Prior to installation calculations were done to determine the best system and estimated energy savings. After 7 months running the system has performed even better than expected. Check back soon for more information.

Watch the video below for more information.

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YANMAR

The YANMAR Variable Refrigerant Flow (VRF) natural gas heat pump (GHP) system provides a flexible way to efficiently heat and cool many different types of buildings. By using natural gas to power a YANMAR gas engine, YANMAR’s VRF system is able to reduce electrical costs by 90% and lower average operating costs by 30% over a standard electric system. By using world class Yanmar gas-engines to drive the system, these reversible air-source heat pumps can give low running costs, reduce CO₂ emissions and use very little electricity. GHP is a well-established technology and Yanmar has been one of the leaders in this field for the last 30 years. By offering Air-to-air (VRF) and Air-to-water GHP systems, Yanmar can provide efficient and cost effective solutions for a wide range of cooling and heating applications.

These systems are ideal in many applications where cooling and heating might be necessary at the same time in different areas of a building such as offices, schools, hospitals, labs and mixed use facilities. For more information:

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1. The school needed to provide cooling to the entire school. Any additional equipment added to their current HVAC could potentially overload their electrical system, making cooling the entire school a challenge.
2. Josephs wanted to be energy efficient and reduce their expenses.
3. They had an older steam boiler for heating that was inefficient and expensive to run.

Controlled Air Inc. investigated multiple solutions including typical electrical VRF and a YANMAR VRF (GHP) gas powered heat pump system. Through analysis it was determined that the YANMAR VRF GHP would be the best solution for the school. The YANMAR VRF GHP would meet their requirements, by providing heating and cooling, reducing power demand, decreasing the need for the steam boiler, as well as being energy efficient. Since the Yanmar requires less electrical power to run the school would have the ability to add cooling throughout the school without overloading their electrical system. Additionally, the YANMAR system removed the need to use the steam boiler to heat the gym, reducing the need to run the boiler.

Controlled Air INC. installed four YANMAR 14-ton gas heat pumps which included two air handler units with variable air flow. Also included was the newest Johnson Controls FX-80 supervisory front end controller with a web based interface. The new system was 20% more efficient than  the electric cooling alternative and 50% more efficient than the current steam heating.

YANMAR

The YANMAR Variable Refrigerant Flow (VRF) natural gas heat pump (GHP) system provides a flexible way to efficiently heat and cool many different types of buildings. By using natural gas to power a YANMAR gas engine, YANMAR’s VRF system is able to reduce electrical costs by 90% and lower average operating costs by 30% over a standard electric system. By using world class Yanmar gas-engines to drive the system, these reversible air-source heat pumps can give low running costs, reduce CO₂ emissions and use very little electricity. GHP is a well-established technology and Yanmar has been one of the leaders in this field for the last 30 years. By offering Air-to-air (VRF) and Air-to-water GHP systems, Yanmar can provide efficient and cost effective solutions for a wide range of cooling and heating applications.

These systems are ideal in many applications where cooling and heating might be necessary at the same time in different areas of a building such as offices, schools, hospitals, labs and mixed use facilities.

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