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The Donnelly Mechanical Blog

New York's ONLY HVAC Energy Service Company

The Manhattan Skyline in 2016

New York City has long been known for some of the tallest buildings on Earth.

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HVAC Systems in Data Centers

Over the last two decades, the Internet has grown at an incredible rate. In mid-2015, the United Nations estimated that there are 3.2 billion people on the World Wide Web. That’s massive growth from the 738 million or so who were online back in 2000.

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New York City Record Temperatures

New York is known for fierce winters. The last few years have brought some of the most intense winter storms in living memory, and you never know how the season will play out. But, of course, cold isn’t the whole story.

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We're Proud of our Certifications!

When it comes to providing service to complex building systems, continuous learning is crucial to ensuring the highest quality. Best practices are always changing, and staying aware of those changes is a vital step in making sure customers get reliable value.

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LEED and HVAC Systems

When it comes to energy efficiency, there are many ways to improve the outlook for an existing building. Still, once construction is complete and the ribbon is cut, you do lose some options.

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Energy Conservation Standards for Pumps

Your commercial HVAC system will be around for the life of your building, and in most cases, you’ll find yourself focused on preventive maintenance rather than major refits. That being the case, it’s important to keep an eye on new regulations to make sure your equipment is up to date – upgrading can take time, and you don’t want to fall out of compliance!

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Variable Refrigerant Flow (VRF) Systems

New regulations and customer expectations are changing the way that commercial facilities managers tackle the challenges of temperature control. Once-common refrigerants are being phased out due to environmental concerns. At the same time, new technologies raise efficiency in innovative ways.

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Emergency Commercial HVAC Services in NYC

How much money would your business lose if it had to close down for a day?

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A Checklist for Facilities Managers

The comfort, health, and safety of your commercial tenants depend on your building’s systems working together effectively. To protect assets from costly emergencies, it’s crucial to take a proactive approach – monitoring your building and resolving issues before they grow out of control. Your HVAC system is the perfect place to start.

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Congratulations to the Donnelly Mechanical Bicycle Team!

The Donnelly Mechanical Bicycle Team is always pushing themselves to complete their next big ride and on June 25th, they did just that! Completing the Discover Hudson Valley 55 Mile Bike Tour, the bike team rode triumphantly through the lengthy trek.

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