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How 75F Improves Heat Pump, Fan Coil Unit, & PTAC Energy Efficiency

By Sarah Baker on Jun 11, 2019 6:00:00 AM

Imagine a residential smart thermostat with machine learning, remote control, and a mobile app. Apply that to commercial buildings and you get the wireless-networked 75F Smart Stat: the world’s smartest commercial thermostat. Then combine the 75F Smart Stat with a full Building Automation System (BAS) and you get an incredible combination of group controls for several HVAC systems, along with lighting and boiler and chiller plant controls for a unified, wholistic commercial BAS at half the cost of the competition.

Let's take a look at how it works. 

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4 Energy Conservation Measures for Energy Consultants

By Sarah Baker on May 21, 2019 10:29:27 AM

Frustrated about how few of your Energy Conservation Measures (ECMs) get implemented? Change the payback equation with a simple, low cost Building Automation System (BAS) from 75F that can support nearly all ECMs, prescriptive and custom. With modern technology, such as cloud computing, machine learning, wireless networking and mobile apps, 75F can rapidly implement ECMs with little or no programming and at half the cost when compared to a traditional BAS, with energy savings from 30% to 50%, a lower installation cost and a one to three-year payback.

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How the 75F System Works with VAV Systems

By Sarah Baker on Apr 18, 2019 6:13:00 AM

There's a lot of waste involved with VAV systems commonly used in office and commercial buildings. Typically, VAV systems operate with roof-top units (RTUs) in cool-only mode. The supply air temperature is held constant at 55°F and, when a zone falls below its setpoint, the damper closes and reheat is enabled. When a zone is above its setpoint, the damper opens fully to allow as much 55°F air as possible into the zone to cool the space quickly. This cycle often involves first cooling and then heating the same air. Since the RTU operates in cool-only mode, the 55°F air must again be reheated before it is discharged back into the space to keep the zone's air temperature in balance.

See the waste?

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How Can Class B Buildings Get Smarter?

By Sarah Baker on Oct 17, 2018 7:52:14 AM

Could your office building be described as… average? Maybe it doesn’t have a fountain in the lobby, or a view of the ocean – but you have four solid walls, a non-leaking roof, and only a few drafty cubicles. Have you ever tried to make your building work with an HVAC hack? Maybe you even taped a piece of cardboard over the vent to manage the airflow. That would be pretty clever of you, MacGyver.

So, if your office building is around 10-20 years old, has some wear and tear, but is generally in good shape, you probably have a Class B building. This is good news. Investors tend to target these buildings since, with a few upgrades, they can easily become Class B+ and compete readily with Class A properties. One of those upgrades is making your Class B smart – and it’s probably easier than you think.

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Case Study: Amazing Lash Studio Manages Customer Comfort & Zone Control with Ease

By Sarah Baker on Sep 28, 2018 2:26:22 PM

Amazing Lash Studio is a fast-growing, premium eyelash extension salon franchise. When they expanded into two new Minnesota locations, they needed an HVAC controls company who could overcome specific challenges. First, they needed zone control for their indoor environment. Since Amazing Lash offers a premium experience, occupant comfort is a top priority. The temperature in each salon room needed to be controlled individually – as well as the temperatures in each hallway, lobby, and office. One of the new locations had another challenge: large windows in the lobby were creating "solar gain", causing major temperature swings which needed to be balanced. Finally, humidity control was required for product performance. “We have an adhesive that we put on every single lash,” explains Patty C., a franchise owner in Minneapolis. “The glue only sticks at a specific humidity.”

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VIDEO: VAV Box Controllers Deserve a Smarter Approach

By Ben Wallace on Jun 28, 2018 9:16:24 AM

The Variable Air Volume (VAV) with reheat HVAC systems and box controllers commonly found in commercial office buildings present a great opportunity for building owners and managers to save energy, improve operational efficiencies and better manage occupant comfort, with more sophisticated sensing and controls orchestration. These VAV with reheat systems tend to use the rooftop unit (RTU) to first cool supply air to a standard 55 degrees, then typically use the electric heat at the individual VAV box reheat elements throughout the building for heating supply air to desired temperatures for the zones. Though, the traditional VAV system has several issues with inefficiency and lack of sensing and controls management.

Check out this video to learn how you can improve building performance with operational efficiencies and a better occupant experience with the 75F Smart VAV with Reheat solution.

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