The pandemic has caused IAQ to become a big concern, which has led industry experts to recommend increasing ventilation and upgrading filtration for commercial buildings.

For contractors in humid climates, a lot of the comfort they provide is through being able to control humidity levels, which can be aided by adding a secondary dehumidification system.

With Zonefirst's Internet of Zoning (IoZ) technology, the Bliss system enables homeowners to manage both lighting and temperature settings through an app.

The kenza cloud is a cloud-based platform for distributors, contractors, building owners, and facility managers who would benefit from remotely controlling, scheduling, and charting City Multi and M-Series systems’ data, along with getting off-site troubleshooting support.

The Sinamics G120XE was designed specifically for the demands of industrial pump, fan and compressor applications in a wide variety of markets.

The Access Control System for the Geniox units allows operators to optimize ventilation performance, helping them to create a healthy and comfortable indoor climate. 

The air365 Max with HeatForce heat pump can operate at 100% heating capacity with outdoor temperatures as low as -13°F and at 90% capacity down to -22°F.

The collaboration between Airzone and Samsung will make it possible to connect HVAC units from any leading manufacturer to Samsung's SmartThings platform.

The Markham District Energy facility differs from standard applications because instead of relying on conventional energy sources, it captures waste heat from sewage, which enters at about 5°C and is converted into 95°C usable heat.

Hydronic snowmelt systems can bring convenience and comfort to places like zoos, sidewalks, decks, pools, and driveways — but they can also save lives.

With rising energy prices and new legislation escalating demand for more efficient buildings, modern hydronics presents a viable solution to reduce HVAC systems’ negative impact on the environment.

When considering radiant heating options, installers and homeowners are learning that using both hydronic and electric sources may be the best of both worlds.

Hydronic zone systems have proven themselves to be a sustainable heating and cooling option with a longer lifespan, and potential for cost savings.

In this month’s troubleshooting situation, you are responding to a customer’s complaint that their walk-in cooler “isn’t cooling enough.”

NASRC to offer free training event for refrigeration technicians in St. Louis who want to learn more about natural refrigerants, such as CO₂ and propane.

NASRC to offer free training event for refrigeration technicians in Pittsburgh who want to learn more about natural refrigerants, such as CO₂ and propane.

Now available up to 40 hp, this product has a smartphone interface and comes in stand-alone, disconnect, and bypass versions.

The question of replacing a blower versus an entire system – versus the chance something else is the real culprit – remains a case-by-case challenge.

Inverter technology is being incorporated into a wider range of HVAC systems, allowing the equipment to operate at lower speeds and consume less energy, which results in significant energy savings and lower carbon emissions.

Dynamic Systems Inc.’s l Stand-alone Mobile Inventory Application (SMIBA) uses barcodes to manage inventory and upload the information to any accounting system.

A new, national program from Carrier and Orca Energy, a leading geothermal utility provider, is designed to makes geothermal heating and cooling more accessible in new construction homes. Orca Energy will provide financing for geothermal earth loops in new residential developments with the purchase of a Carrier geothermal system.

Acco Engineered Systems announced that it will join forces with All Area Plumbing, a regional design-build plumbing contractor serving Southern California. Adding All Area Plumbing’s capabilities, Acco said it will strengthen its position as one of the largest mechanical contractors in the western United States.

AMCA will launch the Air System Engineering and Technology (ASET) series of free webinars on topics impacting air systems in buildings.

Let’s look at five hidden reasons HVAC systems might not keep up when the temperatures get hot, how to test for them, and potential repairs.

Optimizing HVAC systems with new technology can result in a domino effect of benefits. One great example is the HVLS fan, which can boost HVAC system performance, efficiency, and sustainability.

In order to understand the foundational principles of duct sizing, a thorough study of ACCA Manual D is a great place to start.

When paired with heat pumps, air handlers are a great all-electric and sustainable option.

Ongoing and evolving U.S. Environmental Protection Agency (EPA) and Department of Energy (DOE) regulations have created a complex landscape for supermarket owners.

Troubleshooting the high side of a refrigeration system will often give service technicians valuable information. That’s because what happens in the condenser is a direct reflection of what is happening in the rest of the refrigeration system.

There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.

A duct system is the part of an HVAC system that most homeowners don’t consider, yet it determines how well their equipment works.

Poorly installed HVAC systems work twice as hard as they should and suffer from a wide variety of invisible health problems.

Even if a system is replaced, if ductwork is undersized, the homeowner won’t be getting the best bang for their buck.

By employing a ventilation strategy such as a DOAS, conditioned fresh air can be brought into the building, thus improving IAQ and ensuring a safer environment.

While hydronic systems have long been recognized for their energy-saving properties in HVAC and plumbing applications, designing an efficient hydronic system and narrowing down the necessary system components can be challenging.

Used in new construction and retrofit applications, the product is small, light, and customizable.

This product allows technicians to safely lift, move, and set commercial rooftop a/c units up to 27-ton capacity or 2,500 lbs.

The ACHR NEWS caught up with Johnson Controls’ “Game On” Roadshow at its final stop in Rochester Hills, Michigan.

John Milligan, who had been an equipment operator and a member of the International Union of Operating Engineers, was left paralyzed from the waist down by a car accident in 2022.

At the core of the BACnetIP solution is the QuickServer gateway, developed by a third-party integrator. This BTL (BACnet Testing Laboratories) certified gateway serves as a communications bridge between the Gen X System and a customer’s building management system.

The Charlotte Mecklenburg School System (CMSS), the 19th largest in the U.S. with a $1.3 billion operating budget, recently decided to take action to identify school system buildings that might be exhibiting air leakage.

While servicing equipment, technicians should be on the lookout for sources of potential future leaks, as well as follow good service practices to prevent creating leaks.

The Environmental Investigation Agency (EIA) unveiled a new initiative identifying U.S. retailers committed to taking leadership action to reduce HFCs.

When installing or repairing a refrigeration system, technicians should look for opportunities to slightly modify the system (without changing its design) to make it more serviceable.

RDSs are generally required in A2L systems that contain more than 4 pounds of refrigerant and can either be field or factory-installed, depending on the manufacturer.

Based on hygrometer technology, this product identifies deviations from ambient rh levels, which can cause static hazards at manufacturing sites and discomfort in homes and offices.

Heat-only, direct-fired, and indirect-fired makeup air units have been added to the company’s product line. 

While traditional hospital HVAC systems often consist of chillers and boilers, other types of equipment are becoming more widely accepted in the health care market, including variable refrigerant flow (VRF) systems, air curtains, and geothermal heat pumps. 

Once only found in mild climates, the technology now stretches across the U.S., thanks to advances in inverter technology and zone controls. On the other hand, the level of sophistication in these systems sometimes makes them difficult to troubleshoot when something goes wrong.

In collaboration with Tropic Supply, Cooper&Hunter has gifted Daytona State College with six complete HVAC systems, considering the donation as a useful investment in the next generation. The on-campus working stations, which include units from Cooper&Hunter’s modern “Sophia Mini-Split Single Zone Series,” will give students hands-on learning opportunities with technology that is becoming increasingly popular in the U.S.