Resources

Spring Fishing in Minnesota, Mike Comstock

Like many living in the north central part of the country, I look forward to getting on the water to fish. It’s a great resource to be enjoyed by the whole family.

Water Furnace Modular Chiller Solution

The Water Furnace TruClimate 300 (formerly the WC HybrEx) is a modular water-cooled chiller that can be the solution to a lot of challenging scenarios.

The Best Ability is Availability

There are many critical HVAC systems currently operating with degraded efficiency and on the brink of failure.

Winter & Beer

Given the seasonal nature of some beers, most beer connoisseurs have a few favorites they anticipate each time of the year.

Trinity Health – North Dakota

In 2017, EasyWater began working directly with TRC Worldwide Engineering on the water treatment for all the water-using equipment for Trinity Health, a large new hospital in Minot, North Dakota. 

ecocirc® 20-18 Part 2

Since its introduction, the Bell and Gossett ecocirc® 20-18 has been a tremendous success. The newest generation variable-speed ECM smart circulator provides a superior solution for heating, cooling, and potable water applications.

Lochinvar Lock-Temp Tanks

A simple-looking tank contains a lot more engineering than meets the eye. Take the Lochinvar Lock-TempR series of tanks used in their Better Approachr to potable water heating. Beyond the ability to simply hold a volume of water, these tanks are designed to maximize their effectiveness in a system. The Better Approachr separates the heat […]

Hellcat: Lochinvar’s Latest Innovation

For over a decade, the Lochinvar CREST has been an efficient and reliable source of hydronic heat.  The product line has been improved over the years to take advantage of new technologies and components.

Land of 10,000 Links

The North Star State truly does love golf! Year after year, Minnesota ranks in the top 10 in both golfers per household and golf courses per capita. Because of our love for the game, I thought it would be fun to share two of the amazing courses Minnesota has to offer.

Slashing Harmonics $aves

It is obvious how a variable frequency drive (VFD) saves energy and money by operating a motor at a reduced speed. Beyond just the reduction in power savings, VFDs with their inherent soft start and ramping can save in other ways such as equipment wear and tear.

Great people drive great workplaces.

We’re excited to announce that Mulcahy was once again named one of Minnesota’s 2021 Top 175 Workplaces by the Star Tribune.

Snowmelt System Design and Application

Event date: May 6, 2021

Time: 11:30am–1pm

Modern Gas-Fired Appliance Venting

Event date: April 22, 2021

Time: 11:30am–12:30pm

Challenging Pump Sizing

Event date: March 30, 2021

Time: 11:30am

Closed-Circuit Cooling Tower Selection and Application

Event date: March 23, 2021

Time: 11:30am

Open Cooling Tower Selection and Application

Event date: March 16, 2021

Time: 11:30am

Compressors – How to Enhance for the Future

Event date: March 10, 2021

Time: 12 noon

Legionella Treatment for Domestic Water Systems

Event date: March 9, 2021

Time: 11:30am

Water Heater Alternatives – Part 1

Mulcahy has a long history of supplying solutions to the universal building requirement of providing potable hot water. The most common source is the standard tank-style heater with a natural gas burner. Storing a large amount of preheated hot water allows for immediate access to the heated water, but like any approach, there are downsides.

New ecocirc® 20-18 and ecocirc+ 20-18

Bell & Gossett has long had a history of innovation and continuous improvement by taking advantage of new technologies and applying them to even the smallest products. Following the B&G “System Approach”, these new technologies are done to improve hydronic performance rather than doing things just to look flashy. New motor technologies and low-cost programmable […]

Other Manufacturer Training Events

Throughout the year, our manufacturer partners provide training events and demonstrations of their cutting-edge products and processes.

LochinvarU

Online training platform, LochinvarU, continues Lochinvar’s commitment to educating the public, customer service and sales teams on the latest high efficiency technology.

Little Red Schoolhouse

Bell & Gossett’s Little Red Schoolhouse is a completely equipped learning center which has trained more than 60,000 engineers, contractors and installers in the proper design, installation and maintenance of hydronic and steam systems.

Where We Are Now – An Update from Rob Grady

Over the last six months the Mulcahy team has been working in a hybrid environment to serve you while keeping our team as safe as possible. We have been working diligently to modify our workflows in order to limit the disruptions that come from this model. I have never been comfortable with the term new […]

Mulcahy Company transitions to be employee-owned through an employee stock ownership plan (ESOP)

Mulcahy Company, an Eagan, Minnesota-based company representing manufacturers of hydronics products for the heating and cooling and plumbing industries, transitioned to become a 100% employee-owned company through an employee stock ownership plan (ESOP).

Mulcahy Company names Rob Grady as President

Mulcahy Company has appointed Rob Grady, current Executive Vice President, as the company’s new President. Rob has 11 years of senior leadership experience in the manufacturer’s representative and mechanical equipment industry and has served the last six years as Executive Vice President at Mulcahy Company. “It has been a great experience working with our outstanding […]

Burner Retrofit Success Story

A large St. Paul health and fitness facility had trouble maintaining a piece of equipment critical to their operation. Their decades-old cast iron section Burnham V11 3.9 million input boilers not only serve the space heating requirements, but also the laundry, domestic water, and pool heating loads. 

Legionella, Potable Hot Water, and Recirculation

Legionella bacteria is a small creature that receives a lot of attention. Despite the relative rarity of cases in the United States, its potential to cause Legionnaires disease (AKA Pontiac Fever) positions it as a potential problem worthy of special attention.

Lochinvar Shield Upgraded

Lochinvar has a decades-long history of constantly improving and developing product to meet the needs and desires of the marketplace. The latest example of this commitment to continuous improvement is the improvements made to the Lochinvar Shield family of products.

Mulcahy COVID-19 Preparedness

At this point I know you have seen a lot of information about Coronavirus/COVID-19. At Mulcahy, we make it our top priority to safely deliver unparalleled customer service while maintaining a positive, healthy work environment for our team.

Untapped Knowledge

Barrel Theory opened in 2017 with a lot of anticipation. Started by some formerly Surly Brewing folks, this brewery has quickly become one of the hottest in the area.  In less than three years they have received local and national recognition for their location and amazing brews. It stands as my favorite destination in the metro, and among my top five breweries in the country.

Energy-Saving Services for Multi-Family Building Owners

Download MFBE Fact Sheet: PDF

Crest Produces Some of the Best Results in the Industry

The Crest series product has been a success in the HVAC marketplace for many years and Lochinvar continues to expand and improve the product line. Its efficiency, reliability, rugged design has earned praise from owners, engineers, and contractors.

CenterPoint Energy’s Natural Gas Energy Analysis Program

Download NGEA Fact Sheet: PDF

By Your Side for the Long Haul

While representing Mestek, Mulcahy sold Dakota State University some Mestek boilers. After this, Mulcahy ceased representation of that product and moved to Lochinvar for boilers. After this transition, the boilers at DSU had issues due to the site conditions that needed to be addressed.

A Culture of Growth

When you have the right people, with drive, integrity, and old-fashioned good work ethic, promoting and filling positions from within is a no-brainer. Some new and some familiar faces have moved into new positions within the Mulcahy team.

Xcel Energy Rebate Program

Minnesota utilities are required to give customers rebates to encourage the installation and retrofit of high-efficiency equipment. The rebates are available for a wide range of appliances and fall into two categories—prescriptive or custom.

Xcel Energy Announces New Rebate Program for Clean Water Pumps

Xcel Energy recently rolled out a prescriptive rebate program for Xcel customers for clean water pumps in Minnesota and we’re proud to say we are the first distributor to get on board. We can help you determine if you qualify for this Xcel Energy rebate and guide you through the process.

What You Need to Know: Double-Walled Heat Exchangers

To safeguard from cross contamination of potable water in the event of heat exchanger failure, many states and municipalities have special system requirements. The solution is a double-walled heat exchanger constructed in order to make cross contamination impossible.

Real-World Applications: ABB Variable Frequency Drives

Many are not aware of the full potential of an ABB VFD. Most of the time, the VFD is just a follower device—hanging on the wall waiting to be told what to do.

Dive deeper with these great resources

the American Society of Heating, Refrigerating and Air-Conditioning Engineers, is dedicated to advancing the arts and sciences of heating, ventilation, air conditioning, and refrigeration to serve humanity and promote a sustainable world. Click the logo at left to learn more.

Thank You!

Thank you to the 150+ who helped us celebrate our 90th anniversary at the 2019 Expo. With your help—and the help of our brave team—we raised nearly $15,000 for Xylem Watermark to provide and protect safe water resources for people and communities in need.

Do Sensors Make $ense?

Many options exist in the marketplace to control variable speed pumps in hydronic systems. The increased capability and price reduction of microprocessors has allowed the basic centrifugal pump to become smart.

Choosing the Right Flue Vents

Boilers and furnaces are engineered to efficiently extract the most possible energy from fuel combustion. After the energy is extracted, the waste product—flue gasses—must be exhausted outdoors. Several products and systems exist to perform this function, but how do we know which products provide the best performance and which to stay away from?

2019 Top 150 Workplaces

Great workplaces start with great people.

Burner Replacement – When and Why

In this article we are going to talk about burner replacements. When do we replace them and what are the benefits?

Plate & Frame Heat Exchangers – AHRI Certification

At one time or another, everyone has struggled to compete on a level playing field when proposing GPX Gasketed Plate & Frame heat exchangers. Your plate & frame - specification should now include AHRI Certification requirement.

Thank You, Steve Norberg!

On January 4, Mulcahy bid farewell to a fixture in the engineering community.

Meet Our Newest Manufacturing Partner – Industry Leader Lochinvar

On behalf of Mulcahy’s principals and owners, it is with much excitement that we announce our newest manufacturing partner, Lochinvar.

Ambassadors of Fun

The past few months at Mulcahy have been filled with exciting news and events!

Weishaupt Boiler – The Main Vein of Mercy Hospital

In 2012, Mercy Hospital’s central boiler plant had been limping along with outdated burners. Due to their age, parts were no longer available. After many visits from a local contractor to keep things running, it became clear it was time to replace the boilers.

Cooling Towers: Hunting for Energy-Efficiency & Low-Maintenance

Two summers ago, North Memorial Hospital (NMH), located in Robbinsdale, MN, presented vendors with a challenge. The hospital needed to expand their chilled water capacity while improving energy efficiency and reducing maintenance requirements.