ACHRNEWS

Unconventional Truck, Tools Solve Problems

August 30, 2010
Steve Berger of Berger HVAC drives a 2005 Mitsubishi 14-by-8-foot box truck that’s large enough to store the average service tech’s van inside.


NORTHWOOD, N.H. - “Nonconformist” is a word that perfectly describes Steve Berger, a 30-year-veteran HVACR service technician and president of Berger HVAC LLC. Products and equipment that other technicians might consider as nonconforming become part of Berger’s service arsenal as long as they perform up to manufacturer claims, save time or money, and exhibit efficiency gains. Nonconformity isn’t a goal, but merely his strategy when more conventional practices sometimes cost the customer more money.



LIFT TRUCK

The best example is his truck. It’s a 2005 Mitsubishi 14-by-8-foot box truck that’s uncommon in the HVAC industry. In fact, it’s large enough to store the average service tech’s van inside. The size enables a huge inventory that eliminates time-consuming trips to the wholesaler. Plus, it has a roof-mounted hydraulic aerial lift bucket - unheard of in HVAC work - that permanently eliminates carrying heavy equipment and tools up and down ladders and saves job time.

Berger’s truck body, back bumper, and the bucket lift were customized and provided by RBG Inc. of Raymond, N.H. The back bumper was fabricated specially for Berger with a workbench-like platform that’s 36 inches deep and the width of the truck. It also has a small set of stairs on one end so Berger can easily access the back of the truck.

Recently, Berger had a burned out, 5-horsepower, 100-pound compressor in a Trane rooftop above a restaurant. The bucket lift made hiring a crane for $150/hour unnecessary because he was able to put a nylon strap through the new compressor’s eyelet and a D-Ring on the lift’s boom to hoist it onto the roof. The old compressor was brought down in the same manner. Without a lift bucket or a crane, the last resort is four men on the roof with ropes manually pulling it up, which presents potential danger of an accident or injury.

Berger’s custom truck enabled him to do the job without the usual associated hazards.

CUSTOM FILTERS

For example, Berger went unconventional when a machine shop customer’s light commercial rooftop units spewed smoke every fall heating season start-up because the plant’s computer numerical control (CNC) machinery processes had oil-coated the heat exchangers throughout the year. Instead of replacing the units with costly industrial-grade heating equipment, Berger, who is a veteran welder, designed his own sheet metal filter holders, outfitted them with washable PreVent Equipment Protection Filters by Permatron, and installed them on the units.

Berger customized his truck with a roof-mounted hydraulic aerial lift bucket to eliminate carrying heavy equipment and tools up and down ladders.

LEAK SEALANTS

Berger learned long ago that saving older equipment or at least prolonging its services, especially during recessionary times, creates a loyal lifelong customer. It also generates many referrals that have helped him build his four-year-old business, which he operates with his wife, Margaret.

With complex refrigeration leaks, Berger uses a refrigeration system sealant for indiscoverable or inaccessible leaks because of time restrictions. Not only does this practice save customers thousands of dollars, in most cases, repairing presumably unfixable equipment and making it efficient again saves the environment from many pounds of leaked refrigerant. Using Super Seal leak sealants by Cliplight Mfg. has added such a marketable dimension to his commercial services that he even promotes the product on his new website.

Vacuum-packed sealants and true moisture removal agents are two proven methods of increasing new and old refrigeration system operating life cycles by several years so owners can budget and plan for equipment replacement at a later time.

Northwood Country Market became a loyal customer since Berger successfully fixed the convenience store’s 40-gallon refrigerated seafood/live bait tank, which is responsible for drawing many customers as well as selling 300 to 400 pounds of lobster weekly in the summer and 25 to 30 pounds of live bait in the winter. Previous service techs couldn’t find the R-12 leak that periodically brought water temperatures up to 56°F from the recommended 36°F on the half-ton, 7,000-Btu system. The last service company suggested new components at a cost of over $1,000 or replacing the entire unit at more than $4,000, according to Eric Enos, the convenience store’s owner.

After charging the system with R-12 alternative, R-409a by Honeywell’s Genetron division, Berger couldn’t find the intermittent leak, either; it was most likely hidden in the evaporator coil. The low pressure side was still in a vacuum, which indicated internal moisture was causing sludge and soft particulate formation that blocked the capillary tubes. Berger applied one can of Dry-R™, a drying agent capable of removing up to 60 drops of moisture, thereby freeing up the partially blocked capillary tubes and returning the system to normal operating pressures and conditions. Instead of the conventional method of replacing the capillary tube(s), applying the drying agent eliminated the existing blockage and future particulate formations caused by moisture.

The leak was still indeterminable, however, even after inspection with his Inficon and Amprobe leak detectors. Berger applied one can of Super Seal ACR designed for smaller refrigeration systems under 1.5 tons. Since moisture elimination is critical to the sealing process success, the prior Dry-R application guarantees a moisture free system. The absence of moisture allows the sealant to do more work while ensuring the optimal life cycle and performance of the system. Both products use a patented vacuum-packed can instead of hydrocarbon refrigerant propellants that are known to reduce the system’s refrigerant purity and operating efficiencies.

“Berger HVAC saved us a lot of replacement costs, not to mention lost sales from downtime,” Enos said. “We call them for all of our repairs now.”

Countermen Kevin Blanchette and Derek Reposa of the Manchester, N.H., branch of wholesale distributor Bell/Simons introduced Berger to Super Seal as well as a myriad of other product trial samples it provides to all customers, according to branch manager, Stephen Ribecca. Along with samples, Bell/Simons “counter day” seminars are critical to the success techs have with new products. For example, manufacturer’s representative MarketAir Inc. and its New Hampshire territory sales rep, Jim DeSantis, routinely hold seminars on sealants and drying agents at wholesalers. Bell/Simons, which operates 32 HVACR distributorships in New Hampshire, Maine, Vermont, Connecticut, Rhode Island, New York, and Massachusetts, has carried the sealant for almost five years with no complaints, according to Ribecca. “Now it looks like the techs are beginning to buy a lot of drying agent because it eliminates the moisture factor,” he said.

Since the Bell/Simons introduction, Berger has successfully applied the drying agent and sealant combination to more than 12 systems ranging from small restaurant refrigerated reach-in appliances to salad bars, walk-in freezers, ice machines, and rooftop air conditioners.

Since commercial service is 80 percent of his business, saving one piece of equipment can lead to many other equipment repairs on the premises.

For example, Berger saved thousands of dollars in construction costs for the Saint Ann Rehabilitation and Nursing Center, Dover, N.H., when a can of Dry-R and Super Seal HVACR eliminated system moisture and sealed recessed linesets for a 24,000-Btu walk-in cooler, according to David Sanders, maintenance director. The 100-bed nursing home has many other types of refrigeration equipment that will be serviced by Berger in the future.

While some might consider Berger a nonconformist, nonconformity is not a negative when considering he’s moving with the pace of scientific advancements in HVACR repair to save customers time and money. Berger promises he’ll continue this listening and learning process in an attempt to grow his new business in a rapidly changing world.

For more information, visit www.bergerhvac.com.

Publication date: 08/30/2010