Matt Donnici

Russ's son Matt Donnici, right, vice president of Mechanical Air Service, Inc., served as ...

Key among those supporters are family: Danielle Larson, vice-president of finance, is his daughter; Matt Donnici, vice president of construction, is his son; and Scott Larson, vice president of service, is his son-in-law.
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,It,s such a great blessing to have family members on your team who share the same goals and commitment to our clients,, Donnici says. ,Matt and Scott were the real leaders on this project, and set the bar very high for our other employees who worked with them.,
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In the case of each of those referrals, Matt and I were able to solve the problems and help avert a lawsuit by the homeowner to the general contractor.,
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Matt Donnici, left, Russ Donnici, and Scott Larson have earned another QHCA award.
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,Matt and Scott provided project management and job supervision as well as start-up and commissioning services.
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Because of the complexity of the systems and the installation and integration of the radiant heat system, it was truly a group effort,, Donnici says.

Russ's son Matt Donnici, right, vice president of Mechanical Air Service, Inc., served as the controls engineer.
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His team consisted of himself, Matt Donnici, vice president of construction, and Scott Larson, vice president of service.
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"Once the owner's consulting group realized that IAD was our sister company, they decided to retain Mechanical Air Service to do the mechanical engineering, IAQ specifications, and produce a set of engineered drawings," says Donnici.

IAQ TO THE MAXMechanical Air Service's filtration system design included high-efficiency pleated filters, 85% rated bag filters, and 99% rated HEPA final filters, all of the highest filtering strength.

"These are not what our industry calls 'home' HEPA filters," says Matt Donnici.
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'The Purafil VOC filters have proven to be very effective at reducing VOC levels in the home prior to, and after turn over of the home,' says Donnici.
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"This allowed us to stage the cooling based on the actual need in the home," Donnici explains.

FIVE STAGES OF BOILER CAPACITYThe home had an existing Raypak H-330 boiler with a capacity of 274,000 Btu output.Donnici added two, 2-stage Raypak H3-242 models, each with a capacity of 204,000 Btu output, to design an "on-demand" style of heat.

"For energy conservation measures, we have five stages of boiler capacity, so the system can bring on only as much heating capacity as needed," he explains.

"The two-speed, high-efficiency air conditioningunits and the five steps of boiler control have contributed to significant energy savings."

Donnici programmed an outdoor temperature reset schedule into the system, to modulate the hot water loop temperature based on outside air temperature.

A Bell & Gossett P4 80 gpm main pump uses a low-speed motor for low noise, and is mounted on a concrete seismic isolation pad.Donnici had to make some modifications there as well, to be able to hold two 100 gallon water heaters above it.Each hot water reheat coil is equipped with fullymodulating, two-or three-way zone valves by Johnson Controls, to provide only as much heat is necessary.

"This aids in preventing wide temperature swings from the thermostat set point," says Donnici.

The large master bedroom suite and private office uses a Uponor radiant floor heating system.

"We utilized an Uponor 101 panel to control the system and modulate the water temperature based on an outdoor reset schedule to save energy," says Donnici."The radiant system acts as first stage heat for the three zones comprised of master bedroom, master bath, and private office."

SPECIAL CONTROL NEEDSThe home's mechanical system had special control needs, for which Donnici selected a Johnson Controls Metasys system with Internet capabilities.
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"Since the structure of the home was not going to change, and the original windows and doors were to remain, we needed to know actual leakage rates before any interior demolition or changes were made," says Matt Donnici.

To pressurize the home, Donnici used an extended capacity, two-fan blower door test station, which identified the total leakage of the structure and many of its leak points.

"The home had a leakage rate of more than 7500 cfm," reports Donnici.

Matt Donnici, VP Construction has been with the company since 1996.He is responsible for all construction related activities of the company.Matt has extensive experience in mechanical systems, radiant heating and geothermal systems.

Says Matt Donnici, Russ' son and vice president of construction, "Because of the reality of system operation, we knew that a building performing to the engineered values doesn't always provide the comfort levels the client wants.
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Matt Donnici, vp construction/controls foreman, Mechanical Air Service, Inc.

Matt Donnici @ Mechanical Air Service, Inc.