Air Water Systems Design Engineering — Andover, MA

The same engineer the large firms billed you for. Without the org chart.

HVAC, plumbing, and fire protection design — PE-stamped, insured to $2M, four decades of built work. Large-firm engineering at an independent's cost structure.

Book a discovery call TEL [phone pending]
RG-1 (TYP FOR 9) 14"ø UP THRU ROOF W/ GOOSENECK RTU — SEE SCHEDULE 30x16 — 3,000 CFM SUPPLY 18x14 18x12 20"ø SCALE: 1/4" = 1'-0" SHEET H-1.0 · HVAC PLAN (REPRESENTATIVE)
Drawn byMSD
Checked byMSD — same desk
In practiceSince 1980
Liability coverage$2M
CredentialLicensed PE
SHEET 01Scope of services

Three disciplines. One stamp.

Prime consultant or sub-consultant on private and public work — new construction, renovation, evaluations, value engineering, commissioning, feasibility studies, and construction administration.

H-1HVAC

HVAC Design

Load calculations, equipment selection, duct and hydronic layout, controls, energy code compliance.

  • Specialty ventilation — vehicle exhaust, ice rinks, kitchens, laundries
  • Renovations and tenant fit-outs
  • Balanced to within 10% of design criteria — and tested
P-1Plumbing

Plumbing Design

Domestic water, sanitary, storm, and gas — with built experience in water conservation design.

  • Rainwater harvesting and wastewater recycling
  • Medical and dental specialty systems
  • Commercial kitchen and laundry systems
FP-1Fire Prot.

Fire Protection

Sprinkler and suppression systems to NFPA standards — designed to pass review the first time.

  • Offices, assembly, garages, religious, government buildings
  • Coordinated with HVAC and plumbing from day one
G-1General

Advisory & Construction Phase

Senior judgment before, during, and after design.

  • Evaluations and feasibility studies
  • Value engineering and commissioning
  • Construction administration and turnkey delivery
SHEET 02Selected projects

Built work. Systems still running.

Diversified Automotive truck garage
LAYER: HVAC — SPENCER, MA

Diversified Automotive

Exhaust extraction that lets trucks stay running indoors — faster loading, clean air.

Cass Rink ice arena
LAYER: HVAC — ROXBURY, MA

Cass Rink

Ice-quality humidity control and spectator comfort in one of HVAC's hardest building types.

St. Francis Church
LAYER: HVAC+PLB+FP — DRACUT, MA

St. Francis Church

All three disciplines, one engineer — full mechanical scope for a large-volume sanctuary.

BiCon dentist offices
LAYER: HVAC+PLB — BOSTON, MA

BiCon Dentist Offices

Clinical fit-out with the coordinated HVAC and specialty plumbing dental equipment demands.

Houghton's Pond Recreation Center
LAYER: HVAC+PLB — MILTON, MA

Houghton's Pond Rec Center

Central facility for a 7,000-acre public recreation area — built for high seasonal traffic.

Framingham Civic Center
LAYER: CIVIC — FRAMINGHAM, MA

Framingham Civic Center

Mechanical design for a civic landmark serving the town of Framingham.

+ Saint John Evangelist Church · Veterans Affairs Building · 2 Ovens Restaurant — full drawing list on request

SHEET 03Heritage

The same rigor that renovated parliaments.

1990s renovation work on landmark European buildings, performed as design engineer — the systems designed then are still in service today. [Role + firm per project to be confirmed with Marcel]

European Parliament
EUROPEAN PARLIAMENT — HVAC RENOVATION, EARLY 1990s
Romanian Parliament
ROMANIAN PARLIAMENT — HVAC / PLB / FP RENOVATIONS
Belgian Rail
BELGIAN RAIL — HVAC RENOVATION, SYSTEMS STILL IN PLACE
SHEET 04The engineer

Marcel Dumitrescu, PE

DETAIL 1/H4
PHOTO OF M. DUMITRESCU
— PENDING —
SEE SPEC: WINDOW LIGHT,
AT THE DRAFTING DESK

Marcel spent his career inside large engineering firms [firm names — from LinkedIn], designing mechanical systems for buildings ranging from dentist offices to the European Parliament. He founded AWSDE to offer the same engineering without the large-firm cost structure.

Every AWSDE drawing set says the same thing in the title block: Drawn by: MSD. Checked by: MSD. The engineer who runs the calculations is the engineer who draws the systems, stamps the sheets, and answers the phone.

LicenseProfessional Engineer [MA — confirming]
Insurance$2M professional liability
PracticeEurope + US, since 1980
RolesPrime consultant · Sub-consultant · Turnkey design
SHEET 05Why independent

You're not paying for the org chart.

The large firm

  • Brand premium built into every invoice
  • Junior staff learning on your project
  • Handoffs between departments
  • Business development between you and answers

AWSDE

  • Same PE credentials, same insurance coverage
  • The engineer who stamps did the calculations
  • One person accountable, first sketch to final inspection
  • Direct line to the engineer — no layers
SHEET 06Contact

Start with a conversation.

Describe your project. You'll hear back from the engineer directly — typically within one business day.

TEL [phone pending]

EMAIL [professional email pending]

OFFICE Andover, MA