Exhaust Design Solutions
Proof · Selected

Delivered, documented,
and still running.

A selection of recent projects across Northern California. Every system here is in service today.

Service Area
Northern California
Factory Drawing Lead Time
2–4 Days
Expedited Services
Rush Production Available
Active Systems
820+
SF Embarcadero St. Project
Case Study · Commercial High-Rise

SF Embarcadero St. Project

Re-vented six AERCO BMK 5.0 condensing boilers from a penthouse sidewall to the roof, two common flues, two stand-mounted TDF draft fans, and EBC31 modulating controls. Ended the monthly fire-department calls triggered by steamy condensing exhaust at the penthouse windows.

Client
SF Embarcadero St. Project
Scope
Re-Design · Common Flues · Roof Fans · Controls
Delivered
San Francisco, CA (2022–23)
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Bowling Alley Kitchen: VaughanAir DuraDuct KEX Grease Duct
Case Study · Grease Duct

Bowling Alley Kitchen: VaughanAir DuraDuct KEX Grease Duct

Routing a 120′+ commercial kitchen grease duct to a fire-rated shaft using DuraDuct KEX 2-hr fire-rated, double-wall assembly with seesaw drainable low points, without losing 10 ft of ceiling to code-required slope.

Client
Bowling Alley Tenant Build-out
Scope
Product Spec · Coordination
Delivered
San Jose, CA
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SMDS Damper System: University Student Housing
Case Study · Student Housing

SMDS Damper System: University Student Housing

Three 2,000 MBTUH condensing boilers on a single 60′ common vent, held inside a 0.00″ to +0.20″ W.C. draft window across a 30:1 turndown using a Sealed Modulating Damper at each appliance.

Client
University Student Housing
Scope
Spec · SMDS · Controls
Delivered
Northern California
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East Bay Housing Authority
Case Study · Common Venting

East Bay Housing Authority

Common-venting two Cleaver-Brooks hot water boilers and two Cochran steam boilers through a single 16″ chimney inside an 18″ OD envelope, with back-to-back Enervex IPVB 500 inline draft fans for redundancy and discharge above the pool area.

Client
East Bay Housing Authority
Scope
Design · Common Chimney · Redundant Fans
Delivered
East Bay, CA
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San Francisco Historic Multifamily Chimney Liner
Case Study · Historic Multifamily

San Francisco Historic Multifamily Chimney Liner

Preventing acidic condensate from disintegrating a 120-foot masonry chimney serving a Peerless LC steam boiler, solved with an AL294C Category IV liner and a TDF250 inline draft fan.

Client
Multifamily Private Residence
Scope
Design · Liner · Draft Fan
Delivered
June 2016
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San Francisco High Rise
Case Study · Commercial High-Rise

San Francisco High Rise

Sleeving a 14-story steel boiler stack with a hybrid mechanical-draft fan and modulating damper system, installed piece-by-piece from a rooftop davit arm, with the original chimney left in place.

Client
14-Story Office Building, SF
Scope
Engineering · Liner · Rigging
Delivered
San Francisco, CA
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