Twenty-five mechanical service lines, all self-performed
HVAC equipment and central plants, building automation and balancing, welded and process piping, critical facility systems, and the service programs that keep them running. One contractor, one warranty.
HVAC Systems & Equipment
Central plants, air handling and terminal equipment — engineered, replaced and serviced in occupied buildings.
Commercial Chiller Service & Repair
Diagnostics, teardown and overhaul on centrifugal, screw, scroll and absorption machines — including the ones nobody else will touch.
- · Emergency diagnostics and repair, 24/7, on centrifug…
- · Compressor, gear set, motor and starter replacement …
- · Eddy current tube testing, mechanical tube cleaning,…
Central Chiller Plant Replacement & Retrofit
Turnkey central plant replacement — selection, rigging, headers, pumps, towers, VFDs and controls, phased around an occupied building.
- · Plant assessment, load analysis, life-cycle cost and…
- · Phased demolition and replacement in occupied hospit…
- · Heavy rigging, crane and roof-hatch coordination, kn…
Commercial & Institutional Boiler Installation and Repair
Firetube, watertube and condensing boilers — installation, retubing, burner service and combustion tuning to code.
- · Firetube, watertube, cast-iron sectional and condens…
- · Boiler retubing, tube replacement, refractory and ga…
- · Burner overhaul, low-NOx burner retrofits and combus…
Cooling Tower Service, Repair & Replacement
Rebuilds, fill and drift eliminator replacement, gearbox and drive work, basin repair, and full tower replacements with rigging.
- · Tower inspection, performance testing and capacity t…
- · Fill, drift eliminator, louver and casing replacemen…
- · Gearbox, drive shaft, coupling, sheave, belt, motor …
Air Handling Unit Replacement & Rebuild
Custom and packaged AHU replacements, fan array retrofits, coil and damper renewal, filtration upgrades and full controls integration.
- · Packaged and custom AHU replacement, indoor and roof…
- · Knock-down and field-reassembled units for restricte…
- · Chilled water, hot water, steam and DX coil replacem…
Commercial Rooftop Unit Installation & Service
Packaged RTU replacement and service — curb adapters, crane sets, economizers, Title 24 compliance and multi-site rollouts.
- · RTU condition surveys with prioritized replacement p…
- · Packaged DX, gas/electric, heat pump and VAV rooftop…
- · Curb adapter fabrication, crane rigging and roofing …
VAV Boxes & Terminal Unit Replacement
VAV and fan-powered box replacement, reheat coil and controller retrofits, and rebalancing that fixes zone complaints for good.
- · VAV, fan-powered, dual-duct, series/parallel and ind…
- · Hot water and electric reheat coil replacement, valv…
- · Pneumatic-to-DDC terminal control conversions
Indoor Air Quality & Ventilation Upgrades
Filtration, outside air and exhaust upgrades that meet ASHRAE 170 and 62.1 — verified with airflow and pressure documentation.
- · Ventilation assessments: OA/EA measurement, ACH veri…
- · Filtration upgrades with fan, static pressure and ho…
- · Outside air, economizer, damper and DOAS scope
Controls, Balancing & Energy
Building automation, DDC programming, air and water balancing, and retro-commissioning that makes existing plants behave.
Building Automation System (BAS) Retrofit
Replace obsolete, pneumatic or orphaned control systems with open BACnet DDC — new front end, graphics, trending and alarms.
- · Existing-system audit, point list development and re…
- · Open BACnet/IP and MS/TP architecture with no propri…
- · Supervisory controllers, field controllers and netwo…
DDC Controls Programming & Systems Integration
Sequence development, programming, graphics and integration — including plants and equipment other vendors left stranded.
- · Sequence of operation development, review and rewrit…
- · Field and supervisory controller programming and com…
- · Chiller, boiler and pump plant staging and optimizat…
Retro-Commissioning & Energy Management
Find the waste, fix it, and prove it — functional testing, sequence tuning, measurement and utility incentive documentation.
- · Utility bill and BAS trend analysis, load profiling …
- · System walkthroughs and functional performance testi…
- · Deficiency logs with cost, savings and payback ranki…
Test, Adjust & Balance (TAB)
Air and water balancing with documented readings — including the pressure relationships hospitals and labs have to prove.
- · Air balancing: supply, return, exhaust, outside air,…
- · Hydronic balancing: chilled, condenser, heating hot …
- · Fan and pump performance verification, curve plottin…
Piping, Steam & Fabrication
Welded and process piping, steam and condensate, medical gas, hydronics and in-house sheet metal.
Steam Systems & Steam Trap Surveys
Trap surveys, PRV stations, separators and condensate systems — steam expertise most HVAC contractors no longer have.
- · Full steam trap surveys with tagging, testing, loss …
- · Pressure reducing valve station rebuild and replacem…
- · Safety and relief valve replacement, testing and cer…
Steam & Condensate Piping Installation
New and replacement steam mains, returns and PRV stations — welded, expansion-compensated and properly supported.
- · Welded carbon steel steam distribution mains and bra…
- · Expansion loops, expansion joints, anchors, guides a…
- · PRV station fabrication with separators, strainers a…
Process & Welded Piping Fabrication
Shop and field fabrication in carbon steel, stainless and copper — process, utility and specialty gas systems, documented and tested.
- · Carbon steel, stainless steel, copper, and specialty…
- · Shop fabrication of spools, headers, skids and pump/…
- · GTAW, SMAW and orbital welding for sanitary and high…
Medical Gas Piping Installation & Certification Support
Oxygen, medical air, vacuum, nitrous and nitrogen systems installed by ASSE 6010 brazers to NFPA 99, with verification support.
- · Oxygen, medical air, vacuum, nitrous oxide, nitrogen…
- · ASSE 6010 certified brazing with documented installe…
- · Source equipment: manifolds, medical air compressors…
Hydronic Piping, Pumps & Plant Renewal
Chilled, hot and condenser water piping, pump and header replacement, variable-flow conversions and valve packages.
- · Welded steel and grooved piping replacement, header …
- · Base-mounted, inline, vertical turbine and end-sucti…
- · Pump rebuilds: seals, bearings, couplings, impeller …
Sheet Metal & Duct Fabrication
SMACNA-standard duct, plenums, hoods and welded lab exhaust — fabricated to the job and installed by our own crews.
- · Rectangular, round, spiral and flat-oval duct in gal…
- · Welded stainless and coated duct for laboratory, fum…
- · Plenums, casings, mixing boxes, transitions and cust…
Critical Facility Systems
Mechanical systems where pressure relationships, air changes and uptime are non-negotiable.
Hospital & Healthcare HVAC Contractor
Mechanical work inside operating acute-care facilities — pressure relationships, air changes and infection-control phasing that survive a survey.
- · AHU, chiller, boiler and steam equipment replacement…
- · OR, isolation (AII/PE), sterile processing, pharmacy…
- · Pressure relationship verification, room differentia…
Laboratory & Cleanroom HVAC for Life-Science Facilities
Fume hood exhaust, 100% outside air systems, pressure cascades and ISO-classified cleanrooms for biotech, GMP and vivarium spaces.
- · Fume hood, biosafety cabinet and manifolded lab exha…
- · 100% outside air make-up units with energy recovery,…
- · ISO Class 5–8 cleanroom HVAC, HEPA ceiling systems a…
Data Center & Critical Cooling Systems
CRAC/CRAH and chilled water cooling for live IT rooms — redundancy, containment and cutovers planned so the load never sees a gap.
- · CRAC/CRAH replacement, addition and relocation in li…
- · Chilled water plant work with N+1 pumping, redundant…
- · In-row, rear-door heat exchanger and high-density ra…
Service Programs & Project Delivery
How the work gets bought and kept running: maintenance agreements, emergency response, design-build and hard bid.
Preventive Maintenance Agreements for Commercial Mechanical Systems
Written, asset-based PM programs for chillers, boilers, towers, AHUs and controls — with real task lists and real reporting.
- · Asset inventory with nameplate data, age, condition …
- · Written task lists and intervals per asset class — n…
- · Chiller service: oil and refrigerant analysis, eddy …
24/7 Emergency Mechanical & HVAC Service
Round-the-clock response for chiller and boiler failures, steam and pipe breaks, and critical cooling loss — with temporary equipment options.
- · 24/7/365 dispatch with technicians on call, not an a…
- · Chiller, boiler, tower, AHU and pump failure diagnos…
- · Steam leaks, condensate failures, pipe breaks and em…
Design-Build Mechanical Contracting
Single-source delivery — engineering, budget, permit and install — with cost certainty established before drawings are finished.
- · Programming, load calculations, system selection and…
- · Early budgeting with progressive estimates as design…
- · Equipment selection with first-cost, energy and life…
Plan & Spec / Hard Bid Mechanical Contracting
Bid-build and public works mechanical scope with the bonding, prevailing wage compliance and submittal discipline those jobs demand.
- · Complete plan and spec mechanical bids: HVAC, piping…
- · Public works bidding for agencies, districts and fed…
- · Bonding capacity, insurance and prequalification pac…
Not sure which of those you need?
Most owners call us with a symptom, not a scope — a hot floor, a chiller that trips, a survey finding, a utility bill going the wrong direction. Describe the symptom and we’ll tell you what the work actually is.