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HVAC Retrofit Engineering in Arvada, CO

Arvada is a maturing Denver suburb undergoing significant urban infill and transit-oriented redevelopment along the Gold Line light rail corridor, with mixed-use and commercial projects driving engineering demand.

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49 states · 10+ PEs · Same-day quotes on qualifying scopes · Zero excuses

What we engineer

Heat-pump and VRF/VRV conversions replacing gas and aging electric systems; dedicated outdoor air systems (DOAS) with energy recovery for humidity control; chiller and boiler plant retrofits; pneumatic-to-DDC controls upgrades; and refrigerant transitions off high-GWP HFCs per the AIM Act phasedown — full mechanical design with load calculations per ACCA Manual N / ASHRAE, ventilation per ASHRAE 62.1, and energy compliance per ASHRAE 90.1 and IECC.

Compliance & incentive stacking

NYC Local Law 97, Boston BERDO, Denver Energize Denver, Washington's Clean Buildings Performance Standard, Maryland BEPS, St. Louis BEPS — we engineer the HVAC retrofits that hit building performance standard targets, and we stack utility rebates (ComEd, Xcel, Mass Save, NYS Clean Heat, Energy Trust of Oregon, Efficiency Maine, Focus on Energy) to cut net project cost.

Backed by licensed PEs

All HVAC retrofit engineering is backed by Apex Grid Engineering: 10+ PEs licensed across 49 states, 20+ engineers, 15+ years of plan sets that pass plan check.

Project types

  • Commercial office & retail
  • Healthcare & medical facilities
  • Institutional & civic

Everything else your project needs

MEP Engineering in Arvada

Mechanical, electrical & plumbing design — permit-ready drawings, best price.

Structural Engineering in Arvada

Structural design, analysis & PE stamping — permit-ready drawings, best price.

Civil Engineering in Arvada

Site civil & land development — permit-ready drawings, best price.

Electrical Engineering in Arvada

Power distribution, panels & lighting design — permit-ready drawings, best price.

Plumbing Engineering in Arvada

Water, sewer, gas & fixture design — permit-ready drawings, best price.

HVAC Engineering in Arvada

Heating, cooling, ventilation & ductwork — permit-ready drawings, best price.

PE Stamping in Arvada

Licensed PE stamps on your plans — fast turnaround, best price.

Structural Stamping in Arvada

Licensed PE stamps on structural plans & calculations — fast turnaround, best price.

MEP Stamping in Arvada

Licensed PE stamps on MEP plan sets — fast turnaround, best price.

Civil Stamping in Arvada

Licensed PE stamps on civil & site plans — fast turnaround, best price.

Fire Protection Engineering in Arvada

Fire sprinkler, alarm & suppression design — permit-ready drawings, best price.

Plan Check Corrections in Arvada

Plan check comments answered fast — resubmittal-ready corrections, best price.

Energy Modeling & Compliance in Arvada

Title 24, COMcheck & ASHRAE 90.1 compliance — pass plan check, best price.

Tenant Improvement Engineering in Arvada

TI engineering for office, retail & restaurant buildouts — permit-ready, best price.

Low Voltage Engineering in Arvada

Fire alarm, data, security & AV design — permit-ready drawings, best price.

Seismic Retrofit Engineering in Arvada

Earthquake retrofit design & PE-stamped plans — best price.

Solar Engineering in Arvada

PV structural analysis, NEC 690 electrical design & interconnection — permit-ready drawings, best price.

Fire Alarm Engineering in Arvada

NFPA 72 fire alarm design, voice evacuation & mass notification — permit-ready drawings, best price.

Security System Engineering in Arvada

Access control, video surveillance & intrusion detection design — permit-ready drawings, best price.

Building Automation Engineering in Arvada

BACnet controls, BMS design & smart building integration — permit-ready drawings, best price.

Elevator Engineering in Arvada

ASME A17.1 elevator design, modernization & code compliance — permit-ready drawings, best price.

Industrial Electrical Engineering in Arvada

NEC Article 430 industrial power design, arc flash & hazardous locations — permit-ready drawings, best price.

Plumbing Design Engineering in Arvada

IPC/UPC plumbing design, medical gas & backflow engineering — permit-ready drawings, best price.

Electrical Panel Upgrade Engineering in Arvada

Panel upgrades, load calculations & utility coordination — permit-ready drawings, best price.

Emergency Power Engineering in Arvada

Generators, NFPA 110 systems & life-safety power design — permit-ready drawings, best price.

Renewable Energy Engineering in Arvada

Wind, geothermal & hybrid renewable engineering — feasibility, PE-stamped design & interconnection, best price.

Energy Audit Engineering in Arvada

ASHRAE Level 1/2/3 energy audits, benchmarking & retro-commissioning — find the waste, prove the savings, best price.

EV Charging Engineering in Arvada

EV charging station design — NEC 625, load calculations & service upgrades, permit-ready drawings, best price.

Water Treatment Engineering in Arvada

Filtration, disinfection, reverse osmosis & backflow design — permit-ready water engineering, best price.

Battery Storage Engineering in Arvada

Battery storage design per NEC 706 & NFPA 855 — permit-ready drawings, best price.

Commissioning Engineering in Arvada

Building commissioning & functional testing — systems verified to work as designed, best price.

Data Center Engineering in Arvada

Mission-critical MEP for data centers — Tier III/IV electrical, cooling & fire protection, best price.

Generator Engineering in Arvada

Standby generator sizing, ATS & emergency power design — permit-ready drawings, best price.

Lighting Design Engineering in Arvada

Photometric lighting design, controls & code compliance — permit-ready drawings, best price.

Medical Facility Engineering in Arvada

Medical gas, exam-room HVAC & healthcare electrical design — permit-ready drawings, best price.

Commercial Kitchen Engineering in Arvada

Commercial kitchen hoods, grease exhaust, gas & interceptors — permit-ready drawings, best price.

Pool Engineering in Arvada

Pool structural, systems & permits — engineered for plan check approval.

ADU Design in Arvada

Accessory dwelling unit plans — from concept to permit.

Engineering Cost Guide in Arvada

Straight answers on what engineering really costs.