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HVAC Retrofit Engineering in Olive Branch, MS

Olive Branch is a Mississippi commercial and institutional construction market with healthcare, government, and commercial development driving steady project 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 Olive Branch

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

Structural Engineering in Olive Branch

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

Civil Engineering in Olive Branch

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

Electrical Engineering in Olive Branch

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

Plumbing Engineering in Olive Branch

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

HVAC Engineering in Olive Branch

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

PE Stamping in Olive Branch

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

Structural Stamping in Olive Branch

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

MEP Stamping in Olive Branch

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

Civil Stamping in Olive Branch

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

Fire Protection Engineering in Olive Branch

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

Plan Check Corrections in Olive Branch

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

Energy Modeling & Compliance in Olive Branch

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

Tenant Improvement Engineering in Olive Branch

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

Low Voltage Engineering in Olive Branch

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

Seismic Retrofit Engineering in Olive Branch

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

Solar Engineering in Olive Branch

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

Fire Alarm Engineering in Olive Branch

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

Security System Engineering in Olive Branch

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

Building Automation Engineering in Olive Branch

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

Elevator Engineering in Olive Branch

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

Industrial Electrical Engineering in Olive Branch

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

Plumbing Design Engineering in Olive Branch

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

Electrical Panel Upgrade Engineering in Olive Branch

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

Emergency Power Engineering in Olive Branch

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

Renewable Energy Engineering in Olive Branch

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

Energy Audit Engineering in Olive Branch

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

EV Charging Engineering in Olive Branch

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

Water Treatment Engineering in Olive Branch

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

Battery Storage Engineering in Olive Branch

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

Commissioning Engineering in Olive Branch

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

Data Center Engineering in Olive Branch

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

Generator Engineering in Olive Branch

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

Lighting Design Engineering in Olive Branch

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

Medical Facility Engineering in Olive Branch

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

Commercial Kitchen Engineering in Olive Branch

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

Pool Engineering in Olive Branch

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

ADU Design in Olive Branch

Accessory dwelling unit plans — from concept to permit.

Engineering Cost Guide in Olive Branch

Straight answers on what engineering really costs.

HVAC Retrofit Engineering nearby

Biloxi · Brandon · Clinton · Columbus · Greenville · Gulfport · Hattiesburg · Horn Lake · Jackson · Madison · Meridian · Pascagoula