Preferred Energy Group’s first company, Violette Mechanical is a full service light commercial installation company covering all aspects of HVAC from 100+ unit apartment / condominium type buildings to simple, single story rooftop unit replacements. From strip malls to individual vanilla box build-outs. We also specialize in “Mill Building” conversions turning them into residential dwellings and mixed use commercial spaces using individual systems with separate utilities or large, high efficient gas fired modulating boiler systems and water source chillers. We are a Mitsubishi “Diamond Contractor” specializing in VRF technology and City-Multi high tech installations.

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We offer:

  • All sizes of roof mounted packaged HVAC systems for new construction or replacement.
  • Commercial boiler replacements specializing in modular systems to save money.
  • Custom fabricated duct systems with full plasma sheet metal shop and metal forming.
  • Spiral duct installation using only SMACNA approved sealed systems to pass new code requirements.
  • Economizer system retrofits to increase cooling cost with low installation cost.
  • Zoning systems to solve older system problems.
  • Radiant reflective tube low & high intensity systems with large gas company rebates.
  • Standard unit heater replacement for warehouses
  • 24 hour emergency service
  • Work with utility companies to maximize potential rebates for upgrading efficiency.