New Construction | Install HVAC Systems | Mt. Shasta CA

Contractor's License# 803028

C-4 Boiler,

C-20 Heating, Ventilating and

Air Conditioining,

C-38 Refrigeration and

C-36 Plumbing.

Tel white small rrmm logo


Mechanical, Inc

new construction

Locally owned and operated

Who is Ray-Mac Mechanical Inc.?

Ray-Mac Mechanical Incorporated is the leader in the Heating, Ventilating, Refrigeration, Air conditioning and Sheet Metal Fabrication industry for the California North State. We provide a wide range of services for our commercial, residential and industrial clientele. At Ray-Mac we boast one of the most experienced and complete mechanical staffs in our geographical area. We have been recognized by Bryant Industries as meeting their strict Dealer Quality Standards.


Locally owned and operated, Ray-Mac Mechanical Incorporated was established in 1979 by John McDowell. Since its inception we have been dedicated to providing the highest quality materials and workmanship available. Our mission statement is simple:

"Service, Quality, Value, Support, Always"

  • Energy Compliance Documentation.

  • System design and installation.

  • Custom sheet metal design and fabrication.  

  • Commercial refrigeration.

  • kitchen services for projects of all sizes.

  • 24 hour 7 day emergency service.  

  • Preventive maintenance contracts.  

  • Engineered systems.

Install HVAC system today

Hour emergency service

We repair all makes and models of equipment.

Save energy with our high efficiency heating and cooling systems

Call us to install all HVAC systems into your newly constructed building

  • Commercial Refrigeration

  • Boilers  

  • Geothermal Systems  

  • Radiant Floor Heating

  • Heating

  • Chillers

  • Heat Pumps

  • Ice Machines

  • Air Conditioning

  • Boiler Piping  

  • Digital Controls  

  • Walk-in boxes  

  • Planned Maintenance  

  • Custom Copper Fabrication  

  • Sheet Metal Fabrication

  • Commercial Kitchens


We are proud to offer the following expertise for our commercial, industrial and residential customers:

Our California Specialty Subcontractor Licenses in Boiler Hot Water Heating and Steam Fitting; Warm Air Heating, Ventilating, Air Conditioning and Refrigeration allow us to provide a diverse range of services including:

Equipment We Sell:

thermo_pride fujitsu bryant buderus first_co rinnai kysor_warren water_furnace manitowoc