• Trenchless Sewer

    Does your home sewer system have tree roots or plug problems causing backups in your home? We correct these problems with trenchless sewer technology, saving your lawn and landscaping from trenching.

  • Geothermal Energy Systems

    Did you know the cleanest and greenest way to heat and cool your home has the lowest operating costs? Utilizing geothermal energy, straight from the earth, can save you money. So stop using those fossil fuels and call Pro Tech today!

  • Plumbing Service, Repair, & Installation

    We are a Plumbing and Mechanical Contractor in Billings Montana. We can install all types of Water Heaters, Boilers, Piping and more. We handle all plumbing projects from a simple kitchen faucet to a multi-story building.

  • Carrier Products Are Energy Efficient

    Efficiency ratings are like gas mileage — the higher the rating, the more efficient the product. AFUE (Annual Fuel Utilization Efficiency) measures heating fuel usage. Carrier’s Infinity 96 gas furnace receives up to 96.6% AFUE which means it’s extremely energy efficient, saving you money.

  • Infinity™ System

    The Infinity System utilizes the best heating and air cooling equipment providing high-efficiency operation and a comfortable environment. Call 406-245-1221 for a free consultation to find out which heating and cooling systems meet your specific needs.


Heating, Cooling, Plumbing,& Excavation Solutions | (406)245-1221 | Billings, Montana


Solutions For:
  • Heating and Air Conditioning
  • Plumbing and Water Heaters
  • Boilers and Piping
  • Geothermal Systems and Heat Pumps
  • Septic Tanks, Systems and Drain Fields
  • Excavating, Trenching and Cisterns
  • Controls
  • Indoor Air Quality and Filtration
  • Refrigeration
  • Ventilation

ProTECH Mechanical is your one-stop source for deciding which equipment best meets your specific needs. Our goal is to exceed your expectations in providing the highest-comfort heating and cooling systems, along with technical, mechanical, and plumbing services. ProTECH pros turn complex heating and air conditioning options into simple solutions. For a personal consultation, please call 406-245-1221 to discuss your specific needs, whether you are a contractor or homeowner.