New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor License

The Heat, Cooling, and Process Pipe (MM-4) Contractor License allows you to do the following work:

  • Install, repair, alter, service, and maintain:
    • Hydronic heating
    • Cooling and process piping
    • Piping and appurtenances for steam and hot water systems of any temperature or pressure range
    • Chilled water systems
    • Condensing water systems and other process piping systems
    • Install high pressure and process piping solar thermal energy systems of any temperature or pressure range conveying gas or fluids other than potable water
    • Air handling equipment
    • Pressure vessels
    • Heat exchangers
    • Boilers
    • Refrigeration water chillers
    • Cooling towers
    • Fuel oil tanks and fuel oil piping
    • Electric controls and control wiring not to exceed 24 volts
    • Water-based fire protection sprinkler systems
    • Dry chemical fire protection systems

How to Get the Heat, Cooling, and Process Pipe (MM-4) Contractor License in New Mexico?

  1. Satisfy the experience requirement:
    • At least four years of documented Heat, Cooling, and Process Pipe (MM-4) Contractor experience
  2. Take and pass the following exams:
    • New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor Trade Exam
    • New Mexico Business and Law Examination (PSI©)
  3. Submit a complete notarized package with the following documents and send it to PSI©:
    PSI©
    877-663-9267
    2820 Broadbent Pkwy NE, Suite E&F
    Albuquerque, NM 87106

    Public.psiexams.com
  4. Once the application packet has been approved and eligibility cleared, the license will be issued via USPS to the home address provided. (Licenses are effective only for three years, and a Contractor License Renewal Form must be submitted prior to expiration during each cycle).

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor License Exam Prep Courses

  • Login credentials emailed upon enrollment

    Unlimited access (no time limits)

    Lecture videos

    Practice questions

    Key concepts

    Step-by-step solutions to math problems

    $525.00
    $525.00
  • Login credentials emailed upon enrollment

    Unlimited access (no time limits)

    Lecture videos

    Practice questions

    Key concepts

    Step-by-step solutions to math problems

    $340.00
    $340.00

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor License Exams

Below is all the information related to the trade and Business and Law exams, including the official reference lists.

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 90
  • Types of Questions: Multiple choice
  • Time Allowed: 235 Minutes
  • Minimum Passing Score: 75% (68 points)
  • Subjects Involved (No. of Questions):
    • General Knowledge (29)
    • Steam and Hot Water Boiler Systems (7)
    • Process Piping and Systems (28)
    • Fire Suppression Systems (6)
    • Controls and Components (15)
    • Combustion Air and Venting (5)
  • PSI© Heat, Cooling, and Process Pipe (MM-4) Official Content Outline

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor Business and Law Examination

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 50
  • Types of Questions: Multiple choice
  • Time Allowed: 130 Minutes
  • Minimum Passing Score: 75% (38 points)
  • Subjects Involved (No. of Questions):
    • Licensing Requirements (8)
    • Estimating and Bidding (5)
    • Business Organization and Financial Management (8)
    • Tax Laws (5)
    • Labor Laws (4)
    • Project Management and Lien Law (5)
    • Contracts (8)
    • Risk Management (4)
    • Environmental and Safety (3)
  • PSI© Business & Law Official Content Outline

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor Book Set

This set of books includes all required references for the Heat, Cooling, and Process Pipe (MM-4) and business exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

  • NEW MEXICO HEAT, COOLING, AND PROCESS PIPE (MM-4) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $1,003.02
  • NEW MEXICO HEAT, COOLING, AND PROCESS PIPE (MM-4) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $1,103.02

New Mexico Heat, Cooling, and Process Pipe (MM-4) Contractor Exam Books

Books Allowed in Testing

Books Not Allowed in Testing

New Mexico Heat, Cooling, and Process Pipe (MM-4) Business and Law Examination Books

Books Allowed in Testing