top of page
GHP Tattered Flag Red.JPG
"We have built our reputation on providing professional work by well-trained staff, to handle a wide variety of jobs to suit our clients' needs."


Mechanical Contractor

Over the past 40 years General Hydronics has provided mechanical services to the top contractors and builders in the area. We have built our reputation on providing professional work with well-trained staff to handle various jobs including installing and 

maintaning heating systems and boilers; cooling systems, chillers, and compressed air systems. 

Commercial Plumbing

GHP provides complete professional commercial plumbing services for your next construction project. Our licensed staff can provide the following services: installing and repairing water and sewer lines, including main lines and branch lines. We offer complete new construction plumbing and are certified in back flow prevention and medical gas installation and certification and more.

Residential Plumbing

GHP provides a wide variety of professional residential plumbing services for your next new construction project. We provide top-notch residential services including, installation and repairing of water and sewer lines. Our sewer camera allows us to inspect your lines from the inside and capture still or video images. 

  • Heating/Cooling

  • Boilers

  • Chillers

  • Fuel Systems

  • Compressed Air Systems

  • Accu-Freeze

    • Pipe Freeze Equipment for Outages/ Tie-ins​

  • Back Flow Certification

  • Medical Gas Certification/ Installation

  • Repair and Install sewer lines

  • Install and repair water lines

  • Branch Lines

  • Accu-Freeze Pipe Freeze Equipment for Outages/ Tie-ins

  • New Construction Plumbing

  • Sewer Camera

  • Repair and Install Sewer lines

  • Repair and Install Water lines

  • Branch Lines


General Hydronics Plumbing, LLC. holds the following licenses:

  • New Mexico General Building Contractor License - GB-98

  • MM-98 Combined - Mechanical (New Mexico)

  • GS-8 Earth moving, Excavating & Ditching

  • GF-9 Utility Lines (sewage, natural gas, water, & underground telephone cables)

  • LP05 & LP06 - LP Gas

  • JPG - Journeyman Plumber-Gas

  • JMG - Journeyman Medical Gas



Commercial Medical/Hospitals
Commercial Schools
  • Facebook Social Icon
Follow us on Facebook for new projects!

Polson & Grady, LTD.

General Hydronics Plumbing, LLC., Southwest Air Systems, Inc., Zuni Electric, Inc., 

General Hydronics Concrete, LLC., and General Hydronics Utilities, LLC.

Currently, these five individual companies continue to combine our efforts together under the Polson & Grady, Ltd. umbrella to provide complete Mechanical, Electrical, Plumbing, Underground Utility, and Concrete services. The combined work force available to Polson & Grady, Ltd. exceeds 100+ employees.

Through the years, Polson & Grady, Ltd. has completed many projects for a wide range of owners. We have completed projects for various branches of the US Military, Government Municipalities, Public School Systems, churches, and for a variety of Commercial Business owners. P&G also offers Design/Build services. To learn more about P & G Ltd visit:

GHP Tattered Flag Bright Red.png
ZE Logo.jpg
southwest air logo.jpg
Polson and Grady

General Hydronics Plumbing was established in 1984 and is a third-generation business that provides professional services in Mechanical Contracting, Commercial and Residential Plumbing.

Our family owned business serves communities in Southern New Mexico including: Alamogordo, Holloman Air Force Base, Tularosa, Cloudcroft,  Ruidoso and the surrounding areas.

Our major projects often take us beyond Otero County. Our professional, licensed and insured staff can tackle any project.


  • Facebook Social Icon

For any inquiries, questions or commendations, please call: 575-437-6512 x122 or fill out the following form

Thanks for submitting!

Office Location

1001 Zuni Dr. Ste. F

Alamogordo, NM 88310

Tel: 575-437-6512


To apply for a job with General Hydronics Plumbing, LLC., please complete the application below.

Call today to get a quote: 575-437-6512
bottom of page