CPI Plumbing and Heating

1900 Railroad AvenueMount Vernon, WA 98273Phone: (360) 652-2500Email: customerservice@cpiplumbing.comWebsite: Visit Website

Plumbing, Heating, or Cooling Issues?


Need immediate help unclogging a drain or replacing your HVAC equipment? 

Contact us today at (360) 652-2500 for quality plumbing, heating, and cooling services in northwest Washington.

Why Work With Us?
Looking for a reliable home services contractor who can provide you with honest advice and recommendations, quality workmanship, and long-term peace of mind? CPI Plumbing & Heating is your local Mount Vernon plumber and HVAC contractor committed to helping you enjoy a hassle-free experience.

We provide high-quality repairs, installations, and maintenance services for residential and commercial customers throughout Mount Vernon and surrounding areas in northwest Washington state.

On our website, when scheduling a service, be sure to download the available 5-Percent discount for Military (Active and Retired) and Senior (ages 65 and older) customers. 

The Best Plumbing Services:
Clogs, backed-up drains, and leaking pipes can happen when you least expect it—and our team is here to help you get your plumbing problems under control using safe and proven methods.

No matter the size of your plumbing problem or what’s causing it, we are prepared to provide you with the quality service you need.

Contact us for help with the following:

Water heater services
Sewer repair and replacement
Clog removal
Leak detection
Septic tank services
Backflow prevention
Water filtration
Bathroom remodels
And More!

HVAC Trouble? 

Contact Our Mount Vernon AC and Heating Experts Today

Your HVAC system is an essential part of your home and business. An inefficient furnace or a broken air conditioner can result in high utility bills and poor indoor air quality.

If you are struggling with recurring HVAC problems, or you’re looking to install new heating or cooling equipment, call our experts for immediate service. We will assess your indoor comfort needs and have your HVAC system running efficiently in no time.

Let us help you with the following:

  • Furnace repair and replacement
  • Boiler service and repair
  • Radiant floor heating
  • Ductless mini-split AC services
  • Indoor air quality solutions
  • Ductwork insulation and repair
  • UV Air Sanitizer
  • And more!

Business Review

"Very professional and got to us sooner than expected. They were very friendly with us and explained everything very well. They were friendly with my dogs and goats too even though they were being pains and trying to "help" them." - Kristina

"Amazing, kind, and courteous gentleman. Quick and willing to help in an emergency! Excellent work. So happy to have found them!" - Mary

"The gentlemen showed up on time and were courteous about my house and family. They were in good spirits and got right to work, staying on task, keeping me informed, and remaining professional the entire time. We analyzed the current drainage issues and reaffirmed what I was certain my older house required (replacing the entire drainage system to the city main) for which we will also use CPI. Couldn't be more pleased." - Gregory