COVID-19 Notice



Our Commitment to Community

Learn more about our charity donations and fundraising events!



Improve Allergy Symptoms & Better Efficiency from Your AC

Your AC system requires a constant stream of clean, fresh air to work properly. Otherwise, the unit will lose efficiency and you will notice major issues with the system. Patriot Pros Plumbing, Drains, Heating, and Air are the number one AC filter specialists in the area. We’ve been helping Castle Rock, CO homeowners with their AC filter replacement services since 1997.

Interested in finding out what others are saying about us? Check out our latest reviews and customer comments to see what real people think.

To book an appointment, call (720) 897-5559. Enjoy extra savings on your service when you download and print off our latest coupons and online promotions.

Why Frequent AC Air Filter Replacement is Important

The air filter works to make sure your AC system has a constant supply of fresh, clean air. It also prevents contamination in the system. That way, your AC unit runs efficiently and safely. Additionally, air filters work to trap debris and allergens in the air, which helps reduce allergy symptoms in your home.

We typically recommend homeowners change their AC air filter at least twice per year, however, if you suffer from allergies or your home contains pets or smokers, you may have more debris and allergens in the air. These homeowners should change their air filter more often.

Benefits of Working with a Professional

Changing your own AC filter is a simple enough job, but if you choose to do the work yourself, you may miss out on the numerous benefits and advantages of working with a professional. For example, a trained cooling expert knows exactly what to look for during your service. It’s fast and easy. Additionally, a trained eye can spot anything that looks out of place or any potential problem areas that require further attention or maintenance.

If allergies and an inefficient AC system are getting you down, try replacing your AC air filter and see the difference. Call (720) 897-5559 for fast, reliable AC filter replacement in Castle Rock today.

Yes, at Patriot Pros, we train constantly so we are able to know everything there is to know about your heating, plumbing, air, and electrical. We are the Experts. So when you hire a Patriot Pros professional you can be sure that you will get to the root of the problem — because when WE KNOW — YOU KNOW.


Our Past Customers Are Our Best Advocates

“Family owned and operated”

Chris H.

“Patriot pros is very professional, and go the extra mile in keeping your house clean.”

Rachel Anderson-B.

“I love Patriot Pros! Everyone with whom I have interacted over the years has been professional, courteous and knowledgeable.”

Terri G.

“Such a community-minded local business.”

Pam Ward R.

“I love this company.”

Christy Daly S.

“Honest, professional and knew exactly what to look for.”

Brian L.

“The men and women who work for Patriot Pros exemplify the definition of customer service in a multitude of ways.”

Justin S.

“Patriot Pros, Javier, and Tegan are ROCK STARS!”

Toni N.

“Quick and efficient and appreciate all the extras they do.”

Jill T.

“Excellent friendly and knowledgeable staff!”

Brad N.

“I'm a completely satisfied customer.”

Patrick F.

“He went the extra mile to make it unobtrusive and look very professional.”

Lisa Boggie A.

“We loved the services and the people of this company.”

Schmidt B.

“Very attentive staff.”

Regina D.

“We would like to salute Patriot Pros for their outstanding community spirit and willingness to always help their community.”

James C.

See All of Our Service Areas

in Castle Rock, Douglas County and surrounding areas.

Money Saving Coupons

giving you an opportunity to capitalize on a chance to save some change.

Our President’s Club

maintenance membership offering more benefits, reminders and conveniences.