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Yes! We’re Open & Ready to Help You


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Sewer & Drain

Proudly Serving the Fort Collins, Greeley & Loveland Area with all your Plumbing, Heating & Cooling Services

With over 58 years of experience customer satisfaction remains our #1 priority. You’ll find that our team is top-notch, our products are exceptional and our service is world class!

Service is not what we do it’s who we are!

You deserve service this good!

Allen Service, Inc. BBB Business Review

Trusted Plumbing, Heating & Cooling Services

When you need a AC repair, furnace service, or plumbing repair, call Allen Service Plumbing, Heating & Air Conditioning. Our technicians are honest, dependable, and courteous. We proudly serve residents in Fort Collins, Windsor, Loveland, Greeley, and the surrounding area! From air conditioning installation and heat pump repair, to pipe cleaning and water heater replacement, we have a solution for you! We have over 55 years of experience in the business and customer satisfaction has always been our #1 priority. You’ll find that our products are exceptional, our team is top-notch and our world class services are the best in the Fort Collins area.

Our Guarantees



Reliable Heating & Cooling Services

If you live in the area, you know how our weather can fluctuate. It might snow one day, then warm up to 80 degrees the day after. That’s why it’s extremely important to have a trusted company by your side. You need one that’s reliable, honest, and provides you with options. Luckily, Allen Service is here to help we care deeply about your comfort it’s our business!

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Need Repair at 3 in the Morning?
We Specialize in 24/7 Emergency Service.

At Allen Service, we understand how frustrating it can be dealing with a problem in your home. You can count on us anytime day or night to always provide fast, friendly, and affordable service. We’re here when you need us most!

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What Makes Us So Great


We don’t stop working until the job is done right!

It’s never fun dealing with repairs and installations. Our goal is to make the process as easy and stress-free as possible. Don’t settle for less. At Allen Service, you’ll always get top-notch service.

Contact us today and you’ll see why we’re the preferred choice for all your plumbing, heating and air service and repair!

Customer Reviews

You Deserve Service This Good!

To learn more about our outstanding services, contact us today! Our friendly staff is standing by to assist with any questions you may have. With Allen Service, YOU are always the #1 priority. Call us today!

Our Qualifications Include:
Highly Trained, Uniformed Technicians
Courteous Operators and Personnel
Fully Stocked Trucks
Prompt and Dependable Service
Quality Workmanship
Highly Qualified and Knowledgeable Technicians
Immediate Same-Day Service