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Keeping Your Family Comfortable
for 3 Generations

Sewer & Drain

Proudly Serving the Fort Collins, Greeley and Loveland Area with Remarkable Heating, AC & Plumbing Services

Every home needs access to plumbing, heating and cooling systems that work both efficiently and effectively. This ensures optimal comfort for you and your family. We understand the sporadic weather in this beautiful state. That’s why we’re always here for whatever the forecast has in store. As the best heating, air conditioning & plumbing company in the Greater Fort Collins area, we’re qualified to assist customers with any heating and cooling or plumber issue. From a furnace repair in Fort Collins to an AC repair in Loveland, we have the services to keep you comfortable all year long!

Need a plumber in Fort Collins? No problem, Allen Service offers emergency plumbing service! Allen Service Plumbing, Heating & Cooling is proud to serve residents in Fort Collins, Loveland, Greeley, and surrounding areas. Additionally, our certified technicians are highly skilled and responsive. They can easily troubleshoot noisy operating systems, funny smells, and disruptions in service without hesitation. When it comes to staying warm in the cold months, we have top-notch heat pump and furnace solutions to ensure you’re ready for those chilly temperatures. When warm weather arrives, our AC systems and cooling options will keep you cool and comfortable. Call us today and you’ll see why we’re the best air conditioning, heating and plumbing company in Northern Colorado!

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


  • Water heaters, including tankless and solar
  • Plumbing fixtures, toilets and sinks
  • Sewer and drain cleaning
  • Sewer and waterline replacement
  • Sump pump and sewage ejections
  • Backflow prevention and testing
  • Sewer line video inspections
  • Garbage disposals


  • Furnace equipment repair and installation
  • New air conditioning system installation
  • Central air conditioner tune-ups
  • Coolant recharging and leak repair
  • Humidifiers and electronic air cleaners
  • Thermostats and climate control
  • Indoor air quality service and equipment
  • Energy efficient upgrades

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 AC & heating company by your side. You need one that’s reliable, honest, and responsive. Luckily, Allen Service Plumbing, Heating & Air Conditioning is here to help! We have outstanding heating and cooling services and our staff is incredible. Also, customer satisfaction has always been the #1 priority and we care deeply about your comfort.

Bryant Factory Authorized Dealer

Need Heating Repair at 3 in the Morning?
We Specialize in 24/7 Emergency Repair for Your AC Unit or Heating System.

Our technicians are also very fast and responsive! We can arrive at your door within minutes and get you back to your comfort zone in no time! At Allen Service Plumbing, Heating & Air Conditioning, we understand how frustrating it can be dealing with a heating problem or AC repair. You can count on us to always provide our customers with fast, friendly, and affordable service. We’re here when you need us most!

Allen Service van

What Makes Us So Great

Allen Service Plumbing, Heating & Air Conditioning is a family owned and operated business and we have over 55 years of experience serving northern Colorado! Whether you need an AC repair, heat pump installation, or a simple drain cleaning, we have the solution for you. The comfort of our customers is always a top priority in our business and we don’t stop working until the job is done right. Don’t settle for less. At Allen Service Plumbing, Heating & Air Conditioning, you’ll always get top-notch customer service. It’s never fun dealing with repairs and installations. At Allen Service our goal is to make the process as easy and stress-free as possible. We proudly serve residents in Fort Collins, Windsor, Loveland, Greeley, and the surrounding area. Contact us today and you’ll see why we’re the preferred choice for AC, heating, and plumbing services!

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 Plumbing, Heating & Air Conditioning, 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