Your local One Hour Heating & Air Conditioning has been serving the Greater Cedar Valley and surrounding area since 1966. We promise prompt and professional service to all of our customers. “Always on time, or you don’t pay a dime.”™ We look forward to solving all your heating and air conditioning repair, installation and service needs. Call us now to schedule an appointment.



Available 24/7
1717 Falls Avenue

Waterloo, Iowa 50701

License Number: C097612

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Through our years of experience, we have come to realize that the most important thing to our company is you, our customers and our employees. We pride ourselves with the philosophy that family comes first. Our customers and employees are just like one of the family. We offer outstanding service with a guarantee that we’re “always on time or you don’t pay a dime”™ and that we’ll fix the problem right the first time to your 100% satisfaction. Our service technicians are fully trained, drug tested and background checked. From the person who answers your call, to the technician that comes to your home, all of us here at Gubbels One Hour Heating & Air Conditioning® are dedicated to providing you with the best possible service.


24 hour Emergency Service! 100% Satisfaction Guaranteed!

Our technicians can help you with your heating and air conditioning needs, such as maintenance, repair and replacement of your old system. Gubbels One Hour Heating & Air Conditioning® guarantees that the technician who comes to your home is reliable and friendly and can get your HVAC job done in a timely fashion, for a competitive price. If you’re interested in replacing your system we will send one of our Comfort Advisors to your home to do a FREE home energy analysis and help you design a system that meets your needs.

We are family-owned and operated, licensed, insured, bonded and guarantee all of our work. Our guarantees are backed up with the UWIN promise of 100% home-owner satisfaction. Gubbels One Hour Heating & Air Conditioning® is devoted to helping you with all of your heating and air conditioning needs


  • Air Conditioners
  • Air Handlers
  • Ductwork
  • Furnaces
  • Heat Pumps
  • Indoor Air Quality
  • Maintenance Agreements
  • Thermostats
  • Water Heater Replacement


  • Cedar Falls
  • Denver
  • Dewar
  • Dike
  • Dunkerton
  • Elk Run Heights
  • Evansdale
  • Gilbertville
  • Hudson
  • Janesville
  • La Porte City
  • New Hartford
  • Reinbeck
  • Waterloo

The One Hour Heating & Air Conditioning® maintenance agreement, Comfort Club™, provides you with regular system checks.

A Comfort Club™ agreement will keep your system running at its peak.