Residential Heating & Cooling:

Problems with your Heating or Cooling?

Our service technicians can stop the same day, if you are having issues with your heating or cooling units. All our technicians are extremely knowledgeable and have many years of Experience. 

System Maintenance:
Our service technicians will thoroughly clean, oil and lubricate your system, change filters and perform an overall inspection to help enhance the longevity of your system.  Whether your system is natural gas, oil, or LP we will maintain it.  We service all brand name systems such as Lennox, Carrier, York, Trane, McQuay,Ruud,etc..

Call today to schedule an Air Conditioning or Furnace Check.

Hours of Service:
We offer a planned service routine maintenance checkup of your heating or Air Conditioning system Monday through Friday 8am to 4pm.  We provide service technicians on call 24 hours a day, 7 days a week for those unforeseen problems that may occur. 563-583-7363

We also perform residential and commercial system air balancing with certified technicians to enhance the comfort in your home, office or business

Residential Sales:
If you are in need of a new Air Conditioner, Furnace, Water Heater, or Fireplace, call Bob in our Residential Sales Department for a Free no obligation Estimate.

Bob Reisdorf

We provide the highest quality residential hvac system the market offers. Along with Lennox we offer Goodman and Amana. Even though not all budgets are the same we still provide the highest quality system for each budget. Our residential technicians are NATE certified so we can provide you all the utility rebates. In the event of an emergency we typically can get a system installed for you next day. We are the only contractor with in 60 miles that is energy star certified. We can provide you with a Energy Star label.  Whether you are building a new house or replacing an existing system we can design your system to make sure you are getting the equipment you need. We provide free estimates and 24 hour service. air conditioner repair in Dubuque furnace repair in Dubuque

Geisler Brothers


Est. 1892