Frequently Asked Questions

The cost of a new heating system depends on your home and comfort needs.  To get you the most accurate cost, please schedule a comfort advisor to visit your home.  All estimates are free of charge and will ensure you are getting a precise and accurate price. With our 0% financing, we have actually seen HVAC and heating systems pay for themselves.
According to Consumer Reports, HVAC systems last an average of 15 to 18 years. Let us help extend the life of your system, join our USA Maintenance membership today. Click Here to learn more at
To calculate the appropriate heating system size, we would need to schedule one of our comfort advisers to visit your home.  Square footage, windows, insulation and ceiling height are just the few items that will determine the type of heating system you need.
Depends on the type of filters.  Basic filters will need to be replaced every one or two months, premium filters can last up to 6 months.

Trained, Tested & Certified Heating Service Professionals

Our staff of dedicated and professional techs at A+ Derr have many combined years of industry knowledge and experience working on all kinds of furnaces and heating equipment. Our technicians are trained and certified on all equipment that we install and maintain. We are always keeping up to date on the industry by participating in annual, continuing education courses.

A+ Derr Heating & Furnace Services

We are pleased to offer the following heating and furnace services by our trained professionals:

  • Repair
  • Maintenance & Inspections
  • Replacement & Installation
  • Cleaning
  • Equipment Education

Emergency Heating & Furnace Services

You can have the peace of mind knowing that A+ Derr is here for you with 24/7 services. If there is an issue with your heating and/or cooling system, we will promptly dispatch a technician to troubleshoot the problem and take appropriate steps to resolve the issue. We carry a large assortment of common parts on our trucks, which allows us to repair most problems quickly. You can count on A+ Derr Heating & Cooling to be there when you need us most.  Your home comfort is important to us.

Need Furnace or Heat Pump Service?

  • A+ Expert heating technicians available 24 hours 7 days a week
  • Trucks stocked with heating and furnace parts to complete the job
  • Service all heat pump and furnace makes and models
  • Up to 5 years warranty on heating parts
Schedule a Service Call

Heating and Cooling Maintenance Plan

Learn More