About Strand Brothers Service Experts Heating & Air Conditioning Performance and Energy Savings: The Benefits of Clean vs. Dirty Coils Strand Brothers Service Experts Heating & Air Conditioning in Austin provides a variety of HVAC services, from routine maintenance to heating and cooling repairs. Our expert HVAC maintenance also includes coil cleanings on your systems, which is more substantial than you may think. The difference in system efficiency between clean and dirty coils is astonishing. Dirty coils prevent your system from operating at its top efficiency. In fact, dirty coils may lower humidity removal, breed bacteria, decrease air flow, and increase energy expenses. Studies have shown dirty coils can consume up to 37% more electricity and result in a 30% loss in heating and cooling capacity.1 Plus, if they aren’t cleaned regularly, dirty coils may lead to more breakdowns, costing you more in the long-run. At Strand Brothers Service Experts in Austin, our NATE-certified HVAC technicians will clean your system’s coils in a way that gets rid of dirt and dust without harming the unit.