Rely on our HVAC contractor in Huntsville, Alabama, for professional heating and air-conditioning repair services. In business since 1999 and with more than 20 years of experience, Comfort Air Quality & Efficiency by Design is the company to trust for a job done right. Malcolm Porter has been working in his field since he was a teenager with his grandfather. His quality workmanship, superior customer care, and lower rates are what set him apart. Contact us to learn more about our air-conditioning and heating repair work today.