Leith Heating & Cooling delivers dependable, high-performance HVAC services to homeowners in Elgin, IL, and across the Fox Valley. As a veteran-owned, family-operated HVAC company, we blend deep-rooted values with modern expertise to deliver service you can trust. Our A+ BBB accreditation, EPA certification, and commitment to continuous improvement reflect our dedication to doing things the right way—every time. We believe your comfort shouldn’t come with compromise. Backed by years of hands-on experience and a customer-first mindset, our team is here to provide heating, cooling, and air quality solutions that truly make a difference.