Leith Heating and Cooling Inc.

This trusted HVAC provider delivers complete heating, cooling, and air quality solutions for homes and businesses across the Fox Valley region. With licensed technicians, transparent service, and a customer-first approach, every project is handled with care to ensure year-round comfort and long-lasting performance.

One of the most requested services is AC installation, providing energy-efficient systems designed to match each property’s unique layout. Whether upgrading an older unit or outfitting a new space, professional installation ensures consistent cooling and reduced energy costs. For existing systems, reliable AC repair & maintenance keeps equipment operating smoothly with diagnostics, refrigerant checks, and seasonal tune-ups that extend system life and prevent unexpected failures.

Heating solutions are equally important. Comprehensive furnace repair & maintenance covers inspections, combustion testing, and part replacements to maintain safe and efficient operation throughout the winter. When replacement is needed, technicians handle full furnace installation with attention to detail and proper system sizing.

Beyond heating and cooling, this provider specializes in improving indoor comfort with indoor air quality solutions, including ductwork services, filtration upgrades, and systems that reduce dust, allergens, and odors. For added convenience, smart thermostat installation offers modern control features, allowing homeowners to adjust temperatures remotely and save on utility bills.

Commercial clients also benefit from dependable climate control through light commercial HVAC services, while zoning systems deliver customized comfort for different areas of a property. Every service is supported by upfront pricing, open communication, and a commitment to exceeding expectations.

By combining technical expertise with personalized service, this HVAC team has built a reputation as a dependable partner for reliable comfort, efficiency, and healthier indoor environments in Elgin and surrounding communities.