About Cornerstone Air Conditioning
Cornerstone Air Conditioning is an established well-respected hvac contractor serving homeowners across Grand Rapids, MI since 1989. Services include central AC and furnace install and repair, heat pump conversions, ductless mini-split installs, ductwork design and replacement, indoor air quality systems, and the increasingly popular spring/fall maintenance plans that keep manufacturer warranties intact. The technicians on staff carry NATE certifications and are happy to walk customers through a Manual J load calculation before quoting any system replacement, so you never end up with an oversized or undersized system.
Cornerstone Air Conditioning serves homeowners across Grand Rapids, MI and surrounding ZIP codes including 49503, 49504, 49505, 49506, 49507. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.
Services offered
- Smart thermostat install
- Indoor air quality systems
- Heat pump conversion
- Furnace install & repair
- Ductless mini-split install
- Refrigerant leak detection
- Commercial RTU service
- Manufacturer warranty work
Service area
Cornerstone Air Conditioning covers Grand Rapids and the surrounding metro, typically responding to addresses within 25–35 miles of 49504. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.
Licensing & insurance
FixNearMe verifies that Cornerstone Air Conditioning holds an active MI contractor license (#MI-553962) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.
How to request a quote
Use the free quote form on this page to send your job details directly to Cornerstone Air Conditioning and up to two other nearby hvac pros in Grand Rapids. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.