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Cornerstone Air Conditioning

HVAC Pros · 4761 Church St, Grand Rapids, MI 49504

4.0 (398 reviews) · 37 years in business
  • Licensed & Insured
  • ⚡ 24/7 Emergency
  • BBB Accredited
  • License #MI-553962

Call now: (695) 935-1825

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.

Recent customer reviews

★★★★★
Veteran-owned and it shows — disciplined, organized, on time, and the workmanship is meticulous. I will absolutely call them again.
— Anthony P., Grand Rapids
★★★★★
They diagnosed an issue three other contractors had missed. Fixed it in two hours and didn't charge for the diagnostic visit. Easy 5 stars.
— Karen W., Grand Rapids
★★★★★
Got us booked the same day and finished the job in a single visit. Cleaned up everything before they left — couldn't even tell they'd been here.
— Mark T., Grand Rapids

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