(808) 445-3765

Capitol Mechanical serving your Commercial, Heating & Air Conditioning in Honolulu, HI

Summer Savings Coupon

10%

Off Coupon

Military Discount

Must present coupon at the time of the initial bid. Not combinable with other promotions. Valid through September 30, 2025.

10%

Off Coupon

Senior Discount

Must present coupon at the time of the initial bid. Not combinable with other promotions. Valid through September 30, 2025.

10%

Off Coupon

First-Time Customer

Must present coupon at the time of the initial bid. Not combinable with other promotions. Valid through September 30, 2025.

Capitol Mechanical, Your Trusted Repair Experts in Honolulu, HI

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System Upgrades

Modernize aging infrastructure with energy-efficient upgrades.

Refrigeration Services

Ensure that your cooling systems operate at their best.

Commercial Services

Comprehensive commercial refrigeration and repair services.

Read Our Reviews

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Areas We Serve

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Honolulu
Kapolei
Waipahu
Ewa Beach
Aiea
Kailua
Pearl City
Mililani
Kaneohe
Waimanalo

See Our Work

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Back of a silver Nissan van with

Two white service vans parked on a driveway. Both have logos on the side and are positioned in front of a green lawn.

A dark gray industrial dehumidifier with red hose sits on a wood floor in front of a white door and a stainless steel refrigerator.

An open electrical appliance, revealing circuit boards, a fan, and wiring. The appliance is in a metal frame.

Close-up of a dryer motor heavily covered in lint and debris, with exposed copper wiring.

A close-up view of a dryer's blower fan. The white fan blades are coated with dust and debris.

Interior of a dryer, showing the heating element, fan, and lint accumulation. Grey metal with wires and a blue and yellow tool.

Interior of a dryer, showing the heating element with built-up lint and debris. Gray metal and wiring are visible.

A silver car radiator lying on a weathered stone surface, possibly for repair or replacement. It is positioned in front of a black vehicle.

SUV trunk packed with red toolboxes, equipment, and supplies for HVAC or refrigeration service. Includes a vacuum pump, refrigerant gauges, and cleaning solutions.

Inside of a refrigerator: ice buildup above a dark liquid pooling below.

A white plastic washing machine pump, dirty with grime, featuring two spouts and a central hub.

Mechanic in blue overalls repairs outdoor industrial equipment, wiring visible.

Empty glass-door refrigerators with interior lights on, in a commercial setting.

Gloved hand adjusting gauges connected to a car's AC system with red, yellow, and blue hoses.

Blue and white pressure gauge on a silver surface, indicating pressure with a black needle.

Mechanic in blue uniform testing electrical equipment with a multimeter.

Close-up of a dusty blower fan inside a machine, possibly an HVAC unit, with wiring and a drill in the foreground.

A drain inspection camera is set up on a tile floor, with a screen displaying footage. A red hose connects the camera to a larger machine in the background.

Contact Us for Your Commercial Repair Needs!

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Where Here When You Need Us

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Call Us

Got questions that need answered? Give us a call today.

(808) 445 3765 (808) 427 2778

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