Heat pump repair tips when the system will not heat
If your heat pump isn't heating, use these simple thermostat, indoor, and outdoor unit checks-and learn when Emergency Heat helps or hurts.
HSI Mechanical
227 Puuhale Rd, Honolulu, HI 96819
4.2
(5 reviews)
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Key Highlights
- Specialists in energy-saving building automation systems
- Licensed in plumbing, sheet metal, and air conditioning
- Experience with commercial and government facilities
- Union-trained, safety-focused tradespeople
About HSI Mechanical
HSI Mechanical is an HVAC and plumbing contractor based in Honolulu, HI, serving commercial and government clients. With over 50 years of experience since its founding in 1974 as a subsidiary of Pacific Marine & Supply Company, HSI Mechanical specializes in energy-efficient mechanical systems, including HVAC installation, AC repair, and tune-up services. The company has worked with major industries such as healthcare, hospitality, retail, education, and military facilities across Hawaii. HSI Mechanical is known for its expertise in energy-saving building automation and maintains a strong commitment to safety and local community involvement.
Our Expert Evaluation
Workmanship Quality:4.9
Responsiveness & Reliability:4.5
Pricing Transparency & Value:4.8
Professionalism & Communication:4.9
Safety & Compliance:4.2
Aftercare Support & Warranty:4.6
Overall Rating
Based on
6 Categories
We rate HVAC providers on service quality, technical expertise, responsiveness, customer feedback, value for money, and reliability, using a mix of verified reviews and independent research.
Service Types
AC Repair
AC Installation & Replacement
HVAC Installation
HVAC Tune-Up & Maintenance
Amenities
HVAC Installation
AC Repair
HVAC Tune-Up
Energy-Efficient Systems
Building Automation Systems
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Location
227 Puuhale Rd, Honolulu, HI 96819
Hours of Operation
| Monday | 7:00 AM - 5:00 PM |
| Tuesday | 7:00 AM - 5:00 PM |
| Wednesday | 7:00 AM - 5:00 PM |
| Thursday | 7:00 AM - 5:00 PM |
| Friday | 7:00 AM - 5:00 PM |
| Saturday | 7:00 AM - 6:00 PM |
| Sunday | 7:00 AM - 5:00 PM |
Contact Information
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