Product Specs
- ENERGY STAR: select sizes certified
- Efficiency: dependent on outdoor unit pairing
- Sound level: as low as 19 dB
- Indoor unit style: cooling-only high wall
- Refrigerant: Puron Advance
- Controller: wireless remote included
Ductless HVAC
Carrier Ductless HVAC 45MHHAC Comfort™ High Wall Indoor Unit - Cooling Only
Technical Specifications
Useful troubleshooting details
- Confirm the outdoor and indoor unit model numbers, serial numbers, zone count, line-set layout, controller type, refrigerant, voltage, and capacity.
- Share no heat, no cooling, weak airflow, drain or condensate issues, indoor-unit noise, remote/controller behavior, or error-code details.
- For upgrade planning, note whether the request is single-zone, multi-zone, high-wall, cassette, ducted, floor-console, or light-commercial ductless work.
Service planning
How GreenFlow handles 45MHHAC Comfort™ High Wall Indoor Unit - Cooling Only requests
Identify the equipment
Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.
Describe the service issue
Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.
Review access and history
Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.
Plan the next step
GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.
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Try another nearby city or contact GreenFlow to confirm service availability.
Our Happy Customers
Terry S.
Excellent service from best tech!
Sharad W.
Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...
John F.
I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...
Melissa S.
The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.