Lennox Landmark KHB048S4B
Air-source heat pumps (ASHPs) are all-electric building heating and cooling solutions that use electrical energy to move (not convert) thermal energy from a source to a sink, where the source is the outdoors in the winter and indoors in the summer. An ASHP thus pumps heat in the opposite direction from which it would normally move.
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Lennox Landmark KHB048S4B
The Lennox Landmark KHB048S4B is a 4 ton packaged heat pump with a single-speed belt drive blower.
Hub Highlights:
- Heating: 11.4 EER, 14 SEER, 3.72 high-heating COP
- Capacity: 46,500 Btu/h cooling capacity and 47,500 Btu/h high-heating capacity
- Compressor Type: Single-speed scroll compressor
- Electric Heat Up: Optional electric heat up to 15 kW
Last Edited on: 04/2024
Data Collection
The evaluation team surveyed individuals with experience in installation, operation, and/or maintenance of air source heat pumps (ASHP).
Sample Size
20
Scoring
These scores describe user experience with air source heat pumps in general, not differentiating among specific products. A 5-point rating (1-5) for each subscale was calculated as the mean of responses to all questions in the subscale--all asked with a 5-point response scale [Strongly disagree (1) to Strongly agree (5)]. Negatively framed questions were reverse-scored. Higher scores mean better user experience.
Installation
It was easy to schedule the installation; I was very satisfied with the speed of installation; Integrating the ASHP with other onsite systems required a lot of our time and effort; Permitting the storage system required a lot of our time and effort; Provider took care of connecting the storage system to our building systems.
Performance
The ASHP operates well; The ASHP has had performance issues; The ASHP is reliable; I am satisfied with the price of the ASHP; I am satisfied with the financial benefits of the ASHP; I am satisfied with the reports generated by the ASHP; I wish the ASHP provided more detailed information about its operations; I am satisfied with the remote safety features (e.g., fire alarm and system outage) of the ASHP.
Maintenance
It is difficult to find a service provider that performs maintenance; I am satisfied with the frequency of maintenance requirements; I am satisfied with the cost of the maintenance requirements; I am satisfied with the level of effort required of our organization to adhere to the maintenance requirements; The ASHP is easy to maintain; Maintenance requires special tools; Maintenance requires special training.
Usability
System Usability Scale (SUS): I found the system unnecessarily complex; I thought the system and service was easy to use; I think that I would need more technical support to be able to use the system and service; I found the various functions in this system and service were wll integrated; I though there was too much inconsistency in the system and service; I would imagine that most people in my role would learn to use this system and service very quickly; I found the system and service very cumbersome or awkward to use; I felt very confident using the system and service.
General Satisfaction
Overall, I am satisfied with the ASHP; If my organization needed another energy storage system, I would select this one again; I would recommend the ASHP to others; I am satisfied with the company's customer service.