Daikin 5 Ton AC And 115000 BTU Gas/Electric Commercial Package Unit – 13.7 SEER2, Single Stage, 81% AFUE, R32
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Key features
- 5-ton cooling capacity with 115,000 BTU single-stage gas heat in one cabinet
- 13.7 SEER2 efficiency meets current federal minimums for commercial packaged units
- 81% AFUE gas furnace section, standard-efficiency heating
- R-32 refrigerant with lower global-warming potential than R-410A
- Single-stage compressor and gas valve for simplified mechanical operation
- 12-year parts warranty available with registration within 60 days of installation
About this system
The Daikin 5-ton gas/electric commercial package unit is a self-contained rooftop or ground-mount system that houses the air conditioner, gas furnace, and air handler in a single cabinet. At 13.7 SEER2 and 81% AFUE, it meets but does not exceed federal minimum efficiency standards for commercial applications, making it a straightforward replacement or new-construction choice for light commercial buildings, small retail spaces, strip-mall units, or large residential additions where a packaged rooftop format is either required or preferred. The 115,000 BTU gas heat section is substantial enough to handle shoulder-season and winter loads in most climates without a secondary heat source.
Running on R-32 refrigerant, this unit is positioned ahead of the R-22 and R-410A legacy fleet in terms of refrigerant longevity, since R-32 has a lower global-warming potential and is expected to remain available well into the coming regulatory cycle. Single-stage operation means the compressor and gas valve run at full capacity or not at all, which keeps the mechanical design simpler but can lead to short cycling in mild weather and slightly less precise humidity control compared to two-stage or variable-capacity alternatives. Five tons of cooling capacity is appropriate for roughly 2,000 to 2,500 square feet of well-insulated commercial or mixed-use space, though actual sizing should always be confirmed with a Manual J or equivalent load calculation.
This Daikin package unit is a competent, no-frills commercial rooftop solution from the world's largest HVAC manufacturer, offering solid build quality and a strong parts warranty when registered on time. Efficiency sits at the regulatory minimum, and single-stage operation limits comfort refinement, so buyers prioritizing running costs or precise humidity control should weigh higher-SEER2 alternatives. Daikin's documented weaknesses in parts availability and customer service are real trade-offs that deserve attention before committing.
Overall score is the average of the five ratings above.
What we like
- Daikin's build quality is consistently rated among the most durable in the industry by HVAC experts and Consumer Reports
- R-32 refrigerant provides longer regulatory runway than R-410A systems still on the market
- All-in-one cabinet simplifies installation where rooftop or slab-mount configuration is required
- 12-year parts warranty is competitive for the commercial packaged-unit segment when properly registered
- Single-stage design reduces mechanical complexity and lowers likelihood of staging-related control failures
Trade-offs
- 13.7 SEER2 and 81% AFUE are both at the federal minimum floor, meaning operating costs will be higher than two-stage or variable alternatives
- Documented electronic control board and circuit board errors are the most common complaint, sometimes leaving units unresponsive
- Parts availability and warranty claims handling are the most frequently cited service frustrations with Daikin, which matters more on a commercial unit with less flexible service windows
- Single-stage operation can short-cycle in mild weather and provides less humidity control than modulating equipment
What homeowners and pros say about Daikin
Among HVAC professionals who work with commercial package equipment, Daikin’s reputation tends to split along two lines. On the hardware side, the consensus in the trade is that Daikin builds units to last, and that view is backed by Consumer Reports and expert reviewers who consistently place the brand among the longer-lived systems on the market. On the service side, the picture is less flattering: the brand’s PissedConsumer rating sits at roughly 1.4 out of 5 across a few dozen reviews, with complaints concentrated on pricing for out-of-warranty parts and the difficulty of resolving warranty claims through Daikin’s support channels. For a commercial operator who can maintain a service contract with a certified local dealer, the support gap is less critical. For one relying on Daikin’s own customer service infrastructure, it is a real concern worth factoring in.
The specific failure modes that show up most consistently in field reports are worth knowing before installation. Electronic control and circuit board errors are the leading complaint, with units sometimes becoming unresponsive or displaying error codes that require board replacement rather than a simpler fix. Compressor-related cooling loss has been documented in a subset of units. Owners also report that units can grow noisier over time, with rattling or humming on start-up and shutdown becoming more pronounced as the system ages. None of these patterns are unusual for the commercial packaged-unit category broadly, but Daikin’s parts availability and warranty handling complaints mean that when something does go wrong, resolution can take longer than it would with brands that have stronger domestic parts distribution networks.
Sources: PissedConsumer Daikin reviews, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards, Daikin product specifications.
What it costs to run
At 13.7 SEER2, cooling this 5-ton system for a typical 1200-hour cooling season at the U.S. average electricity rate of $0.17/kWh works out to roughly $893 per year in cooling, about $20 less per year than a minimum-efficiency 13.4 SEER2 unit of the same size. Your real cost depends on your climate and local rate.
Method: (60,000 BTU/hr ÷ 13.7 SEER2) × 1200 hours ÷ 1000 × $0.17/kWh. Rate source: U.S. EIA average; cooling hours: moderate-climate estimate.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| Daikin | 5-Ton Gas/Electric Commercial Package Unit (this unit) | 13.7 | Single-stage | Value pick |
| Carrier | WeatherMaster 50XC Series | 14.0-16.0 | Single-stage / Two-stage | Slightly higher than this unit |
| Trane | Precedent YSC Series | 14.0-15.0 | Single-stage | Comparable to slightly higher than this unit |
| Lennox | LRP16GE Series | 16.0 | Single-stage | Moderately higher than this unit |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Does this unit need to be on a rooftop, or can it be ground-mounted?
Commercial package units like this are designed for either rooftop curb mounting or concrete slab ground mounting, and Daikin offers compatible roof curbs as accessories. Your installer will need to confirm duct connection orientation matches your building's configuration before ordering.
What does the 12-year parts warranty actually cover, and what can void it?
Daikin's 12-year parts warranty covers the compressor and other major components but requires registration within 60 days of the original installation date. Failure to register in that window typically reduces coverage to a shorter base period. The warranty covers parts only and does not include labor, refrigerant, or diagnostic fees.
Why does this unit use R-32 instead of R-410A, and does that affect service costs?
R-32 is a lower global-warming-potential refrigerant that the industry is shifting toward as regulations phase down R-410A. It is mildly flammable (A2L classification), which means technicians need specific handling certification and equipment, but it is not expected to create unusual service cost increases as the trade adapts to it broadly over the next few years.
How often should I expect to service this unit in a commercial setting?
Commercial package units typically require at minimum an annual preventive maintenance visit covering coil cleaning, filter replacement, electrical connection checks, and refrigerant pressure verification. Given Daikin's documented history of electronic control board issues, keeping connections clean and dry and addressing error codes promptly is especially important for avoiding cascading failures.
Is 81% AFUE acceptable for a commercial building, or should I be looking at higher-efficiency heating?
81% AFUE is the standard-efficiency tier and meets federal minimum requirements for most commercial applications. It is appropriate where gas is inexpensive or the heating load is modest relative to total annual energy spend. In colder climates or buildings with high heating hours, a 90%+ AFUE unit can meaningfully reduce annual gas bills, and the payback period on the efficiency premium is worth calculating before purchase.
Specifications
| Cooling capacity | 5 Ton |
| Efficiency | 13.7 SEER2 |
| Furnace output | 115000 BTU |
| Furnace efficiency | 81% AFUE |
| Refrigerant | R-32 |