This AHRI-certified matched heat pump system pairs the Trane 5TWV8X36A1000 variable speed outdoor unit with the 5TEMCD05AV41 variable speed air handler and BAYHTR1510BRK electric heat kit. Rated at 18.1 SEER2, 10.0 EER2, and 8.5 HSPF2 under AHRI reference 215865039, it delivers heating and cooling from a single all-electric system using R-454B refrigerant with lower global warming potential.

3 Ton Trane 18 SEER2 Heat Pump Price

The installed price for this complete Trane 3 ton 18.1 SEER2 variable speed heat pump system from HVAC Services Pro Start at $12,500. That covers the 5TWV8X36A1000 outdoor unit, the 5TEMCD05AV41 trane air handler, the BAYHTR1510BRK electric heat kit, and professional installation.

You can view the full equipment details and purchase directly on the R-454B Trane 3 Ton 18 SEER2 Variable Speed Heat Pump product page.

For context on trane heat pump prices, Trane 18 TruComfort variable speed heat pump prices in Dallas–Fort Worth show that Trane heat pumps range from $7,369 to $17,012 installed in 2026. A 3-ton Trane heat pump costs $8,310 to $10,290 installed at the base tier. Priority tier 3-ton Trane heat pumps range from $9,920 to $12,650. Premier tier 3-ton Trane heat pumps cost between $12,780 and $15,610. Installation costs vary based on efficiency ratings and model. This 18 TruComfort variable speed system sits at the upper range of the Priority tier, reflecting its variable speed compressor and 18.1 SEER2 performance.

Trane 5TWV8X36A1000 Variable Speed Heat Pump

The 5TWV8X36A1000 is the outdoor unit in this heat pump system. It uses a variable speed compressor that modulates output continuously, adjusting capacity from approximately 30% up to 100% based on real-time heating or cooling demand. This is the core of Trane’s TruComfort variable speed technology.

Where a single stage unit runs at full output and then shuts off, the 5TWV8X36A1000 runs at lower speeds during periods of moderate demand. The result: the compressor stays engaged longer, maintains precise temperature control, and avoids the short-cycling that wastes energy. Variable speed technology improves energy savings compared to fixed-output systems because the compressor draws less power when operating at partial capacity.

A variable-speed heat pump can provide quieter operation compared to traditional systems. Low sound levels for heat pumps can start at as low as 54 dB, which is close to the sound level of a household refrigerator. This matters if the outdoor unit sits near a bedroom window, a patio, or a property line.

The system uses R-454B refrigerant. Trane designed this equipment specifically for R-454B rather than retrofitting older R-410A platform designs.

Trane 5TEMCD05AV41 Variable Speed Air Handler

The 5TEMCD05AV41 is the indoor component of this split system. This multi-positional variable speed air handler connects to your existing ductwork and works with the 5TWV8X36A1000 outdoor unit to distribute conditioned air throughout the home, similar in concept to Trane’s 3-5 ton variable speed air handler 5TEM6D06AV41S.

“Variable speed” in the air handler refers to the blower motor. The fan speed adjusts to match the output of the outdoor variable speed compressor, so airflow scales with demand. When the compressor runs at 40% capacity on a mild afternoon, the blower motor slows accordingly. When cooling demand peaks during a 100°F day in Dallas-Fort Worth, both the compressor and the blower ramp up together.

This coordinated operation between the outdoor unit and the compatible air handler is what produces the certified 18.1 SEER2 rating. Using a different air handler would change the system’s efficiency ratings and could affect warranty coverage.

The multi-positional design allows installation in upflow, downflow, or horizontal configurations, giving flexibility for closets, attics, garages, or utility rooms, similar to Trane’s 2–3.5 ton multi-speed air handler 5TEM4D04AC31S that also supports versatile mounting options.

BAYHTR1510BRK Electric Heat Kit

The BAYHTR1510BRK is the supplemental electric heat kit installed inside the 5TEMCD05AV41 air handler. It provides backup heating when outdoor temperatures drop below the point where the heat pump alone can meet the home’s full heating load.

Heat pumps extract heat from outdoor air. As outdoor temperatures fall, less heat is available to extract, and heating capacity decreases. Trane’s cold climate models maintain 100% capacity down to 27°F. When temperatures drop further, the electric heat kit activates to bridge the gap between what the heat pump delivers and what the home needs.

This heat kit is part of the AHRI 215865039 certified match. The 8.5 HSPF2 heating seasonal performance factor rating accounts for its operation during testing, so the published efficiency reflects the real-world combination of heat pump output and supplemental electric heat across the heating season.

AHRI 215865039: Certified System Efficiency

AHRI reference 215865039 identifies the specific tested combination of the 5TWV8X36A1000 outdoor unit, 5TEMCD05AV41 air handler, and BAYHTR1510BRK heat kit. The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) tests matched systems through rigorous testing and publishes certified ratings that the combination achieves together.

Here is what each rating means for this system:

18.1 SEER2 (Seasonal Energy Efficiency Ratio): Measures how efficiently the system cools over an entire annual cooling season. An 18.1 SEER2 rating means the system removes 18.1 BTU of heat per watt of electricity consumed, averaged across the cooling season. The SEER2 standards test HVAC systems under stricter regulatory guidelines than the original SEER test. An 18 SEER2 heat pump uses roughly 20% to 25% less electricity than standard 14.3 SEER2 units. ENERGY STAR criteria for ducted split heat pumps start at 15.2 SEER2, so this system exceeds that threshold. Trane’s best cooling efficiency across all trane heat pump models reaches 22.4 SEER2.

10.0 EER2 (Energy Efficiency Ratio): Measures cooling efficiency at a single high outdoor temperature test point rather than a seasonal average. This tells you how the system performs during peak cooling demand.

8.5 HSPF2 (Heating Seasonal Performance Factor): Measures heating efficiency across the heating season. Higher HSPF2 means less electricity consumed per BTU of heat delivered. The minimum HSPF2 required is 7.5 since January 2023. Trane’s best heating efficiency across its lineup is 11 HSPF2, achieved by the Priority 17 Multi-Speed model. Efficiency ratings for an 18 SEER2 heat pump include up to 8.5 HSPF2 for heating.

All Trane models exceed the minimum SEER2 of 14.3.

How Trane TruComfort Variable Speed Technology Works

TruComfort variable speed heat pumps adjust output for consistent comfort rather than cycling between full power and off. The variable speed compressor in the 5TWV8X36A1000 modulates capacity in fine increments, effectively providing continuous adjustment rather than fixed stages.

Variable speed heat pumps adjust output for consistent comfort. During a mild spring morning when the home needs a small amount of cooling, the compressor might run at 35% capacity. On a 100°F August afternoon, it ramps up toward full output. The system matches its energy consumption to the actual load, minute by minute.

Good humidity control is achieved by avoiding power surges in variable-speed systems. Because the compressor and blower run longer at lower speeds, the evaporator coil stays cold enough to condense moisture from the air continuously. Single-stage systems that short-cycle often leave indoor air humid because the coil never stays engaged long enough to pull sufficient moisture. Variable speed units provide superior dehumidification compared to single-stage units.

The 18 SEER2 heat pump operates more efficiently due to variable-speed inverter technology. Lower-speed operation uses less electricity per unit of cooling or heating delivered. TruComfort variable speed heat pumps achieve up to 22.4 SEER2 at the top of the product line; this 3-ton system is rated at 18.1 SEER2, which delivers advanced technology and real-world energy efficiency.

Heating and Cooling From One System

Heat pumps heat and cool by reversing operation; summer for cooling and winter for heating, whether you choose a premium variable-speed system like this one or a 2 ton 14.3 SEER2 R-454B single-stage Trane heat pump. The same refrigerant circuit that removes heat from your home in summer reverses direction in winter to extract heat from outdoor air and deliver it indoors.

This eliminates the need for separate air conditioners and a heating system. Unlike a dual fuel system that pairs a heat pump with a gas furnace, this is an all-electric heat pump system, whereas options like a 5 ton 17 SEER2 Trane gas system with R-454B combine a furnace with an outdoor unit for hybrid operation. There is no gas line required, no combustion, and no need for natural gas service.

Trane heat pumps operate efficiently down to 5°F. As outdoor temperatures rise above that threshold, heating capacity increases. At around 27°F to 32°F, depending on the specific model and conditions, TruComfort variable speed systems can maintain near full rated heating capacity. This cold weather performance makes the system viable for Dallas-Fort Worth winters, where freezing temperatures occur but prolonged extreme cold is uncommon.

The BAYHTR1510BRK electric heat kit provides supplemental heating when temperature drops push outdoor conditions below the heat pump’s full capacity range. The system activates this backup automatically based on thermostat demand.

R-454B Refrigerant

Trane heat pumps use R-454B refrigerant, which has low global warming potential and no ozone-depletion potential. R-454B is a blend of R-32 and R-1234yf with a global warming potential (GWP) of approximately 466, compared to approximately 2,088 for the R-410A refrigerant used in previous-generation equipment. That is a 78% reduction in GWP per pound of refrigerant.

R-454B carries an ASHRAE A2L classification, meaning it is mildly flammable. The 5TWV8X36A1000 and 5TEMCD05AV41 are purpose-built for R-454B with appropriate safety measures integrated into the equipment design. This is not a retrofit of an older R-410A system; Trane engineered these components for this refrigerant from the ground up.

The HVAC industry is transitioning away from higher-GWP refrigerants under federal HFC phase-down regulations, and many new systems, such as Trane’s 3.5 ton 15.2 SEER2 R-454B single-stage heat pump 5TWR5042A1000, now use R-454B as well. Purchasing a new trane heat pump designed for R-454B means the equipment aligns with current and upcoming refrigerant regulations rather than relying on a refrigerant being phased down.

Is a 3 Ton Heat Pump Right for My Home?

A 3-ton heat pump has a nominal cooling capacity of 36,000 BTU per hour, and homeowners can also compare this variable-speed 18 SEER2 system to a 3 ton 15.2 SEER2 R-454B single-stage Trane heat pump 5TWR5036A1000 with similar capacity but different performance characteristics. Whether that capacity matches your home’s needs depends on a proper manual J load calculation, not on a square-footage rule of thumb.

A Manual J load calculation evaluates your home’s specific characteristics: insulation levels, window area and type, solar orientation, air infiltration rates, ceiling heights, number of occupants, and internal heat sources. The calculation produces a heating load and a cooling load measured in BTU per hour. Equipment is then selected (using ACCA’s Manual S procedure) to match those loads, which may include options like Trane’s 3–4 ton multi-speed air handler 5TEM4D05AC41S for compatible systems.

Over-reliance on tonnage-per-square-foot estimates leads to oversized equipment. An oversized variable speed system will still modulate down, but an excessively oversized system may run at its minimum output more often than intended, potentially affecting humidity control and long-term wear. Under-sizing leaves the home uncomfortable during peak conditions, which is why a smaller option like a 2.5 ton 15.2 SEER2 single-stage Trane heat pump system may be appropriate for some homes.

HVAC Services Pro can perform or review a load calculation to confirm whether 3 tons is the correct capacity for your home before installation.

What Is Included With Professional Installation

Professional heat pump installations of this system involve several coordinated steps. Installation typically takes 6 to 10 hours for a single system.

The installer positions and secures the 5TWV8X36A1000 outdoor unit with proper clearances, connects refrigerant lines between the outdoor unit and the 5TEMCD05AV41 air handler, installs the BAYHTR1510BRK electric heat kit inside the air handler, makes electrical connections, and performs a complete system startup and commissioning, following a similar process to installing a 5 ton 15.2 SEER2 single-stage Trane heat pump system.

Proper installation includes verifying refrigerant charge, checking airflow across the coil, confirming thermostat communication with the variable speed system, and testing both heating and cooling operation. Installation costs can increase due to ductwork or electrical upgrades needed to accommodate the new system.

Permit and inspection coordination depends on local jurisdiction requirements. Dallas-Fort Worth municipalities typically require mechanical permits for heat pump replacement and new heat pump installations.

A compatible air handler is often needed for Trane heat pumps to achieve certified ratings. This system ships as the matched combination, so the air handler and heat kit are included.

Why Proper AHRI Equipment Matching Matters

The 5TWV8X36A1000 outdoor unit, 5TEMCD05AV41 air handler, and BAYHTR1510BRK heat kit are registered together under AHRI reference 215865039. The 18.1 SEER2, 10.0 EER2, and 8.5 HSPF2 ratings apply only to this specific combination.

Substituting a different air handler, a different heat kit, or a different outdoor unit changes the system’s tested performance. The replacement combination may have a different AHRI reference with different ratings, or it may have no certified rating at all.

AHRI matching matters for three reasons:

1. Performance verification. The published efficiency ratings come from testing this exact combination. Mismatched components may operate at lower efficiency.
2. Warranty protection. Manufacturer warranties on components may require that matched equipment was installed per specifications.
3. Rebate and incentive eligibility. Programs offering heat pump rebates, federal tax credits, or utility rebates often require AHRI-certified matched systems meeting specific efficiency thresholds.

When evaluating trane heat pump cost or comparing installed price ranges, confirm that any quote you receive identifies the specific AHRI reference number and all three matched components.

Why Buy From HVAC Services Pro

Transparent pricing. The installed price for this system is $12,500, published on the product page. You see the trane heat pump cost before contacting anyone.

Exact equipment identification. Every product listing shows the outdoor unit model, air handler model, heat kit model, and AHRI reference number. No ambiguity about what you are buying.

Professional installation. Licensed technicians handle the complete installation, including refrigerant line connections, electrical work, system startup, and commissioning of the variable speed system.

Proper system sizing. HVAC Services Pro performs or reviews a load calculation to confirm this 3-ton system matches your home’s heating and cooling requirements.

Dallas-Fort Worth local service. Based in the DFW area, HVAC Services Pro serves the local market with knowledge of regional climate demands, building codes, and permit requirements.

Permit and inspection coordination. Where applicable, the team handles permit applications and coordinates required inspections.

Financing options. Financing is available for qualified customers to spread the initial cost over time.

Frequently Asked Questions

What is the installed price for the Trane 3 ton 18.1 SEER2 system? The installed price from HVAC Services Pro is $12,500 for the complete matched system including the 5TWV8X36A1000 outdoor unit, 5TEMCD05AV41 air handler, BAYHTR1510BRK heat kit, and professional installation.

How does the 5TWV8X36A1000 variable speed compressor work? The compressor adjusts its speed continuously to match the home’s real-time heating or cooling demand. Instead of running at full capacity and shutting off, it modulates from approximately 30% to 100% output, operating longer at lower speeds during moderate conditions.

What is AHRI 215865039 and why does matching matter? AHRI 215865039 is the certified reference number for the tested combination of the 5TWV8X36A1000, 5TEMCD05AV41, and BAYHTR1510BRK. The published efficiency ratings (18.1 SEER2, 10.0 EER2, 8.5 HSPF2) apply only to this matched system. Mismatched components may produce different results and may affect warranty coverage.

How does 18.1 SEER2 compare to older systems? An 18 SEER2 heat pump uses roughly 20% to 25% less electricity than standard 14.3 SEER2 units. The minimum federal efficiency requirement is 14.3 SEER2. ENERGY STAR criteria for ducted split heat pumps start at 15.2 SEER2, and this system exceeds both thresholds.

What is R-454B refrigerant and how is it different? R-454B is a next-generation refrigerant with a global warming potential of approximately 466, roughly 78% lower than R-410A (GWP ~2,088). It has no ozone-depletion potential. The 5TWV8X36A1000 is designed specifically for R-454B rather than adapted from an older R-410A design.

Is a 3 ton heat pump the right size for my home? A 3-ton system provides 36,000 BTU of nominal capacity. Correct sizing requires a Manual J load calculation evaluating your home’s insulation, windows, orientation, air leakage, and other factors. HVAC Services Pro can perform or review this calculation before installation.

What is included with the 5TEMCD05AV41 air handler? The 5TEMCD05AV41 is a multi-positional variable speed air handler that houses the indoor coil and blower motor. It connects to existing ductwork and accepts the BAYHTR1510BRK electric heat kit. The variable speed blower adjusts airflow to match the outdoor unit’s compressor output.

How does the BAYHTR1510BRK electric heat kit work? The electric heat kit mounts inside the air handler and provides supplemental heating when outdoor temperatures fall below the point where the heat pump alone can meet the home’s heating demand. It activates automatically based on thermostat settings.

What is the difference between SEER2, EER2, and HSPF2? SEER2 (seasonal energy efficiency ratio) measures cooling efficiency averaged across an entire cooling season. EER2 measures cooling efficiency at a single high-temperature test point. HSPF2 (heating seasonal performance factor) measures heating efficiency across the heating season. All three use updated, stricter test procedures compared to original SEER/EER/HSPF.

How quiet is the TruComfort variable speed operation? The variable speed compressor runs at lower speeds during moderate conditions, reducing noise. Low sound levels for Trane heat pumps can start at 54 dB, comparable to a household refrigerator. Sound levels increase as the compressor ramps up toward full capacity.

Does this system provide both heating and cooling? Yes. Heat pumps reverse their refrigerant cycle to provide cooling in summer and heating in winter from the same outdoor unit and air handler.

How long does professional installation take? Installation typically takes 6 to 10 hours for a single system. Installations requiring ductwork modifications or electrical upgrades may take longer.

Can this system work with my existing ductwork? In most cases, yes. The 5TEMCD05AV41 connects to standard residential duct systems. The installer will evaluate your existing ductwork for proper sizing and condition. Duct modifications may be needed if the current duct system is undersized or in poor condition.

Are there financing options available? HVAC Services Pro offers financing for qualified customers. Contact the team for current terms and application details.

What areas does HVAC Services Pro serve in DFW? HVAC Services Pro serves the Dallas-Fort Worth metropolitan area. Contact them directly to confirm service availability at your specific location.

Does the variable speed system help with humidity? Yes. Because the compressor and blower run longer at lower speeds, the evaporator coil stays engaged and condenses more moisture from the air. This provides better humidity control compared to a single stage unit that short-cycles during moderate conditions.

Is this system an efficient alternative to electric resistance heating? Heat pumps can be more efficient than electric resistance heating systems because they move heat rather than generate it. At 8.5 HSPF2, this system delivers more BTUs of heat per watt consumed than a resistance heater operating at a 1:1 ratio.

Contact HVAC Services Pro to schedule a consultation and confirm proper sizing for your home. The complete Trane 3 ton 18.1 SEER2 TruComfort variable speed heat pump system is available at the published price of $12,500 with professional installation in the Dallas-Fort Worth area.