Trane 4 Ton 18 SEER2 Variable Speed Heat Pump Communicating System Overview (XV18 Series)
The Trane 4 ton 18 SEER2 heat pump system is a high efficiency whole home heating and cooling solution designed for consistent comfort, quiet operation, and reliable performance. This 4 ton heat pump system delivers strong cooling and heating output for large residential spaces while maintaining energy efficient operation throughout the year.
This 4 ton 18 SEER heat pump system from Trane is a complete variable speed split system communicating HVAC solution consisting of three main components –
(1) Trane 4 Ton 18 SEER2 XV18 48000 BTUh V/S Communicating Heat Pump 4TWV8X48A1000
(2) Trane 5 Ton 60000 BTUh M Series V/S Communicating Air Handler TEM8B0C60V51D
(3) Trane 15 kW (10.8–14.4 kW) 36900–49200 BTUh Single-Phase Electric Heater BAYHTR1517BRK w/ Breaker
This system is commonly chosen by homeowners looking for a 4 ton heat pump 18 SEER, a 4 ton 18 SEER AC unit, or a complete 4 ton 18 SEER air conditioner system with upgraded variable speed comfort control and installation ready configuration.
Specialty of Trane 4 Ton 18 SEER 47000 BTU V/S Heat Pump Communicating System
1. Trane TrueComfort™
This 4 ton heat pump system runs at a consistent speed ensuring your indoor comfort is maintained with minimal temperature swings. This HVAC unit offers variable fan speed thanks to the V/S compressor, outdoor and indoor fan. And that’s why the unit can speed up or slow down gradually in little increments of 1/10 of one percent to make sure you experience home comfort within 1/2° of the thermostat setting.
2. ComfortLink II Communicating Capability
To match you to the communicating indoor units, the HVAC unit is equipped with ComfortLink™ II Communicating Technology. This technology allows you to connect all your heating and air conditioning components automatically. It also calibrates and configures the HVAC system for optimal efficiency throughout its lifespan, making it a strong choice when comparing a 4 ton Trane AC unit or other Trane 18 SEER systems.
3. Fresh, Clean & Healthy Air
You can add Trane CleanEffects™ to your HVAC system which will ensure you get fresh, clean and healthy air in your home, improving overall indoor air quality.
4. Efficient in Performance
With the 18 SEER rating, this 4 ton 18 SEER2 heat pump system is capable of automatically adjusting itself to provide consistent airflow and improved efficiency to avoid temperature swings and reduce energy use.
5. Quiet In Operation
When in operation, this 4 ton heat pump system works extremely silently despite being able to handle a full heating and cooling load. It operates at very low sound levels, making it ideal for bedrooms and living spaces.
6. Durable Built
This 4 ton 18 SEER heat pump system has been rigorously tested to perform in extreme conditions, ensuring long term reliability and durability for residential HVAC use.
Trane 4 Ton 18 SEER Heat Pump Communicating System Specifications
| System Specifications | Details |
| Nominal Capacity | 4 Ton |
| SEER Rating | 18 SEER |
| HSPF | 10 |
| EER Rating | 12.5 EER |
| Capacity | 47000 BTU |
| Heat Pump unit | Trane 4TWV8048A1000B |
| Air Handler unit | Trane TEM8A0C48V41DB |
| Electric Heat Strip | Trane BAYHTR1517BRKA |
1. Trane 4 Ton 18 SEER XV18 48000 BTU Variable Speed Heat Pump 4TWV8048A1000B
Key Features of Trane 4 Ton 18 SEER XV18 48000 BTU Variable Speed Outdoor Heat Pump 4TWV8048A1000B
- Climatuff Scroll Compressor for day-long quiet operation and cost efficiency
- Premium Grey Finish
- Advanced CleanEffects™ air filtration system ensuring healthier airflow
- Spine Fin Coil
- Full-Side Louvered Panels
- Corrosion-Resistant Weatherguard Fasteners
- Made from premium materials for long term durability
- Quick-Sess Cabinet with Full Coil Protection
- DuraTuff Non-Corrosive Base Pan
Specifications of Trane 4 Ton 18 SEER XV18 48000 BTU Outdoor Variable Speed Heat Pump 4TWV8048A1000B
| Heat Pump Specifications | Details |
| Nominal Capacity | 4 Ton |
| Cooling Capacity | 48000 BTU |
| Compressor | CLIMATUFF®- SCROLL |
| Coil | SPINE FIN™ |
| Heat Pump Electrical Data | Details |
| Voltage | 208/230 Volts |
| Phase | 1 |
| Frequency | 60 Hz |
| Minimum Circuity Ampacity | 28 Amp |
| Breaker Circuit Prot. Rtg. (Maximum) | 40 Amp |
| Heat Pump Dimensions | Details |
| Line Size – IN. O.D. Gas | 7/8 Inches |
| Line Size – IN. O.D. Liquid | 3/8 Inches |
| Heat Pump Height | 41 Inches |
| Heat Pump Width | 37 Inches |
| Heat Pump Depth | 34 Inches |
| Heat Pump Weight | Details |
| Shipping Weight | 259 Pounds |
2. Trane 4 Ton 2-Stage Variable Speed Convertible & Multi 3/4 HP Air Handler TEM8A0C48V41DB
Key Features of Trane 4 Ton Two Stage Air Handler
- Comfort-R technology to increase efficiency and improve airflow performance
- 4-way convertible line ensuring installation flexibility for different home setups
- No-rust polymer drain pan and galvanized cabinet to protect the unit from corrosion
- Silent operation designed for whole home comfort
- SEET™ tested (Systems Extreme Environmental Test) for proven performance in extreme conditions
- Less than 2% air leak for improved efficiency and airflow control
- Durable all-aluminum coil for long lasting performance
- Vortica™ blower motor ensures energy efficiency and lower operating cost
- ComfortLink™ II or 24V Connections to increase overall efficiency and easy control
Specifications of Trane TEM8A0C48V41DB
| Brand | Trane |
| Nominal Tons | 4 Ton |
| Stages | 2 Stage |
| Refrigerant Control | TXV |
| Model Number | TEM8A0C48V41DB |
| Series/Collection | TEM8 (M Series) |
| BTU | 48000 BTU |
| Indoor Fan Type | Centrifugal |
| Motor Speed | Variable |
| Indoor Coil | Plate Fin |
| Power Source | Electric |
| Horsepower | 3/4 HP |
| Tube Size | 3/8 Inch |
| Refrigerant | R-410a |
| F.L. Amp | 5.7 A |
| Uncrated Height | 55.75 Inch |
| Uncrated Width | 23.5 Inch |
| Unrated Depth | 21.125 Inch |
| Drain Connection | 3/4 NPT |
| Connection Size (Gas) | 7/8 Inch |
| Connection Size (Liquid) | 3/8 Inch |
| Net Weight | 174 lbs. |
3. Trane 15 kW (10.8–14.4 kW) Electric Heater BAYHTR1517BRKA with Breaker
Trane 15 kW Electric Heater BAYHTR1517BRKA with breaker is an efficient companion for the Trane air handlers that goes with the split home heat pumps or air conditioners.
Besides, the BAYHTR1505BRKC 15 kW (10.8 kW – 14.4 kW to be exact) electric heater unit also comes with the breaker.
Details of Trane 15 kW Electric Heater with Breaker BAYHTR1517BRKA
- 10.8 kW – 14.4 kW ≈ 15 kW
- 208 – 240 Voltage
- 60 Hz frequency
- Single phase
Specifications of Trane 15 kW Electric Heater with Breaker BAYHTR1517BRKA
| Brand | Trane |
| Kilowatt | 15 kW |
| Model Number | BAYHTR1517BRKA |
| Capacity | 36900 – 49200 BTU |
| Voltage | 208 – 240 |
| Phase | 1 |
| Frequency | 60 Hz |
| Height | 20.3 Inch |
| Width | 15.1 Inch |
| Depth | 9.1 Inch |
| Net Weight | 10 lbs. |
- Trane ComfortLink™ II XL1050 TZON1050AC52ZA thermostat available for an additional cost.







Ryan (verified owner) –
Great performance and very easy to use.
Dominic (verified owner) –
Great performance and very easy to use.
David (verified owner) –
Keeps every room at a perfect temperature.
Kayden (verified owner) –
Very well worth the money.
Dylan (verified owner) –
Great value—cooling is fast and even.
David (verified owner) –
Keeps my home perfectly cool. Love it!
Zane (verified owner) –
Perfect temperature control with handy app features.
Lucas (verified owner) –
Great value—cooling is fast and even.
Isaac (verified owner) –
Great performance and very easy to use.
Tyler (verified owner) –
Keeps every room at a perfect temperature.
Ryder (verified owner) –
Very well worth the money.
Nathaniel (verified owner) –
Great performance and very easy to use.