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4 Ton HVAC Unit Cost (by a real HVAC Company)

4 Ton HVAC Unit Cost (by a real HVAC Company)

A 4 Ton HVAC Unit Cost the average homeowner $8,640.00 to $11,604.58

4-Ton HVAC Cost Guide

Complete 4-Ton HVAC replacement cost guide
  • 4 Ton Outdoor HVAC Cost – $3,883.00
  • 4 Ton Indoor Furnace Cost – $4,757.00
  • 4 Ton HVAC System Cost – $8,640.00

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4 Ton HVAC Unit Cost Breakout

Installing an HVAC unit involves removing the old system and setting up the new one. Technicians reconnect the necessary parts such as the plenums, line sets, and drains. They are also able to add new filters, safety switches, and thermostats for better performance. All these steps affect the overall 4 ton HVAC unit cost. Our skilled professionals play a key role in ensuring a smooth installation that boosts efficiency and saves you money in the long run.

4 Ton Gas HVAC SystemEquipmentLaborTotal
Remove Indoor Furnace & Outdoor AC Unit-$400.00$400.00
Set New Indoor Furnace & Outdoor AC Unit$6,781.00$600.00$7,381.00
Reconnect Plenum, Line Set, & Drain$241.73$500.00$741.73
Install New, Filter Drier, Safety Switch, Locking Cap, & Thermostat$566.91$400.00$966.91
Calibrate & Commission System$221.81$400.00$621.81

What needs to be included in new HVAC installation

  • Pump Down The Unit
  • Remove Indoor Furnace & Outdoor AC Unit
  • Acid Flushing Line Set
  • Replace Disconnect & Whip (If Needed)
  • Install Max Circuit Protection Fuses (If Needed)
  • Install New Indoor Furnace & Outdoor AC Unit
  • Reconnect And Seal Plenum
  • Reconnect Line Set
  • Reconnect Drain Line
  • Install New Filter Drier
  • Install Safety Switch
  • Install Locking Caps
  • Install New Thermostat
  • Calibrate The System
  • Commission The System
  • Complete City Permit & City Inspection (If Needed)
  • Includes 10-year parts warranty & 2 year labor warranty
Carrier comfort AC unit pricing

Note: The installation process is critical to the long-term health and performance of the HVAC. If one of these steps is missed, it can significantly reduce the system’s useful life.

Cooling Capacity Of A 4 Ton HVAC System

A 4-ton HVAC unit typically has a cooling capacity of 48,000 BTUs, or 12,000 BTUs per ton. This system is well-suited for larger homes, generally ranging from 2,000 to 2,500 square feet. The efficiency and performance of the 4-ton HVAC unit make it an effective solution for cooling spacious residential spaces. When considering the 4 ton HVAC system cost, it’s also essential to think about your desired SEER rating, this is the ability to efficiently cool a space. A higher SEER rating provides comfort while managing energy consumption effectively.

2 Ton900-120024000
2.5 Ton1200-140030000
3 Ton1400-160036000
3.5 Ton1600-180042000
4 Ton1800-200048000
5 Ton2000-260060000


In the HVAC world, a BTU (British Thermal Unit) is a measure of heat energy. It tells us how much energy it takes to raise the temperature of a pound of water by one degree Fahrenheit. For HVAC systems, BTUs show how well they can heat or cool a space. More BTUs mean a stronger system. So, when picking an HVAC unit, you look at the BTU rating to make sure it suits the size of the area you want to heat or cool. BTUs help homeowners and our HVAC pros choose equipment that works well and keeps indoor spaces comfy. It’s a practical way to measure the efficiency of heating and cooling equipment.

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Carrier AC unit

Cooling Capacity Factors

The cooling capacity of an HVAC unit per square foot varies significantly based on several factors within a home. The age of the home is very important, as older constructions may lack modern insulation and energy-efficient features. The type of insulation used also influences cooling needs, with well-insulated homes requiring less cooling power per square foot. Additionally, your location within the United States is crucial in order to considering climate variations. Warmer regions demand higher cooling capacities due to prolonged hot seasons, while cooler climates will require higher heating capacities due to the intense winters. It’s important to notate the cooling capacity needed is a dynamic number that factors in the unique combination of home age, insulation quality, and regional climate. Our professionals customize HVAC systems to these variables ensuring you have optimal efficiency, comfort, and cost-effectiveness.

Control and Technology Cost of 4 Ton HVAC System

When considering HVAC control options, the cost of a 4-ton HVAC system varies significantly based on the type of system and its features. For example, a non-communicating 4-ton HVAC system comes at a price of $8,618.00. This lower price tag is a suitable option for spaces that do not require a lot of temperature control. On the other side, a communicating system allowing full temperature control comes at a higher cost of $14,138.00. Along with the communication option, you can begin to incorporate zoning into your system. This can enhance efficiency by allowing customized climate control in different areas, this averages out to about $4,615.00 per zone. When you’re looking to set a budget, the overall cost of a 4-ton HVAC system depends on many factors, its important to weigh these options to optimize performance and energy efficiency based on your specific needs and budget considerations.

HVAC SystemCost
Non Communicating 4 Ton HVAC Cost$8,618.00
Communicating 4 Ton HVAC Cost$14,138.00
Zoning Ductwork Cost Per Zone$1,415.00

Non Communicating Systems

A non-communicating HVAC system refers to a setup where the components such as the thermostat, furnace, and air conditioner, do not actively share information or coordinate their operations. In this system, each component operates independently, lacking the ability to exchange data for optimized performance.

Typically, non-communicating HVAC systems come in single-stage or two-stage configurations. Single-stage systems have only one level of heating or cooling output, while two-stage systems offer a low and high output setting, providing a bit more flexibility in response to varying demands. However, both systems struggle with precise temperature control because they cannot adapt in real-time to fluctuations, resulting in less efficiency and comfort. Non-communicating systems can overshoot or undershoot desired temperatures, leading to less precise climate control.

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Communicating Systems

A communicating HVAC system has advanced features that enables communication and coordination between various components of the HVAC unit to optimize performance and energy efficiency. These systems utilize sensors and controllers to exchange real-time data, allowing for precise temp control. Typically, communicating HVAC systems are the variable speed and the five stage system, with each “stage” representing a specific level of heating or cooling capacity. Unlike single-stage systems, the five-stage or variable speed systems offer greater flexibility by adjusting the output based on the current temperature needs. This allows the system to operate at a lower capacity during milder weather and ramp up to higher stages during fluctuations, promoting energy efficiency and cost savings.

Zone Ductwork

Zone ductwork in the HVAC world refers to a system where a space is divided into zones, each with its own dedicated ductwork and thermostat control. This allows for precise temperature control in different areas of a space, optimizing comfort and energy efficiency. By regulating airflow to specific zones, occupants can customize temperature settings based on their preferences and needs. Zone ductwork utilizes dampers and sensors to manage the distribution of heated or cooled air, directing it to where its needed. This system allows efficient temperature management, preventing unnecessary heating or cooling in unoccupied areas. As a result, occupants can enjoy a more comfortable environment while simultaneously reducing energy consumption and lowering utility costs, making zone ductwork an important part of modern HVAC systems.

4-Ton Humidity Control

The reason why your home is humid can be from various issues. If your HVAC system is oversized, it may cool the air too quickly, leading to insufficient moisture removal. Poor ductwork can contribute by allowing moisture to infiltrate, while improper sealing of the home enables humid outdoor air to enter. Additionally, inadequate ventilation, water leaks, or high occupancy levels can increase humidity levels. Addressing these issues by sizing the HVAC systems correctly, improving ductwork, sealing gaps, and ensuring proper ventilation, is crucial to maintaining a comfortable and healthy indoor environment with optimal humidity levels.

Home Factors That Create Indoor HumiditySolution
HVAC System Too BigReplace With Properly Sized Unit
Poor DuctworkReplace Ductwork
Home Not Sealed ProperlyHave A Contractor Seal the Home

Oversized HVAC Systems and Humidity

An oversized HVAC system can contribute to indoor humidity issues through a process known as short cycling. When a system is too large for the space it serves, it cools the air rapidly and reaches the thermostat set point quickly. As a result, the system shuts off prematurely before completing a full cycle, this shut down prevents dehumidification. The condensed moisture on the evaporator coil doesn’t have sufficient time to drain away, leading to excess humidity in the indoor environment. To fix this problem, it’s essential to appropriately size HVAC systems to match the specific requirements of your space, ensuring longer run cycles and adequate moisture removal for optimal indoor comfort.

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Poor Ductwork

Poor ductwork, specifically undersized plenums and ducts, can be a contributor to indoor humidity concerns within HVAC systems. When plenums and ducts are too small, they restrict the airflow, preventing the air from moving at an optimal rate. As the air moves too slowly through the system, it spends more time in contact with the cold surfaces, such as the evaporator coil. This prolonged contact allows the air to release moisture in the form of condensation, increasing indoor humidity. Properly sizing your plenums and ducts is crucial to ensure efficient air movement, optimal dehumidification, and overall HVAC system performance.

Home Sealing

A poorly sealed home can contribute to increased indoor humidity by allowing humid outside air in. Gaps, cracks, and inadequate insulation create avenues for moisture heavy air to enter the living space. This becomes particularly problematic during humid weather conditions. This not only compromises the comfort of the living environment but also poses potential issues such as microbial growth and discomfort. Proper sealing, which includes addressing gaps around windows, doors, and other potential points of entry, is essential to create an effective barrier against external humidity. A well-sealed home not only enhances energy efficiency but also plays a crucial role in maintaining balanced indoor humidity levels for a healthier and more comfortable living space.

4-ton Filtration

Quality HVAC filtration is essential for indoor air quality. Filters trap and remove particles, like dust and allergens, promoting a healthier environment. Clean filters not only benefit occupants by reducing respiratory irritants but also enhance system efficiency. Regular filter maintenance ensures optimal airflow, minimizing strain on the system and extending its lifespan. By preventing debris accumulation on critical parts, filters play an important role in protecting and maximizing the performance of your HVAC system.

  • Cause of Poor Filtration
  • Not Routinely Changing Filters
  • Ductwork not sealed
  • Old Dirty Ductwork
  • Home Not Sealed

Routine Filter Changes

Routine HVAC filter changes are important for maintaining an efficient system, clean ductwork, and home environment. Filters act as a front line defense, trapping dust, allergens, and particles, preventing them from circulating through your home. Regular replacements promote optimal filtration, reducing strain on your HVAC system. Improved airflow not only saves energy but also extends the system’s lifespan. By preventing debris buildup on critical components, filter changes extend and improve the overall health of your HVAC system. Also, clean filters can contribute to healthier indoor air quality, minimizing respiratory irritants.

Proper Ductwork

Properly sealed ductwork plays a crucial role in maintaining indoor air quality and promoting efficient HVAC system performance. When ducts are tightly sealed, they act as a barrier, preventing the infiltration of dirty attic air into the home. Attics often contain dust, allergens, and contaminants that, without a sealed duct system, can infiltrate the living spaces, compromising indoor air quality.
A well-sealed ductwork system enhances the effectiveness of air filtration. By preventing air leaks, it ensures that the air passing through the HVAC system undergoes filtration as intended. This increases filtration efficiency, capturing pollutants and particulate matter before they enter the living areas. As a result, you enjoy cleaner air, reduced allergens, and a healthier indoor environment.

Filter Options

HVAC systems offer various filtration options to cater to diverse needs, with 1-inch, 2-inch, and 4-inch filters being popular choices. The 1-inch filter, typically requiring monthly replacement, is cost-effective and effective against common particles, making it suitable for homes with less demanding filtration needs. The 2-inch filter, lasting up to three months, offers a balance between effectiveness and longevity, providing efficient filtration for homes with moderate air quality concerns. The 4-inch filter, designed to last up to a year, offers robust and long-lasting filtration. It is highly effective in capturing finer particles and is ideal for households with occupants sensitive to allergens. While the 1-inch filter is made for frequent replacement and basic filtration, the 4-inch option provides extended protection, minimizing maintenance efforts and ensuring sustained air quality improvements over a good amount of time. You can choose the filtration option that aligns with your specific requirements for air quality and system maintenance.


How many sq ft will a 4 ton AC unit cool?

A 4-ton AC unit is good to cool approximately 1,600 to 2,400 square feet.  Keep in mind, this estimation depends on factors like climate, insulation, local conditions and individual home features. Proper sizing is crucial for efficiency and comfort. Our professionals can help size the HVAC system to your demands and needs to ensure you get optimal comfort while being energy and cost efficient.

How much is a 4 ton AC unit?

The cost of a 4-ton AC unit depends on brand, model, and additional features. On average, prices range from $2,500 to $7,500, excluding installation. High-efficiency models or those with advanced features may be at the higher end of the spectrum. Installation costs also vary by these factors and will be specific to each system.

How much does a 4 ton carrier AC unit cost?

The cost of a 4-ton Carrier AC unit depends on the specific model and features. On average, prices range from $3,000 to $7,000, excluding installation. Carrier is a reputable brand known for their energy-efficient and reliable HVAC systems. Higher-end models with advanced features may be on the higher side of the price range. Installation costs vary and should be obtained separately.

What is the rule of thumb for HVAC?

The rule of thumb for HVAC sizing is generally 400 square feet of living space per ton of air conditioning. For a 4-ton unit, this would typically cover around 1,600 square feet. However, it’s crucial to note that this rule is a rough estimate and may not account for various factors such as insulation, climate, and specific home characteristics. Our professional HVAC technicians can perform a thorough assessment to determine the appropriate unit size for optimal efficiency and comfort.

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12 Things Every Homeowner Should Know Before Buying New HVAC

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