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How Much Does A Humidifier Cost To Install?

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Key Takeaways
Whole-house humidifiers have varied costs depending on type, size, and brand.
Installation can range from $400 to $1,200, depending on numerous factors.
Annual maintenance and operational costs should be considered.

$400 – $1,200 Whole-House Humidifier Cost Installed

Whole-House Humidifier Cost

Whole-house humidifiers are vital for maintaining comfortable humidity levels in your home. The cost of a whole-house humidifier can vary depending on the size of your home and the specific unit you choose. Below is a detailed table of costs based on home size:

Home Size (Square Feet)Unit PriceTotal Cost InstalledGallons Per Day (GPD)
1,000 – 2,000$150 – $280$250 – $73012
2,500 – 3,000$200 – $500$300 – $1,40017
3,000 – 5,000+$250 – $1,100$450 – $2,00018+

Average Humidifier Installation Cost

On average, the installation cost of a whole-house humidifier ranges based on various factors such as brand, type, and home size. Here are some average costs:

Whole-House Humidifier Installation Cost
National Average Cost
Minimum Cost
Maximum Cost
Average Cost Range

Furnace Humidifier Cost By Type

The cost of installing a furnace humidifier can vary significantly depending on the type of system you choose. Below is a breakdown of costs by system type:

System TypeUnit PriceTotal Cost Installed
Drum Humidifier$100 – $300$200 – $750
Flow-Through Humidifier$100 – $500$200 – $950
Steam Humidifier$300 – $1,300$500 – $2,200
Spray-Mist Humidifier$100 – $150$100 – $150 (DIY)

Drum Humidifier Cost

Drum humidifiers are among the most affordable types of humidifiers and they generally have a lower installation cost.

Flow-Through Humidifier Prices

Flow-through humidifiers are more advanced, ensuring better humidification but coming at a slightly higher cost.

Whole-House Steam Humidifier Cost

Steam humidifiers offer superior performance but are on the higher end in terms of cost due to the complexity of the system.

Spray-Mist Humidifier Cost

Spray-mist humidifiers are generally more cost-effective, making them suitable for DIY installations.

Bypass vs. Fan-Powered Humidifier Systems

The choice between bypass and fan-powered humidifier systems can influence the overall cost and efficiency of your home humidification system.

Bypass HumidifierFan-Powered Humidifier
– Cheaper and quieter– Bigger and louder
– Works well in small spaces– More efficient
– Uses the HVAC system’s airflow– Better for larger homes
– Breaks down less often due to fewer moving parts– Can run even when the HVAC system is off
– Drum and flow-through models available– Flow-through and steam models available

Central HVAC Humidifier Cost By Brand

Different brands offer a variety of HVAC humidifier models. Below is a table summarizing the costs associated with some popular brands:

BrandUnit PriceTotal Cost With InstallationWarranty Length (Years)
American Standard$300 – $1,100$400 – $2,00010
Aprilaire$130 – $1,000$230 – $1,9005
Bryant$230 – $630$330 – $1,5005 or 10
Carrier$200 – $800$300 – $1,7005 or 10
Emerson$160 – $750$260 – $1,6002
Generalaire$130 – $800$230 – $1,7005
Goodman$170 – $700$270 – $1,6005
Hamilton$160 – $200$260 – $1,1001
Honeywell$150 – $400$250 – $1,3001 or 5
Lennox$150 – $400$250 – $1,3005
Rheem$220 – $400$320 – $1,3005
Trane$200 – $900$300 – $1,8005 or 10

Aprilaire Humidifier Prices

Below is a breakdown of different models of Aprilaire humidifiers and their costs:

ModelUnit PriceMax Coverage Area (Square Feet)Gallons Per Day (GPD)
500 Small Bypass Evaporative$130 – $2003,50012
400 Water Saver Bypass Evaporative$170 – $3005,00017
600 Large Bypass Evaporative$150 – $2505,00017
700 Fan-Powered Evaporative$250 – $3505,30018
800 Steam & 865 Ductless Steam$700 – $1,00010,00011.5 – 34.6

Trane Humidifier Prices

Trane humidifiers are known for their durability and efficiency. The costs range based on the model and coverage area.

Bryant Humidifier Prices

Bryant offers a variety of humidifier options that cover different home sizes and specifications.

Whole-House Humidifier Installation Cost Factors

Several factors can impact the overall cost of installing a whole-house humidifier. Here, we dive deeper into these elements:

Labor Cost To Add A Humidifier To HVAC Or Furnace

Labor costs for installing a humidifier can vary based on the complexity of the installation and the contractor’s rates, generally ranging from $100 to $500.

Forced-Air Humidifier Installation Factors

Forced-air systems may have additional requirements, such as ductwork modifications, increasing the installation complexity and cost.

Humidistat Cost

A humidistat, which controls the humidifier, can cost between $30 and $100, depending on its features and accuracy.

Humidity Gauge Cost

A humidity gauge is useful for monitoring humidity levels in your home. Costs for these devices range from $10 to $50.

Cost To Run A Humidifier

Running costs of a humidifier differ by type. It is useful to understand these costs for budgeting:

Humidifier TypeCost To Run (Per Year)
Bypass$1 – $3
Fan-Powered$9¬ – $28
Steam-Powered$150 – $480

Humidifier Annual Maintenance Cost

Maintenance costs for a humidifier should also be considered. Regular maintenance ensures the system runs efficiently and prolongs its life. These costs can range from $50 to $150 annually, depending on the system type and frequency of service.

Humidifier FAQs

How Long Do Whole-House Humidifiers Last?

Whole-house humidifiers typically last between 5 to 10 years, depending on maintenance and usage frequency.

Is A Whole-House Humidifier Worth It?

A whole-house humidifier is worth considering if you live in a dry climate or suffer from respiratory issues, as it can significantly improve indoor air quality and comfort.

Do Whole-House Humidifiers Work?

Yes, whole-house humidifiers effectively maintain consistent humidity levels throughout a home, creating a more comfortable living environment.

Benefits Of A Whole-Home Humidifier

  • Improved Comfort: Consistent humidity levels enhance overall comfort.
  • Health Benefits: Helps reduce respiratory issues and dry skin.
  • Preservation: Protects wood furniture and flooring from drying out and cracking.
  • Energy Efficiency: Humidified air feels warmer, potentially lowering heating costs.

Who Installs Humidifiers?

Licensed HVAC contractors or plumbers typically install whole-house humidifiers. It’s important to hire qualified professionals to ensure proper installation and operation.

Where To Install A Whole-House Humidifier?

A whole-house humidifier is typically installed on the supply or return plenum of your HVAC system, ensuring optimal distribution of humidity throughout the home.

How Long Does It Take To Install A Whole-Home Humidifier?

On average, installing a whole-house humidifier takes about 2 to 5 hours, depending on the complexity of the system and the experience of the installer.

How To Install A Whole-House Or Furnace Humidifier

While it is recommended to hire a professional, some DIY enthusiasts might find it manageable. Follow manufacturer instructions carefully, ensure all electrical and plumbing connections are secure, and test the system thoroughly before use.

Finding And Hiring A Humidifier Installer

When looking for a professional to install your humidifier, consider the following:

Questions To Ask Pros

  • Are you licensed and insured?
  • Can you provide references from previous clients?
  • How many whole-house humidifiers have you installed?
  • What is your warranty policy on installation work?
  • Do you offer maintenance services?


Understanding the costs associated with installing a whole-house humidifier, from the initial purchase to maintenance, ensures you make an informed decision. We hope this comprehensive guide has provided you with valuable insights to help you choose the best humidifier for your home and hire a qualified professional to install it.

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