Whole-house humidifier costs vary based on the type and size of the unit, along with other factors. The price might be worth it for people living in dry regions.
Whole-House Humidifier Pros and Cons: Are Humidifiers Worth It?
Breathe more comfortably during the dry season
Get quotes from heating and air conditioning pros near you
No obligation · 100% free
Get quotes from heating and air conditioning pros near you
No obligation · 100% free
Need Help With a Project? Connect With a Pro
A whole-house humidifier connects to your HVAC system and adds moisture throughout your entire home, helping relieve dry air during cold months.
Typical costs range from $400 to $760 for professional installation, and your investment helps improve air quality while reducing heating costs.
Proper maintenance prevents mold growth in your system, so check water quality and clean components regularly to keep humidity levels balanced and safe.
Hiring a local HVAC company provides expert installation that integrates smoothly with your heating system, helping you avoid over-humidification issues and mold concerns.
Get quotes from up to 5 pros!
Enter a zip below and get matched to top-rated pros near you.
If you’re considering installing a whole-house humidifier, you’re likely wondering about its pros and cons. These humidifying systems cover your entire home, while portable ones are for single rooms. Let’s review the benefits and drawbacks of whole-house humidifiers, and when to hire a professional to install or repair one.
“Low humidity levels, below 30% to 35% relative humidity, can be detrimental in the long run. Very dry air can make throats feel scratchy and amplify allergies, besides the discomfort of dry eyes, skin, and lips. Static electricity significantly increases in areas of very low humidity. Sustained low humidity levels can also cause issues with indoor furnishings, including hardwood floors, wood furniture, books, musical instruments, and fine art."
– Terry, Licensed HVAC Technician and Owner of Terry's A/C & Heating, Richmond, TX
Marvin Samuel Tolentino Pineda / iStock / Getty Images Plus / Getty Images
What Is a Whole-House Humidifier?
A whole-house humidifier is designed to add moisture to your entire home and efficiently manage its moisture levels. The complex system is incorporated into your existing heating and cooling unit, which allows it to push the moisture through the ductwork.
Marvin Samuel Tolentino Pineda / iStock / Getty Images Plus / Getty Images
| Pros | Cons |
|---|---|
| Enhanced air quality | High upfront costs |
| Can boost home value | Risk of mold and mildew |
| Better humidity control | Professional installation costs |
Pros of a Whole-House Humidifier
There are several benefits to installing a whole-house humidifier, which can help you decide if it’s the right move for your needs.
1. Improved Air Quality
When moisture is added into the air in your home, it helps reduce harmful dust and allergens that are present in dry conditions. Improving your home’s indoor air quality is beneficial to anyone who is prone to allergies or has upper respiratory issues.
2. Added Energy Efficiency
Higher humidity levels can make your home feel warmer, which could lead to less output from your heating unit and lower overall heating costs.
3. Low Maintenance
Since a whole-house humidifier is integrated into your heating and cooling system, there’s less need to maintain it outside of a HVAC inspection. Plus, you don’t have to continually clean or add water to it like you would a portable humidifier or air purifier.
Cons of a Whole-House Humidifier
Just as there are benefits to a whole-house humidifier, there are some downsides to keep in mind when evaluating the purchase.
1. High Upfront Cost
The cost for a whole-house humidifier ranges from $400 to $760, including installation services. Your total bill will range depending on the type and size humidifier you need to service your entire home.
2. Potential Over-Humidification
While extra moisture in dry air can be beneficial, too much moisture can lead to more significant problems, such as the risk of mold growth and damage to your home’s structure or furnishings.
3. Water Quality Problems
For the water added into your air to be helpful instead of harmful, you will need access to high-quality water. If your water source is contaminated or contains impurities that can add harmful elements into your air, you may want to consider a different route for a humidifier.
Types of Whole-House Humidifiers
There are three main types of whole-house humidifiers: bypass, fan-powered, and steam humidifiers.
Bypass humidifiers use a furnace to produce warm air from your home’s heating ducts. The warm air then passes through a water tray, gathering moisture and passing it back into your home’s air. A local HVAC company can install them into your central air system. If you don’t have a floor drain, you can choose a drainless version. One perk of a drainless bypass humidifier is that it reuses its water supply, which means less water use overall.
A fan-powered humidifier is similar to a bypass humidifier. The main difference is that it uses a fan to push the warm air through the water tray and produces about a gallon more daily humidity. Fan-powered humidifiers are also more energy-efficient.
Steam humidifiers use electricity to boil water and produce steam, which travels through your vents and into your home’s air. Steam humidifiers are highly efficient at producing humidity.
Alternatives to Whole-House Humidifiers
Not sure a whole-house humidifier is right for your home? Consider these alternative options:
Portable humidifier: If you only need to add moisture to a single room or area, consider purchasing a portable variety, which is much less expensive and easy to set up.
Vaporizer: A vaporizer is a small appliance that uses heated water to create a fine mist to add moisture to the air.
Is a Whole-House Humidifier Right for You?
Whole-house humidifiers are a worthwhile investment for homeowners who are prone to allergies or other respiratory issues. If you live in a dry climate, a whole-house humidifier can circulate some much-needed moisture throughout the home.
If you live in a wet, rain-heavy climate or your home is prone to moisture-related issues, such as mold or mildew growth, installing a whole-house humidifier may not be a wise decision. Consult a local whole-house humidifier installer who can inspect your home and help you determine whether that type of installation is right for you.
Common HVAC Add-Ons
When hiring an HVAC professional, you should consider bundling your service with add-ons to save on total labor costs. According to Angi data, 42% of customers report adding central AC services, and 13% requested installing a zoning system or thermostat. Other popular add-ons include HEPA filters, heat pumps, and humidifiers.
Frequently Asked Questions
Heating and air conditioning services reviews from real Angi homeowners in Columbus, OH
4.5★ avg. • 115 total reviews
- Dawn G.
This service was great. My air conditioner went out during the heat spell that we had. My husband has health issues and they came out that night and at 9:30pm the air conditioner was fixed and running. We are sooo very thankful, this is the company I will be using from now on and would...
Mr. Mechanical Ohio - Justin Y.
I normally do not leave reviews, but my experience with Worthington Air was extremely frustrating and disappointing. About 30 days ago, I had a consultation done for an HVAC replacement and was quoted approximately $15,079. Based on that quote, I applied for financing through their company...
ARS Columbus Worthington Air - Peggy B.
I recently moved to another state and chose United Trust Van Lines after comparing several companies. Their team was punctual, professional, and extremely careful with my belongings. I was especially impressed with how they handled my home office setup and fragile items. Everything arrived on...
United Trust Van Lines, LLC - Jeanann S.
Very professional, knowledgeable and helpful! Completed the install on time and as expected.
Ward's Services - Adam E.
Cole has been handling plumbing and general contracting for our four properties over the past three years, and he’s always done a great job. Most recently, he installed a sink and countertop in our retail store where none existed before, and it turned out exactly how we needed. He’s...
ANB Renovations LLC - Tom T.
We have bought and sold numerous times over the past 50 years. Sherman Hall and Top Line are top notch. Thorough and detailed, he explains every possibility, probability, and eventuality. High class and pleasant. The best.
Top Line Home Inspections, LLC - Aaron G.
Very easy to talk to, helped me enormously and will be back for more projects I have. Quick and knowledgeable, very professional and a high quality personality!
Elwood's Mobile Welding - Stacy S.
Couldn't ask for a better company. Josh and Dee were Very professional, efficient, courteous and takes major pride in their work. They will travel to come to your home and will still give you a fair price. They are honest and trust worthy. Their focus is on their work and their work is...
Supreme brick & chimney - Scott S.
It was a difficult job and Robert and his son worked diligently to get it done.
- Carl D.
I had a tight deadline for a commercial painting project, and Custom Paint Jobs LLC delivered on time and within budget. Their efficiency and quality are top-notch.
Custom Paint Jobs, LLC
The homeowners guide to heating and air conditioning services
From average costs to expert advice, get all the answers you need to get your job done.
Whole-house fans can help reduce your electric bills by providing ventilation and cool, fresh air. Use this whole house fan cost guide to price out the project.
Whole-house air purifier costs depend on a variety of factors, including your home’s size and layout. The type of purifier you choose matters, too.
A whole-house humidifier costs between $400 and $800, but can have an ROI of 40%. Learn if adding this HVAC appliance is worth it for you.
Who installs whole-house humidifiers? Learn more about hiring a licensed HVAC technician to install a whole-house humidifier.
•Looking for a qualified whole house humidifier company? Learn how to find, vet, and hire the right HVAC pro for your indoor air quality needs.