New Installation
We assess your home's square footage, existing ductwork layout, and current humidity levels to size the unit correctly. An undersized dehumidifier runs constantly and never catches up. We won't let that happen.
Full Time Heating and Cooling · Watertown, MN
Whole-Home Dehumidifier Installation and Repair Services
24/7 Emergency Service5.0 · 211 Local ReviewsMN License MB792165
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dehumidifier work — professional service in Watertown, MN
Signs Your Home Has a Moisture Problem Worth Fixing
Humidity problems show up in ways that are easy to overlook at first. Condensation on windows during shoulder seasons, a persistent musty smell in the basement, hardwood floors that cup or gap seasonally, and visible mold growth in corners or around ductwork are all signs that your home's moisture level is out of range. High relative humidity also makes your indoor air quality worse by creating conditions where dust mites and mold spores thrive. Honestly, a lot of homeowners run portable dehumidifiers for years and never fully solve the problem because a standalone unit can't keep up with a whole house. A whole-home system does.
dehumidifier work — professional service in Watertown, MN
How a Furnace-Integrated Dehumidifier Works
A whole-home dehumidifier connects directly to your return air ductwork, usually on the supply or return side of the furnace. Warm, humid air passes over the dehumidifier's cold coils, moisture condenses out and drains away, and the drier air continues through your existing system. You set a target humidity level, typically somewhere between 35 and 50 percent relative humidity, and the unit runs automatically whenever conditions call for it. It operates independently of your air conditioner, so it can control moisture in spring and fall when you're not running cooling at all. That's the part a lot of people don't realize: air conditioning and dehumidification are related, but they're not the same thing.
What We Cover: Installation, Repair, and Maintenance
Details below
Whether you need a new unit put in, an existing one fixed, or a seasonal check to make sure everything's draining and running correctly, we handle all of it.
New Installation
Dehumidifier Repair
HVAC System Integration
Annual Service
Quick Facts: What to Know Before You Call
These are the details that matter when you're deciding whether to repair, replace, or install for the first time.
dehumidifier work — professional service in Watertown, MN
The Repair-First Approach Applies Here Too
Our technicians are not paid on commission. Nobody on our team has a financial reason to recommend a new unit when your existing system can be fixed. That's not how we're structured, and we think it's the only honest way to run a service business. If your dehumidifier has a failed control board in a ten-year-old unit, we'll tell you repair might not be the best use of your money. If it has a clogged drain line, we'll clear it and send you a bill that reflects what the job actually was. You'll always know what we found, what it costs to fix, and what we'd do if it were our house. For anything that connects to your heating and cooling system, you can also check out our HVAC maintenance program for ongoing coverage.
Schedule Dehumidifier Service or Installation
If your home is humid in summer, damp in the basement year-round, or you're running a portable unit that can't keep up, call us. We'll assess what's going on and give you a straight answer. Full Time Heating and Cooling serves the Twin Cities metro area, and we offer emergency HVAC service for situations that can't wait. Call or text (952) 847-3387 anytime.
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FAQ Common questions
Frequently Asked Questions
Answers below
How often should a dehumidifier be serviced? +
Once a year is the standard recommendation for a whole-home unit integrated with your furnace system. The coils need to be cleaned, the condensate drain line needs to be flushed, and the humidistat needs to be checked for calibration accuracy. Skip a couple of years and you'll see a noticeable drop in moisture removal capacity, even if the unit appears to be running normally.
Can dehumidifiers be serviced, or do they need to be replaced when they fail? +
Most whole-home dehumidifiers can be serviced. Common failures include humidistat sensors, blower motors, refrigerant leaks, and condensate drain blockages. All of those are repairable. The calculation changes when a unit is more than 12 to 15 years old and has a refrigerant or compressor failure, because parts availability and repair cost start to approach replacement cost at that point. We'll walk you through that math honestly before recommending anything.
How much does it cost to have a dehumidifier repaired? +
Repair costs vary based on what failed. A drain line flush or humidistat replacement is at the lower end of the range. A blower motor or refrigerant recharge sits higher. A compressor failure on an older unit often tips the scale toward replacement. We can't give you an accurate number without diagnosing the unit first, but we'll quote you before any repair work starts. Every job is different, contact Full Time Heating and Cooling for an accurate estimate.
Is it worth getting a dehumidifier repaired, or should I just replace it? +
It depends on the unit's age and what failed. A five-year-old unit with a clogged drain or a failed humidistat? Repair it. A fifteen-year-old unit with a dead compressor? The math usually favors replacement. We'll give you a straight answer based on what we actually find, not on what generates the larger ticket. Our technicians aren't paid on commission, so there's no pressure in either direction.
What relative humidity level should a whole-home dehumidifier maintain? +
Most homes are comfortable and protected in the 35 to 50 percent relative humidity range. Below 30 percent, you'll feel it in dry skin, static electricity, and wood that starts to crack or shrink. Above 60 percent, you create conditions where mold grows, wood warps, and dust mites thrive. Minnesota basements in summer can push above 70 percent without dehumidification. The right target depends on your home's construction and how your system is set up.
Does a whole-home dehumidifier work with my existing furnace and ductwork? +
In most cases, yes. The unit mounts to your return or supply ductwork near the furnace and pulls air through its own refrigerant coils before returning it to the system. We assess duct layout, drain line routing options, and electrical access before quoting any installation. Homes with unusual ductwork configurations or finished basement ceilings sometimes need additional planning, but that's the exception rather than the rule. You can also ask us about ductless options if your layout makes ducted integration difficult.
Our promise
If we can repair it, we will.
No unnecessary replacements.You get the fix, not the invoice we would rather write.
Keep Reading
More Services
- AC ReplacementWhat a new AC unit costs depends on size and system type. No-commission techs, AirQuest Elite Dealer warranty. Call (952) 847-3387.
- Air Conditioner MaintenanceAC maintenance that keeps your system running at full efficiency all summer. Honest diagnostics, no-commission techs. Call Full Time: (952) 847-3387.
- Air Conditioner RepairAC not cooling? We diagnose it first — no pressure to replace. Fully insured, 24/7 emergency service. Call Full Time Heating and Cooling for an honest repair estimate.
- Air ExchangerAir exchanger repair, cleaning, and installation from fully insured HVAC techs. No commission pressure. Call Full Time Heating and Cooling anytime.
- Air FiltrationDirty filter or stale indoor air? Full Time diagnoses your filtration setup and recommends only what your home actually needs. Fully insured. Call anytime.
- Air PurificationWhole-home air purification installed by Full Time Heating and Cooling. UV-C lights, media filters, and iWave-R systems that actually clean the air your family breathes. Call (952) 847-3387.