In the Lakes Region of New Hampshire, a full deep clean of a ductless mini-split costs $199 for the first indoor mini-split, and the first outdoor compressor is included in that price. After that it is $119 for each additional mini-split and $69 for each additional compressor. A wall-mounted mini-split, floor console, ceiling cassette, or ducted air handler is priced the same whether it is dusty, musty, black-specked, soot-loaded, or greasy. A one-mini-split system with its compressor is $199; a typical three-mini-split home on one compressor is $437. The minimum for a visit is $199, which a one-unit job meets exactly.
Price list2026 Lakes Region mini-split cleaning prices
| Line | Price | What it covers |
|---|---|---|
| First indoor mini-split, first outdoor compressor included | $199 | Housing off, unit bagged, coil and blower wheel washed, drain pan and condensate line flushed, louvers cleaned, filters washed, sanitized, test run — plus a low-pressure coil rinse of the outdoor unit, debris and nest check, and clearance around it |
| Each additional indoor mini-split | $119 | The same full teardown-in-place clean on every other indoor unit in the house |
| Each additional outdoor compressor | $69 | Low-pressure coil rinse of the second or third outdoor unit, debris and nest check, clearance around the unit |
The $199 minimum is the first line of that table, so any job that includes at least one indoor mini-split already meets it. The same prices apply to a seasonal maintenance visit, and the annual plan is simply two visits a year at these rates, scheduled for you with a written service record. It is a scheduling convenience, not a different rate.
Worked examples
| System | Math | Total |
|---|---|---|
| One mini-split, one compressor | $199, compressor included | $199 |
| Two mini-splits, one compressor | $199 + $119 | $318 |
| Three mini-splits, one compressor | $199 + (2 × $119) | $437 |
| Four mini-splits, one compressor | $199 + (3 × $119) | $556 |
| Four mini-splits, two compressors | $199 + (3 × $119) + $69 | $625 |
| Six mini-splits, two compressors | $199 + (5 × $119) + $69 | $863 |
| Eight mini-splits, three compressors | $199 + (7 × $119) + (2 × $69) | $1,170 |
Why does the first mini-split cost more than the rest?
Because the first unit carries the drive and the setup, and those happen once no matter how many units are in the house. Loading the truck, driving out to Meredith or Moultonborough, walking the house, laying down drop cloths, mixing the coil cleaner, filling the pump sprayer, and setting the ladder is the same block of work whether there is one mini-split on the wall or six. That cost lands entirely on the first unit, which is why it is $199.
Every unit after the first is just the cleaning. The truck is already in the driveway and the sprayer is already charged, so the second mini-split is the bib bag, the housing, the coil, the blower wheel, the drain, and the run test, and nothing else. That is what $119 pays for. It is the same clean as the first unit, done for less because the trip is already paid for.
The practical effect is that a multi-zone house gets cheaper per unit the more units it has. A one-mini-split job is $199 a unit. A three-mini-split home on one compressor is $437, or about $146 a unit. A six-mini-split home on two compressors is $863, or about $144 a unit. Outdoor units work the same way: the first one rides along with the indoor price, and a second or third is $69.
Per mini-splitHow much does a deep clean cost per mini-split?
$199 for the first one with its compressor, then $119 for every mini-split after that. It does not matter whether a unit hangs on a wall in Gilford or sits in a ceiling in Meredith, or whether it was cleaned last spring or has never been opened. Count the indoor units, count the outdoor boxes, and the quote is done.
A deep clean is not a filter rinse. The technician removes the front housing and louver assembly, hangs a bib bag under the unit to catch water, applies a coil cleaner to the evaporator, scrubs or removes the blower wheel, flushes the drain pan and condensate line, and rinses everything with a pump sprayer. The parts that make a unit smell and lose airflow are the coil, blower wheel, and drain pan, and none of them can be reached without opening the unit.
Mold and odorIs a moldy or smelly mini-split more expensive?
No. Condition does not change the price. A mini-split with black growth on the louvers or a sour smell on startup costs exactly what a dusty one costs. The clean it gets is the same teardown in place: coil cleaner on the evaporator, the blower wheel scrubbed or pulled, the drain pan and condensate line flushed and sanitized, the louvers cleaned, and a run test at the end. Because every mini-split gets that, there is no mold rate to move into and no surcharge for what we find inside.
The Lakes Region climate drives this. Humid summers off Winnipesaukee, Squam, and Newfound keep the indoor coil wet for months, and the EPA's guidance on mold and moisture is blunt: mold grows wherever moisture is present. A coil that never fully dries between cycles is exactly that surface. Seasonal camps in Moultonborough or Alton that get closed up damp in October come out of winter with the worst of it.
Cheap offersWhat does a $79 tune-up usually leave out?
Low-priced tune-up ads, generally $79 to $150, pay for filter washing, a wipe of the housing, a look at the remote settings, and a glance at the outdoor unit. What they leave out is everything inside: the coil, the blower wheel, the drain pan, and the condensate line. A tune-up and a teardown deep clean are two different products, not two prices for the same one, and the parts a tune-up skips are the parts that cause odor, weak airflow, and drips. That is why the cheap visit rarely fixes the problem you called about.
- Ask whether the front housing comes off the unit. If not, the coil is not getting cleaned.
- Ask whether a bib bag and pump sprayer are used. That is how a coil gets rinsed on the wall without soaking your floor.
- Ask whether the blower wheel is cleaned. A furry blower wheel is the single biggest airflow loss in a dirty mini-split.
- Ask whether the drain line is flushed. A plugged drain is the most common cause of a leaking indoor unit.
- Ask what the first unit costs, what each unit after it costs, and whether the outdoor unit is included, before booking rather than after.
What does not move the number
The tier structure is the only thing that changes a quote. What we find when the housing comes off does not.
Visible growth on the louvers or a persistent smell on startup does not add a dollar. The sanitizing step is part of every clean, not a separate treatment.
A mini-split over a wood stove in Franklin or Bristol, or one above a kitchen range, gets the same coil cleaner and blower wheel scrub at the same price as a clean one.
Mitsubishi, Fujitsu, Daikin, LG, Gree, and the rest all come apart the same way for a teardown in place. Brand does not change the price.
Wall-mounted mini-splits, floor consoles, ceiling cassettes, and ducted air handlers all price the same. So does a mini-split above a stairwell or under a cathedral ceiling.
A unit put in last season and a fifteen-year-old one on its original blower wheel cost the same to clean. Age is not a surcharge.
A unit cleaned last year and a unit that has never had its housing off in eight winters are the same price. The second one takes longer; that is the job.
A slime-plugged drain line clears during the clean at no extra charge. A drain routed uphill or a failed condensate pump is a repair rather than a cleaning, and it sits outside the price list.
CountingHow to count your units
Each indoor unit on a wall, ceiling, or floor is a mini-split. Each outdoor box is a compressor. Price the first mini-split at $199, which carries the first compressor with it, then add $119 for every other indoor unit and $69 for every other outdoor unit.
A single-zone system is one mini-split on one compressor, which is $199. A multi-zone system runs several mini-splits off one outdoor unit, so three mini-splits on one compressor is $437. A larger home with two outdoor units feeding four mini-splits is $625, and the same four mini-splits on a single outdoor unit would be $556. If you are not sure what feeds what, count the outdoor boxes and the indoor units separately and the quote follows from those two numbers.
ContextHow Lakes Region pricing compares
Across the country, a genuine deep clean with the housing removed typically runs $150 to $400 per mini-split. Closer to home, the specialists who do this work in New England price a single indoor unit with its outdoor compressor at $175 at Midcoast Heatpump Cleaning in Maine, about $203 at MAC Heat Pumps in Maine, $218 at Fresh Air Solutions in Charlestown, New Hampshire, $225 at the Energy Co-op of Vermont, and $299 at Mansfield Services in Vermont. The median of those is about $218. Our $199 for the same one-unit job sits below all but one of them, in the middle of the market rather than at the bottom of it.
It is worth being straight about the comparison. We are not the cheapest number you will see advertised, and a $79 tune-up will always undercut us, because it is a different job. What $199 buys is a teardown: the housing off, a bib bag hung, the coil and blower wheel washed, and the drain flushed. Against New Hampshire HVAC labor at $150 to $200 an hour, or a chimney sweep at $250 to $425 for a job of comparable length, a deep clean at $199 is priced like the skilled trade work it is.
New Hampshire also has some of the highest residential electric rates in the country, which changes the math on skipping maintenance: the U.S. Energy Information Administration put the state's average residential price at 27.01 cents per kilowatt-hour in June 2026 against a national average of 18.34 cents.
Is professional cleaning worth it?
The U.S. Department of Energy states that the energy-use difference between a well-maintained heat pump and a severely neglected one can range from 10% to 25%, and that dirty filters, coils, and fans reduce airflow and can damage the compressor. On a two-mini-split, one-compressor home at Eversource or NHEC rates, that range works out to roughly $135 to $340 a year in electricity against a $318 clean. At the neglected end that covers most of the job in the first year; at the maintained end it takes longer, and the odor, the comfort, and the compressor life are doing the rest of the work. The dirty coil energy cost guide works the numbers for a typical Lakes Region home.
FAQCost questions homeowners ask
How much does it cost to have a mini-split cleaned in New Hampshire?
$199 for the first indoor mini-split, with the first outdoor compressor included, then $119 for each additional mini-split and $69 for each additional compressor. One mini-split and one compressor is $199; three mini-splits on one compressor is $437. The minimum for a visit is $199, which a one-unit job meets exactly.
Why does the first one cost more than the rest?
The first unit carries the drive and the setup, and those happen once. Loading the truck, driving out, laying drop cloths, and setting up the ladder and sprayer is the same work for one unit as for six. Everything after the first is just the cleaning, which is why additional mini-splits are $119.
Is a moldy or smelly mini-split more expensive?
No. Condition does not change the price, so a black-specked or sour-smelling unit costs the same as a dusty one. Every mini-split gets the same teardown-in-place clean: coil, blower wheel, drain pan, condensate line, louvers, sanitizing, and a run test. There is no mold rate and no surcharge for what we find inside.
How do I count mini-splits and compressors?
Each indoor unit on a wall, ceiling, or floor is a mini-split. Each outdoor box is a compressor. The first mini-split is $199 with the first compressor included, then add $119 per additional mini-split and $69 per additional compressor. Three mini-splits with one outdoor unit is $437.
What does a $79 tune-up usually include?
Filter washing, a housing wipe, a remote check, and a look at the outdoor unit. It rarely includes opening the unit to wash the coil, clean the blower wheel, or flush the drain, which are the steps that fix odor, airflow, and drip complaints. It is a lesser job, not a cheaper version of the same one.
Is professional cleaning worth it?
DOE puts the energy-use gap between a maintained and a neglected heat pump at 10% to 25%. At New Hampshire rates that is roughly $135 to $340 a year on a two-mini-split, one-compressor home against a $318 clean, before counting odor, comfort, and equipment life.
Related guides: How often a mini-split should be cleaned in NH, washing the filters vs. a real deep clean, and what a dirty coil costs in electricity. See the full mini-split deep cleaning service for what is included in every visit.