Results

Before & after — what a Luften program actually changes

Real numbers from real properties. Complaint volume, H₂S readings, service-call frequency, and cost — measured before we started and after the program was tuned in.

Program averages

−92%

Average reduction in odor complaints across managed properties

−94%

Average H₂S reduction in treated ejector pits & lift stations

11 → 2 days

Average time from complaint to resolution under a managed program

Averages across active Tri-State properties. Individual results below.

Luxury residential tower · Manhattan

Trash chute odor complaints across 62 floors

High-rise condo with recurring chute odor flagged in 40+ monthly resident tickets. We installed Aero units at chute intakes and dosed the shaft on a monthly cadence.

Monthly odor complaints
Before
42
After
3
−93%First 60 days
Chute-related service calls
Before
9 / mo
After
1 / mo
−89%First 90 days
Resident satisfaction (odor category)
Before
2.4 / 5
After
4.6 / 5
+92%Quarterly survey
Multifamily portfolio · Brooklyn

Ejector pit H₂S in a 200-unit sub-basement

Building engineer flagged sulfur smell in the mechanical room. Dräger sampling confirmed H₂S above OSHA's 10-ppm action level. Program: encapsulation dosing + monthly monitoring.

H₂S peak reading
Before
18 ppm
After
<1 ppm
−94%30 days
Corridor odor complaints
Before
17 / mo
After
0 / mo
−100%60 days
Emergency service dispatches
Before
3 / mo
After
0 / mo
−100%90 days
Full-service hotel · Midtown

Guest corridor odor complaints on 3rd–8th floors

Persistent musty odor on lower guest floors tied to sub-basement laundry drain venting. We treated drain lines, installed corridor Aero units, and rebalanced BOH pressurization guidance.

Odor mentions in guest reviews
Before
11 / mo
After
1 / mo
−91%First quarter
Front-desk odor complaints
Before
24 / mo
After
2 / mo
−92%First 60 days
Room comps related to odor
Before
$3,400 / mo
After
$180 / mo
−95%Rolling 90 days
Skilled nursing facility · Queens

Resident-corridor urine odor

180-bed facility with persistent urine odor in three resident wings. Aero atomization deployed on staffing-aligned schedule with corridor encapsulation chemistry.

Family odor complaints
Before
14 / mo
After
1 / mo
−93%First 60 days
Staff overtime on odor cleaning
Before
42 hrs / mo
After
6 hrs / mo
−86%First 90 days
State inspection notes (odor)
Before
3 / yr
After
0 / yr
−100%Rolling 12 months
Grocery chain · New Jersey

Grease trap and back-of-house drain odors across 6 stores

Regional grocer with chronic FOG buildup, drain flies, and back-of-house odor tickets. Program: monthly grease recovery visits + drain-line encapsulation dosing.

Emergency drain-line callouts
Before
5 / mo
After
0 / mo
−100%6-month rolling
Grease trap pumpout frequency
Before
Every 6 wks
After
Every 16 wks
−63% costAnnualized
Health inspection points (odor/pests)
Before
8 / yr
After
1 / yr
−88%Annual
Municipal lift station · Long Island

H₂S corrosion and neighborhood odor complaints

Wet well showing accelerated concrete corrosion and generating recurring 311-style odor complaints from adjacent homes. Encapsulation dosing program deployed with monthly monitoring.

H₂S average headspace reading
Before
48 ppm
After
4 ppm
−92%60 days
Neighborhood odor complaints
Before
12 / mo
After
0 / mo
−100%First quarter
Projected wet-well relining timeline
Before
3 yrs
After
12+ yrs
4× lifeCorrosion modeling
Numbers come from client-reported complaint logs, service-call records, and on-site H₂S sampling (Dräger tubes and electronic monitors). Property names withheld under standard confidentiality; case-level detail available on request.

Want numbers like these at your property?

Book a site walk. We'll baseline your current complaints and quote a monthly program.

Call NowWhatsApp