Families make facility decisions within the first 90 seconds of a tour. When air quality is poor — or there’s a noticeable odor — they rarely say why. They just don’t call back. Rensair is a Smart Demand Control Ventilation (SDCV) system — it measures PM2.5, VOCs, and humidity in real time, removes what’s causing the problem at the source, and gives you live data to show every family who walks through the door. Cleaner air also means healthier, happier residents and staff — and lower turnover on both sides. Most facilities are flying blind on all of it.
An analysis of 273,000 online reviews of senior living communities found that cleanliness — including odors — is the single most cited topic, appearing in close to 25% of all reviews. During a sales tour, the presence of odors often serves as a proxy for care quality. Families rarely articulate it; they simply don’t convert. Seniorly + Skypoint analysis, 2023.
The challenge is familiarity. Staff who work in a facility daily adapt to its air. But a prospective resident’s family member walking in for the first time has no such adaptation. Standard HVAC systems and DCV units measure CO₂ — a proxy for occupancy, not air quality. VOCs and PM2.5 from daily facility activity are what actually create odor and poor air quality. Rensair SDCV measures and removes them at the source.
VOCs and PM2.5 from HVAC systems and daily facility activity are the invisible cause of the “institutional” impression families form in the first 90 seconds. HEPA H13 + UVC filtration removes these at the source — before the tour starts, before the conversation begins.
During a tour, show families the Rensair Cloud IAQ dashboard — real PM2.5 and VOC readings in real time. 96% of families rate cleanliness as “extremely important” when choosing a community. Now you can prove yours meets that standard. Ecolab consumer study.
Air quality isn’t an amenity — it’s infrastructure. 68% of senior living residents have existing respiratory conditions. Staff operate in the same environment every day. Families make decisions based on what they sense the moment they walk in. Rensair’s HEPA H13 + UVC + VOC triple-layer filtration system — independently validated by the Danish Technological Institute, IndoorScience (US independent lab), and deployed in NHS care settings in Liverpool — removes 99.97% of airborne particles, viruses, bacteria, and odor-causing compounds. The result is measurably better air for every person in your facility, every hour of the day.
Rensair Core i achieves 99.97% removal of particles, viruses, and bacteria — tested and certified by the Danish Technological Institute and IndoorScience (US independent lab). Deployed in NHS Liverpool care settings and validated across senior living, hospital, and education environments. Rensair Cloud provides continuous, timestamped PM2.5, VOC, and temperature data — supporting CMS survey readiness, state licensing reviews, and infection prevention program documentation.
One operator in your market is already using air quality as a tour differentiator. The question is whether it’s you.
The industry’s average tour-to-move-in conversion rate is 23.7% (Bild & Co, 2024). With a median assisted living length of stay of 22 months (NCAL), even a 2-percentage-point improvement in conversion — driven by verifiably cleaner air — compounds into significant annual revenue across a portfolio. Model your numbers below.
Adjust inputs to your portfolio. Outputs update instantly.
A standalone unit that works with your existing HVAC system. Place it in your dining room, common areas, or memory care hallways — no installation, no construction. Families can see it. That visibility is part of the tour strategy.


Rensair Cloud gives you a live dashboard of PM2.5, VOC, CO₂, temperature, and humidity — in real time, in every common area. The operators converting at the highest rates are pulling this dashboard up during tours. Families see a number. The conversation about smell and cleanliness ends before it starts.
Learn about Rensair Cloud →Rensair is deployed across senior living operations managed by the largest senior living investors — representing more than 2,500 facilities under management combined. Independent validation has been conducted by the Danish Technological Institute, IndoorScience (US independent lab), and NHS care settings in Liverpool. Sonida Senior Living is among active US senior living operators with Rensair deployments. Operators choose Rensair not because it’s a feel-good add-on, but because it generates data their sales teams can use on every tour.
Schedule a free, no-obligation site visit. Rensair’s team will walk your facility, assess your common areas, and show you exactly what a pilot would look like — and what it would mean for your tour conversion numbers.
Schedule Your Free Site Visit →No cost. No commitment. Results in 90 days.