16%
Data Center
Electricity reduction on a 20-ton rooftop unit serving a 24/7 data center cooling load. 19-month payback. Independently metered.
ONE-TIME HVAC TREATMENT
Your equipment is working too hard.
Cold-Plus® fixes that.
Cold-Plus® is a one-time Synthetic Refrigerant Additive that strips oil fouling from your existing HVAC and chiller systems and keeps it from coming back. No equipment replacement. No downtime. Measurable savings within two weeks.
Cold-Plus® is the cornerstone of Inenso’s HVAC efficiency stack.
Validated in U.S. federal facility deployment · Gold Standard carbon credit eligible
WHY THIS MATTERS
Your refrigeration system has a hidden leak — and it’s not refrigerant.
From the moment an HVAC or chiller system is turned on, compressor oil begins coating the heat-transfer surfaces inside. Over time that film acts like insulation in reverse — forcing the system to work harder, run longer, and burn more electricity to deliver the same cooling.
ASHRAE — the American Society of Heating, Refrigerating and Air-Conditioning Engineers — confirms it:
- • Year 1: up to 7% efficiency loss
- • Year 2: up to 5% loss
- • Each following year: another 2% lost
- • Peaks at 20–30% efficiency loss to oil fouling alone.
Most commercial systems five years or older are running 15–30% below their rated efficiency. They’re not broken. They’re coated.
The result: you’re paying for energy you’re not getting. Every hour. Every day. Every year.
HOW IT WORKS
One treatment. Sustained efficiency. No downtime.
Cold-Plus® is a Synthetic Refrigerant Additive (SRA). It strips the oil fouling off your heat-transfer surfaces and applies a permanent molecular coating that prevents the fouling from returning — restoring your system to near-factory performance for the remainder of its operating life.
-
1
Removes Oil Fouling
Surfactants and detergents dissolve the oil film coating your heat-transfer surfaces.
-
2
Improves Pool Boiling
Inert suspended polymers act as nuclei to enhance pool boiling. Liquid-to-gas phase change happens 20% faster.
-
3
Speeds Thermodynamics
Less oil fouling improves heat and cold transfer. Nano-polymers reduce surface tension and improve refrigerant flow.
-
4
Reduces Friction
The molecular coating reduces friction throughout the system. Compressor works less. Energy consumption drops.
Results are measurable within two weeks. Cold-Plus is added to your existing refrigerant — no shutdown, no equipment changes.
INENSO’S MOST RECENT CASE STUDY
Sustained — and improved — over three years.
Inenso’s most recent case study, conducted at a U.S. federal facility, shows what Cold-Plus delivers in the real world: measurable kWh reductions immediately, and continued performance improvement over time.
0–0%
kWh Reduction Across Three Rooftop Units
Year 1 measured. Sustained and improved at the 3-year mark.
0
Independently Logged Energy Readings
Before-and-after data from third-party metering.
0%
Carbon Emissions Reduction
Calculated at the EPA standard rate of 0.857 lbs CO₂ per kWh.
Federal facility client. Year 1 and Year 3 follow-up data on file.
OTHER DOCUMENTED CASE STUDIES
Cold-Plus has performed across industries and load profiles.
The federal facility result isn’t an outlier. Cold-Plus has been measured across data centers, commercial refrigeration, transport refrigeration, supermarket racks, dairy operations, and more.
26%
Aquatic Facility Chiller
Efficiency increase on a 60-ton chiller serving a marine animal habitat. Continuous-load application.
17%
Transport Refrigeration
Fuel reduction on a Class 8 refrigerated trailer. Same work output. Less energy in.
Additional documented results available across supermarket racks, dairy operations, commercial buildings, and theaters. Contact us for the full case study library.
How it pays.
ROI SNAPSHOT
Pick the row closest to your monthly cooling bill.
$10,000 / mo
- 8%
- $9,600
- 20%
- $24,000
- 33%
- $39,600
$25,000 / mo
- 8%
- $24,000
- 20%
- $60,000
- 33%
- $99,000
$50,000 / mo
- 8%
- $48,000
- 20%
- $120,000
- 33%
- $198,000
$100,000 / mo
- 8%
- $96,000
- 20%
- $240,000
- 33%
- $396,000
Range based on Inenso’s most recent case study (federal facility client, 3-year follow-up). 8% reflects a conservative low-end estimate; 33% reflects measured high-end performance.
CFO ANGLE
A CFO-friendly upgrade.
Cold-Plus qualifies as Preventative Maintenance CapEx — a one-time, capitalizable expenditure that protects existing equipment, extends its operating life, and reduces ongoing utility expense. The savings show up on the utility bill, not the equipment replacement budget.
REPLACE THE UNIT
- × Six- to seven-figure capital outlay.
- × 12+ month procurement and installation.
- × System downtime.
- × New equipment depreciation begins on day one.
TREAT THE UNIT
- ✓ One-time treatment.
- ✓ No downtime. No equipment changes.
- ✓ Existing equipment runs better, longer.
- ✓ Savings visible within two weeks.
- ✓ Generates verifiable carbon credits as ongoing revenue.
- ✓ Qualifies as Preventative Maintenance CapEx.
VERTICALS
Built for high-load, always-on operations.
Cold-Plus delivers the highest ROI on systems that run hardest, longest, and across the largest footprints.
Casinos
24/7 cooling loads. The highest-stakes energy spend in the industry.
Housing Authorities & Public Housing
Aging stock, fixed budgets, no capital required.
Hospitality & Hotels
Always-on cooling, strong ROI, no guest disruption.
Federal Facilities
Validated in federal facility deployment. Scalable across portfolios.
Hospitals & Healthcare
Around-the-clock loads, ESG mandates, aging infrastructure.
Commercial Real Estate & Skyscrapers
NOI improvement, tenant ESG, LEED scores.
Cold Chain & Refrigerated Fleet
Walk-in coolers, supermarket racks, transport refrigeration units.
Universities & Higher Ed
LEED goals, carbon credits, no capex.
Data Centers
Cooling is everything. Even modest gains compound.
International Deployments
Cold-Plus has been deployed internationally. Contact us about your region.
FOUR WINS
Four wins from one treatment.
10–25%
HVAC Energy Savings
- •Reduce HVAC energy consumption.
- •Lower operating costs.
- •Improve system efficiency.
20%
Improved Heat Transfer
- •Improves refrigerant flow.
- •Enhances heat transfer.
- •Neutralizes oil fouling and friction.
1–3 yrs
Added Compressor Life
- •Lower compressor temperatures.
- •Reduced startup amp spikes.
- •Reduced maintenance burden.
- •Quieter system operation.
Revenue
New Revenue Streams
- •Cold-Plus generates verifiable carbon credits.
- •Inenso develops, registers, and administers credits at zero cost or admin burden.
- •Gold Standard eligible.
Cold-Plus is just the start.
Inenso has two additional HVAC efficiency technologies in development that compound directly on top of Cold-Plus results. We’ll release details as they become available — talk to us about your portfolio and we’ll map the full roadmap.
GET STARTED
See what Cold-Plus can do for your facility.
Get a free assessment and a custom savings estimate. We’ll identify your highest-ROI units and show you exactly what to expect — before you spend a dollar.