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Fix it
before it fails.

Predictive maintenance software for HVAC service companies.
No hardware. Every fix priced in dollars.

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Intelligent HVAC Protection

Find problems early, fix them on your schedule, and show customers what every repair saved.

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Early Warning

Wattnest spots equipment that is quietly getting worse, weeks before it fails. In one university chiller plant, it flagged problems a median of 24 days before the platform already watching that equipment.

1/3 Lead time you can act on

Enough notice to order parts, schedule the crew, and fix it on a normal visit instead of an emergency call.

2/3 Proven on real failures

Tested on 1,500+ real fault events from operating buildings. Real data, not simulations.

3/3 No fake precision

We never claim to know the exact day something fails. We show what is getting worse, how fast, and what waiting costs per day.

Chiller · Condenser Approach WATCH condenser approach, °F critical 8.5° watch 6.0° flagged today Jan Feb Mar Apr May Jun ~81 days until critical if nothing changes · likely range 55 to 88 days

Illustrative dashboard view

Find Every Fault

Wattnest reads a building's data, finds what is wrong, and decodes what it most likely is, in plain language.

1/3 Works from day one

No training period and nothing to install. Connect the data and the first findings arrive the same week.

2/3 Plain language, clear evidence

Every alert names the equipment, decodes what is most likely wrong, and recommends the fix. Techs roll knowing what to repair.

3/3 Quiet by design

Fewer than one alert per unit per week, so your team can trust every item on the list.

Chiller · York YK Centrifugal DETECTED Condenser Fouling 99.9% confidence Most likely mineral scale building up on the condenser tubes WHY THIS WAS DETECTED Condenser approach 7.8°F now · 4.5°F usual Major factor Leaving water temp 101.3°F now · 95.0°F usual Contributing Compressor power 198 kW now · 176 kW usual Minor factor RECOMMENDED ACTION Inspect condenser tubes within 7 days

Illustrative dashboard view

Every Building on One Screen

See every customer site at a glance: what is healthy, what needs attention, and what waiting costs.

1/3 Health for every site and unit

Each building rolls up to a simple health score, so the sites that need attention surface themselves.

2/3 A short list, not an alarm flood

Raw alerts get compressed into a handful of prioritized actions per day, ranked by dollars.

3/3 Serve more customers

Give every account a client-ready view of their own buildings, and reach customers a truck-roll model can't serve profitably.

Fleet Connected UNITS 10 AVG HEALTH 76% ALERTS 5 SAVINGS $11.5K CH Chiller York YK Centrifugal FAULT TCA 7.8°F kW 198 45% R1 RTU-1 Carrier 48TC WARN SUCT 97 psi DISC 312 psi 68% R2 RTU-2 Lennox KGA NORMAL DMPR 48% SA 55.2°F 92% AH AHU Trane M-Series NORMAL SAT 55.1°F RAT 73.2°F 92%

Illustrative dashboard view

A Dollar Figure on Every Fix

Wattnest measures energy before and after each repair and turns it into a receipt your customers can read.

1/3 Measured, not estimated

Savings come from the building's own meters, priced at real utility rates. No black-box estimates.

2/3 The cost of waiting

Every open fault shows what it costs per day, so priorities argue for themselves.

3/3 Renewals backed by proof

A year-end receipt shows exactly what the service contract returned, in dollars and kilowatt-hours.

Cost Impact · Chiller Repair SAVINGS If it breaks first $12,000 to $18,000 rush labor, overnight parts, 3 to 7 days of downtime If you fix it early $2,800 to $4,200 a scheduled visit, parts on hand, no downtime YOU KEEP $7,800 to $15,200

Illustrative dashboard view

Results

Real buildings. Real numbers.

24 days
More warning before a chiller problem turned critical

Predictive maintenance: an emergency becomes a scheduled visit.

5 months
How long the typical fault sits invisible in a building

Facility owners finally see what their building is actually doing.

100%
Of repairs priced in measured dollars

Service companies show customers the true value of every contract.

< 1
False alarm per unit, per week

Monitoring your team can actually trust.

Measured on real operating buildings and expert-labeled fault records.

Send us three months of building data.

We'll send back every fault we find, each with a dollar figure. If you like what you see, we'll talk.

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Supported By

Lawrence Berkeley National Laboratory Berkeley SkyDeck Accelerator UC Berkeley UC Santa Cruz Carbon Fund NSF I-Corps