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Description
Refoss Smart Home Energy Monitor, Native Open API & Web UI (No Cloud Required), Real Time Electricity Usage Monitor, Power Consumption Meter Works with Home Assistant & MQTT, Solar Net Metering, ETLLOCAL CONTROL & DATA PRIVACY: Access your home energy monitor data locally via Built in Web UI, Open API, and MQTT without relying on cloud services. Unlike cloud dependent monitors, Refoss ensures your data stays within your home network. Direct local access protects your privacy while giving you 100% full control of your home energy system even during internet outages. NATIVE HOME ASSISTANT & OPENCLAW AI: Experience seamless Native Home Assistant
- LOCAL CONTROL & DATA PRIVACY: Access your home energy monitor data locally via Built-in Web UI, Open API, and MQTT without relying on cloud services. Unlike cloud-dependent monitors, Refoss ensures your data stays within your home network. Direct local access protects your privacy while giving you 100% full control of your home energy system even during internet outages.
- NATIVE HOME ASSISTANT & OPENCLAW AI: Experience seamless Native Home Assistant integration right out of the box—no firmware flashing or complex coding required. Featuring ✨NEW✨ OpenClaw Support, it enables AI-driven automation for smarter, real-time energy management and seamless smart home control.
- MAXIMIZE SOLAR & ZERO FEED-IN AUTOMATION: Designed for solar homes, the power monitor works with the Refoss app and Home Assistant to automatically use surplus solar power. Appliances like EV chargers, washing machines, and water heaters are powered during midday peaks, maximizing solar self-consumption and reducing low-value electricity feed-in to the grid. Optimizes usage and reduces bills.
- REAL-TIME MONITORING & ±1% ACCURACY: Monitor voltage, current, active power, and power factor of major appliances. Provides ±1% accuracy (200A: 2–200A; 60A: 1–60A) and ±2% at low current. Daily data stored up to 5 years and exportable. With no subscriptions or hidden fees, you get deep historical insights to help you identify every energy-saving opportunity and save 10–20% on monthly bills.
- SMART ALERTS & CIRCUIT-LEVEL CONTROL: Set usage targets for each individual circuit and receive instant alerts when appliances exceed normal consumption. Refoss app supports automation and peak management to optimize schedules, reduce peaks, and improve efficiency. Real-time electricity usage monitor for circuit-level insights.
- ETL CERTIFIED & NON-INVASIVE INSTALLATION: ETL certified and compliant with UL 61010 safety standards for safe installation and operation. Supports 2 main circuit sensors (2–200A each) and 16 branch sensors (1–60A each) with easy clamp-on installation. Fits most home circuit panels and includes a 2-year warranty with responsive support for reliable long-term monitoring.
Product description
See whole-home power in one clear system. Without this granularity, you are guessing. You might know your bill is high, but you won’t know that an aging garage refrigerator is drawing excessive power 24/7, or that a “vampire load” is adding $10 to your bill every month while devices are “off.”
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Data Privacy Is a Non-Negotiable for You
Supports JSON-RPC 2.0 via HTTP, Webhooks, MQTT for seamless data exchange and smart device control.
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100% Local Control — Never Leaves Your Network
Manage your devices from anywhere via browser without any app required.
1 Local Open API 2 Built-in Web UI 3 Native Home Assistant 4 EV Charging 5 Battery Charging
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16 Channels Monitor All Home Circuits
Monitor home energy use: 2x200A mains + 16x60A branches, track device use from AC to EV chargers.
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See Every Appliance’s Energy Use
Track monthly energy use and cost by device. Find high-energy users and cut your bills.
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Net Metering for Solar
Monitor solar or wind output in real time. Track self-generated power and feed-in energy accurately.
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Set Limits to Prevent Excessive Use
Set power limits for devices. Get instant alerts to spot unusual use and avoid extra costs.
1 Cut Energy Waste Now 2 Low Bills, Fast Payback 3 Solar Power, Zero Waste 4 Preventive Monitoring
1 Reverse CT Readings 2 Manage Peak Demand 3 Electricity Records 4 Power Factor Tracking 5 Customize Channel Names
Certified, Reliable, and Built for Home Use
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ETL Certified for Safety
ETL certified, UL 61010 compliant, high-quality clamp-on CTs, built for long-term home use.
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Energy Monitor Size
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Circuit Sensor Size
- The Refoss Smart Home Energy Monitor is built for the Total System Health enthusiast — someone who values privacy.
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Does the Refoss EM16P work without Home Assistant?
Yes, it works standalone with its own app for real-time circuit data, history, and solar monitoring. Home Assistant integration is optional but adds automations, custom dashboards, long-term logging, and circuit-level triggers.
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Why is my electricity bill so high?
Appliances like refrigerators, dryers, or EV chargers quietly use a lot of power. This smart power tracker monitors real-time usage per circuit, helping identify high-energy devices and reduce electricity costs by 10–20%.
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I don’t want my energy data sent to the cloud. Is it safe?
Yes. All data stays local. Access and manage it via Web UI or local API—no cloud, full control, and easy integration for smart home or automation setups.
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Am I wasting solar energy?
Excess solar power often goes unused. A solar power optimizer tracks solar production and automatically directs surplus energy to appliances such as heat pumps or dishwashers, boosting self-consumption and reducing electricity costs.
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How can I spot energy-hungry or faulty appliances?
The fastest way to get an ROI is eliminating Vampire Loads — devices that draw power even when “off.” Refoss alerts you to unusual or peak consumption so you can fix them before they drive up costs.
Technical Specifications
| Channels | 2 main circuits (Max. 200 A) + 16 branch circuits (up to 60 A per branch) |
| Accuracy | 200A CT: ±1% (2–200A), ±2% (1–2A), ±5% (0–1A); 60A CT: ±1% (1–60A), ±2% (0–1A) |
| Local Storage | Minute-level data, up to 7 days |
| Cloud Storage | Daily: up to 5 years; Hourly: up to 2 years; Minute: up to 2 months |
| Data Export | Free data export via Refoss cloud |
| Open API | Supports MQTT, HTTP, JSON-RPC, WebSocket & Webhooks for seamless device integration |
| Home Assistant | Smart home automation, solar management, and EV charging with Home Assistant |
| Refoss App | App supports automation rules, channel merging, CT inversion, peak demand |
| Solar | Solar PV monitoring & net metering support |
| Measurements | Voltage, Current, Active & Reactive Power, Energy, Power Factor |
| Connectivity | 2.4 GHz Wi‑Fi + Bluetooth for setup and communication |
| System Compatibility | Single-phase, 2-wire; Single-split phase, 3-wire; 3-phase, 4-wire Wye systems with earthed neutral (TN or TT, no Delta) |
| Antenna | High-gain external antenna for stronger Wi-Fi reception |
| Processor | High-performance ESP32-D0WDR2-V3 CPU, 100–240V~, 50/60Hz |
| After-sales Service | Lifetime |
| Safety | ETL Certified, UL 61010, FCC, IC, RoHS, CPF |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Works Great!!!
Size: 18"X24"
I have 2 pugs and have trained them to "go" on a grid. I started with another brand (Klean Paws) but found this brand (Petphabet Puppy Training Pad Holder) to be superior in several ways. This training pad holder is designed much better. The plastic grid is well supported so the puppy does not get wet paws when waling on the grid. The overall design of the training pad holder makes it very easy to replace training pads. Standard training pads (17.5" x 23.5") fit the medium Petaphet puppy training pad holder perfectly. Just lay the pads flat on the bottom, place the grid on top and clip it all into place with the frame. The frame holds everything in place and keeps any loose ends, hidden from mischievous puppies.
It takes a lot of effort to train puppies to "go" on a grid, but it's worth it. I started with one grid in a crate. Then, I gaited off my kitchen area, with 4 medium grids (as shown in the video). You cannot expect a puppy or dog to just go to one spot and do their thing. Dogs like to sniff and walk around before they "go." They need room. I suggest 2 medium girds per medium-sized dog. I have 2 pugs and 4 grids. I reward them with a pinch of peanut butter, whenever I see them go on the grid. I simply pickup the #2 with TP and flush it down the toilet. I replace the pads, in the 4 grids, once a day.
NOTE: The sellers of the dog training pad holders seem to come and go. If you cannot find this particular training pad holder, do a search for Mesh training pad holder. Be sure to get a training pad holder that has 3 parts -- the bottom tray, the mesh grid, and a frame that holds it all together. Some of the simpler grids have just 2 parts (bottom tray and top). They are simpler, but do NOT keep paws dry.
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Reviewed in the United States on October 1, 2018
★★★★★ 4
Good quality, but my dog didn’t like it
Size: 24"X24"
The product arrived in perfect condition and looks well made. It’s sturdy and easy to clean, so I can see it working well for many dogs. However, my Cavapoo (17 lbs, 1 year old) never liked it. I tried for several weeks, but there was no way to get him to use it. I think it depends on the dog’s preference. For us, it didn’t work, but the product itself is good quality.
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Reviewed in the United States on August 20, 2025
★★★★★ 5
Excellent pee pad tray has "legs" to keep feet off of the pad
Size: 18"X24", Size: 18"X24"
My 10 week old Pekingese learned quickly to use it, and Pekingese are a very stubborn breed. We started training her by removing the grid because she was used to paper. It snaps out easily. We used pee pads with sticky tabs to attach the pad, then snapped the "frame" in place without the grid. Within a few days, she had figured it out, so we snapped the grid back in so her feet never touch the used pad. No more wet feet. I bought the medium size that is aqua blue.
For those that ask if it will fit their crate...measure your crate! My large crate is 42" x 23" and the tray fits two ways as seen in the pictures. My small crate is 23" x17" and the tray does NOT fit. I wish the company made a 10" x 14" tray for traveling. (pink???)
Start using it when you have a couple of days to give your puppy 100% of your attention. 100% attention!!
If she/he does not use it, then it is your fault for not paying attention. My puppy would go every 15 minutes at first! Put a WHITE plastic shower curtain liner on your floor so you can see if she misses it. The liner wipes off easily with Clorox wipes or goes in the washing machine. For those puppies who stand on the edge of the tray, but still miss it because their back legs are barely on it, help them walk forward and put plastic under the tray to catch any misses.
Now, at 4 months old, she seldom uses it, but it is available. Her pen is getting larger and larger. After she pees outside, we let her run around in in the living room for about an hour, then she goes back in the pen. Her attention span is short and she can't always make it back to her tray in the pen. My husband always brings her in the house after she has peed one time outside, but if I take her outside, I wait until she goes at least 3 times and there won't be accidents in the house. Sometimes, it takes more than 1 time to empty their bladder.
This pad tray is not like others on the market. Look closely at other grids, and you will see that other trays do not have the "legs" on the under side of the grid that keep the plastic grid from touching the used pad. My puppy tried to chew on the plastic tray, but she is always in our vision so we just say, "Ahhh!" and she leaves it alone. No problems with chewing. The Ahhh!" stops her every time, and we say it to stop her from doing anything wrong. Some people say their dog chews on it. Just like children, dogs need to be taught. Don't complain about how the pee pad or pee tray doesn't work. Teach your dog or your dog to not chew on it.
Like others have mentioned, my puppy likes sleeping on the tray at night, because it has air circulating under it, so it is cooler than her bed. (Not the fault of the product!) We can't break her of that habit without confusing her or removing the tray. She may stop using it if we teach her to get her off it. I have been putting frozen gel compresses wrapped in a towel in her play pen during the day, and as long as the compress stays cold, she will lay on it instead of the pad tray. Always watch, so a dog doesn't chew on the gel compresses.
I don't know why some people have said that urine runs out, because it is sealed. Maybe they are not changing the pads often enough. I started out changing them twice a day, then since my puppy started flea and tick medicine, she could start going outside. I changed the pad once a day then. Now, at 4 months old, she goes outside, but we put it in her large kennel at night. (The tray is too big to fit in her small dog kennel.) For the last three days and nights, she has not used it at all, but it is there just in case.
If your tray does not have rubber pads on the bottom, buy some or put the tray on a piece of rubber kitchen shelf liner. My tray doesn't slide. If your dog runs to it and jumps on quickly, it may slide, so put something under it.
Remember, your dog may not want to walk on it, but it is up to you to teach the dog to walk on it. They don't get a choice! You are in charge!
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Reviewed in the United States on September 17, 2020
★★★★★ 5
Hands down, best pee pad holder
Size: 18"X24"
I did so much research to find the right puppy pad holder. I would give this 10
stars if I could.
It’s softer plastic but not flimsy. The holes are comfortable for puppy feet. I see a lot
with metal grates and pictures of injured doggy feet. Our pups are small and they walk on it just fine. I used to go through 10 pee pads a day. Now one pad lasts all day. Pups can’t go wee wee and trail it all over the house. Since it’s the same pee pad, pups look for the smell and are motivated to pee pee in the same spot. Puppies used to wake up several times a night because they would pee, step in it, tear up the pee pad, make a mess. The night time drama has definitely decreased significantly.
Easy to lock, puppies can’t get into it. Easy to open to change out the pee pad. Comfortable to clean in a larger kitchen sink. Lightweight. Sometimes the doodie will go through the grates and sometimes it sits right on top, depending on the size of the doodie. Cleaning doodie stuck in the grate is never fun, but I use an old toothbrush and it works just fine.
Very happy with this item.
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Reviewed in the United States on January 29, 2026
★★★★★ 1
easily destructed by puppy that chews
Size: 24"X24"
disappointed in this purchase. It comes in 2 pieces, which are not exactly easy to fit together and cumbersome. This design flaw also makes it very easy for puppies who are prone to chewing to destroy. It last 1 day then i had to toss it
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Reviewed in the United States on January 29, 2026