Home Energy Monitor Comparison Chart

As more wireless energy monitors appear on the market, deciding which model to buy might seem a bit confusing.

As a guide, we've put together this easy to understand features comparison chart so you can compare the specifications and features of each monitor side-by-side.

Because we keep every make and model of wireless energy monitor in stock, we offer impartial advice on all the brands, and whichever one you decide to buy, we can send it out straight away.

You can pick up to four models to compare by ticking the ones you want to see in the box below.

Click to Compare Monitors: Owl Micro CM130 Wattson 01 Efergy e2 USB Eco-Eye Mini Eco-eye Elite Current Cost CC128 Current Cost TREC Efergy Elite Owl CM119	Owl Micro CM130	Wattson 01	Efergy e2 USB	Eco-Eye Mini	Eco-eye Elite	Current Cost CC128	Current Cost TREC	Efergy Elite	Owl CM119
Price	£24.95	£94.95	£49.95	£39.99	£49.99	£39.95	£24.95	£39.95	£29.95
Portable display						Mains powered	Mains powered
Wireless transmitter
Up to 30m indoor range			40m					40m
Easy to connect				22 Channels	22 Channels				With 3 channels
Easy to read display
Three phase compatible		(with extra sensors)	(with extra sensors)	(with extra sensors)	(with extra sensors)	(with extra sensors)		(with extra sensors)	(with extra sensors)
Discreet 3 phase monitoring						(with extra sensors & TX)
Economy 7 compatible
Individual appliance monitoring						with additional appliance modules	With additional appliance modules
Individual appliance capacity						9 discreet channels	Up to nine
Transmitter battery life	TBA	Up to 6 months	Up to 12 months	Up to 12 months	Up to 12 months	7 Years	5 Years	Up to 12 months	Up to 4 years
Transmitter sample rate(s)	6 sec, 60 sec.	3, 10, 20 sec	6, 12, 18 seconds	4 sec	4 sec	6 sec	6 sec	6, 12, 18 seconds	6 sec
Manufacturer stated accuracy	TBA							<8%	+/- 2%
Batteries included	4 x AAA	4 x AA	no, requires 3xAA + 3xAAA	4 x AA	4 x AA	for transmitter	For transmitter	no, requires 6 x AA	6 x AA
Low battery warning indicator
High use warning alarm		Via ambient lighting						Alarm + LED
Display currencies	£	£, $, Euro, Yen	£, $, Euro	£, $, Euro	£, $, Euro	£, Euro	£	£, $, Euro	£, $, Euro
Voltage settings	240v	240/415v	100-400v	90-260v	90-260v	240	230~240UK	110-400V	110-250v
Max Amps input rating (per phase)	71	52	90	80	80	100	90	90	70
Country of manufacture	China	China	China	UK	UK	China	China	China	China
Rechargeable battery
DC adapter input			For display	Sender & receiver	Sender & receiver			For display
DC adapter included				Optional extra	Optional extra				Optional extra
LCD panel
LED panel
Instant kWh view
Instant pence per hour view
kg CO2 per hour view								In History mode
Tonnes CO2 per year view				(Kg per month)	(Kg per month)
Projected cost per year view
Projected cost per month view
Memory function
Micro-generation compatible
On-board usage history view
Day/week/month usage view
'Trip meter' style accumulated cost counter
Show total kW usage for current hour
Sequential display of all modes
Data storage capacity		4 weeks	2 years + 8 months for PC data	32 months	32 months	8 years	None	2 years	up to 1 year
Date / time display			Time	12/24 hr clock	12/24 hr clock	Time		Time
Temperature / humidity display						Temp			Temperature
Backlit display
Ambient mood lighting
USB PC/Mac data link			PC
PC/Mac data analysis software			PC			Freeware