World's Best Line Voltage Thermostats:

Our top pick is from THERMOSMART which is from The Netherlands. The brand offers the latest technology and can be controlled from a smartphone with their free app. The units can be purchased directly from their website and are backed by a good guarantee. 

Other Line Voltage Thermostat Ratings

We continue our line voltage thermostat ratings with an alphabetical list of manufacturers and reviews of their products.

BRAND-----------WEBSITE---------RATING

ARISTON--------ariston.com---------<1*

This brand offers basic mechanical thermostats as well as wired and wireless electronic programmable units. Their website is not much help and does not have a stated warranty policy.

AUBE-----------aubetech.com--------<1*

These units use triac control for accuracy. They are available in programmable as well as non programmable units. The TH114 series is for in-floor electric heat and has a GFCI included. The brand is made by HONEYWELL and the guarantee is not very good when compared to other brands.

BERKO--------marleymep.com---------<1*

This brand is from MARLEY ENGINEERED PRODUCTS and offers a variety of models using basic technology. Their website does not have a stated warranty policy and the thermostats are only sold by authorized dealers.

BROAN----------broan.com-------------<1*

The 86W is a basic snap action control that uses a bimetal sensing element. It is not as accurate as digital technology and the warranty is not very good.

CADET----------cadetheat.com----------2*

This brand offers both bi-metal and electronic models that can be purchased through many online outlets. They have both non-programmable and programmable units. The units are made by HONEYWELL and are backed by a decent guarantee.

CONTROL-------canarm.com------------2*

The M6001 thermostat features accurate triac control and an LCD screen. They are programmable and are backed by a good warranty but it is not as good as some of the other brands. The units are made in China and are imported to North America by CANARM which is based in Canada. 

DIMPLEX--------dimplex.com---------<1*

This brand offers a wide selection of thermostats including both mechanical and digital controls. The HTC series offers digital models in both programmable and non-programmable types. The CX-WIFI is a multi-zone programmable control that can be controlled by a smartphone but it only works with their smart heaters. The brand is only sold through authorized dealers and their website does not have a stated warranty policy.

DISMY-------------dismy.cn------------<1*

These thermostats are made in China and are available in both programmable and non-programmable models. Their website is not much help and does not have a stated guarantee for their products.

ELRO----------------elro.eu---------------5*

This brand is available in Europe from SMARTWARES SAFETY AND LIGHTING. The KT200TS is a touchscreen model that has self-learning capabilities. They also have built-in frost protection and holiday modes for convenience. They are battery operated and backed by a very good guarantee.

EMMETI--------emmeti.com------------<1*

This brand is made in Italy and is sold in Europe. They offer simple non-programmable units as well as advanced touch screen programmable models. Their website is not much help and does not have a stated warranty policy.

EUROSTER-----euroster.pl---------------1*

These thermostats are made and sold in Poland. They offer a variety of models for heating only or heating & cooling systems and they are backed by a good guarantee.

HONEYWELL-yourhome.honeywell.com--3*

The RLV 4300A model is 5+2 programmable and is rated for 240 volts. It has a backlit display for easier reading and is backed by an industry leading warranty.

JOHNSON CONTROLS--johnsoncontrols.com--<1*

This brand has more of a commercial focus and offers both heat only and heat/cool models. They use bimetal sensing which is less accurate.

KING-------- king-electric.com --------<1*

This brand offers both mechanical and digital/programmable thermostats. They can be purchased online from the manufacturer but their website is not much help and does not have a stated warranty policy.

LUX-----------luxproducts.com-----------2*

The ELV4 is a programmable electronic control for heating systems. They are backed by a good guarantee and can be purchased online.

MARKEL-----  markel-products.com  --<1*

This brand is from TPI CORP. and offers very basic mechanical thermostats.

NETATMO----------netatmo.com---------4*

This thermostat is designed for use with boilers & combi boilers in Europe. The unit can be controlled from a smartphone and the Auto-Adapt feature monitors the heating system operation to save energy. The brand is from STARCK and uses the latest technology but their website does not have a stated guarantee for their products.

PUREPRO--pureproproducts.com----<1*

The MLV2 thermostats are basic mechanical units that are available through F.W. WEBB COMPANY. They are plumbing distributors that serve nine states in the northeast part of the USA. 

Q MARK--------marleymep.com-------<1*

This brand is from MARLEY ENGINEERED PRODUCTS and offers a variety of models using basic technology.

RAYWALL-------raywall.com------------<1*

This brand is from TPI CORP. and offers very basic mechanical thermostats.

REDD-I  -------  redd-i.com   ----------<1*

This brand is from TPI CORP. and offers very basic mechanical thermostats.

SEITRON-------seitron.it-----------------4*

These thermostats are available as heat only or heating/cooling models. They have models with a night setback setting for energy savings and wireless models using the latest technology. Their website does not have a stated guarantee for their products.

STELPRO--------stelpro.com-------------2*

This brand offers basic mechanical thermostats as well as programmable models. They are made in Canada and have a good warranty.

SunTouch---------suntouch.com--------2*

The COMMAND model is a basic seven day programmable thermostat while the CONNECT is Wi-Fi enabled. The brand is a part of WATTS WATER TECHNOLOGIES and the units are for use with their radiant floor heating systems. They are touchscreen controls with a thin profile to blend into the modern home decor and they are backed by a pretty good guarantee. 

THERMOSMART---thermosmart.nl------5*

This brand offers the latest technology and can be controlled from a smartphone with their free app. The units can be purchased directly from their website and are backed by a good guarantee. 

TPI----------------tpicorp.com---------<1*

This brand offers basic mechanical thermostats in either single or double pole models. Their website is not much help and does not have a stated warranty policy. 

WEXCEL--------worldexcel.com----------4*

These thermostats are made in China and are electronic units. They offer models with the latest WI-FI technology but their website is not much help and does not have a stated warranty policy.

WHITE RODGERS-emersonclimate.com-<1*

This brand is a part of EMERSON CLIMATE TECHNOLOGIES. The 1E65-144 is a digital non-programmable thermostat that is backed by a very good warranty.

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