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Lux Products 1500E Thermostat

Lux Products TX1500E Smart Temp Programmable Thermostat

After researching thermostats, I replaced my builder-grade 1 week thermostats with a couple of Lux 1500E units. This was one of Consumer Reports’ best buy models from last year (the other also a Lux). Additionally, I liked Lux’s programming dial which simplifies programming; with the dial, there are fewer arcane button press combinations to deal with. Installation was simple and straightforward. The display on the 1500E is fairly large and has an electroluminescent back light that’s activated by pressing any button. I’m farsighted but can read the display without my glasses. The 1500E is a 5-1-1 thermostat but also includes a “special” schedule that can used for vacation or holiday making this a 5-1-1-1 thermostat.

I found programming to be quick and simple and the unit works as advertised. I have one complaint and one quirk to mention. The complaint: The operating instructions aren’t the best. In particular, there is precious little explanation of the “swing” function or what the swing numbers actually mean. I sent an email to Lux and received a phone call the next day with a thorough explanation. Fantastic customer service!! For the record, the swing setting numbers correlate to quarter degrees (the instructions should state this but don’t). The default setting is 1 meaning the thermostat will cycle when the temperature deviates .25 degrees. Keeps the house temperature constant but heat or AC will constantly cycle. Setting the swing to 4 will cause heat or AC to turn on when temperature deviates 1 degree (4 X .25) from the set temperature. You can set the swing up to a value of 9 (2.25 degrees). Here’s the quirk part: with my old thermostat, if I set the temperature to 69, the heat would turn on when the displayed temperature dropped to 68 and turn off when the displayed temperature rose to 70. The 1500E, with a swing setting of 4, doesn’t work quite the same way. Even though displayed temp is 68, heat won’t come on right away. It’s almost as if the thermometer controlling the display isn’t the same one controlling the thermostat itself. Either that, or a swing setting of 4 is working differently than I’m expecting. Please note, I do not find this a problem with the 1500E, just a little odd. Also note: most instructions accompanying thermostats are lacking.

Overall, I am very pleased with the Lux 1500E. It feels well built, has a nice display, and a competitive price. Add Lux’s great customer support, and I’d highly recommend it.

Update (2/8/2012): I also found some auctions for this item here.

The featured review for this product, Lux Products TX1500E Smart Temp Programmable Thermostat Tools & Hardware, was written by G. P. Stern.

The average rating for this item is 5 out of 5 stars, according to 3 reviews.