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Honeywell RTH9580WF Vs RTH8580WF: Comparing the RTH9580 and RTH8580

RTH9580WF or RTH8580WF – Which is Best for You?

Here, we will briefly compare two smart thermostats from Honeywell — RTH8580 Vs RTH9580 — through providing a brief overview of both (so you can get a clear idea as to what each model can offer you) and then going on to highlight their differences in concluding sections (allowing you to then easily decide which model best suits your home, along with an appreciation of their respective price tags).

RTH9850WF Smart Thermostat Overview

Design & Features

This stylish wi-fi enabled ‘smart’ thermostat allows you to adjust temperature (both heating & cooling) from anywhere in your house (accessible via an iPhone, iPod touch, iPad & android devices through the free Honeywell app. — which also gives you customary readings & schedule settings) or you can do this directly through its vivid color touch screen display.

It is also integrated with a range of intelligent features & settings that are specifically designed to provide you the ‘right temperature’ at the the ‘right time’ (i.e. taking into account local weather conditions, accounting safe temperatures for pets & if you are actually ‘in’ the house or on vacation etc.) but is also conscious of energy-saving, to help you cut back on bills.

Specifications & Aspects

With regards to specific settings it features an automatic heating changeover (with notification) that basically decides if your house needs heating up or cooling down, reads out an accurate reading of temperature & humidity (both indoor & outdoor), it has daylight savings timings installed — is programmable up to 4 time segments a day (across a week) and as touched upon above it comes with a vacation mode enabled. And despite all this it can even tell you the time. Moreover, instillation of the RTH9850WF, won’t take any longer than 15 minutes, incredible simply instructions to follow.

Note: if you ever get stuck with any aspect whilst using the thermostat it has an ‘on-board’ help feature, detailing ‘what is what’.

Dimensions: 0.75 x 3.5 x 4.5 inches | Rating: 78% (source: amazon.com) | Warranty: 1 yr

RTH8580WF Smart Thermostat Overview

Design & Features

Essentially the RTH8580WF is a more basic version of the RTH9850, but still is integrated with many of the same features e.g. being wi-fi enabled, allowing you to set precisely set the temperature to the very degree (F) as well as schedule it up to a week with 4 periods within a 24 day (either online or through the Honeywell app). With the RTH8580WF, Honeywell specifically claim it can ‘save up to 33% on energy bills’, so over a given length of time — both thermostats will essentially pay for themselves.

Again, it comes with a range of intelligent settings & will alert you with notifications like for instance: any unusual temperature rises or losses, a filter needs replacing or if it has lost connection to your wi-fi. It reads out all the necessary diagnostics like the RTH9850WF, (also accessible through the app).

Specifications & Aspects

Again, it also comes with the vacation program, whereby everything will resume back to normal once you have arrived home (saving you on energy bills whilst you are away). It is also integrated with smart response technology, so that it is always learning when to heat or cool your homes at specific times throughout the day (with consideration of local weather).

Dimensions: 1.25 x 5 x 6.4 inches | Rating: 80% (source: amazon.com) | Warranty: 1 yr

Difference Between the RTH9580WF and RTH8580WF

The only real significant difference between the two smart thermostats are the interfaces, the RTH9580WF comes in a colored touch screen whereas the RTH8580WF is just a simple non-color one (minor differences come in their overall design too, with the RTH9580WF certainly being the more modern & better looking of the two). The RTH9580WF does come with a few extra features too such as the 5 day forecast & humidity readout (both indoor & outdoor).

Which Smart Thermostat Should You Buy the RTH9580WF or RTH8580WF?

The RTH9580WF is priced at around $200 and the RTH8580WF at around $135 (quoted from amazon.com) — so in terms of value for money, I’d go for the RTH8580WF, but because I’m a bit of a nerd I do like the user interface a lot more with the RTH9580WF and a few of the extra read outs it provides etc. so for an extra $65, I would opt for that model (and is more suitable to a small business or office type environment). But, which smart Honeywell thermostat will you buy and why?

Finally, if you have any queries or concerns over the comparison of the RTH9580WF Vs RTH8580WF then please make them below (also if you’ve found this article useful please give it a like or share).

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