A Google Nest smart thermostat reading a temperature of 69 degrees on its round digital display sits in front of a price tag that reads  129.99, and next to a digital display screen showing a Google logo on it, both as part of an in-store retail display for shoppers.

This year, Black Friday falls on Nov. 26, but many retailers have already announced sales on smart home products. Here’s our guide to some of the best deals of Black Friday 2021.

technician fixing furnace

You can do simple furnace maintenance yourself, such as changing the filter. But a regular furnace tune-up from a professional is also important for preventing major problems with your system. 

A white radiator stands in a bathroom against a white ceramic tile wall and on a white ceramic tile floor, surrounded by stainless steel pipes.

Radiators often heat rooms too much, and it can be difficult to find the setting that produces the perfect heating level. Feeling too hot in your home? Here are a few things you can try before calling in a professional to look at your heating system. 

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