Warm up a room without using a plug-in electric heater. Consider built-in radiant floor or ceiling heating, duct booster fans, toe-kick heaters,…

Is your apartment uncomfortably cold in the winter? Here's how to warm it up without increasing your energy bill.

In cold climates, dual-fuel heat pumps (different from heat pumps used in the South) replace your air conditioner and save you money for both…

Here are 8 things to check before you call a pro to repair your furnace, plus some tips for warming up a cool room this winter.

Bring more heat to a cold room or more cool air to a hot room by installing a duct booster fan. Installation is simple, even if you have to…

It seems like a waste to heat unused rooms, but closing heat registers may actually increase heating costs, especially with newer systems.

Install special window films to reduce heat gain from sunlight or reduce heat loss in cold weather. It's a quick and easy task.

Window air conditioners or central air aren't the only way to cool down a hot house. Check out these alternative solutions for making your house…

Keep cool and save money on air conditioning too. Here are the ten best ways to cut costs and improve your AC system.

We list the pros and cons of geothermal heating systems and help you decide whether this system is best for your home.

If you want to add an addition but your furnace can't handle the additional load, think about installing hydronic radiant floor heating. This…