Videos Videos from FOX 17 Morning Mix It's still fairly warm in West Michigan, but those crisp autumn evenings may have you turning on your furnace if you haven't already. But if you've noticed that you aren't getting the heat you used to, or none at all, then it might be time to get a replacement. The colder weather is here, which means it's time to start thinking about turning on the furnace. Temperatures in Michigan will soon spike to the 80s and 90s, which means you want to make sure your air conditioning is running properly. If you're in the hunt for a new air conditioner, but don't know where to start, West Michigan Heating and Air Conditioning can help you find the right unit to keep your home cool and save you money.