Whether you're looking for an air conditioner, gas or oil furnace, heat pump, . and specially designed burners help Ducane furnaces stay efficient and reliable. . If your home doesn't have space for an air handler or blower coil, Ducane . 2015. 1. 2. - It probably is not necessary to cover your air conditioner in the winter, or during . All of the parts and materials used are designed to stand up to hot . While mold growing outside of your home is not detrimental to your health . 2009. 10. 20. - AC units are designed to be installed outdoors all year 'round. They are designed to hold up to the elements – they don't need a cover. 2015. 7. 29. - The Ultimate Home Owner's Guide to Designing an HVAC System': a 59-page eBook covering the 9 steps to building a Complete Home . 2011. 1. 7. - It's Snowing: DON'T COVER YOUR AIR CONDITIONING . First off, your air conditioning condenser is the unit that sits outside your house. In locations with permanently installed window or through wall air conditioners, a plastic hard cover should be installed on the interior of the air conditioner unit . Air Conditioner Covers made to order. Will fit your AC unit like a Glove. 2013. 3. 12. - Your home or business HVAC system is essential to your comfort and . Most modern air conditioners are designed to offer up to 10 to 20 years .