The EPA or Environmental Protection Agency is the primary resource for information on indoor air quality and they claim there is very little knowledge...
The life expectancy of a standard furnace is between 12 and 18 years. Warranties can last generally for the first 12 years, but after that, the owner is subject to any parts and labor associated with the unit.
Technology is a great tool for AC installation. Where it might seem simply cut and dry to install a new HVAC unit, there are a lot of technical issues that must be addressed for the system to work efficiently.
Older HVAC units must be managed carefully and individually. When it gets cold, you must fire up the furnace and when the warmth of summer comes along, air conditioning is necessary.
One of the first signs your air conditioner may be experiencing problems is noticeably higher energy costs. Air conditioning and heating units account for the bulk of energy usage in the average home