Heating, ventilation, air conditioning (HVAC) systems are the third largest purchase behind homes and automobiles that most people will make in their lifetime.
Heating and air conditioning systems are also the biggest users of energy in the home, therefore, when buying a new heating/air conditioning system, or even when having an existing system serviced, which many times will lead to purchase of a new system, you should have all the facts before making a buying decision.
On the positive side, replacing an inefficient heating and/or air conditioning system with an efficient system can more than pay for the first cost in savings in operating cost. This is one of the few things that we know of that you can buy that actually gives you a monthly payback and puts more money in your pocket!
For example the gas and electric bill for a 2500 sq. ft. house, in the center of the country, St. Louis, Missouri, with a 10 year old system, would run $2,795.00 a year to operate. With a new high efficiency system the annual cost would be $1,243.00. A savings of $1,552.00 per year.