Reduce Your Heating and Cooling Costs 1. Go For the Right Size Instead of going to a store or buy

9 Easy Ways to Reduce Your Heating and Cooling Costs 1. Go For the Right Size Instead of going to a store or buying a residential and commercial HVAC system online just after a small research, we highly recommend getting an expert's opinion or hiring a professional technician before making the right decision so you can not only get the best value for your money but also fewer energy bills. Most people make the mistake of either buying a small or large unit just by seeing their neighbor's or friend’s furnace and air conditioning unit. If you choose a small residential and commercial HVAC system, you'll end up paying much more utility bills because your unit has to work more than usual to cool or heat your room. If you decide to go with a larger HVAC unit, you’ll still get more gas or electricity bills because it takes a lot more power to operate.