Home calculators

Slim your dollars on household costs. These calculators can show you how much you are spending on those old appliance and what you could be saving on!

Energy audits

  • CenterPoint Energy currently provides two tests for homeowners for a fee. Check the website for current pricing.



Heating, Ventilating and Air Conditioning (HVAC) are systems in your home that contribute to the efficiency of your energy consumption. The type, installation and age of one of these systems affect the efficiency of the system. One of the easiest ways to improve your homes’ efficiency is to update your HVAC system.


There are all types of insulation and many places in the home to install insulation. The following link can help you know where to put insulation and what type:

Windows and doors

Other than the symptoms listed in the Window and Door Replacement there is no other self calculator to know how well your windows and doors are working.

You can get a professional to do a Blower Door Test. This test uses a high powered fan to see how much air leakage your house has. For more information about blower door tests, visit the following link.