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Utilities and Energy Conservation Management

Heating and cooling costs comprise over half of your total utility bill (energy.gov). The biggest impact you can make on lowering your utility bills will be reducing the load on your heating and cooling equipment. Learn what you need to know to instantly begin seeing savings on your energy bill.

Utilities and Energy Conservation Tips

1. Properly sized HVAC system

Having the right-sized equipment is crucial for maximizing your energy efficiency and comfort. Sadly, over half of all new HVAC systems are improperly installed, which ends up decreasing its lifespan and increasing your energy bill. That is why hiring the right HVAC company to install your heating and cooling equipment is vital for saving money and energy. An improperly sized system will use more energy and won’t be able to humidify your home properly. When an HVAC technician is inspecting your home for a new system, make sure they are checking your ductwork, insulation, and ventilation.

Use the ENERGY STAR® Quality Installation Guideline when shopping around for HVAC contractors. The questions will separate the professionals from the amateurs.

Contact Cassel Home Comfort with all your questions! Before recommending a new HVAC system, we will complete a thorough inspection of your existing system.

2. Change Your Air Filter

During peak seasons, change your HVAC air filter every 30 days. During non-peak seasons, every 60-90 days should suffice. The best way to remember this important home maintenance task is to set calendar and phone reminders for the first of the month. You can check if your air filter needs to be cleaned or replaced by holding it up to the sunlight. If you can’t see light through your filter, then you are past due on a filter change.

This also applies if you have a window unit: check behind the front panel and clean the filter with soap and water.

3. Check Your Thermostat

Make sure that your thermostat is far away from any heat sources, such as sunlight, appliances, lamps, and TVs. The extra heat will send inaccurate temperature readings to your central HVAC system, causing it to run longer than it should!

4. More Thermostat Tips

Set your thermostat on the highest possible setting in the summer and lowest possible setting in the winter. For every one degree that you set your thermostat back, you can save up to 1% on your heating and cooling bill (if the setback period is eight hours long).

Install a programmable thermostat. By using a programmable or “smart” thermostat, you can gain more control over your HVAC schedule. Program your thermostat to turn on and off when you are home and away.

We recommend setting your thermostat at 78 degrees or higher while at home and 85 degrees or higher while away. You don’t want to turn your system off entirely since more energy is required to cool a hot home (or conversely, heat a cold home) than it would be to simply let it run. If you don’t want to manually raise and lower your thermostat, this is where a programmable thermostat comes in!

If you suspect something is wrong with your thermostat, consult our thermostat troubleshooting guide before you call the experts at Cassel Home Comfort.

5. Vents and Registers

You may have heard that you can save energy and money by blocking off vents and registers in unused rooms in your home. This is a myth that does more harm than good. Your HVAC system is specifically designed for a certain amount of space. If you close off or block vents and registers, your HVAC system will use the same amount of energy, but because the vents are closed, pressure builds up in your ductwork causing problems such as duct leakage.

Go around your home and make sure that supply and return air registers are not blocked by rugs, furniture, or drapes.

We discuss other air conditioning myths here.

Here’s a useful infographic from qualityheatair.com that you can print and hang on your refrigerator for quick energy conservation reminders:

Quick Tips:

For even more utilities and energy conservation tips, see our other blog articles:


If you need to schedule your annual air conditioning maintenance or have any questions about heating and air conditioning maintenance, call your home comfort experts at (217) 866-1596!

    • A live call center and friendly technicians are standing by

24 hours a day, 7 days a week

    • to help you with all your heating and cooling questions. We also offer an ongoing

Home Maintenance Plan

    • to help you increase energy conservation, comfort, and utility bill savings!

We’ll Get Your Castle Comfortable Again!

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