How to Keep Your Michigan Home Cool During a Heatwave

When a heatwave hits, your home's air conditioning system works overtime to keep your family comfortable. Without proper maintenance, extreme temperatures can put extra stress on your HVAC system, leading to higher energy bills, poor cooling performance, or even unexpected breakdowns.

The good news is that there are several steps homeowners can take to improve their home's efficiency and help their air conditioner perform at its best. From simple maintenance tasks to professional HVAC services, preparing for extreme heat can make all the difference.

Why Is My House So Hot During a Heatwave?

During periods of extreme heat, your air conditioner may run longer than usual because it's working against higher outdoor temperatures. If your home isn't properly sealed or your HVAC system isn't operating efficiently, cool air can escape while hot air enters your home.

Common reasons your home feels warmer include:

- Dirty air filters restricting airflow

- Poor attic insulation

- Air leaks around doors and windows

- Blocked or dirty outdoor AC units

- Aging or undersized air conditioning systems

- Leaky ductwork

- Lack of routine HVAC maintenance

Identifying these issues early can improve comfort and reduce unnecessary strain on your cooling system.

Schedule Preventative HVAC Maintenance Before Problems Start

One of the most effective ways to keep your home cool during a heatwave is by scheduling annual air conditioning maintenance.

Preventative maintenance helps your system:

- Cool your home more efficiently

- Lower monthly energy costs

- Reduce wear and tear

- Prevent unexpected breakdowns

- Extend the lifespan of your equipment

- Maintain manufacturer warranties

During a professional AC tune-up, a technician will inspect the system, clean critical components, check refrigerant levels, test electrical connections, inspect the condensate drain, and verify that your equipment is operating safely and efficiently.

Routine maintenance is far less expensive than emergency repairs and can often prevent problems before they happen.

Change Your Air Filter Regularly

One of the easiest ways to improve your air conditioner's performance is by replacing the air filter.

A clogged filter reduces airflow, forcing your HVAC system to work harder while delivering less cool air throughout your home.

During the summer, homeowners should inspect their filters every month and replace them every one to three months, depending on:

- Pets in the home

- Allergy concerns

- Indoor air quality

- Filter type

- Overall system usage

Clean filters improve airflow, reduce energy consumption, and help maintain consistent indoor temperatures.

Keep Your Outdoor AC Unit Clean

Your outdoor condenser needs unrestricted airflow to remove heat from your home.

Help it perform efficiently by:

- Removing leaves and debris

- Trimming shrubs at least two feet away

- Keeping grass clippings away from the unit

- Gently rinsing dirt from the coils with a garden hose

Avoid stacking storage items or placing decorative landscaping directly around the condenser, as blocked airflow reduces cooling efficiency.

Reduce Heat Inside Your Home

Your air conditioner doesn't have to work as hard if less heat enters your home.

Simple ways to reduce indoor heat include:

- Close blinds and curtains during the afternoon.

- Install blackout curtains on sun-facing windows.

- Seal gaps around windows and doors.

- Use weatherstripping where needed.

- Avoid using the oven during the hottest part of the day.

- Grill outdoors when possible.

- Run dishwashers and laundry machines during the evening.

- Turn off unnecessary lights and electronics.

These small changes can significantly improve indoor comfort during extreme temperatures.

Use Ceiling Fans to Improve Comfort

Ceiling fans help circulate cooled air, making rooms feel several degrees cooler.

During the summer, fan blades should rotate counterclockwise to push cool air downward. This allows many homeowners to increase their thermostat by a few degrees without sacrificing comfort, helping reduce energy usage.

Signs Your Air Conditioner Needs Professional Service

Even well-maintained systems can develop issues over time.

Contact an HVAC professional if you notice:

- Warm air coming from vents

- Weak airflow

- Unusual noises

- Burning or musty odors

- Ice forming on the unit

- Frequent cycling on and off

- Rising energy bills

- Uneven temperatures throughout your home

Ignoring these warning signs can lead to larger repairs and complete system failure during the hottest days of summer.

Professional HVAC Services That Help During a Heatwave

If your cooling system struggles to keep up with rising temperatures, professional HVAC services can restore comfort and improve efficiency.

Services may include:

- Air conditioning repairs

- Preventative AC maintenance

- Refrigerant leak detection and repair

- Smart thermostat installation

- Ductwork inspection and sealing

- Indoor air quality solutions

- Air conditioner replacement

- High-efficiency HVAC system installation

Whether your system needs a minor repair or a full replacement, addressing problems early helps avoid emergency breakdowns when demand is highest.

Keep Your Home Comfortable All Summer Long

Extreme summer temperatures don't have to mean an uncomfortable home. By changing your air filter, keeping your outdoor unit clean, reducing indoor heat gain, and scheduling annual preventative maintenance, you can improve your air conditioner's performance and extend its lifespan.

If your AC isn't keeping up with the heat, don't wait for a complete breakdown. The experienced team at Mulligan Heating, Inc. provides professional air conditioning maintenance, repairs, and replacement services to help homeowners stay cool, comfortable, and energy-efficient all summer long. Call Mulligan Heating, Inc. (248) 698-9700 or visit us online at www.MulliganHeating.com

Whether you need a seasonal tune-up or fast air conditioning repair, we're here to help you beat the heat.

Frequently Asked Questions