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Why Is My House So Hot

Every summer, do you find yourself wondering, “Why is my house so hot?” Your home may be letting in heat in ways you are unaware of. If you want more energy-efficient alternatives to air conditioning, you must stop the heat before it enters your home.

If your home simply cannot keep cool throughout the summer, don’t despair—there is a solution.

1. There are numerous factors that might cause a home to become overheated in the summer, many of them are related to energy efficiency:

Inadequate attic insulation – During the summer and other hot days, the sun’s radiant heat can seep through your roof and heat up your attic like a solar-heated oven. If your attic has insufficient insulation, radiant heat will travel through the insulation into your living space, warming and sometimes overheating the air inside your home.

Inadequate wall insulation – If your south and west-facing walls receive a lot of direct sunlight and are uninsulated or under insulated, the heat will travel through the walls and heat up your home.

Inadequate attic ventilation – If there is insufficient attic ventilation, heat that radiates into the attic can cause the temperature to rise. Warm air from the attic will be going to boost the temperature in your home if it is under-insulated and/or there is air leakage between your attic and living space.

Air leakage – If your home has gaps and cracks (behind doors, around windows, through attic penetrations, around your foundation, etc.), warm air will leak in, raising the temperature and potentially the humidity levels.

Inadequate ventilation – especially in the summer, homes without proper ventilation (bathroom fan/range hood fan) can fill with stale air and feel stuffy and damp.Inefficient windows – If you have a lot of windows or huge windows that get direct sunlight (your house faces south/west) and the windows aren’t energy efficient, heat can readily enter your house on hot days, causing high indoor temperatures.

2. Energy-saving options and behavioral modifications that can help keep your home cool in the summer include:

Attic ventilation – If your attic lacks adequate ventilation, have new air vents installed to satisfy current building code ventilation requirements. This is a wonderful time to boost roof ventilation when changing shingles.

Attic insulation – Make sure your attic is adequately insulated. The CleanBC Energy Coach Service advises households to aim for R40 or R50 attic insulation levels (where appropriate and approved by a certified attic insulation contractor). Prior to installing insulation, your attic should be draught proofed.

Wall insulation – enough insulation in the walls will restrict the transfer of heat from the exterior to the interior of the property. Homeowners should hire a professional insulation contractor to insulate all of their walls. If you are repairing your home’s siding, this is a wonderful time to have insulation blown into the walls and added to the exterior of your home.

Draft Proofing can be an inexpensive way to keep home cooler in the summer, and on the other hand, warmer in the winter. 

If AC is required, an air source heat pump is the most energy-efficient and environmentally friendly method of house heating and cooling available today. And ceiling fan is one of the cheapest ways to cool your home, check out Best Quiet Ceiling Fan review here.

Installing high-performance windows, honestly, can act as a barrier between indoor and outdoor temperatures, keeping cool air in and saving you up to 8% on your energy bills. Speak with your window installer about the ideal windows for your home’s comfort.

Heat recovery ventilators (HRV) can help enhance indoor air quality by eliminating stale air and circulating clean, fresh air throughout the home.

Using fewer appliances – reducing the amount of heat you generate is a simple approach to reducing the temperature in your home. Plan meals that do not require the use of the oven, for example, on hot days.

Keeping the heat out – Closing your windows and blinds during the hottest hours of the day can assist in keeping heat from entering your home through your windows. Open your windows early in the morning and late in the evening to let cool air in.

Improving airflow – ceiling fans can reduce indoor air temperatures by up to 10%. If you own a ceiling fan, that’s good. If not, here is a simple guide on how to choose the best ceiling fans. All you need is to set a ceiling fan to rotate counter-clockwise during the summer.

When the air outside is cooler than the air inside (for example, early in the morning), you can install a fan near a window to bring cool air into the residence. 

Planting the proper size tree in the right spot will help block sunlight and keep your home cool throughout the hot months. When the leaves fall, a deciduous tree will block heat in the summer while allowing heat to pass through in the winter. Trees planted on the home’s east, west, and northwest sides will provide midday shade.

Install shading – During the hottest hours of the day, outdoor blinds or shades can block sunlight, keeping the interiors cool.

Inquire with your energy adviser or contractor about which home energy renovations will be most efficient in enhancing your house’s energy efficiency and keeping a pleasant temperature all year.

  Check out:  Best Ceiling Fans: Buying Guide and TOP Suggestions in 2023

How to Keep Your House From Getting Hot?

  1. Close your drapes or blinds. (Choose dark blind/drapes)

  2. Turn off (and unplug) unnecessary appliances.

  3. Keep the stove turned off.

  4. Close the doors to unused rooms.

  5. Add some shade outside your home.

  6. Close gaps around your doors and windows.

  7. Open windows when the temperature drops, exhaust out the hot air.