We spoke to two HVAC experts for their best tips on keeping the upstairs cool all summer long.

Portable AC unitsare a great investmentif you’re struggling to reach comfortable temperatures upstairs in the summer.

“Investing in a mini-split system can make a very big difference in your comfort,” Traub says.

Bedroom with vaulted ceilings and settee at end of bed.

Interior Impressions

Sealing leaks is fairly easy to do.

All you need iscaulk and a caulking gunand you’re good to go.

“Keep in mind this tip only works if you are in the room,” Terry says.

Kitchen towel hanging on an oven door handle

Stacy Zarin Goldberg

That small temperature differential can make a big difference in your comfort."

Rose Home Fashion Blackout Curtain Liner hung up over a window

The Spruce / Eric Brockob

Person setting the thermostat

Saklakova / Getty Images

Interior crack near window being sealed with caulk gun

The Spruce / Nelly Cuanalo

Hunter Key Biscayne Indoor/Outdoor Ceiling Fan installed on ceiling

The Spruce / Mary Honeyman-Speichinger