The intensity of the heat of my stove isn't as strong as the fryer at the restaurant, so I can't make my french fries as crispy when I cook them at home.
この場合、次のような言い方ができますよ。
ーThe intensity of the heat of my stove isn't as strong as the fryer at the restaurant, so I can't make my french fries as crispy when I cook them at home.
「うちのコンロの火力はレストランのフライヤーほど強くないので、家でフライドポテトを作ると、カラッと揚がらない」
the intensity of the heat of one's stove で「コンロの火力」と言えます。
ご参考まで!