Researcher uses tools, such as questionnaires or. equipment to collect numerical data. Data is in the form of words, pictures or objects. Data is in the form of numbers and statistics. Qualitative data is more 'rich', time consuming, and ich', time consuming, and. less able to be generalized.
By installing the radiant heat tubing directly under the wood subfloor from below. This is the most common installation in home renovation. By installing the radiant heat tubing within a plywood underlayment system, directly over the existing concrete slab or existing wood subfloor.
My own home has radiant heat and it's luxurious. The finished basement has radiant tubing that snakes through the concrete slab. The entire basement floor becomes a giant radiant panel that heats everyone and everything in the space. Walking in bare feet or laying on the floor is pure ecstasy.