What type of fitting is recommended for gas. Flare or compression? Is this specified in any building codes?

I have hot water base board heat. About a week ago, I noticed I couldn't get the house to go above 62 degrees. When I touch the baseboards the two rooms at the beginning of the loop are hot, but as I go farther through the house the units are colder and colder leaving the two bedrooms freezing...

We are getting ready to run the electrical for our hot tub outdoors, do we need 6 awg or 8 awg wire? We are running copper wire not aluminum, the tub manufacture says 6 awg and they require a 50 amp breaker. The hot tub has 3 pumps and of course a heater.

I live in a cold climate with snow in the winter and wind of course, it is Wyoming. The wind on average can be 20 mph during winter / spring and can gust up to 35mph with a severe storm. I have spoken with a contractor that handles steel and another contractor that handles aluminum gutters. The...

Hi, I have a sandy feeling build up on my hot tub walls and all surfaces covered by water. How can I get rid of it? Will it harm my pipes or any other part of the hot tub? Thank you