Home insulation in Simi Valley CA - rooms that hold steady summer and winter

Most people call us because the room over the garage is an oven by afternoon, the floors are cold in winter, or they just bought an older house and have no idea what's above the ceiling. The price depends on how big the space is, how many inches are already up there, whether old material has to come out first and how much sealing the gaps need. The schedule depends on the same things, plus how easy the attic is to reach. Sometimes attic insulation alone is enough, and sometimes the crawl space matters just as much. I'll tell you which once I've looked, and the scope goes in writing so you can see what each step is for.

For a whole house, I start by showing you where heat is getting in and which space to tackle first, so your money goes where it helps most. I check the house age, how deep the old insulation is, and whether there's a roof leak, old wiring or droppings that need dealing with before anything new goes in. Then our crew does the air sealing, which means closing the gaps around pipes, wires and the attic hatch so the insulation isn't fighting a draft. We keep insulation off soffit vents and clear of recessed can lights unless they're rated IC, short for insulated ceiling, and we keep the eave vents open so the attic can still breathe. When we blow in new fill, we lay it as deep at the edges as in the middle, because the thin edges are where most jobs come up short. I look over the work before we pack up.

If what's up there now is soaked, flattened or full of droppings, new material on top just hides the problem, so we start with insulation removal and clean out the attic. Cold floors usually point below the house, and crawl space insulation is often the fix there.

Simi Valley has adopted the California Energy Code along with the state's building, electrical, mechanical and plumbing codes, so insulation work here is held to those. One Title 24 report firm puts Simi Valley in California climate zone 9 and says the zone decides what a project's energy paperwork has to meet. The same firm notes that one city can cross more than one zone, so the zone gets confirmed for each address. If you have a question about the codes themselves, the city's Building and Safety line is (805) 583-6723.

Summer heat sits in attics here, and a lot of houses have their ducts running right through that heat, so the attic is usually where we start. We find the same thin, settled insulation and unsealed hatches on jobs in Moorpark and Thousand Oaks.