Washington County, Ohio ยท county seat Marietta
Insulation in Washington County
Attic insulation, crawl space cleanout and vapor barriers, blown in walls, rim joists and old insulation removal across Washington County, including Marietta, Belpre and Devola. We come out, measure, and give you one written price for the whole job.
Washington County homes, by the numbers
The typical home in Washington County was built in 1973. Ohio's median is 1970. About one home in three (35.1%) went up before 1960. Those are the houses where we most often find empty walls and thin, settled attic insulation.
When was your house built? The Washington County Auditor's website (use its property search) [2] lists the year built for most homes. Look up your address and tell us when you call; the age of the house tells us a lot about what is in the walls and attic.
How Washington County heats
| Utility gas | 68% | |
|---|---|---|
| Electricity | 21.5% | |
| Propane (bottled or tank gas) | 5% | |
| Wood | 2.5% | |
| Other fuel | 1.6% | |
| Fuel oil or kerosene | 1% |
Most homes in Washington County heat with utility gas (68%). Utility gas homes here run close to the Ohio pattern (64% statewide). [1] [3]
Climate zone and the attic target
Washington County is in climate zone 4A under both Ohio's residential code [4] and the 2021 model energy code [5]. Either way, the attic advice is the same: ENERGY STAR recommends R-60 in an uninsulated attic and adding R-49 where there are already 3 to 4 inches, for zones 4 and 5 alike [6]. What that means for your attic.
Washington County questions
How old are the homes in Washington County, Ohio?
The median home in Washington County was built in 1973, and 35.1% were built before 1960, according to the U.S. Census Bureau's American Community Survey 2020-2024 5-year estimates. Statewide, 37.7% of Ohio homes were built before 1960.
How do homes in Washington County heat?
68% of occupied homes heat with utility gas, 21.5% with electricity, 5% with propane, 1% with fuel oil or kerosene and 2.5% with wood (ACS 2020-2024, table B25040).
Does House Tite insulate homes in Washington County?
Yes. Washington County is one of the twelve Central and Southeast Ohio counties we work in. Home base is Nelsonville, in Athens County.
Utilities and energy programs
| Electric co-op | Washington Electric Cooperative (part of the county) [7] |
|---|---|
| Natural gas | Columbia Gas of Ohio [8] |
Columbia Gas of Ohio customers: WarmChoice offers free home energy inspections and energy-saving improvements, including insulation, air sealing, and natural gas appliance upgrades
to households with incomes up to 200% of the Federal Poverty Guidelines [9].
From each utility's own website. Utilities usually serve only part of a county, and programs change; check the linked page before you count on one, and ask your electric and gas company what they offer right now.
Free weatherization if you qualify
Ohio's Home Weatherization Assistance Program, run since April 2026 by the Ohio Department of Job and Family Services, works through a local agency in each county. In Washington County that is Washington-Morgan Community Action, (740) 373 3745 [11]. It serves households with income at or below 200% of the federal poverty guidelines [10]. If you qualify, apply there first; it costs you nothing.
What we do in Washington County
- Attic insulation
- Crawl spaces
- Insulation removal
- Blown in walls
- Rim joists
- Pole barns and shops
- New construction
- Spray foam
Towns in Washington County
Incorporated towns and census places in Washington County, largest first [12]. Marietta is the county seat.
- Marietta
- Belpre
- Devola
- Beverly
- Newport
- Reno
- Matamoras
- Lowell
- Waterford
- Little Hocking
- Vincent
- Macksburg
Get a price
Tell us about the job
A few details and a photo or two is all it takes. We call you back to set up a time to come out, measure, and give you one written price for the whole job.
Sources
- U.S. Census Bureau. American Community Survey 2020-2024 5-year estimates, tables B25035 (median year built), B25034 (year built), B25040 (house heating fuel), B25003 (tenure), B01003 (population).
- Washington County Auditor. County Auditor website.
- U.S. Census Bureau. American Community Survey 2020-2024 5-year estimates for Ohio, same tables.
- Ohio Board of Building Standards. Residential Code of Ohio, Chapter 11 Energy Efficiency (rule 4101:8-11-01, effective July 1, 2019), Tables 1101.7 and 1102.1.2.
- International Code Council. 2021 International Energy Conservation Code, Table R301.1, climate zones by county.
- ENERGY STAR. Recommended Home Insulation R-Values.
- Washington Electric Cooperative. Washington Electric Cooperative: service area.
- Columbia Gas of Ohio. Columbia Gas of Ohio: service area.
- Columbia Gas of Ohio. Ohio Energy Assistance Programs fact sheet, 2026-2027 (WarmChoice).
- Ohio Department of Job and Family Services. Home Weatherization Assistance Program (HWAP).
- Ohio Department of Job and Family Services. Energy and community assistance providers map.
- U.S. Census Bureau. 2020 Census place-by-county relationship file for Ohio.