\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

\n HEATING SYSTEMS<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n *Boilers<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Cast iron<\/td>\n	\n 30 to 60<\/p>\n<\/td>\n<\/tr>\n
Steel<\/td>\n	\n 20 to 35<\/p>\n<\/td>\n<\/tr>\n
\n *Heating Exchangers (steel)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Gas-fired<\/td>\n	\n 15 to 20<\/p>\n<\/td>\n<\/tr>\n
Oil-fired<\/td>\n	\n 20 to 35<\/p>\n<\/td>\n<\/tr>\n
Heat Pump Compressor<\/td>\n	\n 14<\/p>\n<\/td>\n<\/tr>\n
\n *Heating Pipes<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Steel<\/td>\n	\n 80 to 120<\/p>\n<\/td>\n<\/tr>\n
Copper<\/td>\n	\n 60 to ?<\/p>\n<\/td>\n<\/tr>\n
\n *Burners<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Oil<\/td>\n	\n 20 to 30<\/p>\n<\/td>\n<\/tr>\n
Gas<\/td>\n	\n 30 to 40<\/p>\n<\/td>\n<\/tr>\n
\n *Misc. Heating Components<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Circulators<\/td>\n	\n 20 to 30<\/p>\n<\/td>\n<\/tr>\n
Fans<\/td>\n	\n 12 to 40<\/p>\n<\/td>\n<\/tr>\n
Oil Tanks (inside)<\/td>\n	\n 25 to 50<\/p>\n<\/td>\n<\/tr>\n
Expansion Tanks<\/td>\n	\n 35 to 50<\/p>\n<\/td>\n<\/tr>\n
Zone Valves<\/td>\n	\n 7 to 10<\/p>\n<\/td>\n<\/tr>\n
\n Note: Heaters need complete replacement when the boiler (water) or heat exchanger (air) fails.<\/em><\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n AIR CONDITIONING<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n *(Electric)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Compressors<\/td>\n	\n 15<\/p>\n<\/td>\n<\/tr>\n
Coils<\/td>\n	\n 20 to 30<\/p>\n<\/td>\n<\/tr>\n
Fans<\/td>\n	\n 12 to 40<\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n PLUMBING SYSTEMS<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n *Water Service (Public)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Lead<\/td>\n	\n 50 to 90<\/p>\n<\/td>\n<\/tr>\n
Steel<\/td>\n	\n 40 to 75<\/p>\n<\/td>\n<\/tr>\n
Copper<\/td>\n	\n 70 to ?<\/p>\n<\/td>\n<\/tr>\n
\n *Plastic (Should be dependable) Unknown Interior Water Pipe<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Steel 1\/2″<\/td>\n	\n 40 to 60<\/p>\n<\/td>\n<\/tr>\n
Copper 1\/2″<\/td>\n	\n 70 to 100<\/p>\n<\/td>\n<\/tr>\n
\n *Plastic (Should be dependable) Unknown Drainage Lines<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Galvanized Steel<\/td>\n	\n 40 to 60<\/p>\n<\/td>\n<\/tr>\n
Copper<\/td>\n	\n 60 to 100<\/p>\n<\/td>\n<\/tr>\n
Cast Iron<\/td>\n	\n 50 to 90<\/p>\n<\/td>\n<\/tr>\n
Plastic (P.V.C.)<\/td>\n	\n 35 to ?<\/p>\n<\/td>\n<\/tr>\n
Lead<\/td>\n	\n 50 to 90<\/p>\n<\/td>\n<\/tr>\n
\n *Well Equipment<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
\n (On-site Water Supply)<\/em><\/p>\n<\/td>\n<\/tr>\n
Pump-Submersible<\/td>\n	\n 15 to 22<\/p>\n<\/td>\n<\/tr>\n
Pump-Above Ground<\/td>\n	\n 13 to 20<\/p>\n<\/td>\n<\/tr>\n
Pressure Tank-Steel<\/td>\n	\n 15 to 25<\/p>\n<\/td>\n<\/tr>\n
Pressure Tank – Fiberglass<\/td>\n	\n 25 to 50<\/p>\n<\/td>\n<\/tr>\n
\n *Septic System<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
\n (On-Site Drainage System)<\/em><\/p>\n<\/td>\n<\/tr>\n
Steel Tank<\/td>\n	\n 15 to 30<\/p>\n<\/td>\n<\/tr>\n
Concrete Tank<\/td>\n	\n 25 to 40<\/p>\n<\/td>\n<\/tr>\n
\n NOTE: Life expectancy of leaching fields is determined by porosity of soil and maintenance (10 to 60 years)<\/em><\/p>\n<\/td>\n<\/tr>\n
\n *Miscellaneous Plumbing Items<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
\n Water Heater<\/em><\/p>\n<\/td>\n<\/tr>\n
Gas<\/td>\n	\n 8 to 14<\/p>\n<\/td>\n<\/tr>\n
Electric<\/td>\n	\n 12 to 18<\/p>\n<\/td>\n<\/tr>\n
Oil Burner<\/td>\n	\n 20 to 40<\/p>\n<\/td>\n<\/tr>\n
\n Fixtures<\/em><\/p>\n<\/td>\n<\/tr>\n
Builders line faucets, etc.<\/td>\n	\n 20 to 35<\/p>\n<\/td>\n<\/tr>\n
Builders line tub, toilets & sinks<\/td>\n	\n 40 to 60<\/p>\n<\/td>\n<\/tr>\n
Better quality faucets, etc.<\/td>\n	\n 30 to 60<\/p>\n<\/td>\n<\/tr>\n
Better quality tubs, toilets & sinks<\/td>\n	\n 50 to 90<\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n ELECTRICAL SYSTEMS<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
Service cables (depends on exposure to sun)<\/td>\n	\n 20 to 40<\/p>\n<\/td>\n<\/tr>\n
\n *Wiring (interior)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Knob & tube (cloth insulation, copper conductor)<\/td>\n	\n 60 to 90<\/p>\n<\/td>\n<\/tr>\n
Armored Cable (copper conductor-BX)<\/td>\n	\n 50 to 80<\/p>\n<\/td>\n<\/tr>\n
Plastic sheathed (copper conductor-Romex)<\/td>\n	\n 70 to Unknown \n(It should be 80+.)<\/p>\n<\/td>\n<\/tr>\n
\n *Panel Boxes<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Fuses or Circuit Breakers<\/td>\n	\n 20 to 50<\/p>\n<\/td>\n<\/tr>\n
\n Note: Life expectancy is directly related to moisture in the area of the box (rust & oxidation of contacts).<\/em><\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n EXTERIOR COMPONENTS<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n *Roof Covering<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Fiberglass Reinforced Asphalt Shingles<\/td>\n	\n 18 to 25<\/p>\n<\/td>\n<\/tr>\n
\n Note: Roofs wear out sooner on the south side of the house.<\/em><\/p>\n<\/td>\n<\/tr>\n
Built-Up Roofing, 3- or 4-ply<\/td>\n	\n 10 to 15<\/p>\n<\/td>\n<\/tr>\n
\n Note: Installation procedures and regular recoating can extend the life of these roofs 2, 3 or more times.<\/em><\/p>\n<\/td>\n<\/tr>\n
Slate (depends on the quarry from which it came)<\/td>\n	\n 35 to 200 \n(Maintenance is required.)<\/p>\n<\/td>\n<\/tr>\n
Metal Standing or Welded Seams<\/td>\n	\n 50 to 90<\/p>\n<\/td>\n<\/tr>\n
\n Note: Metal roofs are mostly tin and will remain functional as long as you keep them from rusting — recoat every 4 to 5 years.<\/em><\/p>\n<\/td>\n<\/tr>\n
Cedar (depends on quality of wood, workmanship, and maintenance)<\/td>\n	\n 20 to 40<\/p>\n<\/td>\n<\/tr>\n
\n *Gutters and Downspouts<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
\n Note: Life expectancies of gutters and spouts depend to some extent on the slope of the gutters and how clean they are.<\/em><\/p>\n<\/td>\n<\/tr>\n
Aluminum (gauge of metal is important)<\/td>\n	\n 18 to 20<\/p>\n<\/td>\n<\/tr>\n
Galvanized (the new painted steel should last longer)<\/td>\n	\n 15 to 22<\/p>\n<\/td>\n<\/tr>\n
Copper (do not use steel brackets)<\/td>\n	\n 35 to 50<\/p>\n<\/td>\n<\/tr>\n
Plastic (P.V.C.)<\/td>\n	\n 25 to ?<\/p>\n<\/td>\n<\/tr>\n
\n *Sidings and Veneers<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Aluminum (you may repaint aluminum siding at about 20-23 years to extend life)<\/td>\n	\n 18-25<\/p>\n<\/td>\n<\/tr>\n
Vinyl<\/td>\n	\n 25 to ?<\/p>\n<\/td>\n<\/tr>\n
Aluminum with Tedlar coating<\/td>\n	\n 35 to 50<\/p>\n<\/td>\n<\/tr>\n
Hardboard or composition (depends on finish, exposure to sun and maintenance)<\/td>\n	\n 20 to 40<\/p>\n<\/td>\n<\/tr>\n
T1-11 Plywood Siding (must receive regular coatings or will not last more than 8 years)<\/td>\n	\n 20 to 40<\/p>\n<\/td>\n<\/tr>\n
Stucco (70 years without paint, 200+ years with regular painting)<\/td>\n	\n 70 to 200+<\/p>\n<\/td>\n<\/tr>\n
Asbestos (needs normal maintenance, recommended painting)<\/td>\n	\n 40 to 100<\/p>\n<\/td>\n<\/tr>\n
Brick. Veneers or complete masonry units. As long as the brick is an exterior brick, it will only need periodic pointing.<\/td>\n	\n 100+<\/p>\n<\/td>\n<\/tr>\n
\n *Masonry Walls<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Concrete. Brick<\/td>\n	\n (see sidings above) \nblock and stone<\/p>\n<\/td>\n<\/tr>\n
\n Note: Masonry walls are very durable and as long as they are designed properly and receive periodic maintenance, they should last 100+ years. Exceptions would be salmon brick, cinder block (instead of concrete block) and Serpentine stone.<\/em><\/p>\n<\/td>\n<\/tr>\n
\n *Windows<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Wood. Usually very dependable and have long life expectancies with regular painting and storm windows to help protect them.<\/td>\n	\n 35 to 100<\/p>\n<\/td>\n<\/tr>\n
Aluminum. Usually are marginal in design and functionability. An advantage is their low cost.<\/td>\n	\n 10 to 25<\/p>\n<\/td>\n<\/tr>\n
Vinyl. Reasonable window, moderate cost, not enough history to project life expectancy.<\/td>\n	\n 15 to ?<\/p>\n<\/td>\n<\/tr>\n
Aluminum storm windows<\/td>\n	\n 30 to 40<\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n INTERIORS<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n *Ceramic Tile (in tub or shower wall areas)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Wed Bed (cement) or Wonder Board Backing<\/td>\n	\n 40 to 90<\/p>\n<\/td>\n<\/tr>\n
Mastic System (adhesive)<\/td>\n	\n 14 to 20<\/p>\n<\/td>\n<\/tr>\n
\n *Plaster<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Walls<\/td>\n	\n 70 to 120<\/p>\n<\/td>\n<\/tr>\n
Ceilings<\/td>\n	\n 60 to 90<\/p>\n<\/td>\n<\/tr>\n
\n Note: Life expectancy of plaster is altered by the carpentry framing and the type of plaster lath used.<\/em><\/p>\n<\/td>\n<\/tr>\n
\n *Drywall (also called sheetrock)<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n*
Walls<\/td>\n	\n 50 to ?<\/p>\n<\/td>\n<\/tr>\n
Ceilings<\/td>\n	\n 30 to ?<\/p>\n<\/td>\n<\/tr>\n
\n Note: Not enough history to project the life expectancies.<\/em><\/p>\n<\/td>\n<\/tr>\n
\n \u00a0<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n APPLIANCES<\/strong><\/p>\n<\/td>\n	\n YEARS<\/strong><\/p>\n<\/td>\n<\/tr>\n
Refrigerators<\/td>\n	\n 10 to 20<\/p>\n<\/td>\n<\/tr>\n
Dishwashers<\/td>\n	\n 13 to 18<\/p>\n<\/td>\n<\/tr>\n
Gas Ranges<\/td>\n	\n 20 to 35<\/p>\n<\/td>\n<\/tr>\n
Electric Ranges<\/td>\n	\n 15 to 25<\/p>\n<\/td>\n<\/tr>\n
Garbage Disposal<\/td>\n	\n 10 to 15<\/p>\n<\/td>\n<\/tr>\n
Humidifiers (Note: 2 years without maintenance.)<\/td>\n	\n 5 to 20<\/p>\n<\/td>\n<\/tr>\n
Dehumidifiers<\/td>\n	\n 8 to 12<\/p>\n<\/td>\n<\/tr>\n
Washers<\/td>\n	\n 10 to 20<\/p>\n<\/td>\n<\/tr>\n
Dryers<\/td>\n	\n 10 to 20<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n <\/p>\n","protected":false},"excerpt":{"rendered":" HEATING SYSTEMS YEARS Boilers Cast iron 30 to 60 Steel 20 to 35 Heating Exchangers (steel) Gas-fired 15 to 20 Oil-fired 20 to 35 Heat Pump Compressor 14 Heating Pipes Steel 80 to 120 Copper 60 to ? Burners Oil … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/PaOP4i-21","_links":{"self":[{"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/pages\/125"}],"collection":[{"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/comments?post=125"}],"version-history":[{"count":2,"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/pages\/125\/revisions"}],"predecessor-version":[{"id":127,"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/pages\/125\/revisions\/127"}],"wp:attachment":[{"href":"http:\/\/www.mmhomeinspection.com\/wp-json\/wp\/v2\/media?parent=125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}