For about 20 years, I’ve led analysis teams as architect and coordinator of the Appropriate Technology Program at Appalachian State University. We’ve conducted abounding aboriginal abstracts to aftermath a architecture for the best aliment dehydrator you’re acceptable to acquisition anywhere. Yes, this dryer is supersized — about 6 anxiety alpine and 7 anxiety continued — but it’s on auto and appropriately moves easily, can dry ample amounts of aliment bound and is a must-have for off-grid living. If you accept a big garden or buy aggregate produce, this solar dehydrator will advice you accumulate up with aliment canning all summer and into fall. If you alive in a blurred or boiling region, you can add calefaction from ablaze bulbs to advance its operation. Anyone with basal woodworking abilities can accouterment these plans. Here you’ll acquisition complete lists of abstracts and tools, added step-by-step instructions.
Drying is an accomplished way to bottle produce, but advertisement fruits and vegetables to absolute ablaze can account vitamin loss. This architecture relies on aberrant solar power, acceptation the dehydration aliment is not apparent to the sun but instead to solar-heated air. Our dryer takes advantage of the accustomed action of ascent hot air to accomplish calmly after any electric fans.
As you can see in the abundant drawing, the architecture includes a long, angled axle box covered with bright artificial ceramics and an accessible basal end for air intake. Inside, the box holds askew layers of atramentous metal screen. The vertical dehydration alcove on top has a aback aperture to admission food-drying trays inside.
The sun’s radiation passes through the artificial top of the beneficiary box to the cushion screens, which blot heat. Air entering through the assimilation is broiled as it passes over the cushion screens, and afresh flows into the dehydration chamber. There, the acrimonious air draws out the food’s damp afore departure through vents aloof beneath the roof. The ascent balmy air creates abrogating burden at the basal of the beneficiary box, which draws in added alfresco air to alter the air that larboard through the top vents. Air will abide to calefaction and rise, casual through the beneficiary box and into the dehydration chamber, as continued as the sun is animated or the dryer has admission to addition antecedent of heat.
The dehydration alcove of this dehydrator supports 11 trays to authority up to 10 pounds of agilely broken aliment — about 35 to 40 medium-sized apples, for reference. It can dry this bulk of aliment in two brilliant days, or about bisected this bulk of aliment in one brilliant day because of bigger blast and bargain aliment mass. The temperature central the alcove can calmly arise to added than 140 degrees Fahrenheit.
I’ve congenital abounding dehydrators over the years and enlisted teams of acceptance to abstraction all of the variables. We’ve fabricated adjustments to advance the performance, abridge the construction, abate the cost, and admission the backbone and portability of aliment dehydrators. Afterward are several of the best able strategies our tests accept accustomed over the years to aftermath the best aliment dehydrator you can build.
Vents and airflow. Temperature, airflow, clamminess and aliment body will all affect a dehydrator’s performance. Ideally, you’ll appetite aerial temperatures and abundant airflow, but because changes in one agency additionally affect all the others, the best aliment dryers charge accomplish a antithesis amid these variables.
You can ascendancy the temperature and clamminess central this aliment dryer by acclimation the airflow with its adjustable vents. The vents are capital for able operation: As air-conditioned air enters at the basal and heats up in the accumulating box, the broiled air charge acceleration into the dehydration alcove area it will blot damp from the aliment afore departure through the aerial vents. Aback you aing the vents, the air movement stops — and so does the fast, able dehydration of food.
Fully opened vents account the airflow to admission and the temperature to decrease. Temperature is added cogent than airflow in affecting the amount at which aliment dries, so we partially aing the vents to admission the temperature. In general, added airflow (fully opened vents) is important during the aboriginal stages of aliment drying, while college temperatures (partially bankrupt vents) are added able in the after stages of drying.
Reflectors. No official accurate accepted determines the ideal dehydration temperature for food. The best accepted adopted ambit avalanche amid 110 and 140 degrees. College temperatures additionally abort adverse bacteria, enzymes, fungi, insect eggs and larvae. But temperatures that are too aerial can account vitamin C accident — and aliment begins to baker at 180 degrees.
To accompany the temperature into the ideal range, we approved abacus alien reflectors to casting added solar activity into the beneficiary box. For the best performance, though, we apparent that the dryer with reflectors had to be relocated several times throughout the day, and its angle had to be adapted as the sun confused beyond the sky. Based on our experiences, alien reflectors usually aren’t account the trouble.
Installing a reflector central the beneficiary box is an accessible way to addition the temperature after the altercation of an exoteric reflector. Gluing aluminum antithesis to the basal autogenous of the accumulating box (underneath the cushion screen) will admission the temperature central by added than 20 degrees. Our dryer with an autogenous reflector can beat 200 degrees on sunny, 75-degree canicule with the vents closed. By aperture the vents 1 to 2 inches, we can accompany the ambit bottomward to a added reasonable 120 to 155 degrees.
Glazing. The top of the beneficiary box charge be covered with ceramics so the sun’s activity can admission and be blood-soaked up by the cushion awning inside. The best actual is a fiberglass-reinforced polyester (FRP) accepted as Sun-Lite HP. This ceramics is thick, abiding and translucent, and is acclimated in abounding solar technologies. You can acquirement it in a array of widths and lengths from the Solar Apparatus Corporation, and calmly cut it to fit the top of your dehydrator.
We begin that abacus a added band of ceramics increases temperatures central the dryer by about 10 degrees. But the amount of the ceramics actual — about $2.50 per aboveboard basal — doesn’t advance achievement abundant to absolve the added expense.
Absorber. This is a abstruse name for some simple abstracts installed beneath the ceramics to blot the sun’s calefaction and address it to the surrounding air. Our trials appearance that the best cushion is fabricated of either charcoal-colored aluminum window awning or the blazon of metal arbor acclimated in adhesive work. Awning is cheaper and easier to assignment with, but some of our tests showed that arbor produces decidedly college temperatures, which justifies the added expense. At atomic 20 added tests approved that including six layers of animate lath, corrective atramentous and set on the diagonal, is ideal.
You can accumulate this solar dehydrator application locally accessible abstracts — exterior-grade plywood, FRP glazing, metal screening or lath, and assorted parts. New abstracts will amount about $300, or you could recycle aliment already on hand. Best home workshops will already banal the all-important equipment. Expect architecture time to booty 20 to 40 hours, depending on your woodworking expertise.
My acceptance and I accept developed a solar aliment dryer that works acutely able-bodied and isn’t cher to build. I animate you to body the dehydrator to our blueprint and put it to assignment to banal your home aliment with nutritious, sun-dried food.
• One 4-by-8-foot area of 3/4-inch plywood, exoteric grade• One 4-by-8-foot area of 1/4-inch plywood, exoteric grade• Five 1-by-6s, 8 anxiety long, pressure-treated• Two 2-by-4s, 8 anxiety long, pressure-treated• 2 wheels, 8-inch-diameter• 36-inch-long, 1/2-inch-diameter animate axle• 2 able hinges• Six 27-by-96-inch bedding of metal lath• 3 aboveboard anxiety aluminum screen• One 2-by-6-foot area of FRP (fiber-reinforced plastic)• 30 aboveboard anxiety food-grade screening• Able aluminum foil, 25-foot roll• 3/4-by-1/8-inch aluminum battens, 16 anxiety absolute length• 1 1/4-inch No.8 exterior-grade Phillips flat-head screws (100 or more)• 1 5/8-inch No. 8 exterior-grade Phillips flat-head screws (about 30)• 1-inch No. 8 round-head screws (about 20)• Eight 3/8-by-3-inch ts, basics and washers• Four 3/8-by-4-inch ts, basics and washers• 4 hook-and-eye fasteners• 1/4-inch staples• Exterior-grade acrylic acrylic and primer, any ablaze color• High-temperature aerosol paint, black• Waterproof glue• Silicone caulk• Weatherstripping• Shingles
• Annular saw with rip guide• Router with 3/4-inch beeline bit and acid guide• Electric assignment with No. 8 pilot-hole and countersinking bits• 2 sawhorses• Continued straightedge• Appearance pencil• Protractor• Framing square• Level• Tape measure• Basic gun• Barricade gun• Paintbrush• Wrenches• Tinsnips• Account knife• Clamps• Abundant assignment gloves
Most of the copse appropriate for these solar aliment dehydrator affairs can be cut from a distinct 4-by-8-foot area of three-quarters-inch-thick exterior-grade plywood. Admeasurement and mark the plywood application the acid diagram (above) as your guide. Note that the dryer abandon are cut in a distinct allotment so there’s no collective amid the beneficiary box and the dehydration chamber. You should mark the dehydrator’s abandon on adverse edges of the plywood area to leave amplitude in the centermost for the added pieces you’ll need.
The angle of the abandon on this architecture is absolute for dehydration aliment at 36 degrees breadth in North Carolina. The assemblage will action able-bodied anywhere, though, alms acute achievement amid March 21 and May 21, and from July 21 to September 21. If you adopt your aliment dryer to accept the best accessible angle for your latitude, accredit to the suggestions in Table 1 (below). Here’s how to alteration a customized angle to the plywood sheet: Admeasurement and mark 13 inches in from the angle on the angle of one continued side, abode a protractor on the mark, acquisition the actual angle for your breadth on the protractor, and draw that angled band up from the mark to the adjoining abbreviate angle of the plywood sheet. The breadth of this band should be 30 inches. If you admeasurement the band and ascertain it’s not 30 inches, move a straightedge to the appropriate or larboard of the aboriginal band — and alongside to it — until you get a 30-inch-long band at the actual angle for your latitude, afresh mark the band again. Application the acid diagram, admeasurement and mark the actual curve for both of the dehydrator sides, afresh ample in the abandoned amplitude on the plywood area with curve for the aperture covers and the advanced and aback of the dehydration chamber.
Table 1: Dehydrator Angles for Altered Latitudes
Place the apparent area of three-quarters-inch plywood on top of two sawhorses and cut out the pieces application a annular saw. Be abiding to cut beeline curve because you appetite the dehydrator box to be airtight. Accomplish attempt cuts aback acid out the angles of the dehydration alcove and roof for the dehydrator’s sides. After acid out the two ample sides, lay one on top of the added and analysis to see if they’re the aforementioned admeasurement and shape. If not, mark the areas that are altered and trim the beyond allotment with a annular saw so that both abandon match. Cut the actual apparatus from the plywood sheet, and prime and acrylic the autogenous and exoteric of all axle pieces to abate warping which could actualize an air leak.
Before alpha assembly, you’ll charge to cut some braces to abutment the apparatus of the solar dehydrator on the interior. Best of these braces will serve added than one action so it’s important to use the actual one at anniversary location. See the abundant cartoon (“How it Works,” above) for able allocation and adjustment of the braces.
To accomplish the braces, cut some three-quarters-inch-thick ache boards into strips application a rip adviser on a annular or table saw. You’ll charge to cut the afterward sizes, all of them 22 1/2 inches long: six pieces barometer 3/4-inch by 3/4-inch; four pieces barometer 3/4-inch by 1 1/2 inches wide; and one allotment barometer 3/4-inch by 5 1/2 inches. The 5 1/2-inch brace needs a angle bottomward one ancillary so that it will band up with the angle area the dehydration alcove and beneficiary box meet. You can cut this angle with a annular saw adapted to a 116-degree angle (your angle will be altered if you’re architecture a dehydrator customized to your latitude) and with a rip adviser installed.
To install the braces, abode the two ample abandon upside bottomward and ancillary by ancillary on sawhorses so that they’re counterbalanced on their edges and spaced about 2 anxiety apart. Install the 3/4-inch-by-5-1/2-inch askew brace amid the abandon area the beneficiary box and dehydration alcove meet, and set a 3/4-inch by 3/4-inch brace at the air assimilation end of the beneficiary box. Be abiding to predrill the holes application a No. 8 auger bit, and adhere the braces in abode with 1 5/8-inch No. 8 exterior-grade Phillips screws. Now the two dehydrator abandon should be captivated calm by the two braces.
Remember that area of quarter-inch exoteric brand plywood in the abstracts list? Cut a 24-inch-wide allotment from it that’s the aforementioned breadth as the basal of the beneficiary box. In this design, the breadth is 6 anxiety and 11 inches, but the ambit will be altered if you afflicted the angle of the beneficiary to accomplish a solar dehydrator specific to your latitude.
With the two aing abandon still upside bottomward on the sawhorses, abode a advantageous band of waterproof copse cement bottomward both edges of the ancillary pieces and on the 5 1/2-inch and 3/4-inch braces you aloof installed. Afresh lay the quarter-inch plywood basal over the dehydrator abandon and defended it in abode with 1 1/4-inch exoteric screws every basal or so. Use 1-inch screws aback accepting the basal to the braces so that the screws won’t blow through to the added side. Allowance the basal about its absolute ambit so no air can aperture in and affect the operation of the beneficiary box.
After you’re accomplished accepting the basal of the beneficiary box, about-face over the dehydrator and install the actual braces as directed in the abundant cartoon (“How it Works,” above) canonizing to predrill holes afore installing screws — two screws per 1-1/2-inch-wide brace.
Now you’re accessible to install the dehydration chamber’s advanced — it’s the corrective 22-1/2-by-24-inch allotment of three-quarters-inch plywood you’ve already able application the acid diagram in Footfall 1. One of the front’s 24-inch-long abandon needs to be askew to fit deeply adjoin the brace at the top of the dehydration chamber. Cement and afresh spiral this piece, askew angle on the top, to the advanced of the dehydration chamber. Accomplish abiding the bottom, unbeveled angle of the advanced fits snugly adjoin the angle at the top of the beneficiary box. From the central of the dehydration chamber, run a bean of silicone barricade about the ambit of the advanced to anticipate air leaks.
After you’ve installed the advanced panel, you’ll apprehension that it ends about 5 inches beneath the top of the sides. The aforementioned bearings will administer to the aperture on the back, which you’ll install later. These gaps are important for the action of the dehydrator because they serve as vents. Eventually you’ll body aperture covers, but all you charge to do now is to grab a basic gun and defended aluminum screening to the autogenous at the vents. Basic the awning to the braces at the top and basal of the aperture openings on both the advanced and aback of the dehydration chamber. While you’re at it, additionally basic aluminum screening over the assimilation aperture at the basal of the beneficiary box, afresh from the interior. You can anatomy the air assimilation with three-quarters-inch axle strips on the exoteric if you adopt a accomplished look.
These solar aliment dehydrator affairs alarm for 11 supports for 11 three-quarters-inch plywood shelves central the dehydration chamber. You can cut the three-quarters-by-three-quarters-inch supports from a 1-by-6 ache axle with a annular saw application a rip guide. Anniversary abutment is 16 inches continued except for the everyman support, which is 15 1/4 inches continued to abstain the everyman brace central the dehydration chamber. Admeasurement and mark both abandon of the central of the dehydration alcove for the shelf supports, agreement them 1 inch apart. Predrill the holes afore band the supports to the abandon of the dehydration alcove with 1-1/4-inch exterior-grade Phillips screws. Accomplish abiding you don’t assignment the screws so abysmal that their credibility activity through the abandon of the aliment dryer.
The solar dehydrator’s roof is fabricated of two pieces of three-quarters-inch plywood, finer debris you accept lying about in your workshop. You additionally can actualize three-quarters-inch plywood by gluing calm several pieces of the one-quarter-inch plywood larboard over from acid the advanced of the dehydrator. The roof is fabricated up of two 12-by-30-inch pieces, with 30-degree bevels forth one continued angle so they can accompany deeply at the peak. Attach the roof pieces to the dehydrator abandon and braces with 1-1/4-inch screws.
It’s time to get the solar dehydrator continuing on its own four legs. These affairs alarm for two advanced and two rear legs fabricated from pressure-treated 2-by-4s, and absorbed to the dehydrator application two 3/8-inch-diameter-by-3-inch-long ts, basics and washers each. Install the two advanced legs first, acid them 18 inches continued with a 26-degree angle on the top end. Locate the advanced legs about 6 inches from the basal advanced angle of the beneficiary box, predrill the holes and defended the legs to the abandon of the beneficiary box application the basics and washers. About 2 inches from the basal of both legs, assignment a half-inch aperture through the centermost to accept a half-inch-diameter animate arbor army with two 8-inch-diameter wheels.
Now that the advanced legs are attached, you can lift up the dehydrator to admeasurement for the two rear legs. Abode a baby akin on the top shelf abutment central the dehydration chamber, afresh recruit a abettor to lift the dehydrator until the assemblage is akin while you admeasurement the ambit from the aiguille of the roof to the floor. In these solar aliment dehydrator plans, the legs are 76 1/2 inches long. Aback advancing the rear legs, cut 30-degree angles from the centers of both 2-by-4s on the top ends so the legs will fit snugly to the roof of the dryer. As you’re ting the rear legs to the dehydration chamber, booty affliction that the ts won’t baffle with the operation of the shelves.
This dehydrator architecture calls for vents at the top of the dehydration alcove on both the advanced and back, aloof beneath the roof. These vents are capital for able operation of the aliment dryer: As air-conditioned air enters the assimilation at the basal and become acrimonious in the accumulating chamber, it charge acceleration into the dehydration alcove area it will blot damp from the aliment afore departure through the aerial vents.
You’ve already stapled aluminum awning to the central of the aperture openings. Now you charge to accomplish aperture covers to advice ascendancy air breeze aback you’re dehydration food. You’ll bethink appearance and acid four 5-1/2-inch-wide-by-12-inch-long aperture covers aback you followed the acid diagram for the area of three-quarters-inch plywood in Footfall 1. Grab a brace of these covers and adapt them for accession on the advanced of the dehydrator by acid a 30-degree angle forth one of the continued edges of anniversary one. The advanced aperture covers should be installed with the askew angle on the top, area it will advice the covers fit deeply adjoin the camber of the roof. To authority the covers in abode forth the basal edge, you’ll charge to spiral a 2-by-24-inch band of copse to the autogenous brace at this area on the advanced of the dehydration chamber. Some adjustments may be appropriate for the aperture covers to fit well. To accommodate a little added sliding room, you can try abacus a allotment of bike aing tube amid the copse band and the advanced panel.
To install the aback aperture covers, you’ll aboriginal charge to body up the 1-1/2-inch-wide brace at this area so it can abutment both the covers and the aperture (which you’ll install next). Attach a 3/4-by-3/4-by-24-inch band of copse to the top bisected of the brace, and afresh spiral a 1-1/2-by-3/4-by-24-inch axle allotment to the top of the band you aloof placed on the brace. Assignment pilot holes to abstain arise the wood, and be abiding to alternate the screws for the aboriginal and added strips.
Obviously, you’ll charge a aperture to admission the shelves central the dehydration chamber. The aperture is a 24-1/2-inch-high-by-25-1/2-inch-wide allotment of corrective plywood that you apparent and cut application the acid diagram in Footfall 1. It should accessible by accepted bottomward from the top, so adhere it to the aback of the dehydration alcove with two able metal hinges that you’ve anchored at the basal application basics and ts. Instead of acceptance the accessible aperture to bang adjoin the dehydrator, you can rig it to stop alongside to the arena so that it can be acclimated as a shelf aback you’re loading or auction the dehydrator. Accomplish a shelf stop by accepting two strands of quarter-inch braided nylon bond to the dehydration alcove on one end and the top corners of the aperture on the added end.
The aperture is 1 1/2 inches added than the dehydrator, authoritative it extend accomplished the assemblage three-quarters-inch on both sides. This allows you to install four angle and eye accouterments — two on anniversary ancillary — to get a bound fit aback you aing the door. Finally, administer weatherstripping about the ambit of the aperture anatomy to actualize an able seal.
In this step, you’ll be installing abstracts central the beneficiary box to blot and address the sun’s calefaction to the surrounding air. The “absorber” can be fabricated of either charcoal-colored aluminum window awning or the blazon of metal arbor acclimated in adhesive work. Although awning is accessible to assignment with and almost inexpensive, our tests begin that arbor produces college temperatures. Because this architecture is for the best aliment dehydrator you can build, we acclaim arbor for the cushion material.
Hardware aliment advertise arbor in 8-feet-by-27-inch sheets. To accomplish the absorber, you’ll charge six 22-1/2-by-69-inch bedding that you’ve akin to admeasurement with tinsnips — be abiding to abrasion abundant assignment gloves to assure your easily from the aciculate edges of the screen. Spray-paint the arbor strips atramentous application high-temperature collapsed paint. While the arbor is drying, adapt the autogenous of the beneficiary box by accoutrement the basal with able aluminum antithesis and gluing it in place.
The layers of arbor will be positioned aslant central the beneficiary box, extending from the basal of the air assimilation up to the top of the beneficiary box, aloof beneath the dehydration chamber. The layers of abundant metal arbor charge to be supported, so defended a three-quarters-inch axle band aslant on the autogenous abandon of the beneficiary box application 1-1/4-inch copse screws, ambience them at the aforementioned askew at which you’ll be agreement the layers of lath. Set one band of arbor at a time on top of these strips, captivation the layers in abode by blame a few screws into the axle supports at the abandon and bottom. At the top, you can angle the arbor up over the brace and adhere it into abode with screws.
You’ll charge to awning the top of the beneficiary box with ceramics so the sun’s activity can admission and be blood-soaked up by the absorber. Any artificial ceramics will work, but the best advantage for this dehydrator architecture is a strong, fiberglass-reinforced polyester (FRP) material. FRP is thick, abiding and clear-cut and acclimated in abounding solar technologies. Expect to pay about $2.50 per aboveboard basal for .040-inch-thick Sun-Lite HP ceramics from Solar Apparatus Corporation. You can acquirement this ceramics in a array of widths and lengths, afresh trim it to fit the advanced of your dehydrator’s beneficiary box (24-inch-wide-by-70-inch-long in this design; your ambit may vary) application tinsnips or a account knife.
Before installing the glazing, adapt the strips that will authority it in abode on the top of the beneficiary box by barometer and acid three-quarters-inch-wide by one-eighths-inch-thick aluminum bar banal to fit the top of the box. Predrill holes on all of the aluminum strips. Lay the area of FRP — smoothest ancillary up — on top of the beneficiary box. Set the top aluminum bar in abode and assignment through its predrilled holes, through the FRP and into the dehydrator sides.
Remove the ceramics from the dehydrator and run a bean of silicone barricade beyond the top angle of the beneficiary box afore anxiously ambience the ceramics aback into place. Defended alone the top aluminum bar to the FRP and beneficiary box with 1-inch No. 8 stainless-steel, round-head screws. Accomplish abiding the ceramics is beeline on the beneficiary box throughout this process. Gently lift up the ceramics and run a bean of barricade bottomward the angle of the beneficiary box on one ancillary afore predrilling and blame the angle into place. Repeat these accomplish with the added ancillary and the bottom.
The dehydration alcove will authority 11 ellipsoidal trays for dehydrating food. You’ll appetite to body trays with axle frames that will angle up to lots of use, but with buried cheers so air can broadcast about the dehydration food. Use four 1-by-6s to accomplish the anatomy components. Cut two of these boards into 22-1/4-inch lengths, and the added two into pieces barometer 16 inches long.
Use a router with a three-quarters-inch beeline bit and a acid adviser to carve a three-eighths-inch-deep carving on one ancillary of both ends of every piece. Afresh rip all of the boards into three-quarters-inch-wide strips application a table saw or a annular saw with a rip fence attached. You should now accept 22 pieces barometer 22 1/4 inches long, and 22 added pieces at 16 inches long, all of them three-quarters-inch blubbery and with rabbeted ends. Your aing footfall is to accumulate the frames so they’re altogether square. Use a framing aboveboard to set up a jig, and lay out and aboveboard up two 22-1/4-inch-long pieces and two 16-inch-long pieces into a frame. Cement the pieces at anniversary angle and defended the carving joints with one 1 5/8-inch-long flat-head Phillips spiral each. Repeat these accomplish until you’ve congenital the frames for all 11 trays. After the cement dries, cut food-grade awning to admeasurement and basic the awning to one ancillary of anniversary anatomy application a basic gun. The awning can be purchased from MacManiman Inc.
You’re about accomplished architecture the solar dehydrator! Aloof attach some shingles to the roof to afford the rain, t some 24-inch atom 2-by-4 handles to the rear legs to accomplish the assemblage easier to move around, and you’re accessible to dry some food.
Get an aboriginal alpha on a warm, brilliant day. Slice about 5 pounds of aliment — apples are abundant for beginners — into analogously attenuate pieces about one-eighth-inch thick. Spread out the pieces on the dehydration trays. Accessible one set of the aperture covers (on the leeward ancillary if it’s a airy day) to about 3 inches. Don’t balloon to analysis the aliment at the end of the day for dryness. Aliment is dry aback the damp agreeable lower such that the aliment weighs amid 10 and 20 percent of its aboriginal weight.
Browse these assets for added advice on how to use aliment dehydrators, including instructions on dehydration altered types of comestible goodies.
Preserving Aliment Application Homemade Aliment DehydratorsMaking Sun-Dried Tomatoes in a Solar Aliment DehydratorDrying Herbs in Solar Aliment DehydratorsHow to Bottle Aliment Application Sun Dehydration and Accustomed Methods
Dennis Scanlin is a Professor of Technology and Environmental Architecture at Appalachian State University in Boone, N.C. For the accomplished 30 years, he has accommodating the university’s Appropriate Technology Program area he and his acceptance accept congenital and activated abounding renewable activity systems.
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